Wednesday, July 8, 2009
China's power industry development and analysis
Electronic power supply, including power and chemical physics, this article introduces the electronic power supply. E-Power is a utility power grid or to transform and control electrical energy to various electric power load of the power supply to provide quality equipment, and AC - AC conversion, DC-DC conversion, AC-DC conversion, DC-AC conversion. E-power scope to see how great is that different industry, this is not discussed in this article focuses on small and medium-sized power supply equipment. In order to facilitate the description, hereinafter referred to as power. Due to the extensive application of power products, power market statistics more difficult. Some foreign countries use the power device output power production projections. Sales in China's power device products, as well as a considerable part of power imports from abroad, but also a lot of sales channels, so the domestic market, the statistical power is even more difficult, the information provided in this article is for reference only.
China's power industry history
The size of China's power industry can be divided into three laptop battery stages of development, according to statistics of the original electronics industry data and information, you can sketch out the broad outline of the development.
The first stage is 1976, is China's power industry in the early stages of development.
The liberation of the past, China's power industry is basically a blank, only the battery, dry battery of small businesses. The 50's with the construction of a large number of state-owned enterprises, with the electronics industry of raw materials, components and machine industries, power supply products from scratch. Plant in 1959 there are five specifications of a school production of more than 1600 Taiwan Power. To 1976, after 17 years of development, has grown to 26 plants, 34 species, 52 specifications, power more than 33,000 Taiwan. Production growth of 8.7 times, 10.4 times the growth of different specifications, 20.2-fold increase in production. The first stage from scratch, although the relatively high growth, power or small-scale industries.
The second stage is the 1977-1989 year, the Chinese power industry during the initial expansion.
This stage is the initial stage of China's reform and opening up, step by step to speed up economic construction, power industry and gradually entered a period of rapid growth. Power production in 1989 has grown to 171, more than 340 kinds product specifications, annual output of more than 540,000 Taiwan power. The number of manufacturing enterprises increased 6.6 times in 1976, Variety 10-fold increase, 16.4 percent of output growth.
At this stage, step-by-step with the power industry developed rapidly, the majority of scientists and technicians of much-needed power to break the closed state of the original to understand the outside world. Since the mid-70s, power organizations of their own scientific and technological personnel and technological exchanges, in 1978 the country held its first exchange of power technology, was established in 1983 Power Institute of China, in 1986 received the approval of the State Science Commission.
The third stage is so far in 1990, is China's largest power industry development.
This stage, with the exception of the original electronic systems industry, other industries and systems, such as machinery, post and telecommunications, railway, electric power, military power supply systems are the development and production, in particular, town and township enterprises and a large number of private enterprises, there are thousands of almost all over the country, there has been a group of over a hundred million yuan, or over 10 billion power company. In the past 10 years, and a large number of foreign products and domestic companies to enter and occupy a considerable share of market competition intensified pb991a battery, hp business notebook nc4200 battery. This part of the situation, followed by a detailed analysis.
Above the scale of China's power industry development, supply technology can be broadly divided into the following phases.
50's is the power of creation and imitation whole period, mainly the Soviet Union like the tube DC power, AC power and the magnetic saturation like the United States, like Europe to enlarge the electronic or magnetic AC regulated power supply, and the progressive realization of the domestic production. Power during this period the volume of large, multi-energy, low efficiency, the technological level equivalent to the international 30-50 age level.
With the thyristor, transistor technology and product development, tube DC power, AC power magnetic saturation is gradually phased out, thyristor power supply, power transistors, magnetic enlarge AC power supply has been the rapid development of power markets accounted for dominance. Such as the 1976 Taiwan produced more than 33,000 power supply, DC power tube, only two specifications of more than 800 units, respectively, accounted for DC power supply 4.1% of varieties, specifications of the 5.6% yield of 4%.
Full control power devices promote the emergence of great power technology development. GTO will enable megawatt-class inverters simplify power supply design can be used to replace the need to force the thyristor converter, the power is still widely used. The emergence of power MOSFET, constitute a high-frequency power electronics technology, switching frequency up to more than 100kHZ and parallel high current output. IGBT is a MOS input, the output of the composite bipolar type power device, the working frequency and GTR considerable, and its high-voltage fixed.
With the emergence of new power devices, pulse-width modulation (PWM) circuit, a wide range of zero-voltage zero-current transformation circuit topology has been widely used. Power products of more small-scale, integrated, intelligent, efficient and reliable .
China's Power Industry Development
This section analysis of the past 10 years China's power industry. Decades, both the power supply technology, the size or industry, have developed to an unprecedented stage, become a community's concern about the industry.
First, the Chinese power industry the driving force
Power is the electricity power plant equipment is based on the electronics industry products. Economic construction and social development of all aspects of life will be to promote the development of power industry, in particular the following areas is an important role in promoting.
1, the development of information industry
China's information industry over the past decade to three times the rate of other industries developed rapidly, "Ninth Five-Year Plan" period, China's investment in the electronics industry over the past five years rose from 2.2% to 5.4%, with a total investment reached 429.3 billion yuan, than in the past five years, an increase of nearly 12 times the power has therefore become a powerful driving force for industrial development.
Mobile communications over the past few years become the hot spots, for example, ten years :1987-1997 development of 10 million, a year in 1998 on the development of 10 million, in 1999 the development of nearly 20 million, an increase of 100 %. Direct the development of the computer industry led the computer switching power supply and the development and application of UPS; the telecommunications industry led to the development of communication and related high-frequency switching power supplies power the development of communication only with high-frequency switching power supply for more than 3.0 billion annually, 1999, only matching the power of mobile communication on the 1.5 billion. In recent years the great development of various information networks, such as the Internet, communication networks, broadcasting networks, financial information network, and even the railways, civil aviation ticketing network has also developed, to be known as the Internet age. The normal operation of a variety of network, there must be a reliable power system for the protection. If at 11 o'clock on April 24 , 1997, Hong Kong's largest banks HSBC and Hang Seng UPS equipment due to malfunction, leading to the central computer hp business notebook nc4400 battery, hp business notebook tc4200 battery, hp business notebook tc4400 battery system halted, the two banks more than 800 automatic teller machines down for two hours, the two banks of telephone banking Services to be suspended, the two banks could not operate the computer counter. Network economic development, further promote the development of power markets.
2, the transformation of traditional industries
After more than 20 years of the national economy's rapid development, many traditional industries to transform the system, replacement, a large number of advanced electronic technologies and equipment to be used, not only the quality of power supply a higher demand, but also the miniaturization of power products, intelligent, efficient and reliable, unattended and so on, supporting some of the old power products do not meet the requirements, and gradually be eliminated. For example: state investment in recent years, several hundred billion dollars to the transformation of power grids, some of the old power to operate the thyristor power supply to the new switches have been gradually replaced by power; full speed railway to electrification, the state also voted heavily for the transformation of the railway system, railway communications, signal systems to support a large number of power products; communications systems supporting the original phased power, gradually being replaced by high-frequency switching power supply, in recent years, the number of annual updates of several hundred million dollars.
3, energy
With the economic development and progress of science and technology, energy conservation, environmental protection has been valued by the community. Power is an important part of energy conservation, through power electronics and power technology to deal with after the supply of electricity, energy-saving effect. For example, household appliances standby loss, people often do not attach importance to, the power consumption is appalling. According to US statistics, such a loss in the United States 35-54 billion dollars a year, the German environmental protection agency in Germany, this loss of 2.3 billion US dollars each year, more than the sum of electricity throughout the year in Berlin. The introduction of a new energy-saving chips, you can put the 5-10W standby loss down to 1-2W, or even 0.1-0.5W. Is a small electronic ballast products, not only a lot of units in the Mainland of China research, Hong Kong, Taiwan, and even some foreign institutions in research, because of its broad range of applications, once a good product, you have a lot of energy effects and economic benefits. Frequency is widely used in recent years has developed very rapidly inverter air conditioner, inverter air conditioner can not only create a comfortable living environment, saving up to 30%. Saving electricity, reducing non-renewable primary energy (such as coal, oil) consumption, and reduction of air pollution. Miniaturization of power products can also save a lot of copper, iron and other raw materials. Therefore, the power electronics and power technology development is an important national symbol of technological progress. Some experts have predicted: the well-being will be the future of mankind through the energy of electronic technology to achieve a breakthrough.
Second, the size of China's power industry
1, the extent of China's power market
(1), switching power supply
Switching Power Supply is the largest applications in the communications industry, first of all, analysis of communication power.
The cause of the rapid development of communications over the past decade, communications power is also simultaneously increased. Domestic communication power in 1991 amounted to 080 million yuan investment by 1995 to 10 billion in 1998 to 30 billion, in 1999 the capacity of the National Communication Power Supply Market for more than 3.5 billion. From 1991 to 1999, growth in communications 43 times more power.
Domestic communication power of the main customer base are: China Telecom, Mobile, China Unicom, Radio, Film and Television, the network (including the electricity network, railway networks, military networks, net oil, etc.). After several years of program -controlled switch market has stabilized after the development of mobile communications has become a development hot spot. Mobile in 1999 about 2 million new users, the new mobile base stations about 20,000, matching the power of about 1.5 billion; fixed phased power transformation in 1998 , 1999,2000 in the peak year in 1999, the capacity of some 6 - 800 million yuan; new exchange network supporting transmission power of about 5-7 million; the rapid rise of China Unicom in 1999 added capacity of about 4 million new mobile base stations 4, 1000, matching the power of about 3-5 billion. Besides radio and television, as well as the newly established Network of Netcom also occupied the communication power of a certain share of the investment market. Is expected in 2000 with the communication power supply market is basically similar to 1999, mobile base station supporting the market will become the focus of power.
Throughout the switching power supply market in China how much? First of all, analysis of situation in the United States, the United States in 2001 is expected to AC-DC switching power supply 4.86 billion US dollars, DC-DC switching power supply 1.4 billion US dollars, a total of 6.26 billion US dollars, of which communications switching power supply a total of 2.198 billion US dollars, accounting for switching power supply 35% of the total. The application of China's telecommunications switching power supply of 3.5 billion yuan more than the cause of China's early stage of development communication, communication, power supply switching power supply in the proportion of the total may be larger than the United States a1078 battery, a1148 battery, apple powerbook g415 inch battery, it is estimated that 50 percent according to the country over the total amount of switching power supply 7000000000 or more, which does not include a variety of electrical products and power electronic devices inside.
(2) uninterruptible power supply (UPS)
China's UPS market is much, There are different theories. Ministry of Information Industry of Computer and Microelectronics Industry Development Research Center (CCID) and Statistics of the UPS market in 1999 was 1.68 billion yuan. According to China Electronics News reported in 1998, 1996, sales of UPS 41 million units, 26 billion yuan in 1997 sales of 620,000 units, sales of more than three billion yuan in 1998, sales of UPS about 90 million units, sales of approximately 3.5 billion. If the 1.68 billion yuan, the number is too small. UPS a lot of sales channels, there are only dozens of foreign brands may be incomplete statistics. If more than 3.5 billion, according to inadequate. It is estimated that 20-25 billion is possible.
According to CCID 1999 sales of 1.68 billion yuan UPS statistics, UPS market (sales) regional distribution is: 20.34% in North China, East China 24.25%, 18.05% in southern China, southwest of 11.96%, 10.02% in central China, 8.62 percent in Northeast, Northwest 6.76%; by sector are: 34.05% financial, telecommunications, 29.45 percent, 6.25 percent Government, Post and Telecommunications 5.82%, 4.28% family, tax 3.50%, education 2.36%, other 14.29%.
(3) Other Power Supply
Described above, only switching power supply and UPS, there are many types of power, such as variable frequency power supply, power supply electrolytic plating, welding power induction heating power supply, rechargeable power supply, neon power supply and lighting, aerospace and military power and so on. These supply a large variety of widely distributed, there is no accurate statistical data, analysis and forecasting can be.
To sum up, only the switching power supply and the UPS market size of about 100 billion yuan, together with other power supply, according to conservative estimates, the market size of e-power to have more than 15 billion yuan. Power industry is another big field of chemical physics power, 100 National larger battery manufacturers to statistics, about 10 billion yuan output value. According to China's Power Industry Association of Chemical Physics, the national battery manufacturers around 2000, the National Power of Chemical Physics, about 15 billion yuan . Electronic power supply and chemical physics together, about 300 billion yuan annually, which is China's power market.
2, the number of China's power enterprises
The number of power companies in China? Everyone said do not know. Published last year, "Encyclopedia of Chinese power enterprises," the national power production and sales record of more than 5,000 companies, it is difficult to say whether or not accurate. Power Institute of China in recent months built up a list of some companies, this directory include: members of the Institution of the Chinese power units, the last two years to participate in the exhibition of the power units, the most recent year published in the newspaper advertisements of the units are more accurate, there are more than 1,100, including electronic power production, sale and major parts. It is estimated that more than 1,100 enterprises that the National e-power ratio of the total number of enterprises less than 50%, meaning that the national production of electronic power supply and the main parts sales have more than 2000. Sponsored by the China Power Supply Society or editor-in-chief of "Power Technology" and "world power" two publications, and accessories for the whole power of the circulation enterprises are more than 3000. According to China's Power Industry Association of Chemical Physics, the National Power of Chemical Physics, 2000 enterprises have around. If we say that China's power enterprises, or more than 5,000 well-founded. China's power enterprises are mainly distributed in three regions, first, the Pearl River Delta, primarily in Shenzhen, Dongguan, Guangzhou, Zhuhai, Foshan and other places. Second, the Yangtze River Delta, mainly in Shanghai a1175 battery, apple macbook pro15 battery, Jiangsu, Zhejiang, Hangzhou and Wenzhou area. Third, Beijing and surrounding areas. Wuhan, Xi'an, Chengdu and other places also have a certain distribution.
New type of polymer lithium-ion battery successfully developed
With independent intellectual property rights of a new type of polymer lithium-ion battery R & D success of a few days ago and will soon be put into the production process of industrialization. This unique battery technology is from 4 years ago returning from overseas, led by its researchers Following the liquid plastic film lithium-ion power toshiba batteries made after the outcome of an important. At present, the polymer lithium-ion battery production lines are under construction.
It is understood that the liquid lithium-ion battery is the most high-tech research in recent years one of the important results, representing the current development of the chemical power of the most advanced level. As a result of such batteries with high specific energy and recycling, the good life, such as a significant advantage, now widely used in mobile communications, cameras, laptops and other electronic devices, and is gradually moving towards electric bicycles, electric vehicles and other areas to expand the scope of application. It is estimated that the global lithium-ion battery demand has reached 1.3 billion, and with the applications and the ever-expanding year by year.
In liquid lithium-ion battery at the same time the successful commercialization of polymer lithium-ion battery (PLIB) research has been particular concern to them. As a new generation of lithium-ion battery system, PLIB not only with liquid lithium-ion battery all the technical advantages, but also has a higher specific energy and better safety performance. In addition, PLIB is recognized as the most development potential and future application of the battery market products. It is predicted that in the next few years, PLIB will replace the liquid lithium-ion batteries for nearly 50% market share, there are broad prospects for the development of Japan and many other major battery makers focus on R & D investment and the direction of.
The past, both at home and abroad polymer lithium-ion battery manufacturers use the United States Bell Laboratories Bellcore process. However, due to the cumbersome process of the method, low efficiency, investment in equipment and the shortcomings of higher cost of production, serious constraints of polymer lithium-ion battery development and industrialization. Domestic and foreign markets in recent years in the so-called polymer lithium-ion battery products, but in fact is a flexible liquid batteries, there are still a large number of internal dynamic electrolyte flow, do not have the characteristics of polymer electrolyte, in the security risk there. With lithium-ion battery in the communications and IT industry's rapid surge in usage, the battery safety performance is increasingly prominent, not only the requirements of lithium-ion battery has excellent electrical properties, also called for greater security.
CITIC Beijing UNITA solid profits and new material technology, Beijing Institute of New Energy Materials and Technology Laboratory, through years of research, in a large number of laboratory work on the basis of a number of key materials through an integrated technology, the first synthesis of a unique structure microporous polymer composite membrane, and then use a unique production process of polymer batteries developed a polymer lithium-ion battery. The battery has a very excellent low-temperature discharge performance and cycle performance (over 500). With the same battery capacity compared to liquid packaging, such polymer lithium-ion rechargeable battery and acupuncture in the past, such as safety testing, in particular, a unique performance advantages. Importantly, by researchers and development of new polymer lithium-ion battery production technology, also has a small investment in equipment and production technology is simple and so on. The results with independent intellectual property rights, there is no doubt China will enhance battery manufacturing sector in the international competitiveness and promote domestic polymer lithium-ion toshiba satellite a75 battery, toshiba satellite p30 battery, toshiba satellite p35 battery industry and greatly expand the lithium-ion battery applications.
Another patent "flowers" off of other family
Maryland Science and Technology staff to develop a scientific and technological achievements, once again bear fruit in the field cassette battery electric bus", shortly before the bus in the east Yangtze River Limited (passenger car factory in Wuhan utility) line. Maryland to create a car company to use the six patented technologies, including four patents, utility models 2, authorizing them to open up a company's patent production. Yesterday, China's first "cassette battery electric bus" back to Lanzhou.
There are more than 30 years of master file Shao said that this new type of electric bus has zero pollution, hydraulic steering, power brakes and other braking characteristics. It is not subject to restrictions on road and rail network, interference, the maximum hourly rate of 80 kilometers.
Created by the Maryland Science and Technology Co., Ltd developed the "cassette battery electric bus", with independent intellectual property rights. The project has entered the Olympic Games in 2008 major projects of Science and Technology Beijing, Beijing Miyun electric vehicles involved in manufacturing engineering. Operation of the national model city for electric vehicles - Shandong Weihai to buy the first two, and then prepared a large number of orders.
The world's first "power refrigeration can" come out of the refrigerator
"Shortage" outbreak, the refrigerator refrigeration still fresh? Case of expensive peak electricity hours, refrigerators can automatically identify and automatically shutdown, the period of low prices can automatically boot refrigeration?
A few days ago, Kelon announced the successful development of the world's first have a "time-sharing of power, power preservation" function of the refrigerator hp pavilion dv8000 battery, 395789-001 battery, hstnn-db20 battery. This refrigerator a sudden power failure for up to 20 hours, the still fresh refrigeration; Moreover, its "time-sharing of power" function, to avoid the high price of electricity in peak hours of refrigeration, auto - to achieve "peak power." It is learned that the "time-sharing of power, power preservation" is the world's first refrigerator technology has been applied to KELON latest "All-Star" series of refrigerators, this refrigerator will be before the end of April across the country listed at the same time.
Strange things: power also refrigerant
Shi KELON what magic, so the refrigerator can continue after the cooling off?
It is understood that the power of the secret is fresh original KELON storage, release cold technology. Power preservation technology is the increase in refrigerator storage compartment separate and unique design of cold-Release Road, installed power of about 1W DC only micro-fans, is equipped with a small sealed maintenance-free battery, when the normal supply of electricity storage device a large number of cold storage, after power-off battery-powered fans, regenerator slowly blowing the cold box to the food, and thus also after the power outage "cooling." It is understood that the ordinary refrigerator after a sudden power failure, the storage room temperature can rise very rapidly; in the no-load conditions, the temperature in the freezer two hours after the -7 ℃ rise to more than two and a half hours in the refrigerator after rose to above 12 ℃, thus the loss of preservation of the capacity of vulnerable food box metamorphism. In recent years, frequent shortage of Jiangsu, Zhejiang and other places, consumers due to power outage caused numerous complaints of food deterioration.
In contrast, preservation of the refrigerator in the power blackout after the storage chamber temperature rise very slowly. In the no-load conditions, 20 hours after the power failure, the freezer temperature can be maintained at below -7 ℃, holding time is a common refrigerator for more than 10 times. If the refrigerator full of food, 15 hours after the power can be maintained at below 12 ℃, holding time of an ordinary refrigerator, about 10 times the capacity of the basic preservation from the impact of power outages.
Laptop battery standard
"Standard of national sovereignty," Energy Technology Co., Ltd. Suzhou Fuyuan laptop battery, general manager of the surprising remarks, "the standard for Chinese enterprises to win the initiative to improve the competitive edge, to promote the industrial chain of China's upstream and downstream enterprises in the new round of international division of labor in a deeper degree of participation in international competition. and operable to provide an effective evaluation methods and standards to protect the interests of manufacturers and consumers acer battery and dell battery. "
A Chinese power portable mobile computer is brewing industry standard, the standard is intended to break the industrial monopoly of transnational corporations, to help more Chinese enterprises to participate in international division of labor and the degree of collaboration. This is April 8, from the National Information Technology Standardization Technical Committee and Suzhou Fuyuan Technology Energy Limited as a unit organized to launch the mobile power supply system (batteries) From the standard of information seminars.
Experts said that the next three years, the world's portable computers will maintain a growth rate of more than 10%. Domestic usher in the next five years, the peak consumption. Their growth will remain above 30%, indicating that the mobile power laptop computers the same huge room for growth. Unfortunately, for such a question of the vital interests of consumers, relating to the development of national energy mobile power supply system (batteries) are still gaps in the relevant standards, with the result that the consumer complaints. There is no relevant basis for the detection, greatly against the interests of consumers; while the development of national industry undue losses, limiting the country's energy industries. Markets look forward to the relevant standard of emergency as soon as possible.
Analysis of the experts, there is no current laptop mobile power products, technical standards, lack of portable power products for mobile computer technology indicators and were therefore introduced the mobile power supply system (batteries) standards, is the sustained development of China's information industry must, consumer protection is also an urgent need.
A long time. Mobile power for portable computer's core technology focuses on Japan, the United States, such as the hands of transnational corporations. Suzhou Fuyuan Technology Co., Ltd. is a small number of energy has been in total control of laptop computers for mobile power management and control of core technology with independent intellectual property rights of businesses. The company hopes to set up a laptop mobile power system (battery) Standard Working Group, by virtue of the company has accumulated many years of technology and strong R & D investment and advanced technology level of production, with domestic companies to work together to contribute to standards promulgated as soon as possible to ensure that China's relevant manufacturers and the legitimate rights and interests of consumers. To break the industrial monopoly of foreign enterprises to improve batcl50l battery, acer travelmate 290 battery China's enterprises in the industry's competitiveness.
It is understood that the standard will make it possible to introduce the end of this year. At the meeting, the Lenovo Group, Founder Technology, Tsinghua Tongfang, Tsinghua Unisplendour, Amoi Electronics, digital, etc. Topstar participants that domestic manufacturers. The standard as soon as possible to promote the development of domestic manufacturers to break the monopoly of foreign enterprises of great significance.
Abroad, the development of fuel cells
End of the 20th century the international community has created a wave of fuel cell development. Fuel cell electric vehicles like cars experiment has proven to proton exchange membrane fuel cell (PEMFC) as a driving force of the electric vehicle performance fully comparable with the internal combustion engine vehicle. When pure hydrogen for fuel, it can achieve true "zero" emissions.
In addition to governments for money to support this study, the world's major auto groups and oil companies invest huge sums of money to carry out various forms of cooperation to develop the technology, putting in a lot of manpower and material resources to carry out hydrogen fuel cell research. The focus of their competition is in the dell latitude d410 battery early 21st century will be fuel cell-powered electric vehicles to market.
United States of America
In the United States, to Department of Energy, headed by, and vigorously promote the development and use of fuel cells, from 1992 to 2001, funding from the U.S. Department of Energy on the 700 million U.S. dollars of fund for fuel cell research and development, most recently the U.S. Department of Energy also announced the al of 13.8 million U.S. dollars to help the United States General Motors Corporation, to research and development and its application in polymer fuel cell vehicle applications. The United States, GM, Ford and Chrysler Corporation in the United States Department of Energy's strong support of the full study of proton exchange membrane fuel cell vehicles, and have implemented their own experimental car. According to preliminary forecasts, to about 2004-2006, fuel cell vehicles to market would be. In the 2000 Sydney Olympics, General Motors introduced the use of liquid hydrogen as fuel, "moving on the 1st of hydrogen" fuel cell vehicle as a sports ground car work. By the U.S. Environmental Protection Agency and Daimler - Chrysler Corporation, the U.S. postal service company co-developed the first joint hydrogen fuel cell vehicles have been put into use in the field testing phase, which is powered fuel cell vehicle the first time in the United States National driving the field the road run.
Canada
In research and development of PEMFC technology, the current leader of the Balad company is funded through the Government of Canada and developed in this area is still the highest in the world. Ballard 1993, the company has created the world's first to a PEMFC-powered city buses, the power of 125 horsepower, 20 passenger. Sold the car to Los Angeles airport, is still running. In February 1995, by the Government of Canada with the United States, California South Coast Air Quality Management Office and other units to develop 4.4 million U.S. dollars joint venture of Ballard PEMFC second car delivery vehicles, the power of 275 horsepower, 75 passenger.
Germany
In March 1993, Mercedes-Benz 34 million U.S. dollars investment in the development of PEMFC vehicle. In March 1995, the European section of the Mercedes-Benz vans a 50kWPEMFC road already running tests. The car can reach 110 kilometers per hour, a fuel supplement may be traveling 250 kilometers, the car can take 6 people without significant congestion. Mercedes-Benz in March 1999 the company demonstrated the
Necar-4 type PEMFC electric vehicles, which use liquid hydrogen as fuel, a hydrogen charging up to 450 kilometers mileage. At present, Mercedes-Benz has developed Necar-4 type NEBUS great cars and buses. Steam reforming of methanol
NECAR5 forthcoming debut. April 7, 2000 Mercedes-Benz news outlets, the company will produce two to three years in 30 urban bus PEMFC.
BMW recently launched a natural gas-based fuel cell vehicles, driving a car overtaking a smooth maximum of up to 177 kilometers per hour.
Japan
During the period from 1981 to 1990, the Japanese government on the establishment of a "Moonlight project." At present, a new fuel cell projects - the "New Sunshine Project" in progress.
In October 1996, Toyota Motor Corporation announced that they have successfully developed a new type of PEMFC vehicle. Car power 20kW, the maximum speed of greater than 100 km / h, hydrogen charging a traveling 250 km. At present, the company has produced the jeeps and cars PEMFC. Since 1980 pa3383u-1brs battery, toshiba satellite a70 battery, Japan began to promote the use of fuel cell power generation unit. At present, the world's largest generator of a fuel cell by Japan's Toshiba Corporation in November 1991 in manufacturing. Its installed capacity has reached 11MW. And intends to use fuel cells in 2010 production of 2.2 million kWh of electricity.
International Trade and Industry in the province of the Japanese government's funding and the efforts of the major car companies, the Japanese development of ambitious research and development, display and promotion of fuel cell vehicles in Japan of the plan --- hydrogen and fuel cells program display. To participate in the program's main units are Toyota Motor Corporation, Honda Motor Company, such as 14, from the beginning of the 2001-2002 Motor Company has developed five fuel cell vehicles on the road to real vehicle test run, and has established a number of hydrogen refueling station . Economy, Trade and Industry of Japan's development objective is that by 2010 fuel cell vehicle to the price of gasoline engine down to the level of general and to government agencies from the beginning of the first fuel cell vehicle popularization.
Sustain high growth solar industry
It is understood that the top executives of solar laptop battery energy companies are worried that the global shortage of polysilicon raw materials, solar energy industry may not be able to continue to stabilize over the past few years growth.
Polysilicon is the main raw material for solar cells acer battery. The world's largest solar cell manufacturer Sharp Corporation of Japan, head of solar systems on Wednesday, warned that Takashi Tomita: soaring prices of silicon materials show that the suppliers can not meet demand. He shortage of polysilicon raw materials are very concerned about: the shortage will lead to price increases, and prices will eventually result in solar market stagnation. Solar markets around the world now account for 1% of the energy market, with an estimated value of about seven billion U.S. dollars annually. According to the European Renewable Energy Council study, solar energy industry in 2030 will account for the global energy market, 8%. Big country in solar energy in Japan and Germany, the government paid a large number of grants for research does not produce carbon dioxide, clean energy - solar energy, solar energy industry in this rapid development of the two countries. Solar-grade silicon from the unit price in 2000 of nine U.S. dollars a kilogram up to 60 U.S. dollars this month, while the solar energy industry since 1997 has maintained a 30% - 40% of the annual growth rate. Growth appears to have high-speed braking. Silicon is the Earth's surface constitute the largest element, but the purification to meet the demand for high-tech form of technology such as the high cost of polysilicon.
Before and after 2000, because of the high-tech bubble burst, a never-ending consumption of semiconductor manufacturers of polysilicon to the solar cell company stock with the prices of raw materials. But now, high-tech electronics industry tend to the healthy development of solar energy industry to be more abundant and capital-chip manufacturers compete for supply, because the silicon chip is far less than the silicon solar cell, the chip will be able to more easily bear the this expenditure. On the other hand, polysilicon manufacturers are developing low-cost solar-grade silicon products, it does not need to reach the purity of semiconductor silicon. However, these alternatives also need a few years of production time.
Silicon solar cells occupy 80% of the cost, so the short term, the manufacturing costs of solar energy industry also can not substantially reduced.
PHS booth solar charger (Figure)
Yesterday, the public telephone from Beijing Netcom Management that Netcom did not in the city where the laying of communication cables installed as07b72 battery, acer aspire5520 battery, acer aspire5520g battery in a telephone booth PHS 200, PHS signal used to provide public service. These characteristics of a telephone booth is recharged using solar panels, solar panels on top of a telephone booth.
According to Netcom, the Ministry of Public Management, then introduced Mr. Yuan Zheng, most of these booth to start using battery-powered, the use of less than two days during the height of a battery to be replaced. To this end, the CNC manufacturers contact with a telephone booth, telephone booth in these step by step to install solar panels for battery charging . At present, solar telephone booth to replace the battery once a week to save costs.
Orange also when the energy
Florida citrus is one of the world-famous town is also the largest U.S. producer of citrus, orange peel waste only have nearly 800 tons per year, most used for cattle feed. However, the company Ener1 Tangeretin puzzling as to the energy, extracted by distillation of methanol processing.
The company is investing 1.1 million U.S. dollars for the development of this project, from orange peel extract hydrogen-rich gas into a fuel cell in the energy, stored in cylinders in for the modernization of the station to suspend the use of the interstate. Non-profit program of the Florida Hydrogen Ener1 has given the company's 550,000 U.S. dollars financial support to help them in the next year to complete the project. The aim is to give millions of drivers to be an example to show that orange peel extract from the waste the potential of hydrogen energy.
Florida already has several such hydrogen energy project. In February this year, Bush and Ford Motor Company agreed to the state became the first to use hydrogen energy in the state of the bus station. So far, Ener1 has produced one kilowatts and 150 kilowatts of fuel cell samples, they hope to be able to produce 18 months out of the station to suspend the use of 10 kilowatts to the fuel cell.
UNION (Union) batteries colloid volume exported overseas
China and South Korea by the concerted efforts of both scientific and technological personnel, the introduction of the German Colloid digestive cell technology based on research and development through the past three years, the successful launch in 2004, licensing colloidal UNION sealed lead-acid acer aspire5920 battery, acer aspire5920g battery. UNION licensing 12V gel battery, including series, 6V and 2V Series Series a total of three categories. 6V series 6V180AH and colloidal 8V180AH batteries used golf carts for domestic first with the safety, environmental protection, maintenance-free (no added water), long cycle life characteristics of a traditional rich fluid replacement battery products by the European U.S. users, the export volume has begun to UK / Spain and other countries. 12V series JMX121000 (12V100AH) gel batteries, the use of long-lived, deep-cycle resistant design, high and low temperature-resistant properties, and is ideal for solar photovoltaic power systems and outdoor battery backup power, the battery models in Australia has been a well-known solar photovoltaic power system approved by the manufacturer, started in 2005 Australia exported.
Battery as a result of the use of colloidal colloidal unique technology, more traditional style of the rich liquid medium depleted battery and modern AGM-type battery, it has a longer life cycle of good performance, high and low temperature-resistant properties, and highlight the advantages of higher reliability, will be widely used in a variety of highly reliable power back-up areas, such as solar photovoltaic power systems, power systems, communication systems, it is important to data center, aviation and the safety of the MTR system, unmanned station and outdoor such as standby power.
Bright prospects for hydrogen-cell vehicles
"Very quiet, definitely not the traditional internal combustion engine can do laptop battery. Accelerate quickly, have been driving electric golf carts would have similar feelings." MSNBC reporter meters of the (MiguelLlanos) trying to drive one Honda FCX hydrogen cell vehicles, the true description of my feelings.
Really driving the hydrogen cell vehicles have been a handful of people dell battery, for many people, this new car is also overshadowed by the energy of color magic. M the said, and his expected different, Honda did not detail his training. "Drivers and simple steps, and the general is no different from the car."
Then driving a car from Los Angeles to San Diego FCX. There are 160 kilometers along the way, his car almost before the arrival of the activities of the energy station on the run out of fuel. But also in the uphill time because the power is insufficient, resulting in a minor traffic jam. But he was proud of the fact that two of the drivers passing through on his marked "hydrogen battery-powered" in the car the thumbs up. From the beginning of the first hydrogen energy station
ChevronTexaco Technology Investment Limited ( "CTTV") this year on February 18 showing its construction in the United States, California's first hydrogen energy station. Hydrogen Energy Station is located in the California agricultural Kai (Chino) Industrial Park in the city, is the U.S. Department of Energy "to control the development of hydrogen energy, hydrogen energy technology to display and validate" part of the project, which is scheduled for 5 years, funded by the U.S. Department of Energy and assessments of the energy companies, CTTV joint force is to take the lead in this company, Hyundai Motor Company and UTC battery energy companies have also participated. These companies hope to gain from this project technologies and experiences in order to facilitate future development.
4 months, our reporter went to here, and follow-up interview with a market research expert CTTV Dona Miss Liu (DonnaS.Lau).
The energy station is small, is a only, surrounded by an open architecture, very modern design. The most eye-catching sleek device is automatically hydrogenation four machines, but only two can be used to add hydrogen. Different from ordinary gas station, the air is not filled with petrol smell the ground, not greasy, very clean. "No Fireworks" signs on the prescribed places.
For car users now, most of them seem familiar with the equipment. Miss Liu conversation with reporters that the energy station can give 3-5 hydrogenation hydrogen cell car demonstration, fill a car every time about 3-5 minutes. At present, the energy station can not be made available to the public use, a number of modern production of second-generation hydrogen cell car demonstration of this energy station is the only customer.
Natural gas is the energy source of the energy station. CTTV automatic use of heat re-engineering the company's patented technology, the energy station to hydrocarbon is converted to hydrogen. After compression, filtering, re-compression and storage, hydrogen cell vehicles lost. The energy station from ethanol (alcohol) in the production of hydrogen. In future, the energy station will also be displaying produce hydrogen through water electrolysis technology.
At present, the energy station can be stored in cabinets in the compression of about 100 kilograms of hydrogen, enough for five hydrogen cell vehicles to fill hydrogen. In addition to the battery as the importation of hydrogen, hydrogen can be used as the internal combustion engine has been modified to use the energy directly.
The future, CTTV elsewhere in California, Oakland and other places such as the y9943 battery, dell inspiron 630m battery establishment of five hydrogen energy stations. Hydrogen Energy: The "water" to replace oil
Hydrogen is a clean, abundant energy reserves. Water, natural gas and some organic compounds in the hydrogen can be extracted. Hydrogen is what we know about energy / weight ratio of the maximum effective energy. To produce one kilogram of hydrogen is equivalent to 1 gallon (about 3.78 liters) of energy emitted by gasoline. Today, the United States industrial production of hydrogen can be produced by the supply of 20 million ~ 30 million cars, or five million to eight million users.
As a vehicle of energy, hydrogen has a very significant advantages: it produces water vapor after combustion can be used as safe as gasoline and can be from a variety of other resources extracted in various ways. Extraction methods currently used in high temperature decomposition of natural gas, or water electrolysis. Hydrogen car has not been the advent of the era
As early as 2000, several studies of hydrogen cell vehicles of large companies such as Daimler, (DaimlerChrysler) and BMW think they will be able to start mass production in 2004 of hydrogen cell vehicles. However, due to inadequate infrastructure, lack of hydrogen energy station, currently the main types of environmentally friendly cars or two cars petrol power, hydrogen cell vehicles in the United States, the figure only a few roads.
U.S. National Hydrogen Energy Association (NationalHydrogenAssociation) Technical Director of PatrickSerfass said, "hydrogen cell vehicles are very optimistic about the prospects, but we are still in the research and experimental stage."
According to MSNBC reports, many motor vehicle dealers are not in the next 10 years of hydrogen cell vehicles to the mass market.
According to a Los Angeles company of hydrogen cell vehicles (HydrogenCarCompany) Sales Director of the Buddha Agathocleous Lietz (LloysFrates) the information provided within a year they only sold the high cost of two hydrogen cell vehicles. The current reference price is a battery-powered hydrogen ShelbyCobras price 150,000 U.S. dollars; only the Hummer jeep converted into a hydrogen battery-powered, it is necessary to cost 60,000 U.S. dollars (except the price of the jeep itself). The high cost of the hydrogen cell, hydrogen fuel and energy costs have affected the popularity of stations to the spread of the hydrogen cell vehicles.
In addition, cost-effective hydrogen-cell vehicles and the burning of gasoline is far from the car mentioned in the same breath. California manufacturers (Anuvu) claimed that they can immediately sell Nissan Frontier truck (Pick-up), but this car as soon as more than 45 miles per hour (about 72 kilometers), the hydrogen battery for power supply can not keep up with consumption , we can only open on the highway for short periods of time.
Sales Director House predicted that if the can produce 100,000 battery-powered home hydrogen truck dell inspiron 640m battery(pickup), the price of each vehicle can be reduced to from 20,000 to 25,000 U.S. dollars or so. Tin Kona United States (Ticona) in the K2004 exhibition demonstrated a cost-effective fuel cell vehicle modules, called PEM fuel cells using the company's brand Vectra liquid crystal polymer (LCP) and Fortron brand Polyphenylene Sulfide (PPS) engineering plastics are made. Introduction LyndonCole president said in the fuel cell bipolar plate by 85% of graphite and 15% of the liquid crystal polymers, the end of the parallel-plate made of the use of PPS.
Tin Kona with a new company set up by German companies Pemeas cooperation, the use of its polystyrene benzyl imidazole (PBI) membrane materials that can be 120 ~ 220 ℃ in the work of the fuel cell. As the first practical fuel cell was designed 40 years ago, used in practice has proved the most viable PEM fuel cell membrane material is the launch of DuPont Teflon (Teflon), which is used in the polymerization coating materials. Fluoride membrane in conditions of high humidity can be stable, while the PBI membrane humidifier without any process, it eliminates the need of complex water treatment processes. PBI membrane in the use of hydrogen gas into the environment more resistant to carbon dioxide pollution, the resulting gas purification process can be more simple and therefore the possibility of the use of PBI divide divide more economical than the fluoride reliable.
South passed the development of new standard test battery
Yesterday was informed that the opto-electronics, Nankai University borne by the State "973" project --- "low-cost, long-life photovoltaic cells based on new research" has been the subject of international and national standards for testing, approved for 20 (film) 400 square centimeters of non - the efficiency of crystalline silicon cells are more than 8%, the highest efficiency reached 9.1%, to reach the international advanced level of similar cells, the highest in the country.
Noritake direct methanol fuel cell performance of the highest in the world
10 Noritake Japan announced that is developing in the "organic-inorganic hybrid electrolyte membrane" of the direct methanol fuel cell (DMFC) performance to reach the highest level in the world. Relevant details will be October 8 ~ 13, which opened in Yokohama, Japan "International Federation of Materials Research," published.
Up to now, Noritake has been engaged in the direct use of liquid methanol fuel in DMFC electrolyte membrane development, rather than gas reforming device. DMFC with the fuel due to no modification, and can work at low temperatures, etc., is easy to implement small-scale design, portable power supply in the area of popular concern about the development.
Methanol and oxygen in the practical state closer to the supply of non-pressurized conditions, Noritake 160mW/cm2 the products have been the high power density, performance is about 1.5 times the original. Is able to achieve such a high performance, according to the company's analysis, the main reason lies in the use of organic and inorganic hybrid electrolyte materials production technology, greatly reducing the methanol through the electrolyte membrane of the "infiltration of methanol (Methanol Cross-over)" phenomenon, and to improve the shape of the electrolyte membrane stability. Moreover, it is said above, even in mixed electrolyte membrane 1000 hours after the endurance test will not be aging.
On the use of such organic-inorganic hybrid electrolyte membrane fuel cells, while Wu's goal is to put into use in 2005. Preliminary plan for electric tricycle, electric wheelchair, camping grounds and motor vehicles, such as market power. Put into use at the time of annual sales target of ¥ 100,000,000 (about 6.25 million yuan).
Speed up the promotion of fuel cells on the development of energy-saving "out of oil" strategy
According to the Japanese NHK television reported, in view of rising crude oil dell inspiron e1405 battery, dell xps m140 battery prices, the Japanese government held a meeting on the 15th to discuss the development of "out of oil" strategy.
Japanese Prime Minister Junichiro Koizumi at the meeting directed the departments to develop "out of oil," a new long-term strategy, through the use of new technologies such as fuel cells to reduce dependence on oil. It is reported that Japan intends to formulate a new strategy including the promotion of the introduction of fuel cell and other new energy technologies, and further speed up the business, family and other energy-saving steps. In 2030 the Japanese government intends to bring "oil dependence", that is, the total energy consumption of oil increased from about 50% now down to 40%.
Taiwan investment in TEDA Microelectronics great battery cell
Great battery from Taiwan Microelectronics Industrial Park in Tianjin Development Zone of Tianjin invested Chase Smart Battery Development Co., Ltd. held the foundation laying ceremony of a few days ago. The company focuses on production and operation of high-performance sealed VRLA batteries, such as high-tech products.
It is understood that a total of Tianjin plans to Chase microelectronics industrial land 42,000 square meters, the first phase of 20,000 square meters of land, five million U.S. dollars investment, 100 million yuan annual output value is expected.
Nankai University, "973" project the efficiency of photovoltaic cells new nation's first
Photoelectron by Nankai University Geng Xinhua, Zhao Ying national team commitments, "973" project - "low-cost, long-life photovoltaic cells based on new research" has been the subject of international and national standards for testing, approved for 20 (film) 400cm2 amorphous silicon cell efficiency of more than 8 percent, the highest efficiency reached 9.1%, to reach the international advanced level of similar cells, the highest in the country.
In view of the existence of amorphous silicon cells with lower efficiency, poor stability, higher costs, thus affecting the promotion of the application of large-scale problems, group members focused on thin film silicon photovoltaic cells to improve the efficiency and repeatability, to improve stability and life, the development of practical, low-cost manufacturing technology for the industrialization of service efforts and made significant progress and breakthroughs. Development of the aging of the battery through the international standard IEC1646 (85 ℃ temperature and 85% humidity for 2000 hours, -40 ℃ 40 hours) testing, battery performance has not degraded, and some have even been improved.
The research team not only developed a highly efficient battery, but also developed a combination of the three current international high-speed low-cost deposition technologies, world-class performance of radiation-based multi-purpose high vacuum thin film deposition systems, and automated preparation of highly efficient microcrystalline silicon cells and amorphous silicon / microcrystalline silicon tandem cell process automation software, and applied for a patent. VHF-PECVD system uses high-speed preparation of cell deposition, small area of high-quality amorphous silicon deposition rate of more than 50A / s. Device-level access to the quality of the new characterization of microcrystalline silicon materials and process parameters and their relations based on the conditions, 0.253cm2 single-junction pin type microcrystalline silicon cell efficiency of 8.3%, amorphous silicon / microcrystalline silicon tandem cell efficiency of 10.2% 100cm2 integrated amorphous silicon / microcrystalline silicon tandem cell efficiency of 9.7%, are up to international advanced level.
At the same time relying on thin film silicon photovoltaic cells Nankai University and Tianjin technology to companies such as investment cooperation, "Tianjin Battery Technology Co., Ltd. to" set up to begin the process of the battery industry, jointly set up dell latitude d420 battery, dell latitude d430 battery production line 5MW Amorphous and formally put into operation a good prospect. 6MW two flexible assembly line production of amorphous silicon cells are the building of three 30MW amorphous silicon cell production line has begun demonstration projects.
Progress in engineering cells
Progress in engineering cells
Tin Kona United States (Ticona) in the K2004 NP-20 exhibition demonstrated a cost-effective fuel cell vehicle modules laptop battery, called PEM fuel cells using the company's brand Vectra liquid crystal polymer (LCP) and Fortron brand acer battery Polyphenylene Sulfide (PPS) engineering plastics are made. Introduction LyndonCole president said in the fuel cell bipolar plate by 85% of graphite and 15% of the liquid crystal polymers, the end of the parallel-plate made of the use of PPS.
Tin Kona with a new company set up by German companies Pemeas cooperation, the use of its polystyrene benzyl imidazole (PBI) membrane materials that can be 120 ~ 220 ℃ in the work of the fuel cell. As the first practical fuel cell was designed 40 years ago, used in practice has proved the most viable PEM fuel cell membrane material is the launch of DuPont Teflon (Teflon), which is used in the polymerization coating materials. Fluoride membrane in conditions of high humidity can be stable, while the PBI membrane humidifier without any process, it eliminates the need of complex water treatment processes. PBI membrane in the use of hydrogen gas into the environment more resistant to carbon dioxide pollution, the resulting gas purification VGP-BPS9 B , VGP-BPS9 S process can be more simple and therefore the possibility of the use of PBI divide divide more economical than the fluoride reliable.
South passed the development of new standard test battery
Yesterday was informed that the opto-electronics, Nankai University borne by the State "973" project --- "low-cost, long-life photovoltaic cells based on new research" has been the subject of international and national standards for testing, approved for 20 (film) 400 square centimeters of non - the efficiency of VGP-BPS2A , VGP-BPS10 crystalline silicon cells are more than 8%, the highest efficiency reached 9.1%, to reach the international advanced level of similar cells, the highest in the country.
Noritake direct methanol fuel cell performance of the highest in the world
10 Noritake Japan announced that is developing in the "organic-inorganic hybrid electrolyte membrane" of the direct methanol fuel cell (DMFC) performance to reach the highest level in the world. Relevant details will be October 8 ~ 13, which opened in Yokohama, Japan "International Federation of Materials Research," published.
Up to now, Noritake has been engaged in the direct use of liquid methanol fuel in DMFC electrolyte membrane development, rather than gas reforming device. DMFC with the fuel due to no modification, and can work at low temperatures, etc., is easy to implement small-scale design, portable power supply Sony vgp bps2c , VGP-BPS8 in the area of popular concern about the development.
Methanol and oxygen in the practical state closer to the supply of non-pressurized conditions, Noritake 160mW/cm2 the products have been the high power density, performance is about 1.5 times the original. Is able to achieve such a high performance, according to the company's analysis, the main reason lies in the use of organic and inorganic hybrid electrolyte materials production technology, greatly reducing the methanol through the electrolyte membrane of the "infiltration of methanol (Methanol Cross-over)" phenomenon, and to improve the shape of the electrolyte membrane stability. Moreover, it is said above, even in mixed electrolyte membrane 1000 hours after the endurance test will not be aging.
On the use of such organic-inorganic hybrid electrolyte membrane fuel cells, while Wu's goal is to put into use in 2005. Preliminary plan for electric tricycle, electric wheelchair, camping grounds and motor vehicles, such as market power. Put into use at the time of annual sales target Sony VGP-BPS9 Battery , vgp bps2c of ¥ 100,000,000 (about 6.25 million yuan).
Speed up the promotion of fuel cells on the btp-aqj1 battery, btp-arj1 battery, acer aspire5540 battery development of energy-saving "out of oil" strategy
According to the Japanese NHK television reported, in view of rising crude oil prices, the Japanese government held a meeting on the 15th to discuss the development of "out of oil" strategy.
Japanese Prime Minister Junichiro Koizumi at the meeting directed the departments to develop "out of oil," a new long-term strategy, through the use of new technologies such as fuel cells to reduce dependence on oil. It is reported that Japan intends to formulate a new strategy including the promotion of the introduction of fuel cell and other new energy technologies, and further speed up the business, family and other energy-saving steps. In 2030 the Japanese government intends to bring "oil dependence", that is, the total energy Sony VGP-BPS8 Battery consumption of oil increased from about 50% now down to 40%.
Taiwan investment in TEDA Microelectronics great battery cell
Great battery from Taiwan Microelectronics Industrial Park in Tianjin Development Zone of Tianjin invested Chase Smart Battery Development Co., Ltd. held the foundation laying ceremony of a few days ago. The company focuses on production and operation of high-performance sealed VRLA batteries, such as high-tech products.
It is understood that a total of Tianjin plans to Chase microelectronics industrial land 42,000 square meters, the first phase of 20,000 square meters of land, five million U.S. dollars investment, 100 million yuan annual output value is expected.
Nankai University, "973" project the efficiency of photovoltaic cells new nation's first
Photoelectron by Nankai University Geng Xinhua, Zhao Ying national team commitments Sony vgp bps2c battery , sony battery VGP-BPS2A, "973" project - "low-cost, long-life photovoltaic cells based on new research" has been the subject of international and national standards for testing, approved for 20 (film) 400cm2 amorphous silicon cell efficiency of more than 8 percent, the highest efficiency reached 9.1%, to reach the international advanced level of similar cells, the highest in the country.
In view of the existence of amorphous silicon cells with lower acer aspire5550 battery efficiency, poor stability, higher costs, thus affecting the promotion of the application of large-scale problems, group members focused on thin film silicon photovoltaic cells to improve the efficiency and repeatability, to improve stability and life, the development of practical, low-cost manufacturing technology for the industrialization of service efforts and made significant progress and breakthroughs. Development of the aging of the battery through the international standard IEC1646 (85 ℃ temperature and 85% humidity for 2000 hours, -40 ℃ 40 hours) testing, battery performance has not degraded, and some have even been improved.
The research team not only developed a highly efficient battery, but also developed a combination of the three current international high-speed low-cost deposition technologies, world-class performance of radiation-based multi-purpose high vacuum thin film deposition systems, and automated preparation of highly VGP-BPS9, Sony VGP-BPS8 efficient microcrystalline silicon cells and amorphous silicon / microcrystalline silicon tandem cell process automation software, and applied for a patent. VHF-PECVD system uses high-speed preparation of cell deposition, small area of high-quality amorphous silicon deposition rate of more than 50A / s. Device-level access to the quality of the new characterization of microcrystalline silicon materials and process parameters and their relations based on the conditions, 0.253cm2 single-junction pin type microcrystalline silicon cell efficiency of 8.3%, amorphous silicon / microcrystalline silicon tandem cell efficiency of 10.2% 100cm2 integrated amorphous silicon / microcrystalline silicon tandem cell efficiency of 9.7%, are up to international advanced level.
At the same time relying on thin film silicon photovoltaic cells Nankai University and Tianjin technology to companies such as investment cooperation, "Tianjin Battery Technology Co., Ltd. to" set up to begin the process of the battery industry, jointly set up battery production line 5MW Amorphous and formally put into operation a good prospect. 6MW two flexible assembly line production of amorphous silicon cells are the building of three 30MW amorphous silicon cell production line has begun demonstration sony vgp bps9 , VGP-AC19V13 , Sony VGP-BPS2A projects.
Solid oxide fuel cell
Recently, Professor Barnett at Northwestern University developed a new solid oxide fuel cell. The laptop battery for the use of iso-octane fuel energy conversion efficiency is expected to reach 50%. Usually energy conversion efficiency of internal combustion engines does not exceed 15%, the existing hydrogen fuel cell efficiency is 29%, the latest hybrid vehicles efficiency of 32 percent, however, the advent of the cell effectively improving the energy conversion toshiba battery rate.
Professor Barnett, the existing disadvantages of hydrogen fuel cells is that the need for a large number of new hydrogen purification plant will extract hydrocarbons from the hydrogen, if hydrogen fuel cell vehicles needs to be applied to many new "hydrogen refueling station . " Hydrogen purification, transport and storage are in need of special technology, the application has greatly increased the cost. On the contrary, the use of iso-octane new solid oxide fuel cell, which is equivalent to the hydrogen purification plants, "compressed" in a small device, and iso-octane are straight-chain hydrocarbons, and gasoline are very similar, no new infrastructure, so the prospect of fuel cells.
The new fuel cell, after more testing, can be widely used in automobiles, aircraft, and even many families.
China's pressure proton exchange membrane fuel cell research was a breakthrough
Recently, the Chinese Academy of Sciences core component in the fuel cell membrane electrode study of three-in-one manufacturing technology to make new breakthroughs.
To address the high-pressure fuel engine running on air compressor power consumption due to large, difficult and complex control systems, pressure decided to develop proton exchange membrane fuel cell engine.
After more than three months of research, the project technical performance of the same company with the United States Al Gore, a single cell maximum power density of 0.52W/CM2, working in 700MA/CM2 voltage of 0.64V, reached the international advanced level. Three-in-one membrane electrode manufacturing technology breakthrough innovations will further enhance China's overall level of fuel cells.
New type of photovoltaic cells made a significant breakthrough
Photoelectron from the toshiba satellite l25 battery, toshiba satellite prol10 battery Nankai University Geng Xinhua, Zhao Ying group of countries to assume ""---" 973 low-cost projects, long-life photovoltaic cells based on new research" project has international and national standards through testing, approved for 20 (film ) 400 square meters of amorphous silicon cell efficiency of more than 8 percent, the maximum efficiency of 9.1% reached the international advanced level of similar cells, the highest in the country.
Photoelectron from the Nankai University Geng Xinhua, Zhao Ying group of countries to assume ""---" 973 low-cost projects, long-life photovoltaic cells based on new research" project has international and national standards through testing, approved for 20 (film ) 400 square meters of amorphous silicon cell efficiency of more than 8 percent, the maximum efficiency of 9.1% reached the international advanced level of similar cells, the highest in the country.
Pure battery buses bulk carriers in Beijing
Beijing Science and Technology Commission, said recently. Beijing the first batch of 34 pure battery buses: array in operation, the 34 electric buses in Beijing were produced, with a length of 8m ~ 10m, the maximum speed of up to 80km / h, continued driving mileage 1 50km ~ 200km . Although the cost of electric buses than regular buses, but bus fares as currently, there is no plan to raise prices.
It is reported that the forthcoming operation of electric buses to battery-powered, low power use of night-time charge, no emissions, no noise, are completely non-polluting bus type. Beijing Science and Technology Commission, the person also said that by 2008, Beijing will reach thousands of electric vehicles bus.
EBL cell phone technology more longevity at lower power consumption make LCD
Intel has always been all mobile computers in order to continue to make R & D batteries, the battery can look forward to working more than 10 hours, of which there is a low-power LCD products EBL, is near completion and will pitch in the IDF show Intel the LG-Philips used its EBL technology, the power consumption of the LCD Panel only 2.47W, than the average LCD to 8W less about three-quarters, and in 2005 is expected to be the first quarter volume of 4 products on the market, toshiba satellite prol20 battery, toshiba tecra l2 battery life for mobile computers into a major step-by-step.
