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Core Tip: solar cell conversion efficiency of the latest world record how much? 42.3%. Compaq Presario 1200 Battery, Compaq Presario 1800 Battery, 116314-001, Compaq Presario 700 Battery, Compaq Presario 900 Battery,This is the October 6, 2010, the U.S. Spire Semiconductor has announced the latest results. The company developed three-junction gallium arsenide (GaAs) solar cells reached a peak efficiency of 42.3%, Compaq Presario 900 Battery, equivalent to 406 solar concentrator conditions. It is reported that this platform has the battery can be put into commercial use. In general, the photoelectric conversion efficiency of solar cells ...

Conversion efficiency of solar cells is a world-record number?
42.3%. This is the October 6, 2010, the U.S. Spire Semiconductor has announced the latest results. The company developed three-junction gallium arsenide (GaAs) solar cells reached a peak efficiency of 42.3%, equivalent to 406 solar concentrator conditions.

It is reported that this platform has the battery can be put into commercial use.

In general, the conversion efficiency of solar cells is only 20% to 30%. Prior to this, the world record is a wholly owned subsidiary of Boeing Spectrolab production in August 2009 out of a test battery, the conversion rate of 41.6%.

November 22, 2010, the birth of another new record. Spectrolab announced that its latest development of terrestrial solar cell C3MJ + has started volume production, the series of the average photoelectric conversion efficiency of solar cells up to 39.2%, which is currently in mass production of solar cells conversion efficiency the highest.

Multi-junction solar cells are often used in concentrating photovoltaic (CPV) applications. In 2010, a breakthrough not only multi-junction solar cells, solar energy technology development in all aspects of access to a lot of progress.

Make solar cells capture more sunlight

Improve the conversion efficiency of solar cells is the eternal subject of scientists. Currently, Compaq Presario 700 Battery, researchers are working hard to improve the efficiency of organic thin-film battery chemistry.

Such as Japan, Akita University research team developed the UV into visible light, visible light was transparent state of the organic material. Not designed to make effective use of the current solar ultraviolet radiation can be used for photoelectric conversion, in order to improve the conversion efficiency.

It is reported that the coating material in non-crystalline Si thin film solar cells, the conversion efficiency than the original value increased by 9%, with 20% in the conversion efficiency of solar cells, and is expected to achieve 22% efficiency.

From 2010 there are many attempts to improve efficiency on the structure.

Such as Japan, Kyocera advanced methods used to form high-quality microcrystalline silicon, amorphous silicon layer and the overlay layer of microcrystalline silicon thin-film silicon tandem solar cell structure to achieve 13.8% conversion efficiency.

A number of U.S. scientists conducted by increasing the absorption capacity of the surface of an attempt to improve cell efficiency.

Standard flat battery problem is, whether it is made of organic or inorganic materials,Compaq Presario 1200 Battery, Compaq Presario 1800 Battery, 116314-001, Compaq Presario 700 Battery, Compaq Presario 900 Battery, some sunlight is lost through reflection. To reduce this loss, the battery manufacturer coated anti-reflective coating to the battery, or etching the surface of the battery to increase the photon absorption.

U.S. professor of physics at Wake Forest University DavidCarroll constitute battery through the polymer matrix on the basis of the vertical optical fiber with a layer of light capture device. This layer of coarse fiber, like the stubble on the surface as prominent. The sun from any angle into the fiber to the top, bouncing photons inside the fiber until they are around the absorption of organic cells. It was found that roughly half of the fiber optic sunlight absorption, in theory, efficiency can exceed 15%. Compaq Presario 1800 Battery,This makes organic photovoltaic technology to compete with silicon cells.

Professor Zhong-Lin Wang of Georgia Institute of Technology also are experimenting with a similar fiber-based organic batteries. His lab has developed a fiber containing the fiber and attached to the outside wall of a mixture of zinc oxide nanowires batteries. Although not successful, Zhong-Lin Wang is expected that this approach can improve the efficiency of 6 times.

Chevalier International Technology Management

Core Tip: Richard Chevalier International Technology Co., Ltd. (hereinafter referred to as Li Chevalier International) was founded in 1999, is specialized in LEOCH (Li Shi) card full range of valve regulated lead-acid battery research, development, manufacture and marketing of new technology enterprises in the international . ...


Li Chevalier International Technology Co., Ltd. (hereinafter referred to as Li Chevalier International) was founded in 1999, is specialized in LEOCH (Li Shi) card full range of valve regulated lead-acid battery research, development, manufacture and marketing of international new technology enterprises. After years of careful management, the rationale for Chevalier International has become a professional valve regulated sealed lead acid battery manufacturer and the excellent lead-acid battery, China's largest exporter, has been established in China in Shenzhen, Dongguan, Jiangsu Province, Zhaoqing, Anhui five production base, China covers an area of nearly 50 million square meters, with 46 battery production lines and their corresponding testing equipment, and Zhaoqing, Jiangsu, two specialized battery laboratory, and established a post-doctoral mobile stations, which together constitute the company advanced solid R & D and manufacturing capabilities. At present, a total of 7,000 employees, more than 300 R & D staff, mainly produce various types of AGM VRLA batteries, gel (GEL) VRLA batteries, OPzV, OPzS, PzS, PzV, PzB tube plate-type lead-acid batteries, automotive batteries, motorcycle batteries, golf cart batteries, lead-acid batteries for electric bikes and other products. Widely used in telecommunications, electricity, broadcasting, rail, solar, UPS, electric vehicles, cars, motorcycles, golf carts, forklifts, emergency lights and so on several related industries,Compaq Presario 1200 Battery, the total annual production capacity of more than 500 million kVA.
Future R & D team and high quality manufacturing standards for companies with international competitiveness and global influence. Companies in the U.S., set up sales companies in Europe, with more than 30 domestic and international sales companies and offices, and its products are sold in more than 100 countries and regions, and a number of outstanding domestic and foreign operators to establish a good partnership.

In practice, the international management who continue to blaze new trails, Compaq Presario 1200 Battery, Compaq Presario 1800 Battery, 116314-001, Compaq Presario 700 Battery, Compaq Presario 900 Battery,and strive to forge ahead. In quality control, establishment of professional quality management center. Successfully passed the ISO9001, TS16949 quality system certification, ISO14001, OHSAS180001 certification; product quality inspection unit by the state as a "national product quality inspection" certificate, and promote lean production in the factory management to improve the international competitiveness of products. Enterprises in China took the lead IEC certification by the British, and also won the German VdS certification, Theil certification, CE certification, UL certification, certification certification PCT Russia. Leading battery companies and foreign companies in a number of technical cooperation, the introduction of foreign advanced equipment and instruments, has 39 patents, manufacturing capacity has reached international advanced level. Well-known universities with ongoing technical exchanges and cooperation to establish research base, improve the capability of independent innovation for the enterprise would become a global, competitive, leading battery manufacturer, has laid a solid foundation.

3. Electrolyte:

Domestic battery manufacturers supporting electrolyte has been basically achieved domestically. Main raw materials for the electrolyte of lithium hexafluorophosphate, accounting for about 50% of the cost of the electrolyte, its production cost is 10 yuan / ton, priced at 40 yuan / ton, gross margin as high as 75%, however, the market power basically Kanto chemical industry, SUTERAKEMIFA,Toshiba PA3383U-1BAS Battery, Toshiba PA3384U-1BAS Battery, Toshiba PA3285U-1BAS Battery, Toshiba PA3191U-1BAS Battery, Toshiba PA3166U-1BAS Battery, Morita chemistry, several Japanese companies a monopoly. Therefore, the urgent need to solve the most critical lithium electrolyte lithium hexafluorophosphate electrolyte composition (LiPF6) large-scale production problems. Only the key technology breakthroughs,Toshiba PA3166U-1BAS Battery, China's vehicle power lithium battery industry chain to close to perfect.

Now the world market supply and demand balance electrolyte lithium battery, lithium battery electrolyte requirements on a high, but the amount was very small. Such as a mobile phone battery with only 3 grams, the proportion is small, the electrolyte for the production of 2,000 tons of 600 million cell phone batteries. Car battery can not be the same, a car is necessary to 40 kg. Once the emergence of electric vehicles, will bring explosive growth in the electrolyte.

Domestic enterprises engaged in the production of lithium battery electrolyte are Juhua, Shanshangufen, Huarong Chemical, Zhuhai race Wei Electronics, Tianjin Taurus, Shantou golden light, such as Guangzhou, heaven-sent more than 10. Among them, the Huarong Chemical Co., Zhuhai race Wei electronic positioning high-end market, other companies can only do low-end market.

Juhua (600160): At present, few businesses can produce lithium hexafluorophosphate, in this one Juhuagufen walk in the forefront of domestic enterprises, have a comprehensive fluorine chemical industrial chain, advanced technology and rich fluoride fluoride chemical raw materials. Production of raw materials of lithium hexafluorophosphate anhydrous hydrogen fluoride, will be the development of a leader, is of Jiangsu Guotai, Shanshangufen electrolyte lithium battery manufacturers and other upstream industry,Toshiba PA3191U-1BAS Battery, the outlook is very wide, it is worth focusing on.

4. Diaphragm:

Li Sheng-mao believe that with the gradual promotion of new energy vehicles, the future demand of power lithium battery materials would be detonated. Department of lithium material diaphragm highest technical barriers to a high value-added materials, usually over 70% gross profit margin, accounting for 20-30% of the cost of lithium batteries. In accordance with the terms, a car can be used from 1000 to 2000 square meters of membrane. Divide the market is currently a serious shortage of supply, most dependent on imports, the market dominated by Japanese Asahi Chemical Industry, Tonen Chemical, and the United States Celgard control. Membrane with a typical "high-tech, high-capital" characteristics, and the project cycle is very long, risky investment, the investment enthusiasm of domestic enterprises is not high. Currently, the domestic energy production and membrane only star-source technology, Jinhui Tech two technologies are relatively mature.

Fosugufen (000973): In 2006, BYD Fosugufen jointly funded with $ 2,810,000, set up a photoelectric materials, Foshan City, Jinhui High-Tech Co., Ltd., which Fosugufen 55% of the shares. It is this company, and BYD will Fosugufen conceptual link up. Currently, the domestic annual demand is about 130 million square meters, and Jinhui 1200 the company made more than one million square meters. Nevertheless,Toshiba PA3383U-1BAS Battery, Toshiba PA3384U-1BAS Battery, Toshiba PA3285U-1BAS Battery, Toshiba PA3191U-1BAS Battery, Toshiba PA3166U-1BAS Battery, 12 million square meters annually Jinhui membrane products for use in vehicle power batteries a little, and most of the communication or use batteries. Including sales to BYD membrane, and is mainly used in mobile phone lithium batteries. Financial data, Jinhui company established only three years, showing a substantial profit growth, 2008 has brought Fosugufen million profit in 2000.

Of up to shares (600,074): Fosugufen counterparts in the film King of shares is made. Up shares of major shareholders in the application of group technology innovation in the search for new breakthroughs, independent research and development of new materials, production of solar photovoltaic, battery separation film and a number of projects with international leading level. Of shares in China's leading new materials, soft plastic polymer, producing BOPP films, BOPET film, Toshiba PA3285U-1BAS Battery, CPP film three series of products, the leading domestic production scale, but these are lower end products, many used for packaging material, and polyolefin film If used in lithium ion separator film, thin film solar cells, will be worth a hundred times, the shares reached a Fosugufen-like potential.

Alternative future of new energy vehicles will be the inevitable trend of conventional vehicles, power lithium batteries as a new energy vehicles, the "heart", will give rise to huge industrial economic effects on the battery raw material suppliers and vendors are huge commercial cake.

By 2012, annual production of new energy vehicles will reach 100 million units, according to the cost of each new energy 7 million automotive batteries, power lithium battery cathode material lithium iron phosphate 52 kg, 41 kg anode material, electrolyte 40 kg calculated . 1 million hybrid vehicles will drive the 52,000 tons cathode material, anode material 41,000 tons, 40,000 tons of electrolyte needs. For domestic battery manufacturers, this will be a total output value of 70 billion yuan of the big cake. If calculated by bus, this value will increase 3 times - each hybrid bus battery demand is 4 times the car.

Both plug-in hybrid or pure battery-powered cars, will use lithium batteries. However, the participation of lithium battery power into profitable enterprises to track I'm afraid to go to 2012, and the power lithium battery itself has some technical problems to solve. Today's sophisticated battery should be a nickel-hydrogen batteries.

With the traditional chemical power (such as lead-acid, nickel cadmium, etc.), compared with a pollution-free nickel-hydrogen batteries, high specific energy, high power, fast charge and discharge, resistance to abuse and so many excellent features, has wide application and market prospects.

Beijing Nonferrous Metal Research Institute has in the "July", "August", "Ninth Five-Year Plan" assume "863" high-tech projects and related nickel-hydrogen battery research of key materials, and in 1993, the first time in 1996 to complete development of open-rich liquid-type nickel-hydrogen batteries, and successfully run the electric tricycle and electric vehicles. Period, has established three million cylindrical sealed nickel-metal hydride batteries and nickel-metal hydride battery production line with the relevant key materials such as hydrogen storage alloys,Toshiba PA3384U-1BAS Battery, nickel hydroxide, nickel foam production line.

After that, the national "863" high-tech field of new materials and scientific and technological innovation projects support Nonferrous Metal Research Institute, the complete series of square 10Ah ~ 150Ah sealed nickel-hydrogen battery development work, and at the end of 1999 the first successful in the country used 5-seater electric car, a charge up to 225 km mileage. The nickel-metal hydride battery electric car has completed a charge Beijing - Tianjin from Beijing - Tianjin - Tanggu and Beijing Second Ring Road - Third Circle (the actual city road conditions) of the real vehicle running the experiment (average speed of 50 to 80 km / hours), excellent battery performance.

"Fifteen" undertaken during the national "863"Toshiba PA3383U-1BAS Battery, Toshiba PA3384U-1BAS Battery, Toshiba PA3285U-1BAS Battery, Toshiba PA3191U-1BAS Battery, Toshiba PA3166U-1BAS Battery, major special project of electric vehicles, "city buses with fuel cell auxiliary systems and nickel-hydrogen battery management module," "hybrid cars use nickel-hydrogen batteries of high power and management system" and "hybrid car with super capacitors and management system" and other major topics of development tasks. The development of battery can be used in electric bicycles, motorcycles, all kinds of military weapons and equipment and various needs of the power supply.

The development of batteries have the following characteristics:

Large capacity: 6Ah ~ 200Ah, to meet the requirements of various types of electric vehicles

Nominal voltage: single 1.2V, battery voltage design upon request

High specific energy: 50 ~ 70wh/kg, to give electric cars a longer driving distance charge

Specific power: 160 ~ 800W/kg, also designed and developed according to user needs all types of high power or high power nickel-hydrogen batteries, electric cars and efficient given to start, climbing and acceleration or hybrid electric cars. According to high-power battery, Toshiba PA3383U-1BAS Battery, high-energy type are designed for two types of batteries.

Long life: high-energy-type battery 300 ~ 800 (80%) DOD, to give electric cars the excellent performance / price ratio, high-power battery life handed down in a shallow charge-discharge cycles more than 20 million times.

Temperature: -20 ℃ ~ 60 ℃ pollution: as the "green power" for the development of today's most practical application of electric vehicles of choice for secondary power.

After ten years of research on key national issues of research, has been initially established nickel-hydrogen batteries used in electric vehicle research laboratory in the trial ridiculed Di Feng Maple ㄉ Nai BU O suppressing Fortunately, the electrochemical tapestry of silly.

U.S. government intends to lithium batteries (lithium battery) as dangerous goods, require airlines to carry these batteries and related products in compliance with hazardous materials shipping regulations, but were major trading partners (EU, China, Japan, Korea and Israel) fierce opposition On the grounds that disrupt international shipping and increased operating costs,Toshiba PA3591U-1BAS Battery resulting in cell phones, laptop computers, medical equipment, water and electric vehicle battery prices.
U.S. authorities are worried about the pilots, if you do not control the transport of lithium batteries, sooner or later lead to the crash, decided to force the air containing lithium and lithium products must comply with the transportation of dangerous goods regulations.

U.S. Department of Transportation estimates that the cost of implementing the measure is only $ 9,000,000 per year (1154 million).

Lithium battery may short circuit and in-flight fire. U.S. government tests have shown that lithium-induced abnormal fierce fire burning, not easily extinguished.

Last September, United Parcel Service (UPS) a cargo plane loaded with electronic equipment in Dubai crash. Two victims reported that the pilots of cargo compartment fire, smoke billowing, so they do not clear the cockpit instruments. Investigators suspect fires are caused by lithium batteries, or at least contributed to the fire.

U.S. Transportation Minister Lahoud's motto is "when it comes to security, will not compromise for anyone.Toshiba PA3291U-1BAS Battery, " But George Washington University professor of Economics and International Relations, said Ao Muer, to balance security needs with trade interests is not easy.

He said: "Any sensible government, Toshiba PA3250U-1BAS Battery, Toshiba PA3356U-1BAS Battery, Toshiba PA3291U-1BAS Battery, Toshiba PA3591U-1BAS Batteryas long as the number of trading partners cause such discontent, will be careful. "

Final decision on the measures the White House Office of Management and Budget. Although the collection of views of the time has passed, but council officials last month with Japan and South Korea were still government officials and industry leaders and their lobbyists held talks.

A South Korean official said the final outcome of the review Bureau of the Budget may be delayed several weeks or even months until released. Bureau of the Budget spokesman declined to comment.

Power battery technology breakthrough in China highlights the power of the bottleneck

New energy vehicles has become the world's attention to high-tech industries, and national policies, planning and implementation of the introduction, marking China's energy-saving and new energy automotive industry will face a historic opportunity for optimal development of energy-saving and new energy development of the automotive industry has risen to a high degree of national strategies, and power lithium-ion battery pack has been recognized as a new energy vehicles ideal power supply.

Lithium is a structural mechanics, thermodynamics, vibration, fluid dynamics, power electronics, electronic circuits and automatic control, computer and software engineering, and optimization of electrochemical multidisciplinary integrated product, electromechanical integration into product innovation combined with the strength of electric , electrochemical, electrical interconnection technology, high-density three-dimensional mechanical structure assembly and integration of technology, Toshiba PA3356U-1BAS Battery,one of the products.

Power lithium-ion battery products at the technical level of the breakthroughs and the development of pure electric vehicles are closely related. Especially thermal power lithium-ion battery pack design, structural design, heat charge and discharge control, fault isolation techniques, a balanced charge and discharge technology, modular rapid charging technology.

Not long ago, Edwin Energy Technology Co., Ltd. Shenzhen through research and innovation in these technologies has made outstanding results, while achieving the bus's 600V300Ah demand for lithium-ion battery power, the current energy ratio of up to 180WH.

The General Assembly in EVS25 site, Edwin Energy Technology Co., Ltd. of Shenzhen (hereinafter referred to Edwin energy) Caishi Qi, chairman of the "new energy vehicles" magazine reporters about the current energy Edwin advantage of product innovation and highlights. Caishi Qi said Edwin products will promote energy research and development of new energy vehicles with power lithium-ion battery technology and industrial development.

Caishi Qi said that Edwin has been specializing in all types of energy rechargeable battery pack for the development, production and sales. Since 2003, after eight years, Edwin Energy has developed into portable consumer products from the application of the battery pack, laptop battery pack to the current provider of high power lithium battery group.

Battery management systems, energy Edwin series and mixed with a tube (series + parallel) control system, real-time monitoring of each single cell battery operating conditions, once a single battery failure, the system quickly battery fault isolation, Toshiba PA3250U-1BAS Battery, Toshiba PA3356U-1BAS Battery, Toshiba PA3291U-1BAS Battery, Toshiba PA3591U-1BAS Battery together with isolation of up to 5 single cells and can achieve fault warning, allowing users to connect in the vehicle service station and replace the battery without having to replace the large battery pack, greatly reducing the electric vehicle battery Unit maintenance costs. Edwin power the electric vehicle using lithium-ion batteries the high technology, thus greatly improving the specific energy of lithium-ion battery power, reliability,Toshiba PA3250U-1BAS Battery, maintainability, life and stiffness and strength and other environmental adaptability. Modular products and the industry can make a quick stop new business models.

For lithium battery production enterprises, standing height of the country's new energy industry, develop innovative power lithium-ion battery technology, and the domestic power lithium-ion battery pack for the results to the entire industry in the promotion and application, so that not only to stimulate technological progress in the industry, but also to our power lithium-ion battery technology and industry level to new areas and dimensions.