Although the industry crystalline silicon solar panels are still the dominant position, other
laptop battery materials, manufacturing costs are still relatively Xiangui a bit. New vendors want to absorb the energy of the material can be copper indium gallium selenide (Copper Indium Gallium Sselenide, referred to as CIGS) or its related materials to replace copper indium gallium selenide cells have the potential of high conversion efficiency, can achieve low-cost manufacturing compared to silicon-based solar cells, only a small amount of raw materials used.
Unfortunately, so far a large number of commercial production of copper indium gallium selenide cells is indeed a difficult task. Recently, the University of California at Los Angeles (University of California, Los Angeles, referred to as UCLA) Henry Samueli School of Engineering and Applied Science research team, developed a low-cost manufacturing methods, to solve production of copper indium gallium selenide battery problems. The new
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compaq evo n620c battery study, published in Solid Film (Thin Solid Films) July, No. journals, Materials Science and Engineering (Department of Materials Science and Engineering) of the Yang Yang (Yang Yang) professors and their research team, using low-cost method, show copper indium gallium diselenide (copper-indium-diselenide) solar cells can be mass-produced potential.
1 by a team of graduate students in Professor Yang Hou, William (William Hou) is also the first author Cipian journal reference to "copper indium gallium selenide series of materials available to a very high conversion efficiency, there are already about 20% of the efficiency of the battery However, its manufacturing cost is expensive. Ultimately, the product's manufacturing costs will make it very difficult to compete with the existing tariff, however, recent developments through our process, will be able to retain the same efficiency, their manufacturing costs it is relatively much lower. "laboratory by Professor Yang, the team prepared in copper indium gallium diselenide thin-film
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compaq presario 2500 battery in a very short period of time from 7.5% to 9.3%. Professor Yang is also the California NanoSystems Institute (California NanoSystems Institute) member, he said, "we started 16 months before the study, the initial 3 to 4 months, we can only obtain 1%, are now more than 9%. "Right now most of the copper indium gallium selenide cells are the way to use vacuum deposition production, commonly referred to as a total of Vapor Deposition (co-evaporation), is not only expensive and time-consuming process, will focus on the material - copper indium gallium and selenium heating deposited on substrates in a vacuum, of course, using this method to obtain large area and uniform film of copper indium gallium selenium there is a certain challenge.
Professor Yang, a team of copper indium gallium diselenide material does not use vacuum deposition approach to preparation, but the material simply dissolves into solution, formed through the baking. They use hydrazine (hydrazine) as a solvent to dissolve copper sulfide (copper sulfide) and indium selenide (indium selenide) and then the formation of indium gallium selenide material. In the absorption layer of solar cells (which may be of copper indium gallium diselenide or copper indium gallium selenide series) is the most critical elements affecting the efficiency and difficult to control, and Professor Yang of copper indium gallium diselenide compaq presario r3000 battery,compaq presario v4000 battery material to state solution exists, can be easily coated or attached to the substrate surface and baking. Hou referred to "take advantage of our approach, in which one of the advantages is that the use of materials, while it is material to the solution state of existence is conducive to the use of continuous volume of the roll (roll-to-roll) manufacturing process, these are important factor is to reduce the cost. "
The team's goal is the efficiency of the battery to 15 ~ 20%. Professor Yang predicted that three to four years will be in volume production. "We continue to improve the efficiency of the battery, while looking for opportunities to cooperate with industry to develop the technology in the United States hope that it will produce a green energy companies, especially here in California, you can create new employment opportunities.
The study was funded by the National Science Foundation (NSF) Integrated Graduate Education and Research Training Fellowship (Integrative Graduate Education and Research Traineeship) - compaq presario v5000 battery,compaq presario v2000 battery,dell laptop battery materials, create a training program (Materials Creation Training Program) .