CIS thin film solar cell system
863 new materials in the areas of support, Advanced Technology Co., Ltd. and Germany to develop low-cost copper indium sulfide (CIS) thin film solar cells 20kW grid power system has been applied to the central area of the Olympic Park. So far, the world has not been copper indium sulfide thin film solar cells on the grid-scale applications, reported that this is copper indium sulfide 10kW-class solar cell of the first grid demonstration projects.
Copper indium sulfide thin film solar cells with stable performance, low cost, abundant raw materials, production processes short, low energy consumption, environmentally friendly preparation process and other characteristics, is one of the main directions of development of solar cells. Copper indium sulfide material properties, preparation methods and cell structure of extensive research with current copper indium gallium selenide (CIGS) material similar to the light absorption, with absorption coefficient is high, easy to select the window materials, structure and other characteristics of the neutral defect, while copper indium sulfide material also has the characteristics of the band gap close to the solar cell material band gap required for the best value, so do not need to add the gallium element to adjust its band gap can be prepared using non-vacuum method, which simplifies the production process to substantially reduce production costs.
Advanced Technology Development Co., Ltd. and German cooperation Preparation of copper indium sulfide battery technology, using non-vacuum technology, continuous roll to roll production methods, more suitable for mass production, cost advantages. Compared with other low-cost solar cells, copper indium sulfide batteries cost the equivalent of 30-40% of polycrystalline silicon solar cells and energy payback period of only 1 year, no preparation process in the production of harmful emissions, no need to create CdTe solar cells large recycling system.
Advanced Technology Co., Ltd. since 2004, developed in partnership with the German Odersun copper indium sulfide solar cell preparation, successful resolution of the scale of production of the key technical problems. The application of the Olympic Park and the copper indium sulfide solar power generation system, located in the center of the entrance to the underground car business is divided into four subsystems, system design capacity of 20kW, the power can be used for underground commercial parking lot lighting .
Currently, copper indium sulfide compound semiconductor solar cell industry is moving toward stage, copper indium sulfide cell conversion efficiency compared with the theoretical conversion efficiency, there is still much room for improvement, addition, through the development of preparation technology industry can be further improve the battery performance and reduce costs.
Sherritt Nickel Project overseas company
According to the Canadian company Sherritt has recently said that at present the company in Cuba and Madagascar nickel project run smoothly, and is developing according to schedule. The two nickel mines are described below:
(1) Cuba's Moa nickel mine, mainly to the Fort Saskatchewan refinery in Canada to provide raw materials. Moa nickel project an expansion project was completed in the second quarter of 2008, nickel production capacity of 4,000 tons / year, total production capacity of 3.7 million tons of nickel mine / year. Second project will be completed in the second quarter of 2009, after the completion of Phase II to increase production capacity of 9,000 tons / year. Fort Saskatchewan smelter expansion project will be completed in the third quarter of 2009. Moa and Fort Saskatchewan Project Phase III expansion project has been approved, with a total investment of about $ 566,000,000, to increase production capacity after the completion of 3000-6000 tons of nickel / year.
(2) Ambatovy nickel project in Madagascar. The project is the ultimate goal is to produce 60,000 tons of nickel and 5600 tonnes of cobalt, the first batch autoclave 5 was the end of June arrived in Madagascar, is currently being installation, and other infrastructure are also being installed in full swing, is expected in 2008 completed in the third quarter.
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