PV market is a brand new energy industry, is eco-friendly zero-carbon energy. In comparison with crystalline plastic cells, CIGS (copper indium gallium selenide) and CdTe (cadmium telluride) thin film solar panels with inexpensive, high productivity, high reliability and photoelectric conversion efficiency, good stability, the power payback period is brief, group bits of application diversity, and it has a living room for growth, but additionally faces great challenges. Material supply won’t be a bottleneck Photo voltaic cell has the capacity to convert solar power into electrical power device, the fundamental structure may be the p-type semiconductor and n-type semiconductor pn junction created after mixing our prime conversion efficiency of photo voltaic cell materials have particular needs. CIGS and CdTe is really a direct band gap semiconductor materials, semiconductor, optical absorption coefficient than crystalline plastic one to two orders of magnitude, and it has a appropriate band gap, which determines the 2 compounds is the perfect material for manufacturing solar panels. CIGS and CdTe presently within the area of solar panels to keep title record may be the U.S. National Alternative Energy Laboratory, the conversion efficiency of CIGS cells 19.9%, CdTe cell conversion efficiency of 16.5%. Theoretically, the 2 cells can achieve 33% conversion efficiency, showing the efficiency of compound thin film batteries there’s living room for improvement. In the material perspective, metal indium is rare elements around the current process technology and device structure, the metallic indium around the mass manufacture of CIGS cells is an essential material. It’s believed that, when the photoelectric conversion efficiency of CIGS cells 10%, CIGS absorption layer thickness of three m, 1MW component takes about 50kg of indium As technology enhanced, CIGS absorption layer thickness might be thinned to in the current 3 m 1 m, solar cell will help reduce the quantity of indium. Additionally, the indium could be effectively recycled, and today Japan plus some other Asian nations to effectively recover indium, which could stabilize the cost of indium, and indium-related lower the manufacturing costs of semiconductor products and China may be the country using the biggest reserves of indium, making the domestic CIGS thin film photo voltaic production has certain advantages. For CdTe thin film batteries, Compact disc and Te would be to ensure continuous production of the most basic material. As everyone knows, Compact disc is toxic elements, Te may be the Earth’s scarce element do solar panels using CdTe materials, materials sources and security would be the focus of attention. Generally toxic elements Compact disc, when Compact disc and Te to create a stable compound will forfeit their toxicity. It’s reported the content of Compact disc batteries is a lot greater than CdTe cell, the compound CdTe PV modules throughout normal operation in little danger. CdTe thin film solar materials for Compact disc components aren’t a restricting factor, statistically, producing 1MW, CdTe thickness of three m, photoelectric conversion efficiency of 9.3% from the CdTe PV module needs about 94kg of Compact disc material. Using the battery photoelectric conversion efficiency and lower the CdTe absorption layer thickness, Te usage progressively decreased once the absorption layer thickness of just one m, 13% when battery efficiency, Te in the quantity of nearly 20kg/MW. Te visible way to obtain materials won’t be a bottleneck of CdTe PV materials. Record set in the cheapest cost April 2010, the U.S. National Alternative Energy Laboratory (NREL) confirmed that the organization through the SoloPower experimental production type of flexible copper indium gallium selenium (CIGS) solar modules have passed the laboratory test, the photoelectric conversion rate arrived at 11%, is undoubtedly the full-size flexible module is capable of the greatest conversion rate. The organization manufactured having its patented plating technology, using flexible metal sheet manufacturing CIGS solar panels. NREL had formerly confirmed that the organization 11.8cm2 laboratory photo voltaic cell conversion rate up to 13.4%. The organization stated that it is internal testing of flexible components, the merchandise continues to be delivered to independent labs UL1703 standards for certification, UL certification is anticipated to become completed soon. Avancis Saint-Gobain Group is really a subsidiary of the organization in October 2008 began producing copper indium selenide. Annually later, the organization stated production capacity has arrived at its limit. NREL confirmed the 30cm 30cm copper indium selenide photo voltaic module conversion efficiency of 15.1%, Avancis R & D lab in Munich, Germany, developed this result. Germany Avancis lately introduced the two sides with Donauer partnership on Avancis manufacture of copper indium selenide thin film photo voltaic PowerMax components cooperate. Avancis component energy is 100W ~ 120W, component efficiencies as much as 12%, becoming the very first company’s product portfolio into Donauer copper indium selenide thin-film modules. Belgium Metal (indium, gallium, selenium, tellurium, etc.) producers MCPGroup its manufacturing facilities are now being integrated into a subsidiary AtluminEnergy, to be able to streamline operational processes, reduce their material logistics to satisfy the growing interest in thin film solar industry and enhance competition. Additionally, Atlumin company headquarters in New You are able to, New Hartford town (NewHartford) offers advanced recycling program. The business’s production plant in Germany, the Uk and also the U . s . States along with other nations. Because the world’s biggest photo voltaic cell producers and also the only CdTe thin film battery producers, FirstSolar grew to become the PV industry benchmark for cost control. In ’09, the business’s production arrived at 1.2GW, expected 2010 output within the 1.3GW, 2012 , FirstSolar company’s production capacity will achieve 2.1GW, the main growth of its production plant in Malaysia to attain. 2009, FirstSolar the business’s manufacturing costs CdTe cell has arrived at .8 U.S. dollars / peak watt, the minimum price of solar items, many businesses FirstSolar cost solar standards, process enhancements, optimizing technology and management mode to lessen the price . Additionally, the business’s items is constantly up-to-date to enhance the efficiency of current conversion efficiency at 11.5%, as the laboratory from the cell efficiency has arrived at 16.5% theoretical efficiency of 33%, we are able to observe that battery costs have ongoing to say no within the space. Additionally, CdTe thin film PV module producers AboundSolar company 60cm 120cm scale CdTe thin film solar modules in various weather conditions to simply accept the faster stress testing, mechanical impact, wind load, snow load along with other testing, in April 2010 earnings to PV product testing laboratory through the TUVRheinland released through the Worldwide Electrotechnical Commission (IEC) certification, and also the Underwriters Laboratory (UL) and California Energy Commission (CEC) released certificate. To date, the business’s AB1 number of solar module items also provide UL, IEC, CEC and CE certificate four certification physiques, as well as in the U . s . States and offered inside the whole of Europe. AboundSolar company to supply clients having a 25-year energy output guarantee.
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