Soitec, a French semiconductor expert, said that the conversion efficiency of a module integrating its highly efficient four-junction condenser photovoltaic (CPV) battery has recently reached 38.9%. Although the company has largely withdrawn from the solar business, it continues to produce a record 46% conversion efficiency in a concentrator photovoltaic cell in December according to its so-called SmartCell project development technology (click to view the PV -Tech previously reported. Yesterday, the company stated that it has integrated one such battery into a concentrating photovoltaic module, resulting in a conversion efficiency of 38.9%. Concentrating photovoltaic modules use Fresnel lenses to concentrate sunlight onto small multijunction solar cells. For this record, the four-node SmartCell is integrated into a module that uses the same platform as the existing concentrator PV modules with three-junction cells. The German research institute Fraunhofer ISE tested the components and the agency has always been one of Soitec's partners in developing this technology, with normal exposure to 1,000W/m2 and battery temperature of 25°C. The display efficiency is 38.9%, ±0.9%. The record-breaking component has an aperture area of ​​812cm2, using thirty-six lenses and SmartCell. Soitec CEO Paul Boudre said: “While we announced Soitec’s refocus on its core semiconductor materials business earlier this year, we also decided to maintain all of our assets related to our SmartCell project within the company’s new strategy. In fact, It opens up many business opportunities for Soitec in different types of industries.According to the current situation, SmartCell paves the way for solar energy to further reduce costs as it can be integrated into a concentrating photovoltaic module with a record of efficiency for mass production. ." Earlier this year, Soitec disclosed that it is selling most of its solar business to ConcenSolar. However, the company stated that it will continue to develop quad-battery technology, aiming to bring it to market.
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