Recently, Soitec SA, headquartered in Bernin, France, announced that it has passed the Fraunhofer ISE, CEA-Leti and Helmholtz Research Centers. The joint cooperation, the solar light concentration of 297, the conversion efficiency of photovoltaic cells can be as high as 44.7%. Soitec said that the conversion efficiency of the four-junction photovoltaic cells introduced this time has refreshed the former world record holders (in June of this year, Japan Sharp launched a photovoltaic cell with a solar conversion efficiency of 43.6% under the conversion efficiency of 302). In addition, the company launched the industry's first four-junction solar photovoltaic cell in May of this year. When the solar light concentration is 319, the photovoltaic cell efficiency can reach 43.6%. Frank Dimroth, executive of Fraunhofer ISE development department, said: “Our R&D team is very good. The four-junction solar cell has 'embraced' our team's expertise over the years.†“In addition to material improvement and structural optimization, a new program called 'wafer bonding' plays a central role in the R&D process. With this technology, we are able to connect two semiconductor crystals in an orderly fashion, avoiding one In addition, we will be able to produce the best semiconductor combination to create the highest efficiency." Soitec pointed out that the new battery adopts its wafer bonding technology and is confident that the conversion efficiency will exceed 50% in the future. In addition, the battery contains four sub-cells based on III-V semiconductor technology.
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The photovoltaic cell "coheses" the team's efforts for many years
Soitec Launches Photovoltaic Battery with 44.7% Conversion Efficiency