期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 173, 期 -, 页码 37-42出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2017.06.024
关键词
Solar cell; Heterojunction; Back contact
资金
- New Energy and Industrial Technology Development Organization (NEDO) under the Ministry of Economy, Trade and Industry of Japan
We have developed heterojunction interdigitated back contact solar cell with conversion efficiency of 26.6% (designated area: 180 cm(2)) independently confirmed by Fraunhofer Institute for Solar Energy system Callab. Compared to our previous record efficiency (26.3%), the 0.3% absolute improvement can be regarded as similar to 10% reduction of remaining losses to the theoretical limit (similar to 29%). We discuss the analyzed cell properties together with our recent progress to predict how far we can go in reducing the remaining losses in silicon photovoltaic.
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