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Опубликовано 2004-00-00 ОрганизацияToyota Technological Institute, 2-12 Hisakata, Tempaku, Nagoya 468-8511, Japan * Sharp Corporation, Hajikami, Shinjo, Nara 639-2198, Japan =/= Daido Steel Corporation, Daido-cho, Minami, Nagoya 457-8545, Japan + NASDA, Sengen, Tsukuba, Ibaraki 305-8505, J ЖурналЖурнал "Физика и Техника Полупроводников"

Japan programs on novel concepts in PV

Yamaguchi Masafumi, Takamoto Tatsuya, Araki Kenji, Imaizumi Mitsuru

Yamaguchi Masafumi, Takamoto Tatsuya, Araki Kenji, Imaizumi Mitsuru Japan programs on novel concepts in PV // ФТП, 2004, том 38, выпуск 8, Стр. 994

Аннотация Japanese R&D activities in photovoltaics (PV) and our R&D activities of III--V compound multijunction (MJ) solar cells are presented. We have realized high-efficiency InGaP/InGaAs 3-junction solar cells with an efficiency of 36.5--37% (AM1.5G, 200 suns) and concentrator 3-junction solar cell modules of an outdoor efficiency of27% as a result of designing grid structure, developing low optical loss Fresnel lens and homogenizers, and designing low thermal conductivity modules. We are now challenging to develop low-cost and high output power concentrator MJ solar cell modules with an output power of400 W/m2 for terrestrial applications.