Recent progress on large area multicrystalline silicon solar cells at Kyocera

Hiroyuki Watanabe, Katsuhiko Shirasawa, Michihiro Takayama, Kenichi Okada, Kenji Fukui, Hiroaki Takahashi, Yosuke Inomata

Research output: Contribution to journalArticlepeer-review

Abstract

Key technologies for improvement of multicrystalline silicon solar cells investigated at Kyocera are described in this paper. Main key technologies are (1) optimization of emitter structure, (2) reduction of surface reflectance, (3) bulk and surface passivation, and (4) preparation of electrode. Conversion efficiencies of 16.5% and 16.4% have been obtained for multicrystalline silicon solar cells with cell areas of 10 × 10 cm2 and 15 × 15 cm2, respectively, using substrates made by the casting method. Higher conversion efficiencies are expected to be obtained by further investigation of the above-mentioned key technologies.

Original languageEnglish
Pages (from-to)491-510
Number of pages20
JournalOptoelectronics Tokyo
Volume9
Issue number4
Publication statusPublished - 1994 Dec 1

ASJC Scopus subject areas

  • Engineering(all)

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