Title:
Solar cell elements, their manufacturing methods, and solar cell modules
Document Type and Number:
Japanese Patent JP6295952
Kind Code:
B2
Abstract:
This solar cell element includes: a semiconductor substrate which has a light-receiving surface, and a rear surface located on the opposite side to the light-receiving surface, said semiconductor substrate having, provided to the rear surface thereof, a p-type diffusion region including a p-type impurity and an n-type diffusion region including an n-type impurity; a passivation layer which is provided to a portion or the entirety of the rear surface of the semiconductor substrate, and which includes at least one selected from the group consisting of Nb2O5, Ta2O5, V2O5, Y2O3, and HfO2; a first metal electrode provided to at least a portion of the p-type diffusion region; and a second metal electrode provided to at least a portion of the n-type diffusion region.
Inventors:
Akihiro Oda
Masato Yoshida
Tsuyoshi Nojiri
Yasushi Kurata
Toru Tanaka
Shuichiro Adachi
Tsuyoshi Hayasaka
Koji Hattori
Mieko Matsumura
Keiji Watanabe
Morishita New Year
Hirotaka Hamamura
Masato Yoshida
Tsuyoshi Nojiri
Yasushi Kurata
Toru Tanaka
Shuichiro Adachi
Tsuyoshi Hayasaka
Koji Hattori
Mieko Matsumura
Keiji Watanabe
Morishita New Year
Hirotaka Hamamura
Application Number:
JP2014525896A
Publication Date:
March 20, 2018
Filing Date:
July 19, 2013
Export Citation:
Assignee:
Hitachi Chemical Co., Ltd.
International Classes:
H01L31/0216; H01L31/068
Domestic Patent References:
| JP58023486A | ||||
| JP59178778A | ||||
| JP2008275446A | ||||
| JP2001514961A | ||||
| JP62081070A | ||||
| JP2012033538A | ||||
| JP2003533892A | ||||
| JP2007242504A |
Foreign References:
| US20110201188 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office
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