Title:
SOLAR BATTERY CELL AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2017/009960
Kind Code:
A1
Abstract:
Provided is a solar battery cell which has excellent light utilization efficiency and for which carrier recombination loss is suppressed. The solar battery cell comprises a back surface electrode 22 formed from an alloy of Ge and other metal elements, a first crystalline Si1-xGex layer 15 of a first polarity formed on a primary surface of the back surface electrode 22, and a second crystalline Si1-yGey layer 16 of a second polarity formed on a primary surface of the first crystalline Si1-xGex layer 15.
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Inventors:
WATANABE KEIJI (JP)
MINE TOSHIYUKI (JP)
ODA KATSUYA (JP)
MIURA MAKOTO (JP)
MINE TOSHIYUKI (JP)
ODA KATSUYA (JP)
MIURA MAKOTO (JP)
Application Number:
PCT/JP2015/070194
Publication Date:
January 19, 2017
Filing Date:
July 14, 2015
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01L31/0745
Foreign References:
| JPH09509282A | 1997-09-16 | |||
| JP2012518289A | 2012-08-09 | |||
| US20110120538A1 | 2011-05-26 | |||
| JP2014053545A | 2014-03-20 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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