Invention Grant
- Patent Title: High photoelectric conversion efficiency solar cell and method for manufacturing high photoelectric conversion efficiency solar cell
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Application No.: US15740181Application Date: 2016-10-25
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Publication No.: US11049988B2Publication Date: 2021-06-29
- Inventor: Takenori Watabe , Ryo Mitta , Hiroshi Hashigami , Hiroyuki Ohtsuka
- Applicant: SHIN-ETSU CHEMICAL CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: SHIN-ETSU CHEMICAL CO., LTD.
- Current Assignee: SHIN-ETSU CHEMICAL CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- International Application: PCT/JP2016/004691 WO 20161025
- International Announcement: WO2018/078668 WO 20180503
- Main IPC: H01L31/05
- IPC: H01L31/05 ; H01L31/0224 ; H01L31/0288 ; H01L31/18 ; H01L31/068

Abstract:
Provided is a solar cell including, on a first main surface of a semiconductor substrate having a first conductivity type, a base layer which has the first conductivity type, and an emitter layer which is adjacent to the base layer and has a second conductivity type which is a conductivity type opposite to the first conductivity type, and further including a base collecting electrode provided on at least the base layer, and a part of the base collecting electrode is also arranged on the emitter layer adjacent to the base layer on which the base collecting electrode is arranged. Consequently, the inexpensive solar cell having high photoelectric conversion efficiency can be provided.
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