Invention Grant
- Patent Title: High photoelectric conversion efficiency solar battery cell and method for manufacturing high photoelectric conversion solar battery cell
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Application No.: US16068045Application Date: 2016-12-01
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Publication No.: US10700223B2Publication Date: 2020-06-30
- Inventor: Takenori Watabe , Yoko Matsuo , 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/JP2016/005045 WO 20161201
- International Announcement: WO2018/100596 WO 20180607
- Main IPC: H01L31/0224
- IPC: H01L31/0224 ; H01L31/048 ; H01L31/18

Abstract:
A solar battery cell including a finger electrode on a first main surface of a semiconductor substrate, the solar battery cell being including at least a surface of the finger electrode is covered with a material containing an insulating material so that the surface is not exposed, and the material containing the insulating material does not hydrolyze or does not generate a carboxylic acid when it hydrolyzes. Consequently, it is possible to provide a solar battery cell which suppresses a reduction in photoelectric conversion efficiency with time even though EVA is used and to provide a photovoltaic module using this solar battery cell.
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