The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 27, 2022

Filed:

Sep. 04, 2019
Applicant:

Shangrao Jinko Solar Technology Development Co., Ltd, Jiangxi Province, CN;

Inventors:

Changseo Park, Seoul, KR;

Yoonsil Jin, Seoul, KR;

Youngho Choe, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0216 (2014.01); H01L 31/068 (2012.01); H01L 31/18 (2006.01); H01L 31/0224 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02168 (2013.01); H01L 31/02167 (2013.01); H01L 31/022425 (2013.01); H01L 31/068 (2013.01); H01L 31/0684 (2013.01); H01L 31/1804 (2013.01); Y02E 10/547 (2013.01); Y02P 70/50 (2015.11);
Abstract

A bifacial solar cell includes a silicon substrate; an emitter layer; a plurality of first electrodes locally on the emitter layer; a first aluminum oxide layer on the emitter layer; a first silicon oxide layer between the first aluminum oxide layer and the emitter layer; a first anti-reflection layer on the first aluminum oxide layer; a back surface field layer on the silicon substrate; a second aluminum oxide layer on the silicon substrate; a second silicon oxide layer between the second aluminum oxide layer and the silicon substrate; a second anti-reflection layer on the second aluminum oxide layer; and a plurality of second electrodes respectively on the back surface field layers through the second anti-reflection layer, the second aluminum oxide layer and the second silicon oxide layer.


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