SOLAR BATTERY ELEMENT, SOLAR BATTERY AND SOLAR BATTERY MODULE

Japanese Patent JP2017092394

A

PROBLEM TO BE SOLVED: To provide a solar battery element that enables acquisition of a solar battery having a high conversion efficiency and a solar battery module, and a solar battery and a solar battery module that have the solar battery element.SOLUTION: A solar battery element includes a semiconductor substrate having a light receiving surface, a back surface output extraction electrode which is provided on the back surface of the light receiving surface and includes a metal portion and a glass portion, and a back surface current collecting electrode which is provided on the back surface so as to cover at least a part of an edge portion of the back surface output extraction electrode and contains aluminum. The solar battery element contains a portion where the width of an overlapping region between the back surface output extraction electrode and the back surface current collecting electrode is not less than 0.1 mm in plan view taken from the back surface side.SELECTED DRAWING: Figure 1B

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WO/2022/023407	ELECTRO-OPTICAL APPARATUS, SEMICONDUCTOR APPARATUS AND SEMICONDUCTOR DEVICE, ELECTRO-OPTICAL ARRANGEMENT AND USE
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MACHII YOICHI
NOJIRI TAKESHI
KURATA YASUSHI
ADACHI SHUICHIRO
NEMOTO SATOMI

JP2015224221A

May 25, 2017

November 16, 2015

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HITACHI CHEMICAL CO LTD

H01L31/0224; H01L21/28; H01L21/288; H01L31/048; H01L31/05; H01L31/068

Patent Service Corporation Taiyo International Patent Office

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