SOLAR BATTERY AND SOLAR BATTERY MODULE

A solar cell includes: a cell main body part including a back electrode and a photoelectric conversion section, the back electrode being arranged on a back surface of the photoelectric conversion section; and a metal film disposed in contact with the back electrode of the cell main body part. The ba...

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Bibliographic Details
Main Authors Adachi, Daisuke, Irie, Tooru, Terashita, Toru
Format Patent
LanguageEnglish
Published 03.05.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:A solar cell includes: a cell main body part including a back electrode and a photoelectric conversion section, the back electrode being arranged on a back surface of the photoelectric conversion section; and a metal film disposed in contact with the back electrode of the cell main body part. The back electrode includes a plurality of projections or recesses with an arithmetic mean roughness of more than 0.1 μm. The metal film has an arithmetic mean roughness of more than 0.1 μm on a surface contacting the back electrode. The metal film covers at least 10% of a back surface of the cell main body part.
Bibliography:Application Number: US201715856911