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EP4372829

Unitary patent

SOLAR CELL, MANUFACTURING METHOD THEREOF, AND PHOTOVOLTAIC MODULE

Filed
Aug 31, 2021
Technology
Electrical engineering · Semiconductors
UPC cases
5
Ownership history
As recorded at the EPO. Transfers made after the opposition period are recorded in national registers and may be missing here.
Abstract

Provided are a solar cell, a manufacturing method thereof, and a photovoltaic module. The solar cell includes: a semiconductor substrate, in which a rear surface of the semiconductor substrate having a first texture structure, the first texture structure includes two or more first substructures at least partially stacked on one another, and in a direction away from the rear surface and perpendicular to the rear surface, a distance between a top surface of an outermost first substructure and a top surface of an adjacent first substructure being less than or equal to 2 µm; a first passivation layer located on a front surface of the semiconductor substrate; a tunnel oxide layer located on the first texture structure; a doped conductive layer located on a surface of the tunnel oxide layer; and a second passivation layer located on a surface of the doped conductive layer.

Litigation history
DateCaseDivisionTypeOutcomeParties
Sep 2, 2025UPC APP 35439/2025Munich LDProcedural applicationLockedShanghai Jinko Green Energy Enterprise Management Co., Ltd. +7

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