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.
Patent No.:
Date of Patent:
Jun. 18, 2024
Filed:
Sep. 08, 2020
Applicant:
Toyo Aluminium Kabushiki Kaisha, Osaka, JP;
Inventors:
Naoya Morishita, Osaka, JP;
Marwan Dhamrin, Osaka, JP;
Assignee:
TOYO ALUMINIUM KABUSHIKI KAISHA, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2006.01); B22F 9/00 (2006.01);
U.S. Cl.
CPC ...
H01L 31/022425 (2013.01); B22F 9/008 (2013.01); H01L 31/022441 (2013.01);
Abstract
This invention provides a conductive paste and a method for producing a TOPCon solar cell, by which a TOPCon solar cell can be produced by a simple method, and additionally, a TOPCon solar cell can be constructed with excellent conversion efficiency. Specifically, the invention provides a conductive paste for use as a back electrode for TOPCon solar cells, the conductive paste comprising aluminum-silicon alloy particles, an organic vehicle, and a glass powder, the aluminum-silicon alloy particles having a silicon concentration of 25 wt % or more and 40 wt % or less.