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. 30, 2026
Filed:
Aug. 17, 2023
Applicant:
Haidriver (Beijing) Energy Technology Co., Ltd, Beijing, CN;
Inventors:
Assignee:
Haidriver (Beijing) Energy Technology Co., Ltd, Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/88 (2006.01); H01M 4/86 (2006.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8828 (2013.01); H01M 4/8605 (2013.01); H01M 4/8882 (2013.01); H01M 4/926 (2013.01);
Abstract
Provided are a cathode catalyst layer and a preparation method and use thereof, and a fuel cell. The method includes: mixing a catalyst, water, and an alcohol with a pore-forming agent to obtain a mixture; dispersing the mixture into a Nafion solution to obtain a slurry; and coating the slurry onto a surface of a diffusion layer to obtain a coated diffusion layer, and subjecting the coated diffusion layer to calcination and freeze-drying in sequence to obtain the cathode catalyst layer.