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:
May. 14, 2024
Filed:
Jun. 21, 2022
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Inventors:
Il Seok Chae, Seoul, KR;
Jong Kil Oh, Gyeonggi-do, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); C09K 15/02 (2006.01); C09K 15/12 (2006.01); H01M 8/10 (2016.01); H01M 8/1039 (2016.01); H01M 8/1051 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); C09K 15/02 (2013.01); C09K 15/12 (2013.01); H01M 8/1039 (2013.01); H01M 8/1051 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0091 (2013.01);
Abstract
Disclosed is a method of producing an antioxidant that has excellent antioxidant ability and is well dispersed when applied to a membrane-electrode assembly (MEA). The method includes a step of preparing a powder including reduced metal oxide and a step of mixing the powder with a powdery ionomer to obtain an antioxidant in which the ionomer is bound to the surface of the reduced metal oxide.