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:
Jan. 05, 2021
Filed:
Dec. 06, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Hee Jin Woo, Suwon-Si, KR;
Ki Sub Lee, Yongin-Si, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); H01M 8/0258 (2016.01); H01M 8/0273 (2016.01); H01M 8/242 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 8/0258 (2013.01); H01M 8/0273 (2013.01); H01M 8/242 (2013.01);
Abstract
A membrane electrode assembly includes: an electrolyte membrane; a catalyst electrode layer including a cathode catalyst electrode disposed on the electrolyte membrane and an anode catalyst electrode disposed under the electrolyte membrane; and a sub-gasket disposed on the electrolyte membrane to be in contact with an edge of the catalyst electrode layer. Each of the sub-gasket includes a moisture drain hole penetrating the sub-gasket to expose a portion of the electrolyte membrane outside.