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:
Oct. 05, 2021
Filed:
Dec. 07, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Woo Jin Lee, Seoul, KR;
Min Jin Kim, Seoul, KR;
Ki Sub Lee, Gyeonggi-do, KR;
Su Won Seol, Gyeonggi-do, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/1004 (2016.01); H01M 4/88 (2006.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1004 (2013.01); H01M 4/881 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Disclosed are an apparatus for manufacturing a membrane electrode assembly to provide excellent mass transfer characteristics and durability and a manufacturing method using the same. A porosity gradient may be continuously imparted to electrodes of the membrane electrode assembly in a thickness direction thereby improving reactivity with external gas and transfer of internal ions.