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.

Date of Patent:
Feb. 01, 2022

Filed:

Oct. 09, 2019
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Inyu Park, Seoul, KR;

Jae Jun Ko, Gyeonggi-do, KR;

Bo Ki Hong, Seoul, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1053 (2016.01); H01M 4/88 (2006.01); H01M 8/126 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8892 (2013.01); H01M 8/1053 (2013.01); H01M 8/126 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0094 (2013.01);
Abstract

Disclosed is a method of manufacturing an electrolyte membrane including an antioxidant. The method may include forming a first dispersion liquid including deionized water, a first ionomer dispersion solution and an antioxidant, and forming a second dispersion liquid including the first dispersion liquid and a second ionomer dispersion solution.


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