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:
Jul. 22, 2014
Filed:
Dec. 29, 2006
Applicant:
Nak Hyun Kwon, Yongin-si, KR;
Inventor:
Nak Hyun Kwon, Yongin-si, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method of manufacturing a multilayer electrolyte reinforced composite membrane that is mechanically stable and cost-efficient and has superior hydrogen ion conductivity even when exposed to low humidity and high temperature conditions. The method of the invention involves a stretching process and a series of drying steps to provide a hydrogen ion exchange membrane of a three-layer structure comprising: a matrix layer of a hydrogen ion exchange membrane impregnated and stretched with a polymer electrolyte sandwiched between two electrolyte coated layers.