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:
Nov. 27, 2012
Filed:
Dec. 11, 2007
Ki Yun Cho, Seoul, KR;
IN Chul Hwang, Gyeonggi-do, KR;
Ki Yun Cho, Seoul, KR;
In Chul Hwang, Gyeonggi-do, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
The present invention relates to a multi-layered polymer electrolyte membrane for a fuel cell, which is prepared by introducing an anion binding substance as a coating layer to a non-aqueous polymer electrolyte membrane for preventing the elution of acid, and a fuel cell comprising the membrane. In particular, the present invention discloses a multi-layered polymer electrolyte membrane prepared by coating an anion binding substance on a non-aqueous polymer electrolyte membrane, and a fuel cell comprising the membrane, thereby preventing the elution of acid and maintaining the performance of a fuel cell to economic and environmental profit.