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:
Aug. 12, 2014
Filed:
Oct. 15, 2009
Yasuhiro Akita, Nagoya, JP;
Masanori Aimu, Toyota, JP;
Tatsuya Kawahara, Toyota, JP;
Takeshi Nagasawa, Okazaki, JP;
Toyohiro Matsuura, Okayama, JP;
Takeyuki Suzuki, Okayama, JP;
Hiroshi Kato, Okayama, JP;
Hideki Yamada, Akaiwa, JP;
Yasuhiro Akita, Nagoya, JP;
Masanori Aimu, Toyota, JP;
Tatsuya Kawahara, Toyota, JP;
Takeshi Nagasawa, Okazaki, JP;
Toyohiro Matsuura, Okayama, JP;
Takeyuki Suzuki, Okayama, JP;
Hiroshi Kato, Okayama, JP;
Hideki Yamada, Akaiwa, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-Shi, JP;
W.L. Gore & Associates, Co., Ltd., Tokyo, JP;
Abstract
It is an object of the present invention to provide a fuel cell electrolyte membrane reinforced with a porous substrate which has excellent durability and in which the amount of cross leakage as a result of chemical deterioration of electrolyte membrane components due to the presence of peroxide and/or radicals is particularly reduced. The present invention relates to an electrolyte membrane for a fuel cell comprising a polyelectrolyte, which contains a porous substrate and a radical scavenger dispersed in the polyelectrolyte.