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:
Sep. 13, 2011
Filed:
Nov. 15, 2007
Hiroko Endo, Kanagawa-ken, JP;
Hiroyuki Nishide, Tokyo, JP;
Atsuo Sonai, Kanagawa-ken, JP;
Takahiro Tago, Tokyo, JP;
Teruyuki Okayasu, Tokyo, JP;
Hiroko Endo, Kanagawa-ken, JP;
Hiroyuki Nishide, Tokyo, JP;
Atsuo Sonai, Kanagawa-ken, JP;
Takahiro Tago, Tokyo, JP;
Teruyuki Okayasu, Tokyo, JP;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A proton conductive polymer electrolyte includes an acidic functional group-containing aromatic hydrocarbon polymer and an electron donor functional group-containing compound. When used in a fuel cell, the proton conductive polymer electrolyte provides a long-term stable power generating performance at an operating temperature from 100° C. to 200° C. in non-humidified conditions or a relative humidity of 50% or less.