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:
Apr. 18, 2011
Filed:
May. 25, 2010
Do-yun Kim, Daejeon-si, KR;
Min-ju Jeong, Seoul, KR;
Myung-sup Jung, Seongnam-si, KR;
Bong-seok Moon, Yongin-si, KR;
Do-yun Kim, Daejeon-si, KR;
Min-ju Jeong, Seoul, KR;
Myung-sup Jung, Seongnam-si, KR;
Bong-Seok Moon, Yongin-si, KR;
Samsung SDI Co., Ltd., Suwon, KR;
Abstract
The present invention is related to a polymer comprising terminal sulfonic acid groups, which has a high ionic conductivity and good structural stability, does not decompose even under low humidity conditions, and is inexpensive to produce. Furthermore, the present invention is related to a polymer electrolyte and a fuel cell using the same. The polymer of the present invention has a substituent comprising a terminal sulfonic acid group comprising Formula (1) at a side chain:where n may be a number in the range of about 1 to about 5.