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. 08, 2014
Filed:
Jul. 20, 2011
Hyoung-juhn Kim, Gyeonggi-do, KR;
Soo-kil Kim, Seoul, KR;
Eun AE Cho, Seoul, KR;
Jong Hyun Jang, Gyeonggi-do, KR;
Sung Pil Yoon, Gyeonggi-do, KR;
IN Hwan OH, Seoul, KR;
Jonghee Han, Seoul, KR;
Seong Ahn Hong, Seoul, KR;
Suk-woo Nam, Seoul, KR;
Tae Hoon Lim, Seoul, KR;
Hyoung-Juhn Kim, Gyeonggi-do, KR;
Soo-Kil Kim, Seoul, KR;
Eun Ae Cho, Seoul, KR;
Jong Hyun Jang, Gyeonggi-do, KR;
Sung Pil Yoon, Gyeonggi-do, KR;
In Hwan Oh, Seoul, KR;
Jonghee Han, Seoul, KR;
Seong Ahn Hong, Seoul, KR;
Suk-Woo Nam, Seoul, KR;
Tae Hoon Lim, Seoul, KR;
Korea Institute of Science and Technology, Seoul, KR;
Abstract
Disclosed herein is an electrolyte membrane for a fuel cell. The electrolyte membrane includes a blend of polymers with different degrees of sulfonation. The electrolyte membrane can exhibit excellent effects such as improved long-term cell performance and good long-term dimensional stability while at the same time solving the problems of conventional hydrocarbon electrolyte membranes. Further disclosed are a membrane-electrode assembly and a fuel cell including the electrolyte membrane.