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:
May. 13, 2014
Filed:
Dec. 16, 2009
Seong-woo Choi, Yongin-si, KR;
Cheol-hee Ahn, Seoul, KR;
Jung-ock Park, Yongin-si, KR;
Mi-jung Yim, Seoul, KR;
Seong-woo Choi, Yongin-si, KR;
Cheol-hee Ahn, Seoul, KR;
Jung-ock Park, Yongin-si, KR;
Mi-jung Yim, Seoul, KR;
Samsung Electronics Co., Ltd., , KR;
SNU R&DB Foundation, , KR;
Abstract
A hyper-branched polymer having a degree of branching in the range of about 0.05 to about 1 includes a dendritic unit, a linear unit, and a terminal unit, wherein the hyper-branched polymer, an electrode for a fuel cell including the hyper-branched polymer, an electrolyte membrane for a fuel cell including the hyper-branched polymer, and a fuel cell including at least one of the electrode and the electrolyte membrane. Such a hyper-branched polymer included in a fuel cell provides excellent thermal resistance and phosphoric acid resistance and increase the performance of the fuel cell.