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. 27, 2013
Filed:
Mar. 11, 2009
Applicants:
Soo-kil Kim, Seoul, KR;
Jae Hyung Cho, Seoul, KR;
Heung Yong Ha, Seoul, KR;
IN Hwan OH, Seoul, KR;
Tae Hoon Lim, Seoul, KR;
Suk-woo Nam, Seoul, KR;
Seong Ahn Hong, Seoul, KR;
Inventors:
Soo-Kil Kim, Seoul, KR;
Jae Hyung Cho, Seoul, KR;
Heung Yong Ha, Seoul, KR;
In Hwan Oh, Seoul, KR;
Tae Hoon Lim, Seoul, KR;
Suk-woo Nam, Seoul, KR;
Seong Ahn Hong, Seoul, KR;
Assignee:
Korea Institute of Science & Technology, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A membrane-electrode assembly (MEA) is prepared by a low-temperature transfer method. A binder-free carbon layer is formed on a transfer substrate so as to avoid decreased performance due to the formation of a skin layer caused by the interfacial segregation of the ionomer or binder.