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. 31, 2016
Filed:
Mar. 02, 2010
Kah-young Song, Suwon-si, KR;
Hee-tak Kim, Suwon-si, KR;
Sung-yong Cho, Suwon-si, KR;
Sang-il Han, Suwon-si, KR;
Myoung-ki Min, Suwon-si, KR;
Geun-seok Chai, Suwon-si, KR;
Tae-yoon Kim, Suwon-si, KR;
Kah-Young Song, Suwon-si, KR;
Hee-Tak Kim, Suwon-si, KR;
Sung-Yong Cho, Suwon-si, KR;
Sang-Il Han, Suwon-si, KR;
Myoung-Ki Min, Suwon-si, KR;
Geun-Seok Chai, Suwon-si, KR;
Tae-Yoon Kim, Suwon-si, KR;
SAMSUNG SDI CO., LTD., Suwon-si, Gyeonggi-do, KR;
Abstract
A membrane-electrode assembly (MEA) for a fuel cell includes a fuel cell electrolyte membrane, an anode disposed at a first side of the electrolyte membrane, and a cathode disposed at a second side of the electrolyte membrane, wherein the cathode has a thickness and an area, the cathode area extending in a plane substantially parallel to a major surface of the electrolyte membrane, the cathode area includes a central area and a peripheral area, the peripheral area extending to lateral edges of the cathode, the central area includes hydrophilic portions and hydrophobic portions, the peripheral area includes hydrophilic portions and hydrophobic portions, and the central area is more hydrophobic than the peripheral area.