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. 22, 2014
Filed:
Dec. 29, 2010
Jin-hwa Lee, Yongin-si, KR;
Chi-seung Lee, Yongin-si, KR;
Seong-jin an, Yongin-si, KR;
Sang-il Han, Yongin-si, KR;
Kah-young Song, Yongin-si, KR;
Jin-Hwa Lee, Yongin-si, KR;
Chi-Seung Lee, Yongin-si, KR;
Seong-Jin An, Yongin-si, KR;
Sang-Il Han, Yongin-si, KR;
Kah-Young Song, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A fuel cell stack includes: a plurality of membrane-electrode assemblies; first and second end plates respectively positioned outside outermost ones of the membrane-electrode assemblies; and a plurality of separators respectively positioned between the membrane-electrode assemblies and between the outermost ones of the membrane-electrode assemblies and the first and second end plates. The first end plate includes an oxidizing agent inlet, an oxidizing agent outlet, and a moisture supplying flow path connecting the oxidizing agent inlet and the oxidizing agent outlet. The moisture supplying flow path includes a first end portion adjacent to the oxidizing agent outlet and a second end portion adjacent to the oxidizing agent inlet, the first end portion being larger than the second end portion and being a different distance away from a surface of the first end plate facing away from the second end plate than the second end portion.