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:
Mar. 15, 2016
Filed:
Mar. 02, 2012
Shinsuke Takeguchi, Osaka, JP;
Shinsuke Takeguchi, Osaka, JP;
Abstract
A polymer electrolyte fuel cell according to the present invention includes: an electrolyte layer-electrode assembly (); a first separator (A) provided with a first reaction gas flowing region; and a second separator (B) provided with a second reaction gas flowing region. In the first separator (A), among one or more first turn portions (), at least one first turn portion () is provided with a first recess () and first projections (). In the second separator (B), among one or more second turn portions (), at least one second turn portion () is provided with a second recess () and second projections (). When seen in the thickness direction of the first separator (A), an overlap area is less than or equal to 5% of a gross area, the overlap area being a total overlap area between the first and second recesses (), the gross area being the total of the following areas: the area of all the first recesses (); and the area of all the second recesses ().