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:
Apr. 26, 2005
Filed:
Nov. 08, 2000
Kazuhito Hatoh, Osaka, JP;
Junji Niikura, Hirakata, JP;
Hideo Ohara, Katano, JP;
Teruhisa Kanbara, Toyonaka, JP;
Kazuhito Hatoh, Osaka, JP;
Junji Niikura, Hirakata, JP;
Hideo Ohara, Katano, JP;
Teruhisa Kanbara, Toyonaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A polymer electrolyte fuel cell comprising a hydrogen-ion conductive polymer electrolyte membrane, an anode and a cathode sandwiching the hydrogen-ion conductive polymer electrolyte membrane, an anode-side conductive separator plate having gas flow channels for supplying a fuel gas to the anode, and a cathode-side conductive separator plate having gas flow channels for supplying an oxidant gas to the cathode, wherein the anode-side and cathode-side conductive separator plates have a substantially rectangular part in contact with the anode or cathode in which the length of a longer side is equal to or more than twice the length of a shorter side, and the oxidant gas flow channels have a linear part formed along the longer side of the rectangular part.