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. 17, 2007
Filed:
Feb. 08, 2001
Hideo Ohara, Katano, JP;
Toshihiro Matsumoto, Ibaraki, JP;
Yasushi Sugawara, Higashiosaka, JP;
Masayo Sugou, Legal Representative, Tokyo, JP;
Junji Niikura, Hirakata, JP;
Kazuhito Hatoh, Osaka, JP;
Teruhisa Kanbara, Toyonaka, JP;
Hideo Ohara, Katano, JP;
Toshihiro Matsumoto, Ibaraki, JP;
Yasushi Sugawara, Higashiosaka, JP;
Masayo Sugou, legal representative, Tokyo, JP;
Junji Niikura, Hirakata, JP;
Kazuhito Hatoh, Osaka, JP;
Teruhisa Kanbara, Toyonaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A polymer electrolyte fuel cell comprising: a plurality of conductive separator plates, each comprising a corrugated metal plate; an electrolyte membrane-electrode assembly inserted between the separator plates, the electrolyte membrane-electrode assembly including a hydrogen-ion conductive polymer electrolyte membrane having its periphery covered with a gasket, an anode attached to one side of the electrolyte membrane, and a cathode attached to the other side of the electrolyte membrane; and gas charge and discharge device for charging and discharging a fuel gas and an oxidant gas to and from the anode and the cathode, respectively, wherein the gas charge and discharge device charges and discharges the fuel gas to and from the anode through the grooves on one side of the corrugated metal plate and charges and discharges the oxidant gas to and from the cathode through the grooves on the other side of the corrugated metal plate.