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. 22, 2007
Filed:
Oct. 16, 2003
Hideo Ohara, Katano, JP;
Kazuhito Hatoh, Osaka, JP;
Nobuhiro Hase, Mino, JP;
Hiroki Kusakabe, Sakai, JP;
Katsuzou Kokawa, Nara, JP;
Takayuki Urata, Hyogo, JP;
Toshihiro Matsumoto, Takatsuki, JP;
Shinsuke Takeguchi, Osaka, JP;
Soichi Shibata, Hirakata, JP;
Hideo Ohara, Katano, JP;
Kazuhito Hatoh, Osaka, JP;
Nobuhiro Hase, Mino, JP;
Hiroki Kusakabe, Sakai, JP;
Katsuzou Kokawa, Nara, JP;
Takayuki Urata, Hyogo, JP;
Toshihiro Matsumoto, Takatsuki, JP;
Shinsuke Takeguchi, Osaka, JP;
Soichi Shibata, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A separator plate for a polymer electrolyte fuel cell having excellent conductivity and moldability is provided. The separator plate is injection molded, using different compounds for molding the portion that requires conductivity and the portion that does not require conductivity. The separator plate comprises: an electronic conductor portion containing conductive carbon; and an insulating portion surrounding the electronic conductor portion. The electronic conductor portion has a first flow channel of a gas or cooling water on one side and has a second flow channel of a gas or cooling water on the other side.