Title:
POLYELECTROLYTE TYPE FUEL CELL AND MANUFACTURING METHOD OF ITS SEPARATOR PLATE
Document Type and Number:
Japanese Patent JP3751911
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a separator plate trouble-free by burrs which are brought about at the opening edge of the manifold hole of the separator plate and degrade the battery property causing interference with gas flow between the gas passage and the manifold hole.
SOLUTION: A step part, which is same as or deeper than the gas passage, is provided at the opening edge on the gas passage side of each manifold hole in the separator plate. It is desirable that the above step part has a taper so as to become deeper on the manifold hole side.
Inventors:
Shibata foundation
Hiroki Kusakabe
Kazuhito Hato
Nobuhiro Hase
Shinsuke Takeguchi
Shin Kobayashi
Hideo Ohara
Hiroki Kusakabe
Kazuhito Hato
Nobuhiro Hase
Shinsuke Takeguchi
Shin Kobayashi
Hideo Ohara
Application Number:
JP2002193103A
Publication Date:
March 08, 2006
Filing Date:
July 02, 2002
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H01M8/02; B29C43/02; H01M2/14; H01M8/10; H01M8/24; (IPC1-7): H01M8/02; H01M8/10
Domestic Patent References:
| JP2001006695A | ||||
| JP10032011A | ||||
| JP2003077498A |
Attorney, Agent or Firm:
Kazuo Ishii
Shinichi Kawasaki
Shinichi Kawasaki