Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2007-05-22
2007-05-22
Bell, Bruce F. (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000, C429S006000, C429S006000
Reexamination Certificate
active
10685698
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.
REFERENCES:
patent: 5750281 (1998-05-01), Washington et al.
patent: 1 020 941 (2000-07-01), None
patent: 10074527 (1998-03-01), None
patent: WO 01/80339 (2001-10-01), None
Hase Nobuhiro
Hatoh Kazuhito
Kokawa Katsuzou
Kusakabe Hiroki
Matsumoto Toshihiro
Bell Bruce F.
Matsushita Electric - Industrial Co., Ltd.
McDermott Will & Emery LLP
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