Fuel cell

Details Fuel cell Fuel cell

2011-07-12

2011-07-12

Ruddock, Ula C (Department: 1729)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Grouping of fuel cells into stack or module

C429S457000, C429S507000, C429S508000, C429S514000

Reexamination Certificate

active

07977003

ABSTRACT:
A power generation cell includes an anode side seal member and a cathode side seal member. The anode side seal member is provided outside an anode of a membrane electrode assembly, and directly contacts a solid polymer electrolyte membrane. The cathode side seal member is provided outside the membrane electrode assembly. A space is formed between the anode side seal member and the cathode side seal member. First ribs are formed integrally with the anode side seal member. The first ribs protrude toward the space. Further, second ribs are formed integrally with the cathode side seal member. The second ribs protrude toward the space. The first ribs and the second ribs are arranged alternately.

REFERENCES:
patent: 4225654 (1980-09-01), Tajima et al.
patent: 6692860 (2004-02-01), Inoue et al.
patent: 2004/0023090 (2004-02-01), Pearson et al.
patent: 2004/0121215 (2004-06-01), Fujii et al.
patent: 2002-25587 (2002-01-01), None
patent: 2003-157867 (2003-05-01), None
patent: 2004-103255 (2004-04-01), None
patent: 2005-071955 (2005-03-01), None
Japanese Office Action for Application No. 2004-305151, dated Jul. 14, 2009.

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