Basic polymer electrolyte fuel cell

Chemistry: electrical current producing apparatus – product – and – Having earth feature

Reexamination Certificate

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Details

C429S006000, C429S006000, C429S047000

Reexamination Certificate

active

06986962

ABSTRACT:
A fuel cell has a unit cell whose output is increased. A unit cell of a fuel cell includes a cathode electrode having a gas diffusion layer and an electrode catalyst layer. The electrode catalyst layer is made of carbon black carrying a Pt—Mn-based alloy such as a Pt—Mn alloy on its particle surface. For operating the fuel cell which includes the cathode electrode, it is preferable to make the pressure of an oxygen-containing gas supplied to the cathode electrode higher than the pressure of an hydrogen-containing gas supplied to an anode electrode to make the pressure at the cathode electrode higher than the pressure at the anode electrode.

REFERENCES:
patent: 5346780 (1994-09-01), Suzuki
patent: 5525436 (1996-06-01), Savinell et al.
patent: 5593934 (1997-01-01), Stonehart
patent: 6703152 (2004-03-01), Komiya et al.
patent: 2002/0045090 (2002-04-01), Oyanagi et al.

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