Fuel cell using in the cathode compartment and optionally in...

Details Fuel cell using in the cathode compartment and optionally in... Fuel cell using in the cathode compartment and optionally in...

2003-02-05

2010-02-02

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S006000

Reexamination Certificate

active

07655345

ABSTRACT:
A proton exchange membrane fuel cell comprises an cathodic compartment including a cathode, an oxidant consisting of oxygen and at least one enzyme catalyst, an anodic compartment comprising an anode, a fuel and at least one catalyst. The anodic and cathodic compartments are arranged at either end of the membrane. The cell is characterized in that the enzyme catalyst of the anodic compartment is an oxidoreductase type enzyme capable of catalyzing the reduction of oxygen into hydrogen peroxide and the hydrogen peroxide is a direct receptor of the electrons from the cathode.

REFERENCES:
patent: 6294281 (2001-09-01), Heller
patent: 6500571 (2002-12-01), Liberatore et al.
patent: WO 00 22688 (2000-04-01), None
Patent Abstracts of Japan, vol. 006, No. 147 (E-123), Aug. 6, 1982 & JP 57 069668 A (Matsushita Electric Ind. Co. Ltd., Apr. 28, 1982.
G. Tayhas et al.: “Electro-Enzymatic Reduction of Dioxagen to Water in the Cathode Compartment of a Biofuel Cell”, Journal of Electroanalytical Chemistry, vol. 464, 1999, pp. 110-117, XP002221000.
E. Katz et al.: “A Biofuel Cell Based on Two Immiscible Solvents and Glucose Oxidase and Microperoxidase-11 Monolayer-Functionalized Electrodes”, New Journal of Chemistry, 1999, pp. 481-487, XP002221001.

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