Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Biochemical fuel cell
Reexamination Certificate
2011-01-25
2011-01-25
Ruddock, Ula C. (Department: 1729)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Biochemical fuel cell
C429S485000, C429S492000, C429S527000, C435S174000
Reexamination Certificate
active
07875394
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.
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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, Vo. 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, XP02221001.
International Application No. PCT/FR2003/000354, English Translation of International Preliminary Examination Report dated Feb. 9, 2005.
Bergel Alain
Feron Damien
Centre National de la Recherche Scientifique
Commissariat a l''Energie Atomique
Parsons Thomas H.
Pearne & Gordon LLP
Ruddock Ula C.
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