H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/16 (2006.01) H01M 4/90 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2475062
The invention relates to a proton exchange membrane fuel cell comprising: - a cathodic compartment comprising 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, said anodic and cathodic compartments being arranged at either end of said membrane, said cell being characterised in that said enzyme catalyst of the cathodic compartment is an oxidoreductase type enzyme, said enzyme being capable of catalysing the reduction of oxygen into hydrogen peroxide, said hydrogen peroxide fulfilling the role of direct acceptor of the electrons from the cathode.
L'invention concerne une pile ô combustible ô membrane échangeuse de protons comprenant : - un compartiment cathodique comprenant une cathode, un oxydant constitué par de l'oxygène et au moins un catalyseur enzymatique ;- un compartiment anodique comprenant une anode, un combustible et au moins un catalyseur, lesdits compartiments anodique et cathodique étant disposés de part et d'autre de ladite membrane, ladite pile étant caractérisée en ce que ledit catalyseur enzymatique du compartiment cathodique est une enzyme de type oxydoréductase, ladite enzyme étant apte ô catalyser l'oxydation d'un substrat adéquat et la réduction de l'oxygène en peroxyde d'hydrogène, ledit peroxyde d'hydrogène remplissant le rôle d'accepteur direct des électrons provenant de la cathode.
Bergel Alain
Feron Damien
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