Electrode for electrochemical cell and electrochemical cell

Details Electrode for electrochemical cell and electrochemical cell Electrode for electrochemical cell and electrochemical cell

C - Chemistry, Metallurgy

25

B

C25B 11/04 (2006.01) C01B 3/56 (2006.01) C25B 1/02 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01) H01M 8/12 (2006.01)

Patent

CA 2544535

Electrodes for an electrochemical cell comprising a proton conductive electrolyte are characterized in that a solid substance having hydrogen permeability is used for at least one of the anode and cathode. Also disclosed is an electrolysis cell using such electrodes. By forming an electrode using a hydrogen permeable solid substance such as a perovskite composite conductive ceramic or a hydrogen storage alloy, the electrode overvoltage can be reduced.

Selon l'invention, des électrodes pour pile électrochimique contenant un électrolyte conducteur de protons sont caractérisées en ce qu'une substance solide possédant une perméabilité à l'hydrogène est utilisée avec l'anode ou la cathode. Cette invention a aussi trait à une cellule d'électrolyse utilisant de telles électrodes. La génération d'une électrode utilisant une substance solide perméable à l'hydrogène, telle qu'une céramique conductrice de composite de perovskite ou un alliage de stockage d'hydrogène permet de diminuer la surtension de l'électrode.

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