Method for electrochemically producing hydrogen peroxide

Details Method for electrochemically producing hydrogen peroxide Method for electrochemically producing hydrogen peroxide

C - Chemistry, Metallurgy

25

B

C25B 1/30 (2006.01)

Patent

CA 2423467

The invention relates to a method for electrochemically producing hydrogen peroxide, especially for producing an aqueous hydrogen peroxide solution, by electrochemically reacting oxygen and hydrogen in a fuel cell. The H2O2 concentration of the cathodically obtained aqueous hydrogen peroxide solution can be substantially increased by increasing the thickness of the membrane layer of a membrane-electrode assembly (MEA) of the fuel cell.

L'invention concerne un procédé de production électrochimique de peroxyde d'hydrogène, notamment d'une solution aqueuse de peroxyde d'hydrogène, selon lequel de l'oxygène et de l'hydrogène sont mis en réaction électrochimique dans une pile à combustible. Selon l'invention, l'augmentation de l'épaisseur de la couche membraneuse d'une unité électrode-membrane (MEA) de la pile à combustible permet une élévation sensible de la concentration de H2O2 dans la solution aqueuse de peroxyde d'hydrogène obtenue cathodiquement.

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