Structures for gas diffusion materials and method for their...

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H01M 8/10 (2006.01) C25B 9/10 (2006.01) C25B 11/03 (2006.01) C25B 11/04 (2006.01) H01M 4/88 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2544993

The invention consists of an improved structure for gas diffusion electrodes and gas diffusion layers whereby fine gradients of porosity and hydrophobicity promote efficient gas transport, water removal and overall enhanced performance of Membrane Electrode Assemblies constructed with these components.

L'invention concerne une structure améliorée pour des électrodes et des couches de diffusion de gaz, selon laquelle de fins gradients de porosité et d'hydrophobicité favorisent un transport de gaz et une élimination d'eau efficaces ainsi que l'amélioration de la performance globale d'ensembles membrane-électrode fabriqués avec ces composants.

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