H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) H01M 4/86 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2607842
The invention relates to a gas diffusion layer comprising at least two functional areas (2a, 2b) actively connected to each other, wherein the first area (2a) has a porous structure and the second area (2b) is embodied in the form of a stabilisation area. The aim of said invention is to develop a system which makes it possible to provide a reliable operation of a fuel cell by optimising the efficiency thereof with the aid of the gas diffusion layer. For this purpose, a system comprising two gas diffusion layers and a method for producing a gas diffusion layer are also disclosed.
L'invention concerne une couche de diffusion gazeuse comprenant au moins deux zones fonctionnelles (2a, 2b) en interaction. La première zone (2a) comporte une structure poreuse et la seconde zone (2b) se présente sous forme de zone de stabilisation. L'invention vise à mettre au point un système permettant de fournir un fonctionnement fiable d'une pile à combustible, avec optimisation du rendement et y parvient, par le biais de la couche de diffusion gazeuse. L'invention concerne en outre, à cet effet, un système comprenant deux couches de diffusion gazeuse, ainsi qu'un procédé pour produire la couche de diffusion gazeuse.
Bock Achim
Helmbold Axel
Reibel Denis
Salama Karim
Wagener Silke
Borden Ladner Gervais Llp
Carl Freudenberg Kg
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