Method for the production of an electrochemical cell

Details Method for the production of an electrochemical cell Method for the production of an electrochemical cell

H - Electricity

01

M

H01M 8/02 (2006.01)

Patent

CA 2724586

The present invention relates to a new method for the production of electrochemical cells, in particular individual cells for fuel cells and stacks as well as components and semi-finished parts required for this purpose. The gas diffusion layer is fixed on the bipolar plate by constructional measures and thus an improved positioning of the individual components of an electrochemical cell, in particular an individual cell for fuel cells is achieved. The method according to the invention allows for a flexible production. The semi-finished parts according to the invention are valuable, storable intermediate products which substantially reduce the lead times in the production of electrochemical cells, in particular individual cells for fuel cells.

La présente invention porte sur un nouveau procédé de fabrication de piles électrochimiques, en particulier de piles individuelles pour piles à combustible et empilements, ainsi que sur des composants et des produits semi-finis requis dans ce but. La couche de diffusion de gaz est fixée sur la plaque bipolaire par des mesures de construction et, ainsi, un positionnement amélioré des composants individuels d'une pile électrochimique, en particulier dune pile individuelle pour piles à combustible, est obtenu. Le procédé selon l'invention permet une production flexible. Les produits semi-finis selon l'invention sont des produits intermédiaires utiles, stockables, qui réduisent sensiblement les délais d'obtention dans la fabrication de piles électrochimiques, en particulier de piles individuelles pour piles à combustible.

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