Fuel cell system

Details Fuel cell system Fuel cell system

H - Electricity

01

M

H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2429075

A prior art fuel cell system is comprised of a stack of fuel cells each having at least one membrane electrode assembly (MEA) and an associated bipolar plate. In order to improve the operational properties, the invention provides that the MEA (10, 20), with the provision of bipolar plates (15; 21, 22), is structured as a self-supporting assembly. A assembly of this type is suited for a proton exchange membrane (PEM) fuel cell, especially a high-temperature proton exchange membrane (HT-PEM) fuel cell.

L'ensemble pile à combustible classique comporte une pile de cellules à combustibles, chaque cellule possédant une unité membrane-électrode et une plaque bipolaire associée. Selon la présente invention, pour améliorer les propriétés d'utilisation, l'unité membrane-électrode (10, 20) est conçue à l'aide de plaques bipolaires (15 ; 21, 22) en tant qu'unité autonome. Une unité selon la présente invention est adaptée pour une cellule à combustible à membrane échangeuse de protons, en particulier à membrane échangeuse de protons à haute température.

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