Fuel cell unit for users connected to a rechargeable battery

Details Fuel cell unit for users connected to a rechargeable battery Fuel cell unit for users connected to a rechargeable battery

H - Electricity

01

M

H01M 16/00 (2006.01) H01M 8/24 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2427142

Fuel cell units are suitable for continuous energy supply to electrical users in a particular manner. Particularly for the application in motor vehicles the above can either be the drive for an electric motor and/or also the supply of other electrical users. According to the invention, a fuel cell module (10) only delivers the electrical energy to a rechargeable battery (5) and not directly to the user (1). The fuel cell module (10) can thus be permanently held at the optimal operating point thereof. Said fuel cell module (10) preferably comprises HT-PEM fuel cells, which in contrast to PEM fuel cells work at a higher temperature, in particular in the range 120 ~C to 200 ~C.

Les dispositifs de piles à combustible sont particulièrement adaptés à l'alimentation continue en énergie de récepteurs électriques. Dans le cas d'une automobile, lesdits dispositifs peuvent notamment constituer l'entraînement de moteurs électriques et/ou l'alimentation d'autres récepteurs électriques. Selon l'invention, un module de piles à combustible (10) fournit l'énergie électrique uniquement à la batterie rechargeable (5) et non directement aux récepteurs (1). Ainsi, ledit module de piles à combustible (10) peut constamment être maintenu au niveau de fonctionnement idéal. Le module de piles à combustible (10) selon l'invention contient de préférence des piles à combustibles HT-PEM fonctionnant à des températures supérieures par rapport aux piles à combustible PEM, en particulier dans la gamme de 120 ·C à 200 ·C.

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