Current source with series connected cells

Details Current source with series connected cells Current source with series connected cells

H - Electricity

01

M

H01M 10/02 (2006.01) H01M 6/42 (2006.01) H01M 6/50 (2006.01) H01M 8/02 (2006.01) H01M 8/04 (2006.01) H01M 8/24 (2006.01) H01M 10/42 (2006.01)

Patent

CA 2398727

The invention relates to several cells for current generation, especially fuel cells that are connected in series. Diodes are connected in parallel to said fuel cells in such a way that current (I) generated by the fuel cells cannot cause any short circuit. If one of the cells fails as a result of a defect, the current flows through a parallel-connected diode due to the fact that the diodes then form the low ohmic resistance. In case of a failure, this makes it possible to automatically short-circuit the defective cells in a simple and economical manner.

L'invention concerne plusieurs cellules destinées à la production de courant, notamment des piles à combustible qui sont montées en série. Des diodes sont montées en parallèle aux piles à combustible de telle façon que le courant (I) produit par les piles à combustible ne provoquent aucun court-circuit. Si une pile fait défaut en raison d'une défaillance, le courant circule alors par une diode parallèle, la diode constituant une résistance ohmique plus faible. Cela permet de court-circuiter <= automatiquement >= des piles défecteuses en cas de défaillance et ce, de façon simple et économique.

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