High-temperature fuel cell power station having reduced...

Details High-temperature fuel cell power station having reduced... High-temperature fuel cell power station having reduced...

H - Electricity

01

M

H01M 8/06 (2006.01) C01B 3/24 (2006.01) H01M 8/12 (2006.01) H01M 8/14 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2420256

Fuel cell power stations have established themselves as methods for producing electricity, heat and hydrogen from fossil fuels. Up to now, the resulting CO2 can be liquefied and subsequently stored or deposited in beds only by using complicated techniques. According to the inventive method, the majority of the carbon, which is located inside the fuel that contains hydrocarbons, is converted into solid carbon before the actual electrochemical reaction inside the fuel cell. The solid carbon can then be easily passed out of the system and no longer presents any threat to the environment. The resulting carbon constitutes a valuable product, which can be utilized for other process steps or sold.

Les centrales électriques à piles à combustible utilisent pour produire du courant, de la chaleur et de l'hydrogène provenant de combustibles fossiles. Le CO¿2? dégagé à cette occasion ne pouvait jusqu'à présent être liquéfié que par technique complexe, puis être stocké ou être déposé dans des gisements. L'invention concerne un procédé qui permet de convertir la majeure partie du carbone situé dans le combustible contenant des hydrocarbures, en carbone solide avant la réaction électrochimique à proprement parler, dans la pile à combustible. Ce carbone solide peut ensuite être transféré aisément hors du système et ne présente alors plus de danger pour l'environnement. Le carbone dégagé constitue un produit de recyclable pouvant être utilisé pour d'autres étapes du processus ou être cédé.

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