Integrated biomass gasification and fuel cell system

Details Integrated biomass gasification and fuel cell system Integrated biomass gasification and fuel cell system

H - Electricity

01

M

H01M 8/16 (2006.01) C10J 3/54 (2006.01) C10J 3/56 (2006.01)

Patent

CA 2453854

An integrated biomass gasification and fuel cell system (12) wherein the electrochemical reaction in the fuel cell is affected by providing the reactant gases from a gasifier (10). Fuel gas from the gasifier (10) is directed to the anode (14) of the fuel cell (12) and at least a portion of the exhaust gas from the anode (14) is directed to the combustor (18). The portion of the exhaust gas from the anode (14) is then combusted to recover residual energy to increase the overall efficiency of integrated biomass gasification and fuel cell system (12). Also , the oxidant gas from the combustor (18) may be directed to the cathode (16) of the fuel cell.

L'invention concerne un système (12) intégré de gazéification de biomasse et de pile à combustible, dans lequel la réaction électrochimique ayant lieu dans la pile à combustible est mise en oeuvre par un apport de gaz réactifs provenant d'un gazéificateur (10). Le gaz combustible provenant du gazéificateur (10) est dirigé vers l'anode (14) de la pile (12) à combustible, et au moins une partie du gaz d'échappement provenant de l'anode (14) est dirigé vers la chambre de combustion (18). La partie du gaz d'échappement provenant de l'anode (14) est ensuite brûlée afin de récupérer l'énergie résiduelle et accroître ainsi l'efficacité globale du système (12) intégré de gazéification de biomasse et de pile à combustible. De plus, le gaz oxydant provenant de la chambre de combustion (18) peut être dirigé vers la cathode (16) de la pile à combustible.

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