Patent ID: 6872482

Claim:
A low-temperature fuel cell assembly comprising: a fuel cell having an anode and a sweeping gas circuit for fuel gas, said sweeping gas circuit having a gas flow direction and being connected to an inlet and an outlet of the anode; a fuel supply means connected to said sweeping gas circuit via a physical separation device ( 5 ); producing means ( 8 , 9 ; 18 , 19 ) being arranged in the sweeping gas circuit for producing sweeping gas therein, the producing means ( 8 , 9 ; 18 , 19 ) comprising chemical reactor means having an inlet for one component of a chemical reaction to produce the sweeping gas and to convert carbon monoxide to carbon dioxide, said chemical reactor means arranged upstream, in the direction of said gas flow, of said anode and downstream of said physical separation device, wherein the sweeping gas circuit is provided with a sweeping gas discharge ( 12 ).