FUEL-CELL INSTALLATION, METHOD FOR ACTIVATING AND DEACTIVATING SAID INSTALLATION

摘要

The invention relates to a fuel-cell installation comprising: a reformer stage (1), which can be heated by a gas burner (8) in order to carry out the water-vapour reformation of hydrocarbon and water-vapour into hydrogen and additional reformer products; at least one conversion stage (2), which is connected downstream of the reformer stage (1) for the chemical preparation of the reformer products; and at least one fuel-cell stack (3), which is connected downstream of the conversion stage (2) and comprises a plurality of anodes (4) and cathodes (5) with corresponding supply and discharge connections (6, 7) for converting the hydrogen into water to generate an electric current and heat. According to the invention, the fuel-cell stack (3) is configured as a high-temperature fuel-cell stack with an operating temperature of between 100 DEG C and 200 DEG C, the conversion stage (2) is connected on the output side, without heat exchange, to the supply connection (6) of the anode (4) of the fuel-cell stack (3) and the discharge connection (7) of the anode (4) of the fuel-cell stack (3) is connected to an air supply connection (9) on the gas burner (8). According to the inventive method, during the activation and/or deactivation of the fuel-cell installation, the air that has flowed through the reformer stage (1) and the conversion stage (2) can be selectively supplied to the anode (4) of the fuel cell stack (3).