Avl List Gmbh

Raphael Neubauer

Thomas Strasser-krauss

Robert Pöschl

Nikolaus Soukup

Julian Makinson

Matthias Lerch

Michael Seidl

Bhargav Pandya

Robert PÖSCHL

Markus Goll

The present invention relates to a protective reformer device () for the protection of an anode section () of a fuel cell stack () against oxidizing damage during a heating-up process, having a gas duct () with a gas inlet () and a gas outlet () for conducting fuel gas from an anode feed section () of the fuel cell stack (), wherein a catalytic converter section () is arranged in the gas duct () for a catalytic oxidation of at least part of the fuel gas into a protective gas for feeding to the anode section (), wherein, furthermore, the gas duct () has a temperature control device () in thermally transmitting contact with the catalytic converter section () for an active temperature control of the catalytic converter section ().

Protective reformer device for the protection of an anode section of a fuel cell stack

The invention relates to a fuel cell system () comprising at least one fuel cell stack () having an anode section () and a cathode section (), an ejector (), a fuel mixture line () for conveying a fuel mixture—containing primary fuel and secondary fuel—from the ejector () to the anode section (), a primary fuel line () for supplying the primary fuel to the ejector (), and a recirculation line () for returning the secondary fuel from the anode section () to the ejector (), wherein at least sections of the primary fuel line () extend through a heat exchange volume () within the recirculation line () for a heat-transmitting connection between the secondary fuel and the primary fuel.

Fuel cell system

The present invention relates to a fuel cell system () comprising: at least one fuel cell stack () with an anode portion () and a cathode portion (); a reformer-heat exchanger () with a cold side which is upstream of the anode portion () and forms a reformer () and a hot side which is downstream of the cathode portion () and forms a heat exchanger (); and an afterburner () downstream of the heat exchanger () for combusting anode exhaust gas from the anode portion () and/or cathode exhaust gas from the cathode portion (), the heat exchanger () being situated directly downstream of the cathode portion () and being in fluid communication with the cathode portion () by means of a cathode exhaust gas line () in order for the cathode exhaust gas to be fully conducted through the heat exchanger (). The invention also relates to a method for controlling the temperature of a fuel cell system () according to the invention.

Fuel cell system and method for controlling the temperature of a fuel cell system

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Graz, Austria

Raphael Neubauer