DEVICE AND METHOD FOR CLEANING WASTE GASES FOR A DIRECT ALCOHOL FUEL CELL OR FOR A FUEL CELL STACK CONSTRUCTED THEREFROM

Device for purifying waste gas comprises: a feed line (1) for introducing an oxidant into a cathode chamber of a fuel cell; a removal line (2) for removing waste gas from the fuel cell; a region containing the feed line and the removal line separated by a porous layer (3); and a catalyst (4) applied...

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Bibliographic Details
Main Authors DOHLE, HENDRIK, MERGEL, JUERGEN
Format Patent
LanguageEnglish
French
German
Published 18.08.2004
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
SEPARATION
TRANSPORTING
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Summary:Device for purifying waste gas comprises: a feed line (1) for introducing an oxidant into a cathode chamber of a fuel cell; a removal line (2) for removing waste gas from the fuel cell; a region containing the feed line and the removal line separated by a porous layer (3); and a catalyst (4) applied on the surface of the porous layer directed toward the removal line. An Independent claim is also included for a process for operating a direct-alcohol fuel cell or direct-alcohol fuel cell stack using the above device. Preferred Features: The porous layer is formed as a water-permeable membrane. The porous layer is oxygen-permeable. The catalyst is used in the conversion of methanol.
Bibliography:Application Number: EP20020794954