| 摘要 |
A fuel cell system is provided having at least one switching means ( 16, 17, 18 ) for reversing the direction of a flow of at least one working medium in a fuel cell unit ( 10 ), with the fuel cell unit ( 10 ) having a cathode ( 11 ), an anode ( 12 ) and a cooling water device ( 13 ) in a housing ( 26 ). Advantageously more reliable operation with less component complexity is made possible by the switching means ( 16, 17, 18 ) being arranged outside the housing ( 26 ).
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