| 摘要 |
A fuel cell includes a membrane electrode assembly 21 and a bipolar plate 24 disposed outside the membrane electrode assembly 21. The bipolar plate 24 is porous, and has first gas passages 33 formed on the top surface through which gas is passed, second gas passages 35 formed on the undersurface through which gas is passed, communicating passages 34 which allow the first gas passages 33 and second gas passages 35 to communicate, a gas inlet 31 connected to one of the first gas passages 33 and second gas passages 35 for supplying gas, and a gas outlet 37 connected to the other of the first gas passages 33 and second gas passages 35 for discharging gas.
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