| 摘要 |
A fuel cell which includes: a membrane electrode assembly ( 7 ) including an electrolyte membrane ( 1 ) and a pair of porous electrodes ( 3, 5 ) provided on both sides of the electrolyte membrane ( 1 ); and first and second separators ( 9,11 ) sandwiching the membrane electrode assembly ( 7 ). Each of the first and second separators ( 9, 11 ) is formed to have, on its surface opposite to the membrane electrode assembly ( 1 ), a gas flow path ( 17,19 ) and a rib ( 21, 23 ) defining the gas flow path ( 17, 19 ). The rib ( 21, 23 ) of at least one of the first and second separators ( 9,11 ) is provided with a projection ( 25 ) for pressing the porous electrode ( 3, 5 ).
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