Patent ID: 8163432
Filing Date: 2012-04-24
Classification: H01M,Y02E

Abstract:
1. A fuel cell comprising: a laminated body comprising at least a membrane electrode assembly which includes: an electrolyte membrane, an anode catalyst layer arranged on one surface of the electrolyte membrane, and a cathode catalyst layer arranged on the other surface of the electrolyte membrane; and a pair of separators sandwiching the laminated body, wherein, along the laminated body side surface of at least one separator, an inlet passage is provided for getting through a reaction gas supplied to the laminated body and an outlet passage is provided for getting through a reaction gas having passed through the laminated body; the inlet passage is blocked at a downstream end of the reaction gas being supplied to the laminated body and the outlet passage is blocked at an upstream end of the reaction gas having passed through the laminated body; the inlet passage and the outlet passage are arranged separately from each other along the separator; and the depth of the upstream region of the inlet passage is larger than that of the downstream region of the inlet passage.