| 摘要 |
A separator for fuel cell, formed using a base material obtained from a composition comprising at least a binder, a powdery carbon filler having an average particle diameter of 10 nm to 100 mum, and a short fiber having an average fiber length of 0.03 to 6 mm, in which composition the amount ratio of the above three components is such that the amount of the powdery carbon filler is 200 to 800 parts by weight and the amount of the short fiber is 10 to 300 parts by weight, both per 100 parts by weight of the binder. The above fuel cell separator alleviates the problems of the prior art, has a strength necessary for separator even when made in a small thickness, generates no crack at the time of fuel cell assembling, and has high reliability.
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