Separator for fuel cell, process for production thereof, and solid polymer type fuel cell using said separator

   
   

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 .mu.m, 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.

Un separador para la célula de combustible, formado usando una materia prima obtenida de una composición que abarca por lo menos una carpeta, un llenador polvoriento del carbón que tiene un diámetro medio de la partícula de 10 nm al mu.m 100, y una fibra corta que tiene una longitud media de la fibra de 0.03 a 6 milímetros, en que composición el cociente de la cantidad de los tres componentes antedichos es tal que la cantidad del llenador polvoriento del carbón es 200 a 800 porciones al lado de peso y la cantidad de la fibra corta es 10 a 300 porciones al lado de peso, ambos por 100 porciones en peso de la carpeta.

 
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