Patent ID: 8785078
Filing Date: 2014-07-22
Classification: H01M,Y02E

Abstract:
1. A solid polymer electrolyte fuel cell comprising: a membrane electrode assembly; and a pair of gas separators sandwiching said membrane electrode assembly therebetween, wherein each of said pair of gas separators comprises a compact layer which is capable of preventing permeation of fluid and a porous layer which allows permeation of fluid, and said porous layer is impregnated with a water-soluble liquid having higher boiling point than that of water, a liquid flow path for transporting said water-soluble liquid having higher boiling point than that of water is provided in an interface between said compact layer and said porous layer, and/or in said porous layer, and said water-soluble liquid having higher boiling point than that of water is a dilute sulfuric acid.