Invention Grant
US08192893B2 Membrane-membrane reinforcing membrane assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell 有权
膜 - 膜增强膜组件,膜 - 催化剂层组件,膜 - 电极组件和聚合物电解质燃料电池

Membrane-membrane reinforcing membrane assembly, membrane-catalyst layer assembly, membrane-electrode assembly, and polymer electrolyte fuel cell
Abstract:
A membrane-membrane reinforcing member assembly includes: a polymer electrolyte membrane (1) having a substantially square shape; a pair of membrane-like first membrane reinforcing members (10a) disposed on one main surface of the polymer electrolyte membrane (1) so as to extend along a pair of opposed sides, respectively, of four sides of said one main surface; and a pair of membrane-like second membrane reinforcing members (10b) disposed on another main surface of the polymer electrolyte membrane (1) so as to extend along a pair of opposed sides, respectively, of four sides of said another main surface, wherein: portions of the polymer electrolyte membrane (1) at which portions the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) are disposed are concave; and the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) are disposed such that main surfaces thereof are exposed, and the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) surround a peripheral portion of the polymer electrolyte membrane (1) as a whole.
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