Membrane, membrane electrode assembly, and water electrolysis apparatus
AssigneesInstitute of Science Tokyo, Nippon Kayaku Kabushiki Kaisha
InventorsTakeo Yamaguchi, Shoji Miyanishi, Rajith Illathvalappil
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Abstract
A membrane having excellent radical durability and low gas permeability, a membrane electrode assembly including the membrane, and a water electrolysis apparatus are provided. A membrane having a laminated structure including a layer B1, a layer A, and a layer B2 in this order, in which the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted, and each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.
Claims14
A membrane having a laminated structure comprising a layer B1, a layer A, and a layer B2 in this order, wherein,
- the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted;
- and,
- each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.
Dependencies are inferred from the claim text.