| abstract |
An object is to provide a proton conductive material having high proton conductivity, high strength, flexibility (resistant to deformation), and high size stability when swollen (water absorption), and a proton conductive membrane. Kind Code: A1 A proton conductive material formed by cross-linking a unit structure of a layered clay mineral, wherein a polyvalent metal ion is introduced between layers of the layered clay mineral. , And proton conductive membranes. [Selection diagram] None |