Patent ID: 6264857
Filing Date: 2001-07-24
Classification: C25B,H01M,Y02E

Abstract:
A proton conductor comprising an acid and a non-aqueous amphoteric material, wherein the acid is a high molecular weight or is a low molecular weight and/or polymeric acid, and wherein the amphoteric material is a low molecular weight amphoteric material having a molecular weight of .ltoreq.1000 g/mol and wherein the acid is present in an amount of from 1 to 99% by weight and wherein the amphoteric material is present in an amount of from 99 to 1% by weight, and wherein the proton conductor is thermally stable in a temperature range up to 400.degree. C. and has a proton conductivity of .gtoreq.10.sup.-5 S/cm in this temperature range.