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US 2003/0118885 A1Published application
Process of producing a polymer electrolyte membrane
AssigneeSumitomo Chemical Company, Limited
InventorsAtsushi Terahara, Shin Saito
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AssigneeSumitomo Chemical Company, Limited
InventorsAtsushi Terahara, Shin Saito
Estimating the term…
The object of the present invention is to provide a simple and convenient method of producing a polymer electrolyte membrane exhibiting high proton conductivity. This object is achieved by a method of producing a polymer electrolyte membrane comprising a step of coating a liquid containing a polymer electrolyte and a solvent onto a substrate and a step of removing the solvent, wherein the solvent is a mixture of a first solvent comprising at least one selected from alcohol and water, and a second solvent comprising a non-alcoholic organic solvent having a boiling point lower than that of the first solvent. The present invention further provides a method of improving the proton conductivity of a polymer electrolyte membrane comprising a step of coating a liquid containing a polymer electrolyte and a solvent onto a substrate and a step of removing the solvent, wherein the solvent is a mixed solvent comprising at least one solvent selected from alcohol and water, and a non-alcoholic.
A process of producing a polymer electrolyte membrane comprising a step of coating a liquid containing a polymer electrolyte and a solvent onto a substrate, and a step of removing the solvent, wherein the solvent is a mixture of a first solvent comprising at least one selected from alcohol and water, and a second solvent comprising a non-alcoholic organic solvent having a boiling point lower than that of the first solvent.
The method of enhancing the proton conductivity of a polymer electrolyte membrane comprising a step of coating a liquid containing a polymer electrolyte and a solvent onto a substrate, and a step of removing the solvent, wherein the solvent is a mixture of a first solvent comprising at least one selected from alcohol and water, and a second solvent comprising a non-alcoholic organic solvent having a boiling point lower than that of the first solvent.
A polymer electrolyte membrane obtained by process comprising a step of coating a liquid containing a polymer electrolyte and a solvent onto a substrate, and a step of removing the solvent, wherein the solvent is a mixture of a first solvent comprising at least one selected from alcohol and water, and a second solvent comprising a non-alcoholic organic solvent having a boiling point lower than that of the first solvent.
Dependencies are inferred from the claim text.