Electrolyte Membrane

Abstract

In an electrolyte membrane that is disposed between an electrolytic solution in an oxidation tank and a reduction electrode in a reduction tank in contact with the electrolytic solution and the reduction electrode, and is used in a carbon dioxide reduction device that performs a reduction reaction of carbon dioxide by bringing the carbon dioxide into direct contact with the reduction electrode, fibers are woven in a network shape inside the electrolyte membrane.

1 . An electrolyte membrane that is disposed between an electrolytic solution in an oxidation tank and a reduction electrode in a reduction tank in contact with the electrolytic solution and the reduction electrode, and is used in a carbon dioxide reduction device that performs a reduction reaction of carbon dioxide by bringing the carbon dioxide into direct contact with the reduction electrode, wherein fibers are woven in a network shape inside the electrolyte membrane. 
     
     
         2 . The electrolyte membrane according to  claim 1 , wherein the fibers includes
 triangular, square, or hexagonal network structure.   
     
     
         3 . The electrolyte membrane according to  claim 1 , wherein the oxidation tank performs an oxidation reaction of water by light energy using the electrolytic solution and an oxidation electrode of a semiconductor to be immersed in the electrolytic solution, and
 the reduction tank performs a reduction reaction of carbon dioxide using the reduction electrode connected to the oxidation electrode via a conductive wire and the carbon dioxide brought into direct contact with the reduction electrode.   
     
     
         4 . The electrolyte membrane according to  claim 1 , wherein the oxidation tank performs an oxidation reaction of water by electric energy using the electrolytic solution and an oxidation electrode of metal to be immersed in the electrolytic solution, and
 the reduction tank performs a reduction reaction of carbon dioxide using the reduction electrode connected to a source of the electric energy and carbon dioxide brought into direct contact with the reduction electrode.