Yokohama National University

De Nora Permelec Ltd

National University Corporation Yokohama National University

Yasutomo Takakuwa

Shigenori Mitsushima

Akihiro Kato

Yoshinori Nishiki

Akiyoshi Manabe

Yasushi Sato

Shinji Oshima

Awaludin Zaenal

Kota Miyoshi

Kojiro Nakagawa

To provide an electrolysis cell for producing an organic chemical hydride capable of advancing a reduction reaction in a cathode of an organic compound having an unsaturated bond with high current efficiency and a small electric power consumption unit. An electrolysis cellfor producing an organic chemical hydride includes a solid polymer electrolyte filmwhich has proton conductivity; a cathodewhich is provided on one surface of the solid polymer electrolyte filmand generates a hydride by reducing a substance to be hydrogenated; a cathode chamberwhich accommodates the cathodeand to which the substance to be hydrogenated is supplied; an electrode catalyst-containing anodewhich is provided on another surface of the solid polymer electrolyte filmand generates a proton by oxidizing water; and an anode chamberwhich accommodates the anodeand to which an electrolytic solution is supplied, in which at least one of a surface of the cathodeside and a surface of the anodeside of the solid polymer electrolyte filmis hydrophilized.

Electrolytic cell for production of organic chemical hydrides

An organic hydride production apparatus that enables the reduction reaction at the cathode of an organic compound having an unsaturated bond to proceed at high current efficiency and at a low electric power consumption rate, and a method for producing an organic hydride that uses this production apparatus. The production apparatus includes a solid polymer electrolyte membrane having proton conductivity, a cathode which is provided on one surface of the solid polymer electrolyte membrane and generates a hydride by reducing a substance to be hydrogenated, a cathode chamber which houses the cathode and is supplied with the substance to be hydrogenated, an electrode catalyst-containing anode which is provided on the other surface of the solid polymer electrolyte membrane and generates protons by oxidizing water, and an anode chamber which houses the anode and is supplied with an electrolytic solution, wherein the substance to be hydrogenated is supplied from the lower end of the cathode chamber, the production apparatus has a hydride outlet through which the product and the like is discharged from the upper end of the cathode chamber, and at least one partition with a width of not less than 0.1 mm is formed inside the cathode camber.

Apparatus for producing organic hydride and method for producing organic hydride using same

An anode for oxygen evolution that operates at a small overpotential and in a stable manner, and can be used favorably in an organic chemical hydride electrolytic synthesis apparatus. An anodefor oxygen evolution that evolves oxygen in a sulfuric acid aqueous solution containing a substance to be hydrogenated dissolved at a concentration higher than 1 mg/L, wherein an anode substrateis composed of a valve metal, and an anode catalyst layercontaining at least one oxide, nitride or carbide of iridium, and at least one oxide, nitride or carbide of at least one metal selected from the group consisting of elements belonging to groups 4, 5 and 13 of the periodic table is formed on the surface of the anode substrate

Oxygen-generating anode

A device for producing an organic hydrideof an aspect of the present invention has an electrochemical cell provided with an anodeon a surface of an electrolyte membraneand a cathode including a cathode catalyst layerand a cathode diffusion layeron another surface of the electrolyte membrane. A gap is provided between the anodeand the electrolyte membrane. The anodehas a network structure with an aperture ratio of 30 to 70%, and has an electrical supply supporting material formed of an electronic conductor and the electrode catalyst held by the electrical supply supporting material.

Device for manufacturing organic hydride

Growing community of inventors

Yokohama, Japan

Yasutomo Takakuwa