▎ 摘　　要

NOVELTY - An electrochemical-type hydrogen pump (10) comprises an electrolyte membrane-electrode assembly (36) in which an electrolyte membrane (50) having hydrogen ion conductivity is arranged between an anode (52) and a cathode (54), an anode separator (38) and a cathode separator (40) arranged on both sides of the electrolyte membrane-electrode assembly, and electrochemically pressurizing the hydrogen gas supplied to the anode to generate hydrogen gas at the cathode at a pressure higher than that of the hydrogen gas. An electrochemical cell (12) comprising a flow channel component (42) is provided between the anode and the anode separator and having a hydrogen gas channel (66) for guiding the hydrogen gas to the anode, a flow channel component (44) is provided between the anode and the flow channel component (42), and formed with a water channel (84) through which liquid water for humidifying the hydrogen gas and cooling the electrolyte membrane. USE - Electrochemical-type hydrogen pump used in differential pressure type high-pressure water electrolysis apparatus for generating high pressure hydrogen. ADVANTAGE - The electrochemical-type hydrogen pump suppresses the drying of the electrolyte membrane. DETAILED DESCRIPTION - An electrochemical-type hydrogen pump (10) comprises an electrolyte membrane-electrode assembly (36) in which an electrolyte membrane (50) having hydrogen ion conductivity is arranged between an anode (52) and a cathode (54), an anode separator (38) and a cathode separator (40) arranged on both sides of the electrolyte membrane-electrode assembly, and electrochemically pressurizing the hydrogen gas supplied to the anode to generate hydrogen gas at the cathode at a pressure higher than that of the hydrogen gas. An electrochemical cell (12) comprising a flow channel component (42) is provided between the anode and the anode separator and having a hydrogen gas channel (66) for guiding the hydrogen gas to the anode, a flow channel component (44) is provided between the anode and the flow channel component (42), and formed with a water channel (84) through which liquid water for humidifying the hydrogen gas and cooling the electrolyte membrane is circulated. A porous material (110) is provided between the flow channel components (42) and (44), for allowing the hydrogen gas to flow from the hydrogen gas flow channel to the water channel and prevents the flow of liquid water, and a porous material (114) is provided between the channel component (44) and the anode electrode, which permits the flow of the hydrogen gas and water vapor from the water channel and prevents the flow of the liquid water. DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of the electrochemical cell forming the electrochemical-type hydrogen pump. 10Electrochemical-type hydrogen pump 12Electrochemical cell 36Electrolyte membrane-electrode assembly 38Anode separator 40Cathode separator 42,44Flow channel components 50Electrolyte membrane 52Anode 54Cathode 66Hydrogen gas channel 84Water channel 110,114Porous materials