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Title:
WATER ELECTROLYSIS METHOD, WATER ELECTROLYSIS CELL AND WATER ELECTROLYSIS SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/181989
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a water electrolysis method which is capable of maintaining a high electrolysis efficiency. The present invention proposes a water electrolysis method wherein: water is supplied to a water electrolysis cell, the inside of which is divided into an anode and a cathode by means of an electrolyte membrane, so as to generate oxygen at the anode and hydrogen at the cathode, respectively; and the electrolyte membrane is provided with a first layer that contains a polymer electrolyte and a second layer that is arranged on the cathode side of the first layer and contains carbon particles.

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Inventors:
HIRAHARA RYOTA (JP)
MINAMIBAYASHI KENTA (JP)
IZUHARA DAISUKE (JP)
MATSUI KAZUMA (JP)
KUNITA TOMOYUKI (JP)
Application Number:
PCT/JP2023/009285
Publication Date:
September 28, 2023
Filing Date:
March 10, 2023
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C25B13/08; C25B1/02; C25B1/04; C25B9/00; C25B9/23; C25B11/052; C25B11/053; C25B11/065; C25B11/081; C25B13/02; C25B13/04; H01B1/06; H01M8/10; H01M8/1018; H01M8/1039; H01M8/1046; H01M8/1051; H01M8/1053; H01M8/1058; H01M8/1067
Domestic Patent References:
WO2020196278A12020-10-01
Foreign References:
JP2008512844A2008-04-24
JP2018159121A2018-10-11
JP2009510675A2009-03-12
JP2009533801A2009-09-17
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