Title:
ELECTRODE MATERIAL AND ELECTRODE USING SAME, AND WATER ELECTROLYSIS CELL
Document Type and Number:
WIPO Patent Application WO/2021/241094
Kind Code:
A1
Abstract:
Provided is an electrode material, in which an iridium species is used in a reduced amount, and which can exhibit a high activity for use as a catalyst for an anode in a water electrolysis cell and has excellent durability. An electrode material for a solid polymer water electrolysis cell is provided, which is characterized by having a structure that Ir and/or an oxide thereof and at least one noble metal selected from Ru, Rh and Pd and/or an oxide thereof are supported on a titanium suboxide support that is configured such that any peak other than a peak corresponding to Ti4O7 and/or Ti3O5 is not observed in powder X-ray diffraction.
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Inventors:
TSUTSUMI HIROSHI (JP)
KISHI MIHO (JP)
UEMURA AKIHIRO (JP)
ATOBE SHINTARO (JP)
YAMASHITA DAISUKE (JP)
KAMON AKIHIRO (JP)
KISHI MIHO (JP)
UEMURA AKIHIRO (JP)
ATOBE SHINTARO (JP)
YAMASHITA DAISUKE (JP)
KAMON AKIHIRO (JP)
Application Number:
PCT/JP2021/016456
Publication Date:
December 02, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
SAKAI CHEMICAL INDUSTRY CO (JP)
International Classes:
B01J23/46; C25B11/073; B01J35/10; C25B1/04; C25B9/00
Domestic Patent References:
| WO2018096851A1 | 2018-05-31 |
Foreign References:
| JP2015534607A | 2015-12-03 | |||
| JP2019157273A | 2019-09-19 | |||
| JP2019173130A | 2019-10-10 | |||
| JPS5779189A | 1982-05-18 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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