Title:
TITANIUM SUBSTRATE, WATER ELECTROLYSIS ELECTRODE, AND SOLID POLYMER-TYPE WATER ELECTROLYSIS APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/210655
Kind Code:
A1
Abstract:
A titanium substrate according to the present invention has a substrate body (11) formed of titanium or a titanium alloy, and has, on the surface of the substrate body (11), a Magneli-phase titanium oxide film (16) formed of a Magneli-phase titanium oxide represented by chemical formula TinO2n-1 (4≤n≤10). The Magneli-phase titanium oxide film (16) has a BET value of more than 0.1 m2/g, has a porous structure, and has a phosphorus element content of 0.1 at% or less.
Inventors:
SANO YOSUKE (JP)
OHMORI SHINICHI (JP)
OHMORI SHINICHI (JP)
Application Number:
PCT/JP2022/015310
Publication Date:
October 06, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
C25B11/077; B22F3/11; C25B1/04; C25B9/00; C25B11/031; C25B11/052; C25B11/063; C25D11/26
Foreign References:
| JP2019157273A | 2019-09-19 | |||
| US20120040254A1 | 2012-02-16 | |||
| US20170152163A1 | 2017-06-01 | |||
| US20190185351A1 | 2019-06-20 | |||
| CN109701510A | 2019-05-03 | |||
| CN113061926A | 2021-07-02 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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