Oxide-dispersed metal porous body, electrolysis electrode, and hydrogen generation apparatus

Patent metadata

Field	Value
Publication number	US-2020040471-A1
Application number	US-201816607202-A
Country	US
Kind code	A1
Filing date	Apr 23, 2018
Priority date	Apr 24, 2017
Publication date	Feb 6, 2020
Grant date	—

Abstract

The present invention provides an oxide-dispersed metal porous body including a porous metal framework, and oxide particles carried in the metal framework.

First claim

1 . An oxide-dispersed metal porous body comprising a porous metal framework, and oxide particles carried in the metal framework.

2 . The oxide-dispersed metal porous body according to claim 1 , wherein the metal framework has a three-dimensional mesh structure.

3 . The oxide-dispersed metal porous body according to claim 1 , wherein the oxide-dispersed metal porous body has a porosity of more than or equal to 70 volume %.

4 . The oxide-dispersed metal porous body according to claim 1 , wherein the oxide-dispersed metal porous body has an aperture diameter of 100 μm to 2000 μm.

5 . The oxide-dispersed metal porous body according to claim 1 , wherein the oxide particles are carried in the metal framework unevenly at a surface layer portion.

6 . The oxide-dispersed metal porous body according to claim 1 , wherein the oxide particles have an average particle diameter of more than or equal to 0.1 μm and less than or equal to 10 μm.

7 . The oxide-dispersed metal porous body according to claim 1 , wherein an external appearance of the oxide-dispersed metal porous body has a shape in a form of a sheet, and a mass per unit area of the shape is 200 g/m 2 to 1500 g/m 2 .

8 . The oxide-dispersed metal porous body according to claim 1 , wherein an external appearance of the oxide-dispersed metal porous body has a shape in a form of a sheet, and an amount of the oxide particles carried per unit area of the shape is 10 g/m 2 to 100 g/m 2 .

9 . The oxide-dispersed metal porous body according to claim 1 , wherein an external appearance of the oxide-dispersed metal porous body has a shape in a form of a sheet, and the shape has a thickness of 0.1 mm to 10 mm.

10 . The oxide-dispersed metal porous body according to claim 1 , wherein each of the oxide particles includes at least one selected from a group consisting of iron oxide, nickel oxide, chromium oxide, titanium oxide, aluminum oxide, zirconium oxide, cerium oxide, cobalt oxide, molybdenum oxide, ruthenium oxide, iridium oxide, tin oxide, and silicon oxide.

11 . An electrolysis electrode comprising the oxide-dispersed metal porous body recited in claim 1 .

12 . A hydrogen generation apparatus comprising:
an electrolyzer configured to store an alkaline aqueous solution; an anode and a cathode each immersed in the alkaline aqueous solution; and a power supply configured to apply voltage between the anode and the cathode, wherein at least one of the anode and the cathode is the electrolysis electrode recited in claim 11 .

13 . A hydrogen generation apparatus comprising:
an anode; a cathode; an electrolyte membrane disposed between the anode and the cathode; and a power supply configured to apply voltage between the anode and the cathode, wherein at least one of the anode and the cathode is the electrolysis electrode recited in claim 11 .

Assignees

• Sumitomo Electric Industries
• Nat Univ Corp Yokohama Nat Univ

Inventors

• Okuno Kazuki
• Majima Masatoshi
• Higashino Takahiro
• Tawarayama Hiromasa
• Mitsushima Shigenori

Classifications

• C25D15/02

  Combined electrolytic and electrophoretic processes {with charged materials} · CPC title

• C25B11/035 Primary

  Chemistry & Metallurgy · mapped topic

• C25B11/0431

  Chemistry & Metallurgy · mapped topic

• C25B1/10

  Chemistry & Metallurgy · mapped topic

• C25B11/031 Primary

  Porous electrodes · CPC title