Method for producing anode for alkaline water electrolysis, and anode for alkaline water electrolysis
US10676832B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 11, 2017 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Sep 11, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B11/095
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a method capable of producing, in a simple and low-cost manner, an electrolysis electrode which can be used in alkaline water electrolysis and has superior durability against output variation. The method for producing an anode for alkaline water electrolysis includes: a step of dissolving lithium nitrate and a nickel carboxylate in water to prepare an aqueous solution containing lithium ions and nickel ions, a step of applying the aqueous solution to the surface of a conductive substrate having at least the surface composed of nickel or a nickel-based alloy, and a step of subjecting the conductive substrate to which the aqueous solution has been applied to a heat treatment at a temperature within a range from at least 450° C. to not more than 600° C., thereby forming a catalyst layer composed of a lithium-containing nickel oxide on the conductive substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.