KR830005396A - Method of manufacturing hydrogen discharge electrode - Google Patents

Abstract

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Description

Method for producing hydrogen discharge electrode

As this is a public information case, the full text was not included.

1 is a graph showing the relationship between the oxidation of nickel in the electrode coating and the hydrogen emission potential of the electrode.

2 is a graph showing the relationship between the oxidation of nickel and the hydrogen emission potential of the electrode in the coating of slowly mixing lithium,

3 is a graph showing the relationship between oxidation of nickel and hydrogen release potential of an electrode in a coating prepared by treating nickel oxide including a coating of an electrode for a reduction treatment.

Claims (31)

A hydrogen-emitting electrode of a coated electroconductive substrate containing an oxide of at least one metal of nickel, cobalt, silver. An electrode according to claim 1 wherein the electrically conductive substrate is nickel, nickel alloys, austenitic type stainless steel, ferrite type stainless steel. The electrically conductive substrate is nickel, nickel alloy, austenitic type stainless steel, the electrode according to claim 2 The electrode according to claims 1 to 3, wherein the coating contains lithium oxide. The electrode according to claims 1 to 4, wherein the coating is coated by melt-spray of powders of nickel, cobalt, silver, nickel oxide, cobalt oxide, and mixtures thereof. The electrode according to claim 5, wherein the melt spray is a plasma spray. The electrode according to claim 5 or 6, wherein the average particle size of the powder is 0.1 to 200 microns. The electrode according to claim 5, wherein the powder is nickel. The electrode according to claims 5 to 7, wherein the powder is nickel and nickel oxide. The electrode according to claims 5 to 9, wherein the coating is nickel, nickel oxide. The electrode according to claims 5 to 7, wherein the powder is nickel and nickel oxide and the mixture contains a lithium compound. An electrode according to claims 5 to 7, wherein the powder contains nickel oxide. The electrode according to claims 11 and 12, wherein the coating is nickel, nickel oxide, lithium oxide. The electrode according to claims 1 to 13, wherein the coating has a nickel oxide of 2 to 98% in the degree of oxidation. The electrode according to claims 1 to 14, wherein the coating has a thickness of at least 10 microns. An electrode according to claims 2 to 15 having a hydrogen emission potential different from the 0.98 Vvs standard hydrogen electrode. A hydrogen-emitting electrode of an electrically conductive substrate of a reducing coating comprising at least one metal oxide in nickel, cobalt, silver and prepared by reduction of a coating of an electrically conductive substrate. An electrode according to claim 17, wherein the electrically conductive substrate is nickel, nickel alloys, austenitic type stainless steel, ferritic type stainless steel. An electrode according to claim 18, wherein the electrically conductive substrate is nickel, nickel alloy, austenitic stainless steel. An electrode according to claims 17 to 19, wherein the coating is made of a melt spray of a powder selected from nickel, cobalt, silver, silver oxide, cobalt oxide, and mixtures thereof. An electrode according to claim 20, wherein the average particle size of the powdered material is between 0.1 and 200 microns. The electrode according to claims 20 to 21, wherein the powdered material is nickel. The electrode according to claims 20 to 21, wherein the powdered material is nickel oxide. The electrode according to claims 20 to 21, wherein the powder material is nickel and nickel oxide. The electrode according to claims 17 to 24, wherein the thickness of the reducing coating is 10 mu or more. The electrode according to claims 17 to 25, wherein the reduction coating is of nickel and nickel oxide. The electrode according to claims 20 to 26, wherein the reduction coating has a nickel oxide content of 0 to 70% at a specific degree of oxidation. 28. The electrode according to claims 20 to 27, wherein the melt spray is a plasma spray. 29. An electrode according to claims 18-28, different from a hydrogen-emitting electrode-0.9 Vvs standard hydrogen electrode. Preparation of a hydrogen-emitting electrode added to at least one side of an electrically conductive substrate with a powder material selected from nickel, cobalt and silver by melt spraying a coating or electroconductive substrate containing at least one metal oxide selected from nickel, cobalt and silver. Way. The method according to claim 30, wherein the coating is reduced. ※ Note: The disclosure is based on the initial application.