In-situ-growth-based method for preparing nickel hydroxide-nickel oxide film electrode

A technology of nickel hydroxide and thin-film electrodes, which is applied in the manufacture of circuits, electrical components, cables/conductors, etc., can solve the problems of complex electrode preparation processes, achieve low production costs, controllable thickness, and overcome complex processes.
CN105469901AInactive Publication Date: 2016-04-06YANSHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YANSHAN UNIV
Publication Date
2016-04-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an in-situ-growth-based method for preparing nickel hydroxide-nickel oxide film electrode. The method comprises: cleaning, dedusting, rust removing, and oil removing are carried out on a metallic nickel substrate to obtain a clean nickel surface; preparation of an alkaline electrolyte is carried out, wherein the main raw material is KOH or NaOH alkali metal and the concentration is 5-300g / L and the auxiliary raw material is one of hydrogen peroxide, ammoniacal liquor, sodium carbonate, sodium oxalate, urea, and glycol and the concentration is 1-20g / L; the electrolyte is placed in an reaction still and the clean nickel substrate is immersed into the electrolyte; the reaction still is placed in a muffle furnace to carry out hydrothermal reaction for 1 to 96 houses at the temperature of 120 to 250 DEG C, so that oxidation reaction is carried out on the metallic nickel surface; and then the metallic nickel is taken out after water heating and is cleaned and dried, thereby obtaining the nickel hydroxide-nickel oxide film electrode prepared based on in-situ growth. The preparation method has advantages of simple process, low price of raw materials, easy operation, and low production price; the thickness of the prepared film material can be controlled; and the activity is high. The method is suitable for industrial large-scale production.
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Description

Technical field

[0001] The invention relates to a method for preparing electrode materials. Background technique

[0002] As functional materials with high electrochemical activity, nickel hydroxide and nickel oxide nanomaterials are used in electrochemical energy storage (such as lithium ion batteries, supercapacitors), electrochemical catalysis (such as electrochemical oxygen evolution), electrochemical sensors, etc. Important application value. In recent years, the development and performance research of nickel hydroxide and nickel oxide materials have attracted the attention of scientists at home and abroad, and the development of low-cost, easy-to-operate, high-activity, and industrialized material preparation methods has become a key issue and has great significance .

[0003] In the field of electrochemical applications, in order to better exert the activity of the product, the prepared nickel hydroxide and nickel oxide need to maintain good electronic conductivity with th...

Claims

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