Preparation method and application of cobalt diselenide/carbon-based flexible electrode material with interface enhancement structure

A technology of cobalt diselenide and interface enhancement, which is applied in the direction of fuel cell half-cells and secondary battery-type half-cells, battery electrodes, structural parts, etc., can solve the problems of electrochemical performance degradation and easy damage, and achieve The effect of increasing the contact area, enhancing stability, and improving stability
CN112072125AInactive Publication Date: 2020-12-11ZHEJIANG UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG UNIV OF TECH
Publication Date
2020-12-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the technical field of new energy materials, in particular to a preparation method and application of a cobalt diselenide / carbon-based flexible electrode material with an interface enhancement structure. The preparation method comprises the following steps: (1) carrying out hydrophilization treatment on carbon cloth; (2) preparing a metal salt solution containing Co<2+>, adding a 2-methylimidazole solution, carrying out uniform mixing to obtain a mixed solution, adding the hydrophilized carbon cloth into the mixed solution, and conducting standing for reaction; (3) growing a carbon nanotube by adopting a CVD method; (4) carrying out selenylation treatment to obtain a CoSe2 / N-CNT@CC composite material; and (5) compounding theCoSe2 / N-CNT@CC composite materialwith a gel electrolyte to obtain the cobalt diselenide / carbon-based flexible electrode material with the interface enhancement structure. The preparation method disclosed by the invention is simple to operate, mild in condition, easy to control, free of special requirements on equipment and beneficial to industrial production; and the prepared cobalt diselenide / carbon-based flexible electrode material with the interface enhancement structure has a high contact area and high stability, and has wide application prospects in the field of flexible devices.
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Description

technical field

[0001] The invention relates to the technical field of new energy materials, in particular to a preparation method and application of a cobalt diselenide / carbon-based flexible electrode material with an interface enhanced structure. Background technique

[0002] With the rapid development of the global economy and society, human demand for energy is growing rapidly. The environmental degradation caused by the massive consumption of traditional fossil energy forces us to constantly seek new green energy production technologies. Due to the advantages of high specific energy, stable discharge voltage, low cost, safety and environmental protection, zinc-air batteries have attracted widespread attention and have great application potential in the field of new energy.

[0003] Compared with traditional planar coating or spraying electrodes, three-dimensional electrodes have the advantages of large specific surface area, fast electron and ion transmission rate, and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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