A kind of preparation method of carbon particle/manganese dioxide composite electrode material

A manganese dioxide and composite electrode technology, which is applied in the manufacture of hybrid capacitor electrodes, hybrid/electric double layer capacitors, etc., can solve the problems of high internal resistance, poor charge-discharge cycle stability, etc., and achieve high conductivity, good crystallization, The effect of simple and economical process
CN105405680BActive Publication Date: 2018-01-30HARBIN INST OF TECH
6 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HARBIN INST OF TECH
Publication Date
2018-01-30

Smart Images

  • Figure 1
    Figure 1
Patent Text Reader

Abstract

The invention relates to a preparation method of a carbon particle / manganese dioxide composite electrode material, and the invention relates to a preparation method of a composite electrode material. The invention aims to solve the problems of high internal resistance and poor charge-discharge cycle stability existing in the existing manganese dioxide electrode material. The method of the present invention: mix manganese sulfate, potassium permanganate and distilled water evenly, place the substrate in the mixed solution, perform hydrothermal reaction to obtain the manganese dioxide nanosheet material, and place the manganese dioxide nanosheet material in the plasma The enhanced chemical vapor deposition vacuum device is used for deposition to obtain the carbon particle / manganese dioxide composite electrode material. The invention is used for a preparation method of a carbon particle / manganese dioxide composite electrode material.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a preparation method of a composite electrode material. Background technique

[0002] With the rapid development of economy and society, environmental pollution, climate change and energy crisis have become important issues in China and the world today. It is imminent to develop clean and renewable new energy conversion and storage devices. Supercapacitor is a new type of energy storage element between traditional capacitors and batteries. It has higher specific capacitance and energy density than traditional capacitors, and higher power density than batteries, so it has broad application prospects. The preparation of high energy density and power density, long cycle life, and low-cost supercapacitor electrode materials has become the key to its widespread use.

[0003] According to different energy storage mechanisms, electrochemical capacitors are currently divided into electric double layer capacitors and pseudocapacitors....

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
Login to View More