Multi-element composite nano-material, preparation method thereof and application thereof

A nanomaterial and multi-composite technology, which is applied in the field of electrochemistry and nanocomposite materials, can solve the problems that it is not suitable for large-scale production, the electrochemical properties of composite nanomaterials are not investigated, and the preparation process is complicated.

Active Publication Date: 2013-05-22
中科(马鞍山)新材料科创园有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the metal oxides used in this patent are only oxides of nickel and manganese, which has great limitations on the composition of the composite material, and the above-mentioned patent does not examine the electrochemical performance of the composite nanomaterial to make it feasible in practical applications hindered
[0007] CN102280263A discloses an electrochemica...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Weigh 5mmol of cobalt acetate, dissolve it in 50ml of ethanol solution, and stir fully to form a uniform cobalt acetate ethanol solution; then weigh 0.05g of graphene and add it, ultrasonically disperse for 1 hour, so that the graphene is evenly dispersed in the cobalt acetate ethanol solution ; 50ml of distilled water and tetramethylammonium hydroxide mixed solution were added to the resulting mixed solution, ultrasonically reacted for 2 hours, then centrifuged, washed, and dried to obtain the graphene / cobalt tetroxide binary compound;

[0103] Add 0.05g of graphene / cobalt tetroxide binary composite to 25ml of distilled water and ethanol mixed solution, ultrasonic treatment for 3 hours; then in ice bath, keep the temperature below 10℃, add 1ml of concentrated sulfuric acid and 1.5ml of aniline monomer , sonicated for 2 hours; then weighed 3g of ammonium persulfate and dissolved it in 25ml of distilled water to prepare an ammonium persulfate solution, slowly added the am...

Embodiment 2

[0105] Weigh 1mmol of manganese chloride, dissolve it in 50ml of ethanol solution, stir fully to form a uniform manganese chloride ethanol solution; then weigh 0.05g of carbon nanotubes into it, ultrasonically disperse for 0.5 hours, so that the carbon nanotubes are evenly dispersed in Manganese chloride ethanol solution; add 50ml of distilled water and tetramethylammonium hydroxide mixed solution to the resulting mixed solution, ultrasonically react for 1 hour, then centrifuge, wash, and dry to obtain the carbon nanotube / manganese tetraoxide binary Complex;

[0106] Add 0.02g of carbon nanotubes / manganese tetraoxide binary composite to 25ml of distilled water and ethanol mixed solution, ultrasonic treatment for 4 hours; then in ice bath, keep the temperature below 10℃, add 1ml of concentrated sulfuric acid and 0.5 ml of aniline monomer, sonicated for 1.5 hours; then weighed 4g of ammonium persulfate and dissolved it in 25ml of distilled water to prepare an ammonium persulfate...

Embodiment 3

[0108] Weigh 10mmol cobalt acetate, dissolve it in 50ml ethanol solution, stir fully to form a uniform cobalt acetate ethanol solution; then weigh 0.1g graphene and 0.1g graphene nanobelts and add them, and ultrasonically disperse for 1 hour to make graphene and Graphene nanoribbons are uniformly dispersed in cobalt acetate ethanol solution; then 100ml of 0.1mol / L sodium hydroxide solution is added dropwise to the mixed solution, ultrasonically reacted for 2 hours, and then centrifuged, washed and dried to obtain graphene / graphene Nanobelt / cobalt tetroxide ternary composite;

[0109] Add 0.2g of graphene / graphene nanoribbon / cobalt trioxide ternary compound into 25ml of distilled water and ethanol mixed solution, ultrasonic treatment for 2 hours; then keep the temperature below 10℃ in ice bath, add 1ml of concentrated sulfuric acid and 0.5ml of pyrrole monomer, sonicated for 3 hours; then weighed 2g of ammonium persulfate and dissolved it in 25ml of distilled water to prepare a...

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PUM

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Abstract

The invention provides a multi-element composite nano-material for a super capacitor, and a preparation method of the nano-material. The nano-material comprises a carbon material, metal oxide and conducting polymer, and components of the nano-material can be two or more than two materials. By the aid of the characteristics such as fine electrical conductivity, long cycle life and high specific surface area of the carbon material, high pseudo-capacitance of the metal oxide and low internal resistance, low cost and high operating voltage of the conducting polymer, different types of electrode materials generate synergistic effects, advantages are mutually combined, shortcomings are mutually weakened, the energy storage characteristics of an electric double-layer capacitor and a pseudo-capacitor are simultaneously made full use of, a composite electrode material with high power density, fine circulating stability and higher energy density is prepared, and the multi-element composite nano-material is excellent in comprehensive performance when used for an electrode of the super capacitor, has the advantages of simple preparation process, short cycle, low cost and the like, and is suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the fields of electrochemistry and nanocomposite materials, in particular, the invention relates to a multi-component composite nanomaterial, its preparation method and its application. Background technique [0002] In recent years, in order to solve the problems of the depletion of global resources and energy and the deterioration of the human ecological environment, modern society requires the large-scale use of energy storage devices with high energy density, high power density, and environmentally friendly energy storage devices, making the research of supercapacitors a priority for countries all over the world. An important topic of concern to researchers. Electrode material is one of the main factors affecting the performance of supercapacitors. Only by developing high-performance electrode materials can high-performance supercapacitors be produced. At present, there are many studies on single carbon materials, metal oxi...

Claims

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Application Information

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IPC IPC(8): H01G11/32H01G11/46H01G11/48H01G11/86
CPCY02E60/13
Inventor 谭强强徐宇兴
Owner 中科(马鞍山)新材料科创园有限公司
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