Application, application device and preparation method of three-component cuo-cu-tio2 nanotube array composite material

A cuo-cu-tio2, nanotube array technology, which is applied in the development and research field of new energy materials, can solve the problem of nanotube array electrodes

Active Publication Date: 2018-11-27
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But currently about TiO 2 There are relatively few reports on tricomponent composite electrodes of nanotube arrays, especially for bicomponent dopant CuO / Cu-doped TiO with a core-shell structure. 2 Few reports on nanotube array electrodes

Method used

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  • Application, application device and preparation method of three-component cuo-cu-tio2 nanotube array composite material
  • Application, application device and preparation method of three-component cuo-cu-tio2 nanotube array composite material
  • Application, application device and preparation method of three-component cuo-cu-tio2 nanotube array composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The three-component CuO-Cu-TiO 2 Application of nanotube array composites, the three-component CuO-Cu-TiO 2 Nanotube array composites are used as electrodes in lithium-ion batteries.

[0026] The three-component CuO-Cu-TiO 2 Applied device of nanotube array composite material, with three-component CuO-Cu-TiO 2 The nanotube array composite material is used as the working electrode of the lithium ion battery, the lithium foil is used as the counter electrode and the reference electrode, the Celgard2400 film is used as the diaphragm, and the 1mol / LLiPF 6 The mixed solution is the electrolyte, and it is assembled into a button-type lithium-ion battery in a glove box filled with high-purity argon, in which LiPF 6 The mixed solution is a mixed solution of ethylene carbonate and diethyl carbonate with a volume ratio of 1:1.

[0027] The three-component CuO-Cu-TiO 2 The preparation method of nanotube array composite material, its specific steps are as follows:

[0028] (1...

Embodiment 2

[0033] The three-component CuO-Cu-TiO 2 Application of nanotube array composites, the three-component CuO-Cu-TiO 2 Nanotube array composites are used as electrodes in lithium-ion batteries.

[0034] The three-component CuO-Cu-TiO 2 Applied device of nanotube array composite material, with three-component CuO-Cu-TiO 2 The nanotube array composite material is used as the working electrode of the lithium ion battery, the lithium foil is used as the counter electrode and the reference electrode, the Celgard2400 film is used as the diaphragm, and the 1mol / L LiPF 6 The mixed solution is the electrolyte, and it is assembled into a button-type lithium-ion battery in a glove box filled with high-purity argon, in which LiPF 6 The mixed solution is a mixed solution of ethylene carbonate and diethyl carbonate with a volume ratio of 1:1.

[0035] The three-component CuO-Cu-TiO 2 The preparation method of nanotube array composite material, its specific steps are as follows:

[0036] (...

Embodiment 3

[0041] The three-component CuO-Cu-TiO 2 Application of nanotube array composites, the three-component CuO-Cu-TiO 2 Nanotube array composites are used as electrodes in lithium-ion batteries.

[0042] The three-component CuO-Cu-TiO 2 Applied device of nanotube array composite material, with three-component CuO-Cu-TiO 2 The nanotube array composite material is used as the working electrode of the lithium ion battery, the lithium foil is used as the counter electrode and the reference electrode, the Celgard2400 film is used as the diaphragm, and the 1mol / LLiPF 6 The mixed solution is the electrolyte, and it is assembled into a button-type lithium-ion battery in a glove box filled with high-purity argon, in which LiPF 6 The mixed solution is a mixed solution of ethylene carbonate, diethyl carbonate and dimethyl carbonate in a volume ratio of 1:1:1.

[0043] The three-component CuO-Cu-TiO 2 The preparation method of nanotube array composite material, its specific steps are as f...

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Abstract

The invention relates to an application, an application apparatus and a preparation method for a triple-component CuO-Cu-TiO2 nanotube array composite material, and belongs to the technical field of new energy material development and research. The triple-component CuO-Cu-TiO2 nanotube array composite material is used as an electrode of a lithium ion battery; the triple-component CuO-Cu-TiO2 nanotube array composite material is used as the working electrode of the lithium ion battery; lithium foils are taken as a counter electrode and a reference electrode; a Celgard2400 film is used as a diaphragm; mixed liquid containing 1mol / L of LiPF6 is used as the electrolyte; and a button type lithium ion battery is assembled by the above parts in a glove box, wherein the glove box is filled with high-purity argon. The triple-component CuO-Cu-TiO2 nanotube array composite material is prepared by the steps of preparing a three-dimensional ordered TiO2 nanotube array by adopting a positive electrode oxidization method firstly, performing constant-voltage Cu nanoparticle deposition on the TiO2 nanotube array, and finally performing thermal treatment. The preparation method is simple in preparation process, and an extra conductive agent and a polymer binder are not required.

Description

technical field [0001] The invention relates to a three-component CuO-Cu-TiO 2 The application, application device and preparation method of nanotube array composite materials belong to the technical field of development and research of new energy materials. Background technique [0002] TiO 2 It is an important semiconductor functional ceramic material. When used as the negative electrode material of lithium-ion batteries, it has many advantages such as stable structure, small volume expansion rate, and avoiding the precipitation of metal lithium dendrites. It is a promising negative electrode candidate material. However, due to its low electrical conductivity and lithium ion diffusion rate, TiO 2 Wide application in commodity lithium-ion batteries. In order to solve the above problems, on the one hand, by constructing nanostructured TiO 2 , to increase TiO 2 specific surface area, shorten the diffusion distance of lithium ions, and improve lithium storage performance;...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/36H01M10/0525H01M4/38H01M4/48B82Y30/00H01M4/131H01M4/134
CPCB82Y30/00H01M4/131H01M4/134H01M4/362H01M4/38H01M4/483H01M10/0525Y02E60/10
Inventor 侯宏英孟瑞晋刘显茜段继祥刘松
Owner KUNMING UNIV OF SCI & TECH
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