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A functionalized carbon nanosheet/wo 3 Nanorod composite material and preparation method

A technology of carbon nanosheets and composite materials, applied in nanocarbon, nanotechnology, nanotechnology, etc., can solve problems such as structural damage, poor conductivity of semiconductor materials, and volume expansion

Active Publication Date: 2022-03-22
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still some important factors restricting WO 3 Applications in supercapacitors, such as the poor conductivity of the semiconductor material itself, the agglomeration of the material during the cycle, and the volume expansion and contraction of the material under force, resulting in structural damage, etc.

Method used

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  • A functionalized carbon nanosheet/wo <sub>3</sub> Nanorod composite material and preparation method
  • A functionalized carbon nanosheet/wo <sub>3</sub> Nanorod composite material and preparation method
  • A functionalized carbon nanosheet/wo <sub>3</sub> Nanorod composite material and preparation method

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Embodiment Construction

[0025] The embodiment of the present invention is a preparation method with simple process and relatively low cost. First, carbon nanosheets are prepared by high temperature method, then functionalized carbon nanosheets are obtained by chemical activation, and finally functionalized carbon nanosheets are synthesized by hydrothermal method. / WO 3 The nanorod composite material has 1D / 2D composite morphology characteristics, which greatly improves the specific capacity and cycle stability of the material.

[0026] The present invention relates to functionalized carbon nanosheets / WO with excellent electrochemical performance 3 A method for preparing a nanorod composite material, comprising the following steps:

[0027] (1) Weigh 6g C 6 h 5 K 3 o 7 ·H 2 O was packed in a porcelain boat and put into a tube furnace. Under an argon atmosphere, the temperature was raised to 850°C at a rate of 5°C / min, and kept for 1h. After natural cooling, the samples were collected. L of dilu...

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Abstract

The invention relates to a supercapacitor, in particular to a functionalized carbon nanosheet / WO3 nanorod composite material and a preparation method thereof. The present invention firstly prepares functionalized carbon nanosheets, and then hydrothermally reacts to generate functionalized carbon nanosheets / WO 3 The nanorod composite material, as a supercapacitor electrode material, exhibits excellent electrochemical performance, and the preparation process is simple. As a new energy material, it has good application prospects in the fields of supercapacitors, lithium-ion batteries and other equipment.

Description

technical field [0001] The present invention relates to a supercapacitor, in particular to a functionalized carbon nanosheet / WO 3 Nanorod composite materials and methods for their preparation. Firstly, the functionalized carbon nanosheets were prepared, and then the functionalized carbon nanosheets / WO 3 The nanorod composite material, as a supercapacitor electrode material, exhibits excellent electrochemical performance, and the preparation process is simple. As a new energy material, it has good application prospects in the fields of supercapacitors, lithium-ion batteries and other equipment. Background technique [0002] As a new type of energy storage device, supercapacitor has great application in production practice because of its high cycle life, high power density and green environmental friendliness. With the continuous development of science and technology, people's requirements for the energy density and cycle times of energy storage materials are gradually incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/30H01G11/36H01G11/46H01G11/24C01B32/15C01G41/02B82Y30/00B82Y40/00
CPCH01G11/30H01G11/36H01G11/46H01G11/24C01B32/15C01G41/02B82Y30/00B82Y40/00C01P2004/20C01P2004/16C01P2004/80Y02E60/13
Inventor 严学华袁小雪王静静犹明瑜苗洁玉程晓农
Owner JIANGSU UNIV