Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material

A technology of VO2 and carbon coating, which is applied in the preparation of VO2 and VC core-shell materials, and in the field of band-shaped carbon coating V2O3, which can solve the problems of unfavorable industrial production and control, lack of active functional groups, and difficulty in direct coating, and achieve easy Control, high service life, repeatable effect

Inactive Publication Date: 2012-06-27
张家港楚人新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

V 2 o 3 and VO 2 The surface of the material lacks active functional groups, so direct coating is difficult; if V 2 o 3 and VO 2 The surfac

Method used

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  • Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material
  • Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material
  • Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0039] Example 1

[0040] Will 9.1gV 2 o 5 Disperse in 370 g of distilled water and 24 g of ethanol to obtain a suspension, transfer the suspension to an autoclave, react at 180 °C for 48 h, cool down naturally and discharge, wash with deionized water, and dry in vacuum to obtain ribbon V 3 o 7 ·H 2 O nanomaterials.

Example Embodiment

[0041] Example 2

[0042] Disperse 6.9g of ammonium vanadate into 200g of distilled water and 170g of acetone to obtain a suspension, transfer the suspension to an autoclave, react at 180°C for 48 h, cool down naturally and discharge, wash with deionized water, and dry in vacuum. get ribbon VO 2 (B) Nanomaterials.

Example Embodiment

[0043] Example 3

[0044] Will 9.1 g V 2 o 5 Disperse in 330g of distilled water and 50g of methanol to obtain a suspension, transfer the suspension to an autoclave, react at 180 °C for 48 h, cool down naturally and discharge, wash with deionized water, and dry in vacuum to obtain a ribbon-shaped V 3 o 7 ·H 2 O and VO 2 (B) Mixture of nanomaterials.

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Abstract

The invention discloses a preparation method of a ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material, which comprises the following steps of: 1, preparing any one or two of mixtures in a ribbon V3O7.H2O and VO2 (B) nanometer material by adopting a hydrothermal method; 2, mixing a product obtained in the step 1 with distilled water and carbon sources to obtain any one or two of mixtures in a carbon-enwrapped V3O7.H2O and VO2 (B) core-shell material through hydrothermal reaction; and 3, placing a product obtained in the step 2 into inert atmosphere and calcining for 1-48 hours at a temperature of 400-1100 DEG C to obtain any one or several of mixtures in the carbon-enwrapped V2O3, VO2 and VC core-shell material. The preparation method is simple in process, is easy for control and can realize the industrial production; and with the adoption of the preparation method, the ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material is firstly prepared.

Description

[0001] technical field [0002] The invention belongs to the field of preparation of inorganic functional materials, in particular to ribbon-shaped carbon-coated V 2 o 3 、VO 2 And the preparation method of VC core-shell material. Background technique [0003] Due to their remarkable surface effects, quantum size effects, and macroscopic quantum tunneling effects, nanomaterials exhibit singular mechanical, electrical, magnetic, optical, thermal, and chemical properties, and have broad application prospects. When the size of material particles enters the nanometer scale, they tend to show more superior properties; and when the material is in the nanometer size, if different shapes can be constructed, the same material will also show different chemical and physical properties. characteristics, and some novel properties may appear, for example, rod-like nano-ZnO can be used to prepare small generators. Therefore, the preparation of nanomaterials with different morphologies ...

Claims

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Application Information

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IPC IPC(8): C30B29/64
Inventor 黄驰张依福刘兴海樊美娟
Owner 张家港楚人新材料科技有限公司
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