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Radial vanadium pentoxide cooperatively constructed by macromolecular chain segments and small molecules and application of radial vanadium pentoxide to capacitor electrode

A vanadium pentoxide, radial technology, applied in the field of preparation of electrode materials, to achieve the effect of increasing specific surface area, improving electrochemical performance, and large specific surface area

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

AI Technical Summary

Problems solved by technology

Therefore, the V of most nanostructures 2 o 5 Only exhibit nanowire or nanorod morphology with double-layer structure, and the special form of vanadium pentoxide has not been studied

Method used

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  • Radial vanadium pentoxide cooperatively constructed by macromolecular chain segments and small molecules and application of radial vanadium pentoxide to capacitor electrode
  • Radial vanadium pentoxide cooperatively constructed by macromolecular chain segments and small molecules and application of radial vanadium pentoxide to capacitor electrode
  • Radial vanadium pentoxide cooperatively constructed by macromolecular chain segments and small molecules and application of radial vanadium pentoxide to capacitor electrode

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Precursor preparation

[0027] Add 1.7g of vanadyl trichloride, 200mg of sodium dodecylbenzenesulfonate, and 100mg of amino acid into 50ml of deionized water, fully disperse with magnetic stirring for 30min, and then pour into a three-necked flask. After stirring at 40°C for 30 min, 50 ml of dilute sulfuric acid with a pH of 3 was added, and the stirring was continued for 30 min to obtain a radial vanadium pentoxide precursor.

[0028] (2) Pour the obtained precursor into a polytetrafluoroethylene-lined hydrothermal reaction kettle, react at 160°C for 10 hours, then lower the temperature to 100°C for 2 hours and cool naturally, and centrifuge and wash 3 times for 80 °C blast drying to obtain radial vanadium pentoxide.

[0029] (3) Add the radial vanadium pentoxide, acetylene black, and polytetrafluoroethylene emulsion prepared in step (2) into the same weighing bottle according to the mass ratio of 80:10:10, stir and mix evenly, and use a hair dryer to The sample ...

Embodiment 2

[0031] (1) Precursor preparation

[0032] Add 1.7g of vanadyl trichloride, 100mg of sodium dodecylbenzenesulfonate, and 200mg of amino acid into 50ml of deionized water, fully disperse with magnetic stirring for 30min, and then pour into a three-necked flask. After stirring at 40° C. for 30 min, 50 ml of dilute sulfuric acid with a pH of 3 was added, and the stirring was continued for 30 min to obtain a radial vanadium pentoxide precursor.

[0033] (2) Pour the obtained precursor into a polytetrafluoroethylene-lined hydrothermal reaction kettle, react at 160°C for 10 hours, then lower the temperature to 100°C for 2 hours and cool naturally, and centrifuge and wash 3 times for 80 °C blast drying to obtain radial vanadium pentoxide.

[0034] (3) Add the radial vanadium pentoxide, acetylene black, and polytetrafluoroethylene emulsion prepared in step (2) into the same weighing bottle according to the mass ratio of 80:10:10, stir and mix evenly, and use a hair dryer to The sampl...

Embodiment 3

[0036] (1) Precursor preparation

[0037] Add 3.4g of vanadyl trichloride, 100mg of sodium dodecylbenzenesulfonate, and 100mg of amino acid into 50ml of deionized water, fully disperse with magnetic stirring for 30min, and then pour into a three-necked flask. After stirring at 40° C. for 30 min, 50 ml of dilute sulfuric acid with a pH of 3 was added, and the stirring was continued for 30 min to obtain a radial vanadium pentoxide precursor.

[0038] (2) Pour the obtained precursor into a polytetrafluoroethylene-lined hydrothermal reaction kettle, react at 160°C for 10 hours, then lower the temperature to 100°C for 2 hours and cool naturally, and centrifuge and wash 3 times for 80 °C blast drying to obtain radial vanadium pentoxide.

[0039] (3) Add the radial vanadium pentoxide, acetylene black, and polytetrafluoroethylene emulsion prepared in step (2) into the same weighing bottle according to the mass ratio of 80:10:10, stir and mix evenly, and use a hair dryer to The sampl...

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Abstract

The invention belongs to the field of preparation of electrode materials, and particularly relates to radial vanadium pentoxide constructed by macromolecule chain segments and small molecules in a synergistic mode and application of the radial vanadium pentoxide to a capacitor electrode. The preparation method comprises the following steps: adding vanadium oxytrichloride, sodium dodecyl benzene sulfonate and amino acid into deionized water, dispersing, adding dilute sulphuric acid, and carrying out hydrothermal reaction to obtain radial vanadium pentoxide; and the prepared radial vanadium pentoxide is used for preparing the required electrode. The hollow radial vanadium pentoxide electrode prepared by the invention has the advantages of greenness, no toxicity and small density, has excellent electrochemical performance, and is widely applied to portable and flexible electrode materials.

Description

technical field [0001] The invention belongs to the field of preparation of electrode materials, and in particular relates to a radial vanadium pentoxide co-constructed by polymer chain segments and small molecules and its application on capacitor electrodes. Background technique [0002] The construction of small and macromolecules with well-defined structures and components has attracted much attention due to their unique structure-dependent properties, such as light weight, abundant active surfaces, considerable loading capacity, and excellent surface permeability, as well as their applications in the following fields widely used. Energy storage, biomedicine, catalysis and environmental remediation. Recently, enormous efforts have been devoted to the structural and compositional design of colloidal shells to endow them with desired morphologies and properties, which are crucial for their interesting functional distribution and practical applications. Although a wide var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G31/02H01G2/00
CPCC01G31/02H01G2/00C01P2002/72C01P2004/03C01P2006/12C01P2006/40C01P2006/16Y02E60/10
Inventor 郑玉婴陈梓涵
Owner FUZHOU UNIV