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A kind of preparation method of nanoscale elemental bismuth

A nano-scale, elemental technology, applied in nanotechnology, structural parts, electrical components, etc., can solve the problems of lack of elemental bismuth nanomaterials, unsuitable for mass production, etc. High surface area effect

Active Publication Date: 2020-03-13
SUN YAT SEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few studies on elemental bismuth nanomaterials, especially in the field of energy storage, and many reported methods are not suitable for mass production

Method used

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  • A kind of preparation method of nanoscale elemental bismuth
  • A kind of preparation method of nanoscale elemental bismuth
  • A kind of preparation method of nanoscale elemental bismuth

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Experimental program
Comparison scheme
Effect test

Embodiment 2~5

[0022] Based on the scheme of Example 1, the growth of elemental bismuth is affected by adjusting different reaction conditions, and the relationship is shown in Table 1.

[0023] Table 1

[0024]

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Abstract

The invention provides a preparation method of nanoscale elemental bismuth. The nanoscale elemental bismuth is grown on a conductive carbon fabric by an electrochemical deposition method, an electrolyte is a mixed aqueous solution of a bismuth salt, cetyl trimethyl ammonium bromide and a ethylenediaminetetraacetic acid disodium salt, the concentration of the bismuth salt is (5-30)mmol / L, the concentration of the cetyl trimethyl ammonium bromide is (30-80)mmol / L, the concentration of the ethylenediaminetetraacetic acid disodium salt is (0.1-0.3)mol / L, the electroplating voltage is (-1)-0V, and the electroplating time is 10-90 minutes. The preparation method provided by the invention has the advantage of low energy consumption and is simple to operate and easy to implement, the raw material is simple and available, the prepared elemental bismuth nanometer material has the advantages of high specific area, excellent conductivity and good energy storage performance, a good negative electrode material is provided for the current problem of energy storage, and the preparation method has great application prospect.

Description

technical field [0001] The invention belongs to the technical field of preparation of energy storage materials, and more specifically relates to a preparation method of nanoscale elemental bismuth. Background technique [0002] With the explosive growth of population and the rapid development of society, as one of the cornerstones of social and emergency development, human needs for energy are also increasing. However, the existing traditional fossil energy can no longer meet the various needs of the future society for energy for a long time. In addition, with the development of fossil energy, the greenhouse effect is becoming more and more serious, the ecological environment is deteriorating, and the problem of uneven regional energy distribution can be solved. Renewable green energy has become the focus of attention. With the development of social economy and science and technology, the development and utilization of various new energy sources requires the development of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/38H01M10/36B82Y40/00
CPCB82Y40/00H01M4/38H01M10/36Y02E60/10
Inventor 卢锡洪郑海兵冯浩槟曾银香张敏程发良童叶翔
Owner SUN YAT SEN UNIV