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Carbon fiber cloth loaded nano needle-shaped nickel-cobalt bimetallic selenide crystal array film and preparation method thereof

A technology of carbon fiber cloth and crystal array, which is applied in the field of carbon fiber cloth-loaded nano needle-shaped nickel-cobalt double metal selenide crystal array film and its preparation, can solve the problems of rare research reports on double transition metal selenide crystal film, and improve the application value, high-efficiency pseudocapacitive performance, and the effect of improving electron transport efficiency

Pending Publication Date: 2021-06-25
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, the research reports on double transition metal selenide crystal thin films with low-dimensional array structure are relatively rare

Method used

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  • Carbon fiber cloth loaded nano needle-shaped nickel-cobalt bimetallic selenide crystal array film and preparation method thereof
  • Carbon fiber cloth loaded nano needle-shaped nickel-cobalt bimetallic selenide crystal array film and preparation method thereof
  • Carbon fiber cloth loaded nano needle-shaped nickel-cobalt bimetallic selenide crystal array film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 0.4759g CoCl 2 .6h 2 O and 0.4753G NICL 2 .6h 2 O Soluble in 20 ml of deionized water, stirring to obtain a homogeneous mixed solution A, wherein the total molar concentration of nickel ions and cobalt ions is 0.20 mol / liter, the molar concentration ratio of nickel ions and cobalt ions is 1: 1. 0.3159 g of selenium powder was dissolved in 20 ml of hydrated hydratism solution, wherein the selenium content was 0.2 mol / liter, the hydrated hydrate solution was uniformly mixed from 10 ml (85%) hydrated hydrate solution and 10 ml of deionized water; The mixed solution B is slowly added dropwise to the agitation mixed solution A, ultrasonic 30min, to obtain a homogeneous solution C; immersed the activated carbon fiber cloth in solution C, soak 5 hours; then liquid C, together with activated carbon fiber cloth, together In the stainless steel autoclave in 85 ml of the polytetrafluoroethylene lining, the reaction was sealed at 180 ° C for 12 hours; after the reaction, the reacto...

Embodiment 2

[0047] 0.2379g CoCl 2 . 6h 2 O and 0.2377G NICL 2 . 6h 2 O Soluble in 20 ml of deionized water, stirring to obtain a homogeneous mixed solution A, wherein the total molar concentration of nickel ions and cobalt ions is from 0.10 mol / liter, the molar concentration ratio of nickel ions and cobalt ions is 1: 1. 0.3159 g of selenium powder was dissolved in 20 ml of hydrated hydratism solution, wherein the selenium content was 0.2 mol / liter, the hydrated hydrate solution was uniformly mixed from 10 ml (85%) hydrated hydrate solution and 10 ml of deionized water; The mixed solution B is slowly added dropwise to the agitation mixed solution A, ultrasonic 30min, to obtain a homogeneous solution C; immersed the activated carbon fiber cloth in solution C, soak 5 hours; then liquid C, together with activated carbon fiber cloth, together In the stainless steel autoclave in 85 ml of the polytetrafluoroethylene liner, it was closed at 150 ° C for 24 hours; after the reaction was completed...

Embodiment 3

[0050] 0.4759g CoCl 2 .6h 2 O and 0.4753G NICL 2 .6h 2 O Soluble in 20 ml of deionized water, stirring to obtain a homogeneous mixed solution A, wherein the total molar concentration of nickel ions and cobalt ions is 0.20 mol / liter, the molar concentration ratio of nickel ions and cobalt ions is 1: 1. 0.3159 g of selenium powder was dissolved in 20 ml of hydrated hydratism solution, wherein the selenium content was 0.2 mol / liter, the hydrated hydrate solution was uniformly mixed from 10 ml (85%) hydrated hydrate solution and 10 ml of deionized water; The mixed solution B is slowly added dropwise to the agitation mixed solution A, ultrasonic 30min, to obtain a homogeneous solution C; immersed the activated carbon fiber cloth in solution C, soak 5 hours; then liquid C, together with activated carbon fiber cloth, together In the stainless steel autoclave of 85 ml of the polytetrafluoroethylene liner, the reaction was sealed for 18 hours at 165 ° C; after the reaction, the reactor...

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Abstract

The invention discloses a carbon fiber cloth loaded nano needle-shaped nickel-cobalt bimetallic selenide crystal array thin film and a preparation method thereof. The preparation method mainly comprises the following steps: taking soluble nickel salt, soluble cobalt salt and selenium powder as raw materials, taking activated carbon fiber cloth as a substrate, preparing a nano needle-shaped nickel-cobalt bimetallic selenide thin film precursor through a hydrothermal method, performing the heat treatment on the precursor under protection of inert gas, and obtaining the nanometer needle-shaped nickel-cobalt bimetallic selenide crystal array thin film. The preparation method of the needle-shaped crystal array thin film disclosed by the invention has the characteristics of simple process and easiness in operation; the nickel-cobalt bimetallic selenide crystal film is directly combined with the activated carbon fiber cloth through the end points of the low-dimensional array, so that the active sites are increased, and the conductivity and the stability of the material are improved. The nano needle-shaped nickel-cobalt bimetallic selenide crystal array film has wide application prospects in the fields of energy storage, catalysis and the like.

Description

Technical field [0001] The present invention relates to a compound semiconductor film, and more particularly to a carbon fiber cloth load nanopic nickel-cobalt bis metal selenide crystal array film and a preparation method thereof. Background technique [0002] Nanotrochemicals are a class of excellent semiconductor materials that have broad application prospects in the field of optics, electromagnetic, optoelectronics, nonlinear optical, nonlinear thermal, biomedicine. Transition metal selenide as a non-chemical measurement ratio, M x SE (M = Ni, CO, MN) has a special electronic configuration, a rich unsaturated key, and a stable object at room temperature show a large amount of electrochemically active site and high-speed charge transfer channel to become potential energy storage. And catalytic materials. [0003] At present, the transition metal selenide is mostly powdered material. ZHAO et al. Employs a simple two-step solvent heat method, a selenium nickel-cobalt nanoparticl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B81B7/04B81C1/00
CPCB81B7/04B81C1/00031B81C1/00111
Inventor 金达莱周珈民汪丽娜王龙成
Owner ZHEJIANG SCI-TECH UNIV
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