Nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material growing on carbon cloth, and preparation method and application of nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material

A nanosheet array, nickel hydroxide technology, applied in the field of nanomaterials, can solve the problems of low capacitance, poor conductivity, low energy density and power density, etc., achieve long-term stability, improve energy density and power density, high energy Effects of Density and Power Density

Inactive Publication Date: 2017-01-04
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, it is found that these traditional electrode materials have more or less their own defects, such as: small active area, poor conductivity, low capacitance, short cycle time, low energy density and power density, due to The existence of these defects makes it difficult to meet the higher application requirements in reality

Method used

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  • Nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material growing on carbon cloth, and preparation method and application of nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material
  • Nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material growing on carbon cloth, and preparation method and application of nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material
  • Nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material growing on carbon cloth, and preparation method and application of nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material

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Effect test

Embodiment 1

[0034] A preparation method based on nickel hydroxide@manganese dioxide core-shell heterostructure nanosheet array material grown on carbon cloth, comprising the following steps:

[0035] a. Put the nickel sheet with impurities on the surface into dilute sulfuric acid, water, and ethanol in sequence for ultrasonic cleaning for 15 minutes;

[0036] b. Mix 50mL double-distilled water, 4mmol nickel chloride hexahydrate, 20mmol ammonium fluoride and 80mmol urea evenly, then add it into a 60mL reaction kettle, soak the treated carbon cloth in the mixture, pour it into the reaction kettle, and tighten the kettle Cover, react at 110°C for 10h, take out the reactor and cool it down to room temperature naturally, wash with ethanol and double distilled water for 3-5 times, rinse well, and dry at 60°C for 2h to obtain nickel hydroxide nanosheet material.

[0037] c. Dissolve 0.5mmol potassium permanganate in 50mL double-distilled water, stir magnetically for 20min to form a uniform solut...

Embodiment 2

[0045] A preparation method based on nickel hydroxide@manganese dioxide core-shell heterostructure nanosheet array material grown on carbon cloth, comprising the following steps:

[0046] a. Put the nickel sheet with impurities on the surface into dilute sulfuric acid, water, and ethanol in sequence for ultrasonic cleaning for 15 minutes;

[0047] b. Mix 50mL double-distilled water, 4mmol nickel chloride hexahydrate, 20mmol ammonium fluoride and 80mmol urea evenly, then add it into a 60mL reaction kettle, soak the treated carbon cloth in the mixture, pour it into the reaction kettle, and tighten the kettle Cover, react at 110°C for 3 hours, take out the reaction vessel and cool it down to room temperature naturally, rinse with ethanol and double distilled water in sequence, and dry at 60°C for 2 hours to obtain the nickel hydroxide nanosheet material.

[0048] c. Dissolve 0.5mmol potassium permanganate in 50mL double-distilled water, stir magnetically for 20min to form a unifo...

Embodiment 3

[0053] A preparation method based on nickel hydroxide@manganese dioxide core-shell heterostructure nanosheet array material grown on carbon cloth, comprising the following steps:

[0054] a. Put the nickel sheet with impurities on the surface into dilute sulfuric acid, water, and ethanol in sequence for ultrasonic cleaning for 15 minutes;

[0055] b. Mix 50mL double-distilled water, 4mmol nickel chloride hexahydrate, 20mmol ammonium fluoride and 80mmol urea evenly, then add it into a 60mL reaction kettle, soak the treated carbon cloth in the mixture, pour it into the reaction kettle, and tighten the kettle Cover, react at 110°C for 10h, take out the reactor and let it cool down to room temperature, rinse it with ethanol and double distilled water in sequence, and dry at 60°C for 2h, to obtain the nickel hydroxide nanosheet material.

[0056] c. Dissolve 0.5mmol potassium permanganate in 50mL double-distilled water, stir magnetically for 20min to form a uniform solution, immers...

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Abstract

The invention provides a nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material growing on carbon cloth, and a preparation method and application of the nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material. Compared with the prior art, the nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material has the advantages that when growing on the carbon cloth, a nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet prepared by the nickel hydroxide @ manganese dioxide core-shell hetero-structured nanosheet array material can be directly used as an electrode material of a super capacitor, so that the flexibility, high stability, high specific capacitance and high energy density and power density of an electrode are realized; furthermore, when the material is assembled into a flexible symmetric super capacitor, the energy density and the power density are increased, and a micro motor is successfully operated.

Description

technical field [0001] The invention belongs to the technical field of nanomaterials, and specifically relates to a nickel hydroxide@manganese dioxide core-shell heterostructure nanosheet array material grown on carbon cloth, a preparation method and its application. Background technique [0002] With the rapid development of science and technology and the upgrading of electronic products, the research on supercapacitor electrode materials has aroused great interest of researchers. [0003] At present, the traditional supercapacitor electrode materials mainly include the following categories: carbon material electrode materials, conductive polymer electrode materials, and metal oxide electrode materials. However, in practical applications, it is found that these traditional electrode materials have more or less their own defects, such as: small active area, poor conductivity, low capacitance, short cycle time, low energy density and power density, due to The existence of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/86H01G11/24H01G11/30H01G11/46B82Y30/00
CPCY02E60/13H01G11/86B82Y30/00H01G11/24H01G11/30H01G11/46
Inventor 张小俊付阳
Owner ANHUI NORMAL UNIV
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