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A preparation method of electrocatalytic hydrolysis multi-level composite material and its products and applications

A composite material and electrocatalysis technology, which is applied in the direction of electrolysis components, electrolysis process, electrodes, etc., can solve the problems of high requirements for operating conditions and cumbersome multi-level composite materials, and achieve high repeatability, excellent electrocatalysis activity, and equipment less demanding effect

Active Publication Date: 2020-07-03
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing technology for preparing multi-level composite materials is cumbersome and requires high operating conditions. Therefore, it is urgent to develop a preparation process for metal oxide composite materials with multi-level nanostructures and simple operations.

Method used

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  • A preparation method of electrocatalytic hydrolysis multi-level composite material and its products and applications
  • A preparation method of electrocatalytic hydrolysis multi-level composite material and its products and applications

Examples

Experimental program
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Effect test

Embodiment 1

[0029] An electrocatalytic hydrolyzed Cu 2 The preparation method of O / single-walled carbon nanotube / graphene oxide multilevel composite material comprises the steps:

[0030] (1) Add 5 mg of single-walled carbon nanotubes and 5 mg of graphene oxide into 10 ml of deionized water, and disperse ultrasonically for 50 minutes to obtain a 1.0 g / L single-walled carbon nanotube / graphene oxide dispersion.

[0031] (2) Under magnetic stirring, take 50ml of prepared 2M cupric chloride solution, add 1.0g / L single-walled carbon nanotube / graphene oxide dispersion liquid thereinto, then add 1.5g / L n-octylamine, then Add 2M sodium hydroxide solution dropwise at a rate of two drops per second, continue stirring for 20 minutes, add 3.4ml of 1.0M glucose solution dropwise at a rate of two seconds per drop, and after continuing stirring for 3 hours, transfer the mixture to 250ml polytetrafluoroethylene In the lined autoclave, react at 80 °C for 6 h, cool to room temperature, centrifuge, wash wi...

Embodiment 2

[0034] An electrocatalytic hydrolyzed Cu 2 The preparation method of O / single-wall carbon nanotube / graphene oxide multilevel composite material comprises the steps:

[0035] (1) Add 5 mg of single-walled carbon nanotubes and 5 mg of graphene oxide into 10 ml of deionized water, and disperse ultrasonically for 50 minutes to obtain a 1.0 g / L single-walled carbon nanotube / graphene oxide dispersion.

[0036] (2) Under magnetic stirring, take 50ml of prepared 2M cupric chloride solution, add 1.0g / L single-walled carbon nanotube / graphene oxide dispersion liquid thereinto, then add 1.5g / L n-octylamine, then Add 2.5M sodium hydroxide solution dropwise at a rate of two drops per second, continue stirring for 20 minutes, add 6.0ml of 1.0M glucose solution dropwise at a rate of two seconds per drop, and continue stirring for 3 hours, then transfer the mixture to 250ml polytetrafluoroethylene In an autoclave lined with ethylene, react at 80°C for 6h, cool to room temperature, centrifuge,...

Embodiment 3

[0039] An electrocatalytic hydrolyzed Cu 2 The preparation method of O / single-walled carbon nanotube / graphene oxide multilevel composite material comprises the steps:

[0040] (1) Add 5 mg of single-walled carbon nanotubes and 5 mg of graphene oxide into 10 ml of deionized water, and disperse ultrasonically for 50 minutes to obtain a 1.0 g / L single-walled carbon nanotube / graphene oxide dispersion.

[0041] (2) Under magnetic stirring, take 50ml of prepared 2M cupric chloride solution, add 1.0g / L single-walled carbon nanotube / graphene oxide dispersion liquid thereinto, then add 1.5g / L n-octylamine, then Add 3M sodium hydroxide solution dropwise at a rate of two drops per second, continue stirring for 25 minutes, add 10ml of 1.0M glucose solution dropwise at a rate of two seconds per drop, and continue stirring for 3 hours, then transfer the mixture to a 250ml polytetrafluoroethylene liner In the autoclave inside, react at 90°C for 6h, cool to room temperature, centrifuge, wash...

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Abstract

The invention discloses a preparation method for an electro-catalytic hydrolytic hierarchical composite material as well as a product and application of the electro-catalytic hydrolytic hierarchical composite material. The preparation method comprises the following steps that single-wall carbon nano tubes and graphene oxide are dispersed in water to obtain a single-wall carbon nano tube / graphene oxide dispersion liquid; and the single-wall carbon nano tubes, the graphene oxide, a surfactant, alkali and glucose are sequentially added into a copper salt solution, after the reaction, the reactionproduct undergoes cooling, washing and drying to obtain the Cu2O / single-wall carbon nano tube / graphite oxide hierarchical composite material. According to the preparation method, the product and theapplication, the preparation process is simple and easy to control, the requirement for equipment is low, moreover, the effect of being environment-friendly is achieved, the cost is low, the economicbenefit is good, and the application prospect is good; and the Cu2O / single-wall carbon nano tube / graphene oxide hierarchical nano structure is compact in combination, uniform in particle size distribution and regular in morphology and has the advantage of being excellent in catalytic performance.

Description

technical field [0001] The invention belongs to the technical field of catalyst preparation, in particular to an electrocatalyzed hydrolyzed Cu 2 O / single-wall carbon nanotube / graphite oxide multilevel composite material preparation method and its products and applications. Background technique [0002] Hierarchical nanostructures are composed of zero-dimensional, one-dimensional, and two-dimensional nanomaterials aggregated into stable and ordered structures with a certain regular geometric appearance under the action of non-covalent bonds. Because of its unique composition and appearance, it will produce synergistic properties that were not previously available while maintaining the excellent nano-characteristics of the monomer. [0003] The existing technology for preparing multi-level composite materials is cumbersome and requires high operating conditions. Therefore, it is urgent to develop a preparation process for metal oxide composite materials with multi-level nano...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B11/06C25B1/04B82Y40/00
CPCB82Y40/00C25B1/04C25B11/091Y02E60/36
Inventor 金伟尹伊建陈建平
Owner JIANGNAN UNIV