Preparation method for cuprous oxide coated molding carbon material

A cuprous oxide and overmolding technology, which is applied in biochemical fuel cells, final product manufacturing, sustainable manufacturing/processing, etc., can solve the difficulty of controlling particle layer density and thickness, high energy costs and raw material costs, and raw material loss rate Advanced problems, to achieve the effects of mass production, stable film forming effect, and high current utilization rate

Inactive Publication Date: 2018-08-14
ZHEJIANG UNIV
View PDF3 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reported carbon materials that can be used as cuprous oxide substrates are only micro- and nano-scale discrete forms such as graphene, carbon nanotubes, carbon nanohorns, and graphite particles, which are more widely used on shaped carbon material substrates. Simple and controllable technology for preparing cuprous oxide particles has not been reported yet
At present, most methods such as chemical vapor deposition, hydrothermal method, sol-gel method, and in-situ pyrolysis method are used to support cuprous oxide on dispersed carbon materials such as graphene, carbon nanotubes, carbon nanohorns, and graphite par

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method for cuprous oxide coated molding carbon material
  • Preparation method for cuprous oxide coated molding carbon material
  • Preparation method for cuprous oxide coated molding carbon material

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

Specific Example 1

[0032] Preparation of cuprous oxide coated graphite plate electrode:

[0033] Cut the high temperature pyrolysis graphite board into an area of ​​4cm 2 Use P400 sandpaper, P1500 sandpaper and 0.05μm aluminum powder to polish all sides of the high-temperature pyrolytic graphite board until it is smooth, except for an area of ​​4cm 2 Paste the other side of the graphite board with waterproof insulating tape. Suspend a piece of electrode in 50mL of a mixed solution of 0.1M copper nitrate and 3M lactic acid with pH=12.0 and T=40℃, with the exposed surface facing a piece of area 9cm 2 A square platinum sheet with an electrode spacing of 2cm. Connect the graphite plate with the working electrode of the electrochemical workstation, and connect the platinum sheet with the reference electrode and the counter electrode to construct a two-electrode electrolytic cell system. Send 1mA·cm to the working electrode -2 (Total current is calculated according to the exposed area...

Example Embodiment

Specific Example 2

[0037] Prepare cuprous oxide coated graphite plate electrodes with different electrodeposition times for multiple samples:

[0038] Cut the high-temperature pyrolytic graphite board into 4 pieces with an area of ​​4cm 2 Square, and perform the following treatment: use P400 sandpaper, P1500 sandpaper and 0.05μm aluminum powder to polish all sides of the high-temperature pyrolytic graphite board until it is smooth, except for an area of ​​4cm 2 Paste the other side of the graphite board with waterproof insulating tape. Suspend a piece of electrode in 50mL of a mixed solution of 0.1M copper nitrate and 3M lactic acid with pH=12.0 and T=40℃, with the exposed surface facing a piece of 9cm in area 2 A square platinum sheet with an electrode spacing of 2cm. Connect the graphite plate with the working electrode of the electrochemical workstation, and connect the platinum sheet with the reference electrode and the counter electrode to construct a two-electrode electroly...

Example Embodiment

Specific Example 3

[0042] Except for the following adjusted parameters, the preparation method of the cuprous oxide overmolded carbon material of this embodiment is the same as that of specific example 1, and the adjusted specific parameters are:

[0043] Graphite rod is used as the base material, and the mixed solution of 0.2M copper nitrate and 4M acetic acid at pH=9.0 and T=60℃ is used as the electrolyte. -2 Reduce at the current density for 2h, rinse with deionized water 4 times, soak in deionized water for 20min, wrap with aluminum foil, and vacuum dry at 60℃ for 4h.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the field of new energy and sewage treatment, and aims at providing a preparation method of a cuprous oxide coated molding carbon material. The method comprises the followingsteps of grinding and cleaning a molding carbon material, and soaking in mixed solution of copper nitrate and a stabilizer; carrying out electric reduction treatment; washing with deionized water, andsoaking in the deionized water at room temperature; and carrying out vacuum drying under a dark condition to obtain the cuprous oxide coated molding carbon material. According to the method, the molding carbon material is used as a cuprous oxide substrate material for the first time and more conforms to the actual application requirements; a prepared product has remarkable photoelectric responseunder the visible light irradiation; the thickness of a cuprous oxide thin film can be adjusted by regulating the current density and the electrodeposition time; the preparation method is simple, thefilm forming effect is stable, and mass production is facilitated. The method is carried out at low temperature, the current density is small, the current utilization rate is high, and the energy costis low. The used electrolyte is low in heavy metal content and easy to treat.

Description

technical field [0001] The invention relates to a fast and controllable method for preparing a carbon material coated with cuprous oxide. The material can be used in rechargeable batteries, photocatalysis, electrocatalysis, microbial fuel cells, solar cells, supercapacitors, etc., and belongs to the field of new energy and sewage treatment. Background technique [0002] With the rapid development of human society, the problems caused by energy shortage and environmental pollution have become increasingly prominent. It is an urgent need to develop clean and renewable new energy and related energy materials, and to find new environmental treatment technologies with high efficiency and no secondary pollution. Solved hot issues. [0003] Cuprous oxide is a class of energy and environmental materials that has received great attention in recent years. It can be applied to many fields such as photocatalysis, electrocatalysis, microbial fuel cells, rechargeable batteries, solar cel...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01M4/90H01M4/96H01M8/16C04B41/85C04B41/50
CPCC04B41/009C04B41/5074C04B41/85H01M4/9016H01M4/96H01M8/16C04B35/522Y02E60/50Y02P70/50
Inventor 成少安李超超
Owner ZHEJIANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap