BDD composite electrode material and preparation method for same, BDD composite electrode

A boron-doped diamond and composite electrode technology, which is applied in the field of electrocatalytic oxidation electrode material preparation, can solve the problems of poor photocatalytic performance of BDD electrodes, poor photocatalytic performance, and poor performance of electrode materials, so that carrier transport is more likely to occur, The effect of simplifying the preparation method and improving the Hall mobility

Active Publication Date: 2020-01-03
河南省功能金刚石研究院有限公司 +1
View PDF2 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The first object of the present invention is to provide a boron-doped diamond composite electrode material to solve the problem of poor photocatalytic performance of BDD-containing electrode materials in the prior art
[0005] The second object of the present invention is to provide a method for preparing a boron-doped diamond composite electrode material, so as to solve the problem

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
  • BDD composite electrode material and preparation method for same, BDD composite electrode
  • BDD composite electrode material and preparation method for same, BDD composite electrode
  • BDD composite electrode material and preparation method for same, BDD composite electrode

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] Example 1

[0035] The boron-doped diamond composite electrode material of this embodiment includes a BDD layer as a substrate, an Au layer disposed on the BDD layer, and TiO disposed on the Au layer 2 Floor.

[0036] 2. An embodiment of the preparation method of boron-doped diamond composite electrode material, where BDD is carried on a silicon substrate (silicon-based BDD), and silicon-based BDD is purchased from Zhengzhou Abrasives and Grinding Research Institute Co., Ltd., and can also be used There are techniques for preparation, such as preparation by microwave plasma chemical vapor deposition.

Example Embodiment

[0037] Example 2

[0038] The preparation method of the boron-doped diamond composite electrode material of the present invention describes the preparation of the boron-doped diamond composite electrode material of Example 1, and specifically includes the following steps:

[0039] 1) Use acetone, absolute ethanol, and deionized water to clean the BDD ultrasonically. Sputter Au on the surface of the BDD using an ion sputtering instrument to obtain an Au / BDD composite material containing an Au layer; the sputtering target for sputtering Au is an Au target , The sputtering current is 4mA, and the sputtering time is 90s;

[0040] 2) Electrophoretic deposition is carried out on the Au layer of the Au / BDD composite material, and the electrophoretic solution for electrophoretic deposition is TiO 2 Sol, electrophoretic deposition and heat treatment to TiO 2 Conversion of sol to TiO 2 , Namely get TiO on the surface of Au layer 2 Layer; repeated electrophoretic deposition and heat treatment, ...

Example Embodiment

[0041] Example 3

[0042] The preparation method of the boron-doped diamond composite electrode material of this embodiment includes the following steps:

[0043] 1) Use acetone, absolute ethanol, and deionized water to clean the BDD ultrasonically. Sputter Au on the surface of the BDD using an ion sputtering instrument to obtain an Au / BDD composite material containing an Au layer; the sputtering target for sputtering Au is an Au target , The sputtering current is 4mA, and the sputtering time is 60s;

[0044] 2) Electrophoretic deposition is carried out on the Au layer of the Au / BDD composite material, and the electrophoretic solution for electrophoretic deposition is TiO 2 Sol, electrophoretic deposition and heat treatment to TiO 2 Conversion of sol to TiO 2 , Namely get TiO on the surface of Au layer 2 Layer; repeated electrophoretic deposition and heat treatment, the total number of treatments is 3 times; TiO 2 The sol is prepared by hydrolysis of organic titanium salt tetrabutyl ...

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

PropertyMeasurementUnit
Hall mobilityaaaaaaaaaa
Login to view more

Abstract

The invention discloses a BDD composite electrode material and a preparation method for the same, and a BDD composite electrode. The BDD composite electrode material comprises a BDD layer which is taken as a substrate, an Au layer disposed on the BDD layer and a TiO2 layer disposed on the Au layer. The BDD composite electrode material disclosed by the invention is an electrode material with a Z-type carrier transport mechanism and has good electric and electrochemical performance; photoelectron catalysis performance of the electrode material is enhanced; and cost of the electrode material is reduced. The preparation method disclosed by the invention has the beneficial effects that the technology of the preparation method for the BDD contained electrode material is simplified; cost is reduced; and energy consumed by the prepared electrode material is reduced.

Description

technical field [0001] The invention relates to the technical field of preparation of electrocatalytic oxidation electrode materials, in particular to a boron-doped diamond composite electrode material and a preparation method thereof, and a boron-doped diamond composite electrode. Background technique [0002] Electrocatalytic oxidation is a form of advanced oxidation. Compared with other oxidation methods, it is an environmentally friendly technology and has great application prospects in sewage treatment. The key to electrocatalytic oxidation technology is the electrode material. As an electrode material, boron-doped diamond (BDD) has the characteristics of low background current, wide potential window, and strong corrosion resistance. It has great application potential in the field of electrocatalytic oxidation. However, the cost of BDD is relatively high, and the electrocatalytic efficiency still needs to be improved. [0003] “A simple process for the deposition of Ti...

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): C23C14/34C23C14/18C25D13/02C02F1/461
CPCC23C14/34C23C14/185C25D13/02C02F1/46109C02F2001/46142
Inventor 王海龙李强李智强闫宁王志强张珂皓王溢仁邵刚李明亮范冰冰许红亮卢红霞张锐
Owner 河南省功能金刚石研究院有限公司
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