CeO2 nanoparticle modified boron-doped diamond electrode, preparation method and application thereof

By modifying BDD electrodes with CO-Ce chemically bonded CeO2 nanoparticles formed through heat treatment and thermal decomposition, the problems of surface inertness and weak bonding of BDD electrodes are solved, and the electrochemical reaction kinetics and degradation efficiency are significantly improved.

CN122403578APending Publication Date: 2026-07-17JIANGXI SCI & TECH NORMAL UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202610423243.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The inertness of the existing BDD electrode surface leads to slow electrochemical reaction kinetics, and the weak bonding force of nanoparticles on the surface affects the electrocatalytic degradation efficiency.

Method used

The surface of the BDD is made hydrophilic by heat treatment, then impregnated with a cerium salt precursor solution and thermally decomposed to form CO-Ce chemically bonded CeO2 nanoparticles, achieving uniform dispersion.

Benefits of technology

It significantly improves electrochemical reaction kinetics and organic pollutant degradation efficiency, enhances nanoparticle stability, maximizes active sites, and nearly doubles the degradation rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122403578A_ABST
    Figure CN122403578A_ABST
Patent Text Reader

Abstract

本申请属于电极材料技术领域，具体涉及一种CeO2纳米颗粒修饰的掺硼金刚石电极及其制备方法和应用。该方法为将预处理后的掺硼金刚石电极进行热处理，得到热处理的掺硼金刚石基底；然后将掺硼金刚石基底浸渍于铈盐前驱体溶液中，浸渍结束后将进行热分解处理，冷却，得到所述CeO2纳米颗粒修饰的掺硼金刚石电极。发明通过低浓度前驱体和优化的热分解工艺，成功在BDD晶面上获得了粒径为数十纳米的、均匀分散的CeO2纳米颗粒，有效避免了高浓度或电化学沉积法易出现的团聚或连续膜层覆盖问题，最大限度地暴露了活性位点并保留了BDD基底的原有特性，在有机废水处理领域具有广阔的应用前景。
Need to check novelty before this filing date? Find Prior Art