新型钛基PbO2电极的制备及电催化性能研究

山东大学学报(工学版)

新型钛基PbO₂电极的制备及电催化性能研究

李善评，胡振，孙一鸣^*, 甄博如，张启磊，曹翰林

山东大学环境科学与工程学院，山东济南250100

收稿日期:2007-02-09 修回日期:1900-01-01 出版日期:2007-06-24 发布日期:2007-06-24
通讯作者: 李善评

Preparation and evaluation of the electro-catalytic characteristics of novel lead Ti-based dioxide electrodes

LI Shan-ping,HU Zhen,SUN Yi-ming^*, ZHEN Bo-ru,ZHANG Qi-lei,CAO Han-lin

School of Environmental Science and Engineering,Shandong University,Jinan 250100,China

Received:2007-02-09 Revised:1900-01-01 Online:2007-06-24 Published:2007-06-24
Contact: LI Shan-ping

摘要/Abstract

摘要： 采用电沉积法制备分别掺杂了Bi,La和Ni的3种钛基PbO₂电极，通过酸性嫩黄模拟废水的脱色率比较不同金属掺杂对电极性能的影响.并利用循环伏安法(CV)和扫描电镜(SEM)，分别对掺Ni二氧化铅电极和普通二氧化铅电极进行表征，发现提高电极析氧电位和改变电极表面晶粒分布是Ni修饰电极比未修饰电极催化效果提高的主要原因.

关键词: 二氧化铅电极, 电催化, 氧过电位, 酸性嫩黄,

Abstract: Bi (La, Ni)-doped lead dioxide electrodes on Ti substrate were prepared by electro-deposition, and their performances were compared by measurements of the decolored ratio of Acid Bright Yellow 2G. Tests of cyclic voltametry and SEM were used to characterize the Ni-doped and normal lead dioxide electrodes. The results show that the increase of oxygen evolution potential and the optimization of distribution of surface grains contribute to the improvement of the electro-catalytic performance of the Nidoped electrode.

Key words: electro-catalytic, oxygen evolution potential, Acid Bright Yellow 2G , lead dioxide electrode

中图分类号:

X703.1

李善评,胡振,孙一鸣,甄博如,张启磊,曹翰林 . 新型钛基PbO₂电极的制备及电催化性能研究[J]. 山东大学学报(工学版), 2007, 37(3): 109-113 .

LI Shan-ping,HU Zhen,SUN Yi-ming*,ZHEN Bo-ru,ZHANG Qi-lei,CAO Han-lin . Preparation and evaluation of the electro-catalytic characteristics of novel lead Ti-based dioxide electrodes[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2007, 37(3): 109-113 .

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新型钛基PbO₂电极的制备及电催化性能研究

Preparation and evaluation of the electro-catalytic characteristics of novel lead Ti-based dioxide electrodes

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