以钛电极为基体,用热分解法制备Sn-Sb中间层,电沉积方法制备稀土La掺杂PbO2电极,优化了制备改性PbO2电极的电沉积温度、电沉积时间及稀土掺杂量.以苯酚废水为目标有机物,借助于苯酚去除情况分析电极的电催化氧化能力；分析了电极结构与电催化特性之间的关系.采用SEM、EDX和XRD分析了制备电极的表面形貌、元素组成、晶体结构.实验结果表明:电沉积液温度50℃,电沉积2h,稀土镧掺杂量4∶1的PbO2电极降解苯酚电催化性能有明显改善,其去除率达到90.9％.
参考文献
| [1] | Devilliers D;Thi MTD;Mahe E;Dauriac V;Lequeux N .Electro analytical investigations on electrodepo sited lead dioxide[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2004(2):227-239. |
| [2] | Ueda M.;Kameyama T.;Matsumoto Y.;Sekimoto M.;Shimamune T.;Watanabe A. .PERFORMANCE CHARACTERISTICS OF A NEW TYPE OF LEAD DIOXIDE-COATED TITANIUM ANODE[J].Journal of Applied Electrochemistry,1995(9):817-822. |
| [3] | 姜妍妍,郭忠诚,曹梅,陈步明.钛基二氧化铅电极的研究进展[J].表面技术,2010(04):99-102. |
| [4] | 魏敏,李国防,李贯良,王淑英.电沉积制备铁基β-PbO2电极[J].化学世界,2007(06):337-340. |
| [5] | 蔡天晓,鞠鹤,武宏让.β-PbO2电极的改性制备及其性能[J].表面技术,2002(05):22-23. |
| [6] | Peterson I;Ahlber E;Berghult B .Parameters influencing the ratio between electrochemically formed and β-PbO2[J].Journal of Power Sources,1998,76:98-105. |
| [7] | Liu Y;Liu H L .Comparative studies on the electrocatalytic properties of modified PbO2 anodes[J].Electrochimica Acta,2008,53:5077-5083. |
| [8] | 冯玉杰,沈宏,崔玉虹,刘峻峰.钛基二氧化铅电催化电极的制备及电催化性能研究[J].分子催化,2002(03):181-186. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%