电沉积条件对Ti/Sb-SnO_2/β-PbO_2电极性能的影响  

Influence of Electrodeposition Conditions on the Performance of Ti/Sb-SnO_2/β-PbO_2 Electrode

作　　者：杨卫华[1] 王鸿辉[1] 付芳[1] 黄婷婷[1] 

机构地区：[1]华侨大学材料科学与工程学院,福建泉州362021

出　　处：《华侨大学学报（自然科学版）》2010年第3期297-301,共5页Journal of Huaqiao University(Natural Science)

基　　金：国家自然科学基金资助项目(20575023)

摘　　要：采用电沉积法镀制Ti/Sb-SnO2/β-PbO2电极,研究电沉积时间、镀液温度、pH值、NaF浓度,以及电流密度等因素对电极催化活性和稳定性的影响规律.结果表明,当电沉积时间为1 h,镀液温度为60℃,镀液pH值为1,NaF浓度为0.04 mol.L-1,组合电流密度为600/400 A.m-2(梯度电流密度)时,电极性能最佳,对苯酚降解率达91.4%,强化寿命为23 h.Ti/Sb-SnO2/β-PbO2 electrodes were prepared by an electrodeposition method.Influence of experimental conditions including electrodeposition time,temperature,pH value,concentration of NaF and current density,on the electrocatalytic activity and stability of the electrode were studied.Results show that when the electrodeposition time is 1 h,the temperature is 60 ℃,pH is 1,the concentration of NaF is 0.04 mol·L-1,and the current density is 600/400 A·m-2,the electrode exhibits the best performance.The degradation ratio of phenol and strength lifetime can reach 91.4% and 23 h,respectively.

关 键 词：电沉积 Ti/Sb-SnO2/-βPbO2电极 电催化活性 稳定性 

分 类 号：O646.54[理学—物理化学]