电化学石英晶体微天平研究电沉积镍  

Study on Nickel Electrodepositing by Electrochemical Quartz Crystal Microbalance

作　　者：张青芳[1] 曾明[1] 陈超[2] 王翠琼 蒋银燕[1] ZHANG Qing-fang;ZENG Ming;CHEN Chao;WANG Cui-qiong;JIANG Yin-yan(Department of Chemistry, Faculty of preclinical medicine, Changsha Medical University, Changsha 400219, China;College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China)

机构地区：[1]长沙医学院基础医学院,湖南长沙400219 [2]湖南师范大学化学化工学院,湖南长沙400081

出　　处：《精细化工中间体》2017年第5期67-70,共4页Fine Chemical Intermediates

基　　金：湖南省教育厅科学研究项目(16C0152;17C0151)

摘　　要：为研究不同温度和pH值对电还原硫酸镍过程的影响,优化电沉积镍的条件,采用石英晶体微天平结合电化学工作站循环扫描方法,通过改变pH、沉积液温度等不同条件,研究镍的电沉积速率的变化规律。电极表面频率的下降速率和扫描电镜结果显示,缓冲系有利于晶粒细化,温度升高使得电沉积镍的沉积速率增大。In order to study the influence of different temperature and H value on the process of electro reduction of nickel sulfate, the conditions of pH and deposition liquid temperature were optimized, the deposition process of nickel salt was studied by quartz crystal microbalance combined with electrochemical workstation scanning method. Judging from the decrease rate of the electrode surface frequency and scanning electron microscope（SEM） images, the buffer system is good for grain refinement, and the deposition rate of electrodeposited nickel increases with the increase of temperature.

关 键 词：镍的电沉积 机理 缓冲系 石英晶体微天平 

分 类 号：O657.1[理学—分析化学]