镀液中氨基磺酸镍质量浓度对电镀镍层析氢催化活性的影响  

Effect of mass concentration of nickel sulfamate in bath on catalytic activity of nickel coating for hydrogen evolution

作　　者：王宜鑫 邢乐红[1] 石鑫婷 孟凡旭 张亮 董瑞 WANG Yixin;XING Lehong;SHI Xinting;MENG Fanxu;ZHANG Liang;DONG Rui(School of Chemistry and Chemical Engineering,Mudanjiang Normal University,Mudanjiang 157012,China)

机构地区：[1]牡丹江师范学院化学化工学院,黑龙江牡丹江157012

出　　处：《电镀与涂饰》2022年第1期6-9,共4页Electroplating & Finishing

基　　金：牡丹江师范学院国家培育项目(GP2021002);黑龙江省牡丹江市科学技术局项目(SQ2020JG115);牡丹江师范学院课程专项项目(KCSZ-2020021);黑龙江省大学生创新创业项目(202110233043);牡丹江师范学院硕士研究生科技创新项目(kjcx2020-80mdjnu)。

摘　　要：采用由10 g/L NiCl_(2)·6H_(2)O、30 g/L NH_(4)Cl和310~390 g/L Ni(NH_(2)SO_(3))2·4H_(2)O(氨基磺酸镍)组成的镀液(pH=3.8),在温度35°C和电流密度3 A/dm^(2)的条件下电镀30 min,获得镍电极。研究了镀液中氨基磺酸镍质量浓度对镍镀层表面形貌和析氢催化活性的影响。结果表明,镀液中氨基磺酸镍质量浓度为350 g/L时,镍镀层结晶最细致,析氢催化活性和稳定性最佳。A nickel electrode was obtained by electroplating nickel on pure copper in a bath(pH=3.8)comprising NiCl_(2)·6H_(2)O 10 g/L,NH_(4)Cl 30 g/L,and Ni(NH_(2)SO_(3))2·4H_(2)O(nickel sulfamate)310-390 g/L at temperature 35°C and current density 3 A/dm^(2) for 30 minutes.The effect of mass concentration of nickel sulfamate on surface morphology of the nickel coating and its catalytic activity for hydrogen evolution reaction was studied.The results showed that the nickel coating electroplated with nickel sulfamate 350 g/L was the finest and most compact with the best catalytic activity and stability in hydrogen evolution reaction.

关 键 词：电镀镍 氨基磺酸镍 析氢反应 催化活性 稳定性 

分 类 号：TQ153.12[化学工程—电化学工业]