镍阳极中S元素对电化学溶解性能的影响  

Effect of S Element in Nickel Anode on Electrochemical Dissolution Performance

作　　者：卢建波[1] 解雁冰 韩漫漫 夏日辉 王春霞[2] LU Jianbo;XIE Yanbing;HAN Manman;XIA Rihui;WANG Chunxia(Nickel Smelting Plant,Jinchuan Group Co.,Ltd.,Jinchang 737100,China;College of Mate‐rials Science and Engineering,Nanchang Hangkong University,Nanchang 330063,China)

机构地区：[1]金川集团股份有限公司镍冶炼厂,甘肃金昌737100 [2]南昌航空大学材料科学与工程学院,江西南昌330063

出　　处：《电镀与精饰》2022年第10期31-37,共7页Plating & Finishing

摘　　要：针对电解镍板在电解过程中溶解不均匀、易钝化等缺陷,金川集团生产了一种活性很高的含硫电镀专用镍角。通过阳极极化曲线、电位-时间曲线研究了镍阳极中S元素对电化学溶解性能的影响。采用扫描电子显微镜观察镍阳极溶解的微观形貌,采用连续电化学溶解法计量残渣量。结果表明:镍阳极中的S元素降低了阳极的溶解电位和残渣率,提高了溶解活性,使阳极溶解较均匀,无明显的孔洞。In order to solve the defects of the electrolytic nickel plate,such as uneven dissolution and easy passivation,a special and sulfur-containing nickel square with high activity was produced by Jinchuan group. The effect of S element in nickel anode on the electrochemical dissolution performance was studied by anodic polarization curve and potential-time curve. The micromorphology of nickel anodic dissolution was observed by scanning electron microscope. And the amount of residue was measured by continuous electrochemical dissolution method. The results showed that the S element in the nickel anode reduced the dissolution potential and residue rate of the anode,improved the dissolution activity,and made the anode dissolution more uniform without obvious holes.

关 键 词：S元素 镍阳极 电化学溶解 残渣率 耐蚀性 

分 类 号：TQ151.4[化学工程—电化学工业]