钛基DSA阳极在电镀铬工艺中的应用研究

中国腐蚀与防护学报

2013, Vol. 33

Issue (6): 507-514

研究论文

本期目录 | 过刊浏览

钛基DSA阳极在电镀铬工艺中的应用研究

宋琴^1,2 武俊伟^1,2 张辉^1,2 杜翠薇³

1. 哈尔滨工业大学深圳研究生院材料科学与工程学院深圳 518055;
2. 深圳市新材料技术重点实验室深圳 518055;
3. 北京科技大学腐蚀与防护中心北京 100083

Performance of Ti-based Dimensionally Stable Anode for Chromium Plating Application

SONG Qin^1,2, WU Junwei^1,2, ZHANG Hui^1,2, DU Cuiwei³

1. School of Materials Science and Engineering, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, China;
2. Shenzhen New Material Technology Key Laboratory, Shenzhen 518055, China;
3. Corrosion and Protection Center, University of Science and Technology Beijing, Beijing 100083,China

全文: PDF(3183 KB)

摘要: 通过Hull槽电解、电化学特性和长期稳定性测试的方法研究了DSA (IrO₂，Ta₂O₅)，DSA (IrO₂，Pt) 阳极和PbSn合金阳极在电镀铬溶液中的性能，并进行对比分析。结果表明，钛基DSA阳极真实活性比表面远远大于其几何表面；在镀铬溶液中表现出较低的析氧电位和较好的电催化活性，尤其是DSA (IrO₂，Pt) 阳极在高电流密度下表现出更好的电催化活性；但是由于溶液中的F^-添加剂侵蚀Ti基体使得钛基涂层阳极在镀铬溶液中的稳定性和寿命均比PbSn合金阳极短。

关键词 ： DSA阳极, 析氧电位, 催化活性, 稳定性

Abstract：Ti-based oxide-coated anodes have been widely utilized in trivalent chromium solution, but few in hexavalent chromium plating process. In this paper, by means of Hull cell, electrochemical measurement, long term stability test, the performance of DSA (IrO₂, Ta₂O₅) and DSA (IrO₂, Pt) anode in hexavalent chromium process is studied in comparison with tin-lead alloy anode. The results show that DSA anode has larger active surface area, lower oxygen evolution potential and better electrocatalytic activity in chromium solution, especially DSA (IrO₂, Pt) anode has the best electrocatalytic activity at high current density region. However, due to the presence of F^- additives in plating bath the Ti-based coated anodes exhibit poorer stability and shorter lifetime compared to the lead-tin anode.

Key words： DSA anode oxygen evolution potential catalytic activity stability

收稿日期: 2013-03-14

ZTFLH:

TQ153.1

通讯作者: 武俊伟，E-mail：Junwei.wu@hitsz.edu.cn

作者简介: 宋琴，女，1988年生，硕士生，研究方向为腐蚀与电化学

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引用本文:

宋琴, 武俊伟, 张辉, 杜翠薇. 钛基DSA阳极在电镀铬工艺中的应用研究[J]. 中国腐蚀与防护学报, 2013, 33(6): 507-514.
. Performance of Ti-based Dimensionally Stable Anode for Chromium Plating Application. Journal of Chinese Society for Corrosion and protection, 2013, 33(6): 507-514.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2013/V33/I6/507

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