Effects of Zr content on electrochemical performance of Ti/Sn–Ru–Co–ZrO<i><sub>x</sub></i> electrodes

Linhui Chang; Sheng Chen; Xionghui Xie; Buming Chen; Haihong Qiao; Hui Huang; Zhongcheng Guo; Ruidong Xu

doi:10.1007/s12613-021-2326-y

Volume 29 Issue 12

Dec. 2022

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Article Navigation > International Journal of Minerals, Metallurgy and Materials > 2022 > 29(12): 2181-2188

Linhui Chang, Sheng Chen, Xionghui Xie, Buming Chen, Haihong Qiao, Hui Huang, Zhongcheng Guo, and Ruidong Xu, Effects of Zr content on electrochemical performance of Ti/Sn–Ru–Co–ZrO_x electrodes, Int. J. Miner. Metall. Mater., 29(2022), No. 12, pp. 2181-2188. https://doi.org/10.1007/s12613-021-2326-y

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Linhui Chang, Sheng Chen, Xionghui Xie, Buming Chen, Haihong Qiao, Hui Huang, Zhongcheng Guo, and Ruidong Xu, Effects of Zr content on electrochemical performance of Ti/Sn–Ru–Co–ZrOx electrodes, Int. J. Miner. Metall. Mater., 29(2022), No. 12, pp. 2181-2188. https://doi.org/10.1007/s12613-021-2326-y

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Research Article

Effects of Zr content on electrochemical performance of Ti/Sn–Ru–Co–ZrO_x electrodes

+ Author Affiliations

Corresponding author:
Buming Chen E-mail: bumchen@kust.edu.cn
Received: 22 March 2021; Revised: 2 July 2021; Accepted: 5 July 2021; Available online: 7 July 2021

Abstract

Abstract

The low cell voltage during electrolytic Mn from the MnCl₂ system can effectively reduce the power consumption. In this work, the Ti/Sn−Ru−Co−Zr modified anodes were obtained by using thermal decomposition oxidation. The physical parameters of coatings were observed by SEM (scanning electron microscope). Based on the electrochemical performance and SEM/XRD (X-ray diffraction) of the coatings, the influence of Zr on electrode performance was studied and analyzed. When the mole ratio of Sn−Ru−Co−Zr is 6:1:0.8:0.3, the cracks on the surface of coatings were the smallest, and the compactness was the best due to the excellent filling effect of ZrO₂ nanoparticles. Moreover, the electrode prepared under this condition had the lowest mass transfer resistance and high chloride evolution activity in the 1mol% NH₄Cl and 1.5mol% HCl system. The service life of 3102 h was achieved according to the empirical formula of accelerated-life-test of the new type anode.
- Ti/Sn−Ru−Co−Zr anode;
- electrochemical;
- Mn electrowinning;
- manganese chloride system;
- service life

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