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| Preparation and Performance of Coated Titanium Anodes for Zinc Electrodeposition |
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Received:March 20, 2024
Revised:April 24, 2024
Accepted:May 06, 2024
Published Online:March 24, 2025
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| DOI： |
| KeyWord:dsa; Ti/IrO2-RuO2-MnO2; electrocatalysis for oxygen; electrochemistry; zinc electrowinning |
| Author | Institution |
| ZHUANG Xiao-dong |
Kunming Metallurgy Research Institute CoLtd |
| LIN Lin |
Kunming Metallurgy Research Institute CoLtd,Yunnan |
| TIAN Lin |
Yunnan Normal University,Kunming |
| YANG Ni |
Kunming Metallurgy Research Institute CoLtd,Yunnan |
| LI Xiao-ying |
Kunming Metallurgy Research Institute CoLtd,Yunnan |
| XIE Gang |
Kunming Metallurgy Research Institute CoLtd,Yunnan |
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| Abstract: |
| Coated titanium anode is a high-performance electrode with great application prospects in zinc electrodeposition. Anode coating was prepared by thermal decomposition method. Characterization of coated titanium anodes using X-ray diffraction (XRD), scanning electron microscopy (SEM), cyclic voltammetry (CV), linear scanning voltammetry (LSV), alternating current impedance testing (EIS), lifetime testing, and zinc electrodeposition. Explore the effects of Ir, Ru, and Mn on the morphology, electrochemical performance, corrosion resistance, and current efficiency of zinc electrodeposition of anodic coatings. The results show that the catalytic activity of several oxides in descending order is IrO2>RuO2> β-MnO2, IrO2, RuO2, and MnO2 can form metal oxide solid solutions, improve coating morphology, enhance coating stability and lifespan. The anode enhanced electrolysis life of Ti/IrO2-RuO2-MnO2 is 108 hours, and the current efficiency of zinc electrodeposition can reach 90.86%, with good stability and electrochemical performance. |
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