2025 - Sustainable Industrial Processing Summit
SIPS2025 Volume 11. Intl. Symp on Iron and Steel, Non-ferrous, Metals, Bioextraction, Molten and Recycling
| Editors: | F. Kongoli, P. Assis, R. Alvarenga, J.A. de Castro, B. Deo, W.F. Santos Jr., S.L. de Andrade, GS. Mahobia, T. Usui, J. Antrekowitsch, A. Charitos, C. Oosterhof, M. Stelter, Z. Wang, A. Dmitriev, M.C. Gomez Marroquin, Y. Gordon, M. Naimanbayev, S. Prakash, V. Tsepelev |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2025 |
| Pages: | 298 pages |
| ISBN: | 978-1-998384-58-7 (CD) |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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CONTROLLED MULTIVALENT-STATE VANADIUM ELECTROLYSIS VIA A NITROGEN-DOPED CONSUMABLE ANODE
Yuzhen Chen1; Shaolong Li1; Jianxun Song1;1ZHENGZHOU UNIVERSITY, Henan, China;
Type of Paper: Regular
Id Paper: 133
Topic: 13
Abstract:
Vanadium is a metal of strategic significance, essential to contemporary industries because of its distinctive physical and chemical characteristics. Three dynamic optimization problems are solved to control ionic valence states, regulate irregular product morphologies, and eliminate carbon dioxide (CO2) emissions in this study. The simple and innovative method for the preparation of metallic vanadium via nitrogen-doped vanadium consumable anode (VCxNyOz) electrolysis was proposed and confirmed. This research compared the polarization behavior and the reduction mechanism of vanadium ions to metallic vanadium of consumable anodes (VCxNyOz and VCxOy). Nitrogen doping stabilizes the V2+ ion through sp2-hybridized C-N coordination, contributing to the formation of a stable [VN6]3- octahedral configuration facilitated by V–N bond coordination. This study introduces the VCxNyOz anode as a viable option for regulating the valence state of vanadium ions in molten salt applications, achieving a regular dendritic morphology and a 30% reduction in CO emissions compared to the VCxOy anode.