Green electrochemical synthesis of CeO2 nanopowders via an electrolysis–calcination process

Xiaohui Zhang; Xiaodong Liu; Xuan Xu; Kunyuan Zhao; Haifeng Sun; Peng Jing; Peng Xu; Baocang Liu; Jun Zhang

doi:10.1039/D5GC01320H

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Green electrochemical synthesis of CeO₂ nanopowders via an electrolysis–calcination process†

Xiaohui Zhang,‡^a Xiaodong Liu,‡^a Xuan Xu,

*^a Kunyuan Zhao,^a Haifeng Sun,^a Peng Jing,*^a Peng Xu,^b Baocang Liu^a and Jun Zhang*^ac

Author affiliations

* Corresponding authors

^a Inner Mongolia Key Laboratory of Rare Earth Catalysis, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
E-mail: xu.xuan@imu.edu.cn, pjing@imu.edu.cn, cejzhang@imu.edu.cn

^b SANY Heavy Industry Co., Ltd, Economic and Technological Development Zone, Changsha, P. R. China

^c School of Chemistry and Environmental Science, Inner Mongolia Normal University, 81 Zhaowuda Road, Hohhot, P. R. China

Abstract

Electrochemically synthesized CeO₂ nanopowders using the Ce₂(CO₃)₃ precursor achieved a current efficiency of 99.47% and energy consumption of 5.77 kW h kg⁻¹, eliminating chemical consumption and wastewater discharge. Subsequent thermal treatment (550–850 °C) enabled the control over particle size (16–46 nm) and redox-active Ce³⁺ content (15.69–29.53%) of the CeO₂ nanopowders.

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Article information

DOI: https://doi.org/10.1039/D5GC01320H
Article type: Communication
Submitted: 15 Mar 2025
Accepted: 12 May 2025
First published: 13 May 2025

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Green Chem., 2025, Advance Article

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Green electrochemical synthesis of CeO₂ nanopowders via an electrolysis–calcination process

X. Zhang, X. Liu, X. Xu, K. Zhao, H. Sun, P. Jing, P. Xu, B. Liu and J. Zhang, Green Chem., 2025, Advance Article , DOI: 10.1039/D5GC01320H

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