Joule-heating synthesis of high-entropy oxides as efficient catalysts for electrochemical methanol oxidation

Jiqiang Ding; Obeylaw Moyo; Kai Jia; Jiaqiao Yang; Zhiwei Wei; Mujia Sun; Bing Xue; Junxiong Zhang; Na Liu; Hainan Sun

doi:10.1039/D6CC02017H

Joule-heating synthesis of high-entropy oxides as efficient catalysts for electrochemical methanol oxidation

Jiqiang Ding,^ab Obeylaw Moyo,^b Kai Jia,^b Jiaqiao Yang,^b Zhiwei Wei,^b Mujia Sun,^b Bing Xue,^a Junxiong Zhang,^c Na Liu*^a and Hainan Sun

*^b

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* Corresponding authors

^a Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, China
E-mail: liuna@cczu.edu.cn

^b School of Chemistry and Chemical Engineering, Nantong University, Nantong, China
E-mail: hainansun123919@ntu.edu.cn

^c School of Textile and Clothing, Nantong University, Nantong, China

Abstract

Ultrafast Joule heating enables the synthesis of high-entropy oxides for efficient methanol oxidation electrocatalysis. The MnFeCoNiCr-1600K catalyst exhibits reduced anodic potential and enhanced kinetics. Operando studies reveal methanol-induced surface reconstruction and structured interfacial water, enabling advanced methanol oxidation performance.

This article is part of the themed collection: ChemComm Electrocatalysis

Chemical Communications

Joule-heating synthesis of high-entropy oxides as efficient catalysts for electrochemical methanol oxidation

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Joule-heating synthesis of high-entropy oxides as efficient catalysts for electrochemical methanol oxidation

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