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Nano Research 2024, 17(5): 3547-3570 https://doi.org/10.1007/s12274-023-6339-x
Review Article | Issue | Published: 29 December 2023

Defect spinel oxides for electrocatalytic reduction reactions

Show Author's Information Zhijuan Liu1,§,  Jinyu Guo1,§,  Lu-yu Liu1,  Fen Wang1,  Zhijie Kong1( ),  Yanyong Wang2( )
Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Key Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
State Key Laboratory of Chem/Bio-sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China

§ Zhijuan Liu and Jinyu Guo contributed equally to this work.

Keywords:
defect, dynamic evolution, electrocatalytic mechanism, spinel oxides, electrochemical reduction reactions
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Electrolysis
Cite this article:
Liu Z, Guo J, Liu L-y, et al. Defect spinel oxides for electrocatalytic reduction reactions. Nano Research, 2024, 17(5): 3547-3570. https://doi.org/10.1007/s12274-023-6339-x
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Abstract Full text About this article

Electrocatalytic reduction reactions play a crucial role in electrochemical energy conversion and storage technology, which are emerging technologies to ameliorate environmental problems. Spinel oxides are widely explored in electrocatalytic oxidation reactions but have a poor intrinsic ability to reduction reactions, making their electrocatalytic ability less effective. To improve this, defect engineering is a valuable method for regulating the electronic structure and coordination environment. Herein, this manuscript discusses the use of defect spinel oxides in electrocatalytic reduction reactions, including the different types of defects, construction methods, and characterization techniques. It also outlines the various applications of defect spinel oxides in different electrocatalytic reduction reactions. Finally, it goes over the challenges and future outlooks for defect spinels. This review aims to thoroughly explain how defect spinels work in electrocatalytic reduction reactions and serve as a helpful guide for creating effective electrocatalysts.


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About this article

Defect spinel oxides for electrocatalytic reduction reactions

Show Author's information Zhijuan Liu1,§, Jinyu Guo1,§, Lu-yu Liu1, Fen Wang1, Zhijie Kong1( ), Yanyong Wang2( )
Henan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Key Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
State Key Laboratory of Chem/Bio-sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China

§ Zhijuan Liu and Jinyu Guo contributed equally to this work.

Abstract

Electrocatalytic reduction reactions play a crucial role in electrochemical energy conversion and storage technology, which are emerging technologies to ameliorate environmental problems. Spinel oxides are widely explored in electrocatalytic oxidation reactions but have a poor intrinsic ability to reduction reactions, making their electrocatalytic ability less effective. To improve this, defect engineering is a valuable method for regulating the electronic structure and coordination environment. Herein, this manuscript discusses the use of defect spinel oxides in electrocatalytic reduction reactions, including the different types of defects, construction methods, and characterization techniques. It also outlines the various applications of defect spinel oxides in different electrocatalytic reduction reactions. Finally, it goes over the challenges and future outlooks for defect spinels. This review aims to thoroughly explain how defect spinels work in electrocatalytic reduction reactions and serve as a helpful guide for creating effective electrocatalysts.

Keywords: defect, dynamic evolution, electrocatalytic mechanism, spinel oxides, electrochemical reduction reactions

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Publication history
Copyright
Acknowledgements

Publication history

Received: 04 September 2023
Revised: 07 November 2023
Accepted: 15 November 2023
Published: 29 December 2023
Issue date: May 2024

Copyright

© Tsinghua University Press 2023

Acknowledgements

Acknowledgements

This work was supported by National Natural Science Foundation of China (Nos. 22272047, 21905088, and 22102155), the China Postdoctoral Science Foundation (Nos. 2021M692909 and 2022T150587), and the Provincial Natural Science Foundation of Hunan (No. 2022JJ10006).

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