Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications

High-entropy oxides (HEOs) are gaining prominence in the field of electrochemistry due to their distinctive structural characteristics, which give rise to their advanced stable and modifiable functional properties. This review presents fundamental preparations, incidental characterizations, and typi...

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Main Authors: Zi-Yu Liu, Yu Liu, Yujie Xu, Hualiang Zhang, Zongping Shao, Zhenbin Wang, Haisheng Chen
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-10-01
Series:Green Energy & Environment
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2468025723000614
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author Zi-Yu Liu
Yu Liu
Yujie Xu
Hualiang Zhang
Zongping Shao
Zhenbin Wang
Haisheng Chen
author_facet Zi-Yu Liu
Yu Liu
Yujie Xu
Hualiang Zhang
Zongping Shao
Zhenbin Wang
Haisheng Chen
author_sort Zi-Yu Liu
collection DOAJ
description High-entropy oxides (HEOs) are gaining prominence in the field of electrochemistry due to their distinctive structural characteristics, which give rise to their advanced stable and modifiable functional properties. This review presents fundamental preparations, incidental characterizations, and typical structures of HEOs. The prospective applications of HEOs in various electrochemical aspects of electrocatalysis and energy conversion-storage are also summarized, including recent developments and the general trend of HEO structure design in the catalysis containing oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), supercapacitors (SC), lithium-ion batteries (LIBs), solid oxide fuel cells (SOFCs), and so forth. Moreover, this review notes some apparent challenges and multiple opportunities for the use of HEOs in the wide field of energy to further guide the development of practical applications. The influence of entropy is significant, and high-entropy oxides are expected to drive the improvement of energy science and technology in the near future.
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spelling doaj.art-beff99f3249e4e97bbd2fdf1b81c12162023-08-19T04:32:23ZengKeAi Communications Co., Ltd.Green Energy & Environment2468-02572023-10-018513411357Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applicationsZi-Yu Liu0Yu Liu1Yujie Xu2Hualiang Zhang3Zongping Shao4Zhenbin Wang5Haisheng Chen6Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China; Nanjing Institute of Future Energy System, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Nanjing, ChinaInstitute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China; Nanjing Institute of Future Energy System, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Nanjing, China; Corresponding authors.Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China; Nanjing Institute of Future Energy System, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Nanjing, China; University of Chinese Academy of Sciences, Beijing, 100049, ChinaInstitute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China; Nanjing Institute of Future Energy System, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Nanjing, China; University of Chinese Academy of Sciences, Beijing, 100049, ChinaCurtin University, AustraliaDepartment of Materials Science and Engineering, City University of Hong Kong, Kowloon, 999077, Hong Kong, ChinaInstitute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China; Nanjing Institute of Future Energy System, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Nanjing, China; Dalian National Laboratory for Clean Energy, Chinese Academy of Sciences, Dalian, 116023, China; University of Chinese Academy of Sciences, Beijing, 100049, China; Corresponding authors.High-entropy oxides (HEOs) are gaining prominence in the field of electrochemistry due to their distinctive structural characteristics, which give rise to their advanced stable and modifiable functional properties. This review presents fundamental preparations, incidental characterizations, and typical structures of HEOs. The prospective applications of HEOs in various electrochemical aspects of electrocatalysis and energy conversion-storage are also summarized, including recent developments and the general trend of HEO structure design in the catalysis containing oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), supercapacitors (SC), lithium-ion batteries (LIBs), solid oxide fuel cells (SOFCs), and so forth. Moreover, this review notes some apparent challenges and multiple opportunities for the use of HEOs in the wide field of energy to further guide the development of practical applications. The influence of entropy is significant, and high-entropy oxides are expected to drive the improvement of energy science and technology in the near future.http://www.sciencedirect.com/science/article/pii/S2468025723000614High-entropy oxidesElectrochemistryEnergy storage and conversion
spellingShingle Zi-Yu Liu
Yu Liu
Yujie Xu
Hualiang Zhang
Zongping Shao
Zhenbin Wang
Haisheng Chen
Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
Green Energy & Environment
High-entropy oxides
Electrochemistry
Energy storage and conversion
title Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
title_full Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
title_fullStr Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
title_full_unstemmed Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
title_short Novel high-entropy oxides for energy storage and conversion: From fundamentals to practical applications
title_sort novel high entropy oxides for energy storage and conversion from fundamentals to practical applications
topic High-entropy oxides
Electrochemistry
Energy storage and conversion
url http://www.sciencedirect.com/science/article/pii/S2468025723000614
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