Working Principles of High-Entropy Electrolytes in Rechargeable Batteries
Ren K.-F. Liu H. Guo J.-X. Sun X. Jiang F. Guo C. Bao W. Yu F. Kalimuldina G. Kong L. Cheng X.-B. Li J.
14 June 2024American Chemical Society
ACS Energy Letters
2024#9Issue 62960 - 2980 pp.
Rechargeable batteries are considered to be one of the most feasible solutions to the energy crisis and environmental pollution. As a bridge between the cathode and the anode of the battery, electrolytes play critical roles in improving the battery performance. Recently, high-entropy electrolytes (HEEs) with unique properties were proposed. Specifically, HEEs can accelerate ionic diffusion kinetics and promote the dissolution of salts as well as broaden the operating temperature of batteries. This Review provides a comprehensive summary of the application and working mechanisms of HEEs in rechargeable batteries. First, the motivation, history, and definitions of HEEs are introduced. Then, the roles of HEEs in enhancing electrochemical performance in liquid and solid-state batteries are presented, especially in improving ionic conductivity and achieving a wide temperature range. Finally, the current issues and possible future directions of the HEEs are proposed. This Review provides a new perspective on the design of high-performance electrolytes.
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Institute of Advanced Materials and Flexible Electronics (IAMFE), School of Chemistry and Materials Science, Nanjing University of Information Science and Technology, Jiangsu, Nanjing, 210044, China
Confucius Energy Storage Lab, Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Jiangsu, Nanjing, 211189, China
Tianmu Lake Institute of Advanced Energy Storage Technologies, Jiangsu, Liyang, 213300, China
Department of Mechanical and Aerospace Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Kabanbay Batyr Ave, 53, Astana, 010000, Kazakhstan
Frontiers Science Center for Flexible Electronics and Xi’an Institute of Flexible Electronics, Northwestern Polytechnical University, Xi’an, 710129, China
Institute of Advanced Materials and Flexible Electronics (IAMFE)
Confucius Energy Storage Lab
Tianmu Lake Institute of Advanced Energy Storage Technologies
Department of Mechanical and Aerospace Engineering
Frontiers Science Center for Flexible Electronics and Xi’an Institute of Flexible Electronics
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