Rational manipulation of electrolyte to induce homogeneous SEI on hard carbon anode for sodium-ion battery

Liu, Lu and Xiao, Lingling and Sun, Zhi and Bashir, Shahid and Kasi, Ramesh and Gu, Yonghong and Subramaniam, Ramesh (2024) Rational manipulation of electrolyte to induce homogeneous SEI on hard carbon anode for sodium-ion battery. Journal of Energy Chemistry, 94. pp. 414-429. ISSN 2095-4956, DOI https://doi.org/10.1016/j.jechem.2024.02.055.

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Official URL: https://doi.org/10.1016/j.jechem.2024.02.055

Abstract

Sodium-ion batteries (SIBs) have great potential to be the next major energy storage devices due to their obvious advantages and developing advanced electrodes and electrolytes is urgently necessary to promote its future industrialization. However, hard carbon as a state-of-the-art anode of SIBs still suffers from the low initial Coulomb efficiency and unsatisfactory rate capability, which could be improved by forming desirable solid electrolyte interphases (SEI) to some extent. Indeed, the chemistry and morphology of these interfacial layers are fundamental parameters affecting the overall battery operation, and optimizing the electrolyte to dictate the quality of SEI on hard carbon is a key strategy. Hence, this review summarizes the recent research on SEI design by electrolyte manipulation from solvents, salts, and additives. It also presents some potential mechanisms of SEI formation in various electrolyte systems. Besides, the current advanced characterization techniques for electrolyte and SEI structure analyses have been comprehensively discussed. Lastly, current challenges and future perspectives of SEI formation on hard carbon anode for SIBs are provided from the viewpoints of its compositions, evolution processes, structures, and characterization techniques, which will promote SEI efficient manipulation and improve the performance of hard carbon, and further contribute to the development of SIBs. (c) 2024 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.

Item Type: Article
Funders: Ministry of Higher Education through the Fundamental Research Grant Scheme (FRGS/1/2022/STG05/UM/01/2), Ministry of Energy, Science, Technology, Environment and Climate Change (MESTECC), Malaysia (MOSTI002-2021TED1), Key Research Program of Yichang City (2023KYPT0303)
Uncontrolled Keywords: SEI; Electrolyte optimization; Hard carbon; Electrochemical performance; Sodium -ion batteries
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Divisions: Faculty of Science > Department of Physics
Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 19 Sep 2024 01:50
Last Modified: 19 Sep 2024 01:50
URI: http://eprints.um.edu.my/id/eprint/45135

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