Bis(fluorosulfonyl)imide-based electrolyte for rechargeable lithium batteries: A perspective

IF 5.4 Q2 CHEMISTRY, PHYSICAL

Journal of Power Sources Advances Pub Date : 2022-03-01 DOI:10.1016/j.powera.2022.100088

Ziyu Song , Xingxing Wang , Hao Wu , Wenfang Feng , Jin Nie , Hailong Yu , Xuejie Huang , Michel Armand , Heng Zhang , Zhibin Zhou

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引用次数: 15

Abstract

The inherent properties of non-aqueous electrolytes are highly associated with the identity of salt anions. To build highly conductive and chemically/electrochemically robust electrolytes for lithium-ion batteries (LIBs) and rechargeable lithium metal batteries (RLMBs), various kinds of weakly coordinating anions have been proposed as counterparts of lithium salts and ionic liquids. Among them, bis(fluorosulfonyl)imide anion ([N(SO₂F)₂]⁻, FSI⁻) has aroused special attention in battery field due to the unique physical, chemical, and electrochemical properties of the FSI-based electrolytes. Herein, an overview on the synthetic methodologies of the FSI-based salts (e.g., alkali metal salts, ionic liquids) is provided, and their applications in LIBs and RLMBs are also updated. Future directions on developing FSI-based and/or FSI-derived electrolytes are presented. The present work is anticipated to inspire the design and screening of new anions for battery use, particularly, those stemming from sulfonimide anions.

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可充电锂电池用双(氟磺酰)亚胺基电解质:展望

非水电解质的固有性质与盐阴离子的特性密切相关。为了构建具有高导电性和化学/电化学稳定性的锂离子电池(LIBs)和可充电锂金属电池(rlmb)电解质，人们提出了各种弱配位阴离子作为锂盐和离子液体的替代物。其中，双(氟磺酰基)亚胺阴离子([N(SO2F)2]−，FSI−)由于FSI基电解质独特的物理、化学和电化学性能而引起了电池领域的特别关注。本文综述了fsi基盐(碱金属盐、离子液体)的合成方法，并对其在lib和rlmb中的应用进行了综述。展望了未来发展fsi基电解质和/或fsi衍生电解质的方向。目前的工作有望启发电池使用的新阴离子的设计和筛选，特别是来自磺酰亚胺阴离子的阴离子。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Power Sources Advances Multiple-

CiteScore

9.10

自引率

0.00%

发文量

审稿时长

64 days