Issue 81, 2024

Design of sulfonimide anions for rechargeable lithium batteries

Abstract

Sulfonimide salts are considered as promising electrolyte materials in the construction of high-performant rechargeable lithium-ion batteries (LIBs) and lithium metal batteries (LMBs), owing to their delocalized negative charges, superior structural flexibility, and decent thermal/chemical stability. In this work, a historical overview of the development of sulfonimide anions in the field of electrolyte materials is presented, and the unique features of sulfonimide anions are discussed, in comparison with some popular anions [e.g., hexafluorophosphate anion (PF6)] being employed for batteries. The key advances in the design of sulfonimide salts as electrolyte materials are scrutinized, encompassing their use in nonaqueous liquid electrolytes, ionic liquid electrolytes, and solid polymer electrolytes. Based on the existing reports and our experiences in this domain, possible research directions related to further improvement of sulfonimide-based electrolytes are highlighted. Besides demonstrating the status quo and research progress, this work also expands the structural design toolkit of sulfonimide-based electrolytes, which may accelerate the development and realization of sulfonimide anion-based electrolytes in practical LIBs/LMBs and simultaneously give new impetus to other kinds of rechargeable battery technologies (e.g., sodium and potassium batteries).

Graphical abstract: Design of sulfonimide anions for rechargeable lithium batteries

Supplementary files

Article information

Article type
Feature Article
Submitted
19 محرم 1446
Accepted
29 صفر 1446
First published
29 صفر 1446

Chem. Commun., 2024,60, 11434-11449

Design of sulfonimide anions for rechargeable lithium batteries

X. Wang, W. Feng, Z. Zhou and H. Zhang, Chem. Commun., 2024, 60, 11434 DOI: 10.1039/D4CC03759F

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