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Liu, X.* ; Mariani, A.* ; Adenusi, H.* ; Passerini, S.*

Locally Concentrated Ionic Liquid Electrolytes for Lithium-Metal Batteries.

Angew. Chem.-Int. Edit. (2023)
Publ. Version/Full Text DOI
Open Access Hybrid
Non-flammable ionic liquid electrolytes (ILEs) are well-known candidates for safer and long-lifespan lithium metal batteries (LMBs). However, the high viscosity and insufficient Li+ transport limit their practical application. Recently, non-solvating and low-viscosity co-solvents diluting ILEs without affecting the local Li+ solvation structure are employed to solve these problems. The diluted electrolytes, i.e., locally concentrated ionic liquid electrolytes (LCILEs), exhibiting lower viscosity, faster Li+ transport, and enhanced compatibility toward lithium metal anodes, are feasible options for the next-generation high-energy-density LMBs. Herein, the progress of the recently developed LCILEs are summarised, including their physicochemical properties, solution structures, and applications in LMBs with a variety of high-energy cathode materials. Lastly, a perspective on the future research directions of LCILEs to further understanding and achieve improved cell performances is outlined.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Ionic Liquid Electrolytes ; Lithium Metal Anodes ; Lithium-metal Batteries ; Locally Concentrated Electrolytes ; Non-solvating Solvents
Language english
Publication Year 2023
HGF-reported in Year 2023
ISSN (print) / ISBN 1433-7851
e-ISSN 1521-3773
Publisher Wiley
Publishing Place Weinheim
Reviewing status Peer reviewed
Institute(s) Helmholtz AI - KIT (HAI - KIT)
Scopus ID 85148030409
Erfassungsdatum 2023-02-24