Issue 12, 2024

Solvating lithium and tethering aluminium using di-coordination-strength anions for low-temperature lithium metal batteries

Abstract

Lithium bis(fluorosulfonyl)imide (LiFSI) corrodes aluminium (Al) current collector, but this corrosion can be impeded using di-coordination-strength anions. This concept adopts the weakly coordinated anion (FSI) to exert high ionic transport kinetics, and the strongly coordinated anion (nitride, NO3) to stabilize the Al foil surface. Such simultaneous Li solvation and Al tethering, highlight the importance of solvation chemistry to mediating Li transport and Al corrosion.

Graphical abstract: Solvating lithium and tethering aluminium using di-coordination-strength anions for low-temperature lithium metal batteries

Supplementary files

Article information

Article type
Communication
Submitted
08 Nov 2023
Accepted
12 Mar 2024
First published
13 Mar 2024

Energy Environ. Sci., 2024,17, 4036-4043

Solvating lithium and tethering aluminium using di-coordination-strength anions for low-temperature lithium metal batteries

J. Chen, J. Zhang, X. Fan, F. Wang, W. Tang, W. Xia, Y. Zhao and L. Kong, Energy Environ. Sci., 2024, 17, 4036 DOI: 10.1039/D3EE03809B

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