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

Jin Xiu Chen, Jin Hao Zhang, Xiao Zhong Fan, Fang Fang Wang, Wen Tang, Wei Xia, Yusheng Zhao, Long Kong

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

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.

Original languageEnglish
Pages (from-to)4036-4043
Number of pages8
JournalEnergy and Environmental Science
Volume17
Issue number12
DOIs
StatePublished - 13 Mar 2024

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