Unveiling the dynamic Li+–solvent interaction evolution in lithium metal batteries

Chen Wang; Xiaofan Du; Jiedong Li; Chao Wang; Shanmu Dong; Guanglei Cui

doi:10.1039/D2CC06184H

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Unveiling the dynamic Li⁺–solvent interaction evolution in lithium metal batteries†

Chen Wang,^ab Xiaofan Du,^a Jiedong Li,^a Chao Wang,^a Shanmu Dong*^a and Guanglei Cui

*^a

Author affiliations

* Corresponding authors

^a Qingdao Industrial Energy Storage Research Institute, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, P. R. China
E-mail: dongsm@qibebt.ac.cn, cuigl@qibebt.ac.cn
Fax: +86-532-80662746
Tel: +86-532-80662746

^b College of Textiles & Clothing, Qingdao University, Qingdao, P. R. China

Abstract

The interfacial chemistry during plating/stripping between electrolytes with different concentrations and Li metal is firstly in situ visualized by in situ Fourier transform infrared spectroscopy (FTIR) and simulated by density functional theory (DFT) calculations. It is verified that different Li⁺–solvent interaction evolutions at interfaces during the Li⁺ stripping and plating processes result in different interfacial stability. This work uncovers the critical role of Li⁺–solvent interaction evolution for the stability of the interface between the solvent and Li metal anode.

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Article information

DOI: https://doi.org/10.1039/D2CC06184H
Article type: Communication
Submitted: 17 Nov 2022
Accepted: 12 Jan 2023
First published: 23 Jan 2023

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Chem. Commun., 2023,59, 2023-2026

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Unveiling the dynamic Li⁺–solvent interaction evolution in lithium metal batteries

C. Wang, X. Du, J. Li, C. Wang, S. Dong and G. Cui, Chem. Commun., 2023, 59, 2023 DOI: 10.1039/D2CC06184H

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