A Li+-flux-homogenizing separator for long-term cycling of Li metal anodes

Author:

Ji Yuanpeng12,Dong Liwei1,Liu Jipeng1,Xie Haodong2,Zhong Shijie2,Yang Chunhui13ORCID,Han Jiecai2,He Weidong245ORCID

Affiliation:

1. MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China

2. National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, and Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China

3. State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150080, China

4. Chongqing Research Institute, Harbin Institute of Technology, Chongqing 401151, China

5. School of Mechanical Engineering, Chengdu University, Chengdu 610106, China

Abstract

A facilely prepared PVDF-HFP/SN separator homogenizes the Li+ flux through the formation of SN⋯PF6⋯Li+ structures between the SN agent and the electrolyte, resulting in even Li deposition and stable performances of Li metal batteries.

Funder

National Key Laboratory of Science, Technology on Advanced Composites in Special Environments, HIT

Natural Science Foundation of Chongqing Municipality

Publisher

Royal Society of Chemistry (RSC)

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