DataVXACS Applied Materials & InterfacesPaper
journal article·2022-12-21

Single-Ion Conducting Polymeric Protective Interlayer for Stable Solid Lithium-Metal Batteries

Xinyuan Shan, Sheng Zhao, Mengxiang Ma, Yiyang Pan, Zhenxue Xiao, Bingrui Li, Alexei P. Sokolov, Ming Tian, Huabin Yang, Peng-Fei Cao

ACS Applied Materials & Interfaces· Volume 14· Issue 50
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Source abstract

Abstract

With many reported attempts on fabricating single-ion conducting polymer electrolytes, they still suffer from low ionic conductivity, narrow voltage window, and high cost. Herein, we report an unprecedented approach on improving the cationic transport number (tLi+) of the polymer electrolyte, i.e., single-ion conducting polymeric protective interlayer (SIPPI), which is designed between the conventional polymer electrolyte (PVEC) and Li-metal electrode. Satisfied ionic conductivity (1 mS cm–1, 30 °C), high tLi+ (0.79), and wide-area voltage stability are realized by coupling the SIPPI with the PVEC electrolyte. Benefiting from this unique design, the Li symmetrical cell with the SIPPI shows stable cycling over 6000 h at 3 mA cm–2, and the full cell with the SIPPI exhibits stable cycling performance with a capacity retention of 86% over 1000 cycles at 1 C and 25 °C. This incorporated SIPPI on the Li anode presents an alternative strategy for enabling high-energy density, long cycling lifetime, and safe and cost-effective solid-state batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storagePolymers

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of New Energy Material Chemistry, School of Materials Science and Engineering, Nankai University, Tianjin 300350, China

Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States

School of Chemistry, Beihang University, Beijing 10019, China

The Bredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, Tennessee 37996, United States

Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States

State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

Tianjin Key Laboratory of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300350, China

Funding

Natural Science Foundation of Tianjin City · Ministry of Education of the People's Republic of China · Basic Energy Sciences · Central University Basic Research Fund of China · National Natural Science Foundation of China

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