journal article·2022-07-04

In-Situ Construction of Ceramic–Polymer All-Solid-State Electrolytes for High-Performance Room-Temperature Lithium Metal Batteries

Lei Zhang, Haiqi Gao, Shijun Xiao, Jinyu Li, Tianli Ma, Qian Wang, Wen Liu, Shi Wang

ACS Materials Letters· Volume 4· Issue 7
Publisher page

Abstract

High-performance solid-state lithium batteries require not only solid-state electrolytes with high room temperature ionic conductivity, but also low interfacial resistance. Here, we report the preparation of a composite solid-state polymer electrolyte (CSE) based on ceramic nanowires with scandium-initiated in situ ring-opening polymerization of ether-based monomer inside lithium–metal batteries (LMBs), allowing good interfacial contact between the components of the solid-state cells. The polymerization of ether-based monomers enables the transport of Li+ as a solid-state electrolyte, and the ceramic membrane constructed by ceramic nanowires serves to prevent short-circuiting of the cell, inhibit crystallization of the polymer, and build fast ion channels at the interface of the polymer and nanowires. The CSE has a tunable room-temperature ionic conductivity (10–3–10–5 S cm–1), lithium-ion transference number (0.36–0.54), and electrochemcial window (4.3–5.18 V) based on monomer conversion. Owing to the low interfacial resistance of in situ polymerization, the assembled solid-state LMBs have good cycling and rate performance. Our research provides a promising direction for advancing the development of high-performance CSEs and corresponding devices.
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Research context

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

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Affiliations

School of Materials and Chemical Engineering, Chuzhou University, Chuzhou, 247000, China

State Key Laboratory of Organic Electronics & Information Displays (SKLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing, 210023, China

Institute of Energy Innovation, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China

Laboratory of Advanced Polymer Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China

State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

Funding

Jiangsu Province Postdoctoral Science Foundation · China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · General Project of Natural Science Research in Universities of Anhui Province · Special Fund of Jiangsu Provincial High-level Innovative and Entrepreneurial Talents Introduction Program · NUPT Scientific Foundation · Chuzhou University Scientific Research Start Foundation Project · Fundamental Research Program of Shanxi Province

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