journal article·2024-12Open access

Phosphorylated Covalent Organic Framework Membranes Toward Ultrafast Single Lithium‐Ion Transport

Xiao Pang, Benbing Shi, Yawei Liu, Yunliang Li, Yafang Zhang, Tiantian Wang, Shuting Xu, Xiaoyao Wang, Ziwen Liu, Na Xing, Xu Liang, Ziting Zhu, Chunyang Fan, Ying Liu, Hong Wu, Zhongyi Jiang

Advanced Materials· Volume 36· Issue 52

Abstract

Abstract Developing all‐solid‐state electrolytes, the chips for lithium‐metal batteries, with superior electrochemical and mechanical properties awaits the disruptive materials. Herein, ionic covalent organic framework membranes are explored as solid‐state electrolytes for single Li+ conduction. In the membrane, the anion groups act as Li+ transporter, determining Li+ binding capacity and releasing ability, whereas the oxygen‐containing groups act as Li+ co‐transporter, creating relay sites between adjacent Li+ transporters for rapid hopping. The membrane exhibits an unprecedented Li+ conductivity of 1.7 mS cm−1 with a Li+‐transference number close to unity at room temperature. Additionally, the membrane possesses high flexibility, low interfacial resistance, and excellent cycling performance at room temperature. This work paves an unprecedented path for the advancement of next‐generation Li+ conductors in solid‐state electrolytes.
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Research context

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Covalent Organic Framework Applications

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

Affiliations

Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China

Zhejiang Institute of Tianjin University Ningbo Zhejiang 315201 China

Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 China

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China

School of Chemical Engineering Zhengzhou University Zhengzhou 450001 China

College of Chemistry Beijing Normal University Beijing 100875 China

Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China

Funding

National Natural Science Foundation of China · Key Research and Development Program of Zhejiang Province

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