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Chemcial Industry and Engineering 2020, Vol. 37 Issue (1) :2-16    DOI: 10.13353/j.issn.1004.9533.20191908
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Research Progress of Solid Polymer Electrolytes for Lithium-Ion Batteries
Chen Likun1,2, Hu Yi1, Ma Jiabin1,2, Huang Yanfei1, Yu Jing1,2, He Yanbing1, Kang Feiyu1,2
1. Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;
2. Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China

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Abstract Polymer electrolytes are widely considered as promising candidates for all-solid-state lithium-ion batteries with high safety and energy density. They have several specific advantages such as high safety, good film reforming properties, viscoelasticity, excellent contact and compatibility with electrodes. However, polymer electrolytes cannot meet the requirements of solid polymer batteries operating because of its insufficient ionic conductivity(10-8~10-6 S·cm-1) at room temperature. Therefore, it is important to improve the ionic conductivity, mechanical strength, electrochemical stability and other intrinsic properties. Meanwhile, the key factor for developing solid polymer lithium ion battery is to explore the improvement of electrolyte/electrode interface and ion transport pathway inside the electrode. In this paper, we review the ion transport mechanism and the key parameters for gel polymer electrolytes, all-solid-state polymer electrolytes and composite solid electrolytes. We also summarize the recent advances and future development direction of polymer electrolytes.
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Articles by authors
Chen Likun
Hu Yi
Ma Jiabin
Huang Yanfei
Yu Jing
He Yanbing
Kang Feiyu
Keywordssolid polymer battery;   solid-state electrolytes;   ionic conducticity;   ionic transport;   interface impedance     
Received 2019-09-14;
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Chen Likun, Hu Yi, Ma Jiabin, Huang Yanfei, Yu Jing, He Yanbing, Kang Feiyu.Research Progress of Solid Polymer Electrolytes for Lithium-Ion Batteries[J]  Chemcial Industry and Engineering, 2020,V37(1): 2-16
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