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Research Progress of New Separator Materials for Lithium Batteries
Received:March 05, 2023  
DOI：10.11980/j.issn.0254-508X.2023.11.003
Key Words:novel separators  preparation  modification  electrochemical performance  safety
Fund Project:国家自然科学基金联合基金重点项目（U20A20302）；国家留学基金委资助（202106705005）。
Author NameAffiliationPostcode
SUN Yingxue College of Chemical Engineering， Hebei University of Technology， Tianjin， 300401 300401
LI Yapeng College of Chemical Engineering， Hebei University of Technology， Tianjin， 300401 300401
CHEN Zan CenerTech Tianjin Chemical Research and Design Institute Co.， Ltd.， Tianjin， 300131 300131
LI Yinhui* College of Chemical Engineering， Hebei University of Technology， Tianjin， 300401 300401
SHEN Boxiong College of Chemical Engineering， Hebei University of Technology， Tianjin， 300401 300401
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Abstract:Lithium-ion batteries have been widely applied in the field of electronic energy storage， of which the market demand is increasing. As the main component of lithium-ion battery， the performance of separator is directly related to the electrochemical performance and safety of lithium-ion battery. The preparation methods of several separators based on poly（m-phenylene isophthalamide） （PMIA）， cellulose， polyvinylidene fluoride （PVDF）， polyimide （PI）， polyacrylonitrile （PAN）， and polyethylene terephthalate （PET） were intorduced in this paper. The relevant research achievements of composite separators modified on the basis of these separator materials were summarized， and the advantages and disadvantages of various new types of separators were analyzed. Finally， the new challenges and solutions in the field of lithium-ion battery separators were proposed， and the future development direction of lithium-ion battery separators was prospected.
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