Research progress on preparation and purification of fluorine-containing chemicals in lithium-ion batteries |
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Authors: | Xiaobin Liu Zhenguo Gao Jingcai Cheng Junbo Gong Jingkang Wang |
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Affiliation: | 1.State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2.CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;3.The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, China |
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Abstract: | With the development of digital products,electric vehicles and energy storage technology,electronic chemicals play an increasingly prominent role in the field of new energy such as lithium-ion batteries.Electronic chemicals have attracted extensive attention in various fields.Characteristics of high-end elec-tronic chemicals are high purity and low impurity content,which requires a very strict separation and purification process.At present,crystallization is a key technology for their separation and purification of electronic chemicals.In this work,the representative fluorine-containing compounds in cathode and anode materials,separator and electrolyte of lithium-ion batteries are introduced.The latest technologies for the preparation and purification of four kinds of fluorine-containing battery chemicals by crystalliza-tion technology are reviewed.In addition,the research prospects and suggestions are put forward for the separation of fluorine-containing battery chemicals. |
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Keywords: | Battery chemicals Lithium-ion batteries Crystallization Fluorine-containing chemicals |
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