锂离子电池电解液锂盐的可视化分析  

Visual analysis of lithium salt in electrolyte of Li-ion battery

作　　者：胡华坤 薛文东[1] 蒋朋[1] 李勇[1] HU Hua-kun;XUE Wen-dong;JIANG Peng;LI Yong(School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China)

机构地区：[1]北京科技大学材料科学与工程学院,北京100083

出　　处：《电池》2022年第4期452-456,共5页Battery Bimonthly

基　　金：中央高校基本科研基金(FRF-MP-20-28)。

摘　　要：电解液对锂离子电池的输出电压、循环性能、功率密度和安全性能等有重要的影响。锂盐作为关键组分,是决定电解液性能的重要因素。基于CiteSpace可视化软件,对Web of Science核心合集数据库中有关锂离子电池电解液锂盐领域相关的4028篇文章进行可视化分析,从文献数量、作者、国家/地区、科研机构和关键词等多角度,分析锂盐领域的研究进展、热点趋势及发展方向。目前的研究集中于中国、美国、日本和德国等国家,中国日益成为该领域的领导力量。为适应电动汽车和高性能储能设备的发展,可以预见热点研究方向将逐渐从锂离子电池回到锂金属电池,电解液的热点研究方向也会由有机电解液逐步转向离子液体和水系电解液。高浓度电解质锂盐可能是锂离子电池锂盐的主要研究热点,相关计算软件的辅助,可加快研发效率,促进产业更新换代。The electrolyte had an important impact on the output voltage,cycle performance,power density and safety performance of Li-ion battery.As the key component,lithium salt was an important factor to determine the performance of electrolyte.Based on CiteSpace visualization software,a visual analysis of 4028 papers related to the lithium salt field of Li-ion battery electrolyte in the Web of Science core collection database was made,the research progress,hot trend and development direction of lithium salt field from the perspectives of literature quantity,author,country/region,scientific research institutions and keywords were analyzed.At present,the main research were concentrated in China,the United States,Japan,Germany and other countries.China had increasingly become a leading force in this field.In order to adapt to the development of electric vehicles and high-performance energy storage equipment,it could be predicted that the hot research direction would gradually return from Li-ion battery to lithium metal battery,the hot research direction of electrolyte would gradually shift from organic electrolyte to ionic liquid and aqueous electrolyte.High concentration electrolyte lithium salt might be the main research hotspots of Li-ion battery lithium salt.With the help of relevant computing software,it was bound to accelerate the efficiency of research and development,promote the upgrading of industry.

关 键 词：锂离子电池 锂盐 电解液 CITESPACE 可视化图谱 

分 类 号：TM912.9[电气工程—电力电子与电力传动]