环三磷腈在锂离子电池中的应用研究现状  

Research progress of cycle phosphazenes applied in lithium ion batteries

作　　者：刘榛[1,2] 尚玉明[1,2] 王莉[1,3] 何向明[1,2] 

机构地区：[1]清华大学核能与新能源技术研究院,北京100084 [2]江苏华东锂电技术研究院,江苏张家港215600 [3]清华大学汽车安全与节能国家重点实验室,北京100084

出　　处：《储能科学与技术》2016年第2期181-187,共7页Energy Storage Science and Technology

基　　金：国家重点基础研究发展计划(2011CB935902;2013CB934000);科技部高技术研究发展计划(2013AA050903);科技部国际科技合作项目(2014DFG71590);清华大学自主科研计划(2011Z23152;2012THZ08129);汽车安全与节能国家重点实验室基金(ZZ2012-011;2012WJ-A-01);国家中小企业创新基金(14C26213201106);江苏省科技支撑计划(BE2014006-2)

摘　　要：本文回顾了环三磷腈及其衍生物的合成,阐述了其在锂离子电池电解液、正负极材料等关键材料方面的应用研究进展,并进行了相应的展望。随着锂离子电池在高容量动力及储能领域中的广泛应用,电池的安全性问题日益凸显,材料安全性是电池安全性的基本保证。磷腈化合物由于其特殊的组成和结构,具有高效阻燃与电化学稳定性,在用于改善锂离子电池安全性方面受到越来越广泛的关注。在锂离子电池电解液添加剂和共溶剂的研究中发现,磷腈化合物不仅可以改善电解液的热稳定性和阻燃性能,还可以提高电池的充放电电压和循环稳定性;同时,也可以作为正负极材料的重要组分,改善电极材料的安全性。在锂离子电池安全性领域中具有较好的研究价值和实用意义。The synthesis of cycle phosphazenes and their derivations the research progress of their applications in electrolyte and electrode materials of lithium ion batteries are reviewed, and related prospect is carried out. As lithium ion batteries widely used in the area of electric vehicle and energy storage, safety become more and more noticeable. Enhancing the safety properties of key materials is the one of the most important strategies to improve the battery safety. Due to the special constitute and structure of phosphonitrilic compounds, which endowed themselves efficient flame retardancy, chemical and electrochemical stability, the research is attracting more and more attentions. For their using as electrolyte additive and cosolvent, It is found that phosphonitrilic compound could not only improve the thermal stability and flame retard performance, but also benefit for the cycling performance of lithium ion batteries. Meanwhile, cycle phosphazenes could be used in the positive and negative electrodes to improve the safety of the cells. Above all, phosphonitrilic compound is a promising material either in fundamental research or practical use in lithium ion batteries.

关 键 词：环三磷腈 电解液 关键材料 安全性 锂离子电池 

分 类 号：TQ028.8[化学工程]