Research progress of cycle phosphazenes applied in lithium ion batteries

doi:10.3969/j.issn.2095-4239.2016.02.009

Abstract

Abstract: 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.

Key words: cycle phosphazene, electrolyte, key materials, safety, lithium ion batteries

CLC Number:

TQ028.8

LIU Zhen, SHANG Yuming, WANG Li, HE Xiangming. Research progress of cycle phosphazenes applied in lithium ion batteries[J]. Energy Storage Science and Technology, 2016, 5(2): 181-187.

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