Study on TPP and DMMP as flame-retardant cosolvent in electrolytes for li-ion batteries

Qi Zhen Zhu; Ting Ting Jing; Nan Chen; Shu Guang Liu; Yi Jin; Ren Jie Chen; Feng Wu

doi:10.15918/j.tbit1001-0645.2015.10.020

Study on TPP and DMMP as flame-retardant cosolvent in electrolytes for li-ion batteries

Qi Zhen Zhu, Ting Ting Jing, Nan Chen, Shu Guang Liu, Yi Jin, Ren Jie Chen^*, Feng Wu

^*此作品的通讯作者

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

3 引用（Scopus）

摘要

To improve the safety of Li-ion battery, the specific flame-retardant electrolytes and their properties were studied. Triphenyl phosphate(TPP) and dimethyl methyl phosphonate (DMMP) were used as the cosolvent in 1M LiPF6/EC:DEC (1:1 in weight) to reformulate the nonflammable electrolyte. The flame-retarded ability, thermal and electrochemical performances with these electrolytes were studied. The results show that the optimal mass fractions are 55% TPP and 35% DMMP by controlling the flame-retardant efficiency (η≥0.9) of the electrolytes. Furthermore, the modified electrolyte matches the electrode materials well in both physical and electrochemical stability.

源语言	英语
页（从-至）	1096-1100
页数	5
期刊	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
卷	35
期	10
DOI	https://doi.org/10.15918/j.tbit1001-0645.2015.10.020
出版状态	已出版 - 1 10月 2015

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title = "Study on TPP and DMMP as flame-retardant cosolvent in electrolytes for li-ion batteries",

abstract = "To improve the safety of Li-ion battery, the specific flame-retardant electrolytes and their properties were studied. Triphenyl phosphate(TPP) and dimethyl methyl phosphonate (DMMP) were used as the cosolvent in 1M LiPF6/EC:DEC (1:1 in weight) to reformulate the nonflammable electrolyte. The flame-retarded ability, thermal and electrochemical performances with these electrolytes were studied. The results show that the optimal mass fractions are 55% TPP and 35% DMMP by controlling the flame-retardant efficiency (η≥0.9) of the electrolytes. Furthermore, the modified electrolyte matches the electrode materials well in both physical and electrochemical stability.",

keywords = "DMMP, Flame-retardant electrolyte, Li-ion battery, TPP",

author = "Zhu, {Qi Zhen} and Jing, {Ting Ting} and Nan Chen and Liu, {Shu Guang} and Yi Jin and Chen, {Ren Jie} and Feng Wu",

year = "2015",

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doi = "10.15918/j.tbit1001-0645.2015.10.020",

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TY - JOUR

T1 - Study on TPP and DMMP as flame-retardant cosolvent in electrolytes for li-ion batteries

AU - Zhu, Qi Zhen

AU - Jing, Ting Ting

AU - Chen, Nan

AU - Liu, Shu Guang

AU - Jin, Yi

AU - Chen, Ren Jie

AU - Wu, Feng

PY - 2015/10/1

Y1 - 2015/10/1

N2 - To improve the safety of Li-ion battery, the specific flame-retardant electrolytes and their properties were studied. Triphenyl phosphate(TPP) and dimethyl methyl phosphonate (DMMP) were used as the cosolvent in 1M LiPF6/EC:DEC (1:1 in weight) to reformulate the nonflammable electrolyte. The flame-retarded ability, thermal and electrochemical performances with these electrolytes were studied. The results show that the optimal mass fractions are 55% TPP and 35% DMMP by controlling the flame-retardant efficiency (η≥0.9) of the electrolytes. Furthermore, the modified electrolyte matches the electrode materials well in both physical and electrochemical stability.

AB - To improve the safety of Li-ion battery, the specific flame-retardant electrolytes and their properties were studied. Triphenyl phosphate(TPP) and dimethyl methyl phosphonate (DMMP) were used as the cosolvent in 1M LiPF6/EC:DEC (1:1 in weight) to reformulate the nonflammable electrolyte. The flame-retarded ability, thermal and electrochemical performances with these electrolytes were studied. The results show that the optimal mass fractions are 55% TPP and 35% DMMP by controlling the flame-retardant efficiency (η≥0.9) of the electrolytes. Furthermore, the modified electrolyte matches the electrode materials well in both physical and electrochemical stability.

KW - DMMP

KW - Flame-retardant electrolyte

KW - Li-ion battery

KW - TPP

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SN - 1001-0645

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JO - Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology

JF - Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology

IS - 10

ER -

Study on TPP and DMMP as flame-retardant cosolvent in electrolytes for li-ion batteries

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