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亚磷酸三甲酯作为锂离子电池电解液溶剂的研究
引用本文:姚晓林,田超,陈春华.亚磷酸三甲酯作为锂离子电池电解液溶剂的研究[J].化学通报,2009,72(4).
作者姓名:姚晓林  田超  陈春华
作者单位:姚晓林,田超,Yao Xiaolin,Tian Chao(安徽农业大学理学院,合肥,230036);陈春华,Chen Chunhua(中国科学技术大学化学与材料学院,合肥,230026)  
基金项目:安徽省教育厅青年骨干教师科研项目 
摘    要:为了提高锂离子电池电解液的热稳定性,使用亚磷酸三甲酯TMP作为溶剂来配置锂离子电池电解液,研究该电解液燃烧性能、电化学性能和热稳定性,并与商业用电解液作了比较.循环性能测试结果表明,亚磷酸三甲酯基电解液与正极材料LiNg0.8Co0.2O2有很好的相容性,有良好的电化学稳定性,而且与PC组成电解液时可一定程度地抑制PC对负极石墨材料的剥离.燃烧试验和微量量热实验表明,TMP的加入能显著地提高电解液的热稳定性与安全性能.

关 键 词:锂离子电池  热稳定性  电解液  亚磷酸三甲酯

Study on Trimethylphosphite as Electrolyte Solvent in Lithium Ion Batteries
Yao Xiaolin,Tian Chao,Chen Chunhua.Study on Trimethylphosphite as Electrolyte Solvent in Lithium Ion Batteries[J].Chemistry,2009,72(4).
Authors:Yao Xiaolin  Tian Chao  Chen Chunhua
Institution:~1 Anhui Agriculture University;School of Science;Hefei 230036;~2 University of Science and Technology of China;School of Chemistry and Materials;Hefei 230026
Abstract:Trimethylphosphite (TMP) was used as electrolyte solvent to improve the thermal stability of electrolyte of lithium ion batteries and compared with commercial electrolyte. Gallvanostatic cell cycling test showed that the solvent TMP in electrolyte had good compatibilities with LiNi_ 0.8 Co_ 0.2 O_2 electrode materials and Li/LiNi_ 0.8 Co_ 0.2 O_2 half-cells showed good electrochemical behavior. TMP could inhibit the co-intercalation of PC with Li ion into graphite. Burning test and thermal stability test sh...
Keywords:Lithium ion batteries  Thermal stability  Electrolyte  Trimethylphosphite  
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