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氯代磷酸酯作为锂离子电池电解液阻燃添加剂的性能研究 被引量：6

Research of halogenated phosphates as flame retardant additives in lithium ion batteries
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摘要 为了提高锂离子电池电解液的热稳定性,使用氯代磷酸酯磷酸三(1-氯-2-丙基)酯TCPP和磷酸三(2-氯乙基)酯TCEP作为锂离子电池电解液阻燃添加剂,研究其对锂离子电池电解液热稳定性和电化学性能的影响.循环性能测试、循环伏安法、交流阻抗等电化学分析表明:TCEP和TCPP与正极材料LiNi0.8Co0.2O2有很好的相容性,有良好的电化学稳定性;而对负极石墨材料则有一定的剥离现象发生.微量量热实验表明TCEP和TCPP的加入能提高电解液的热稳定性. Tri（2 chloroethyl） phosphate （TCPP） and tris（1-choloro-2 propyl） phosphate （TCEP） were used as new flame retardant additives to improve the thermal stability of electrolyte for lithium ion batteries. Gallvanostatic cell cycling, AC impedance spectroscopy and cyclic voltammetry show that the additives in electrolyte has good compatibilities with LiNi0.8Co0.2O2 electrode materials. The performancE of Li/LiNi0.8Co0.2O2 half-cells indicates the TCPP and TCEP have good electrochemical stability. Microcalorimeter tests show that TCEP and TCPP can improve the thermal stability of electrolyte.
作者 姚晓林 田超 陈春华
机构地区 安徽农业大学理学院 中国科学技术大学化学与材料科学学院
出处 《中国科学技术大学学报》 CAS CSCD 北大核心 2008年第4期424-428,共5页 JUSTC
基金 国家自然科学基金(20471057) 安徽省教育厅青年骨干教师科研资助项目(2006jql129)资助
关键词 锂离子电池 热稳定性 电解液 氯代磷酸酯 lithium ion batteries thermal stability electrolyte halogenated phosphates
分类号 O646.21 [理学—物理化学] TM911 [电气工程—电力电子与电力传动]
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参考文献10

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二级参考文献36

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共引文献61

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二级引证文献9

中国科学技术大学学报
2008年 第4期

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