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锂离子电池电解液阻燃共溶剂TPP和DMMP的研究 被引量：5

Study on TPP and DMMP as Flame-Retardant Cosolvent in Electrolytes for Li-ion Batteries
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摘要 为提高锂离子电池的安全性能,对特定阻燃电解液及其相关性能进行了探究.在1mol/L LiPF6/EC∶DEC(质量比1∶1)传统二元电解液中分别加入磷酸三苯酯(TPP)和甲基膦酸二甲酯(DMMP)作为阻燃共溶剂,并采用燃烧测试、热学性能以及电化学性能测试等方法对其性能进行了研究.结果表明电解液达到不燃标准(阻燃效率η≥0.9)的最佳比例分别为质量分数为55%TPP和35%DMMP.此外,含一定量TPP、DMMP的阻燃性电解质与电极材料具有良好的相容性. 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 Furthermore, the mod by controlling the flame-retardant efficiency （η≥0.9） of the electrolytes. ified electrolyte matches the electrode materials well in both physical and electrochemical stability.
作者 朱奇珍 井婷婷 陈楠 刘曙光 金翼 陈人杰 吴锋
机构地区 北京理工大学化工与环境学院 中国电力科学研究院电工与新材料研究所
出处 《北京理工大学学报》 EI CAS CSCD 北大核心 2015年第10期1096-1100,共5页 Transactions of Beijing Institute of Technology
基金 国家自然科学基金资助项目(21373028) 国家电网公司科技项目资助项目(DG71-12-015)
关键词 锂离子电池 阻燃电解液 TPP DMMP li-ion battery flame-retardant electrolyte TPP DMMP
分类号 TM911 [电气工程—电力电子与电力传动]
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参考文献11

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二级参考文献17

  • 1贺艳兵,唐致远,陈玉红,刘强,焦延峰,阳晓霞.锂离子电池阻燃剂磷酸三(β-氯乙基)酯[J].化学通报,2007,70(3):212-216. 被引量：7
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同被引文献23

引证文献5

二级引证文献10

北京理工大学学报
2015年 第10期

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