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仪器信息网 > 凯戈纳斯 >解决方案 > 凯戈纳斯:ARC在锂离子电池电解液方面的应用介绍
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解决方案
凯戈纳斯:ARC在锂离子电池电解液方面的应用介绍
应用领域: 发布时间:
2017-09-24
检测样品: 检测项目:
电解液
参考标准:
--
浏览次数:
6
下载次数:
1 次
方案优势
Abstract: The thermal stability of 1M LiPF6, LiClO4, LiN(SO2CF2CF3)2 (LiBETI) and LiPF3(CF2CF3)3 (LiFAP) solutions in mixtures of ethylene carbonate, diethyl carbonate and dimethyl carbonate in the temperature range 40–350 8C was studied by ARC and DSC. NMR was used to analyze the reaction products at different reaction stages. The least thermally stable are LiClO4 solutions. LiPF3(CF2CF3)3 solutions showed higher thermal stability than LiPF6 solutions. The highest thermal stability was found for LiN(SO2CF2CF3)2 solutions. Studies by DSC and pressure measurements during ARC experiments with LiPF6 and LiFAP solutions detected an endothermic reaction, which occurs before a number of exothermic reactions as the temperature increases. Fluoride ions are formed and react with the alkyl carbonate molecules both as bases and as nucleophiles.
实验设备
参考报价:
面议
型号:
ARC
品牌:
--
产地:
英国
关注度:
1990
完整度:
参考报价:
面议
型号:
ARC
品牌:
THT-ARC
产地:
英国
关注度:
5149
完整度:
大小:203kb
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