引用本文:
李慧芳, 高俊奎, 张绍丽. 锂离子电池电解液中六氟磷酸锂浓度的离子色谱测定法[J]. 应用化学,
2007, 24(5): 602-604.
Citation: LI Hui-Fang, GAO Jun-Kui, ZHANG Shao-Li. Ion Chromatographic Determination of LiPF6 in Electrolyte Solution for Lithium-Ion Batteries[J]. Chinese Journal of Applied Chemistry, 2007, 24(5): 602-604.
Citation: LI Hui-Fang, GAO Jun-Kui, ZHANG Shao-Li. Ion Chromatographic Determination of LiPF6 in Electrolyte Solution for Lithium-Ion Batteries[J]. Chinese Journal of Applied Chemistry, 2007, 24(5): 602-604.
锂离子电池电解液中六氟磷酸锂浓度的离子色谱测定法
English
Ion Chromatographic Determination of LiPF6 in Electrolyte Solution for Lithium-Ion Batteries
Abstract:
Ion chromatography was applied to determine the concentration of LiPF6 in the electrolyte solution for lithium-ion batteries.The optimal pretreatment parameters were confirmed through a series of experiments:chloronitric acid (1:3) was found to be the most effective decomposer for the electrolyte solution,when its volume was equal to that of the electrolyte solution.The preferred reaction time was not less than 12 hours.The recovery rates of F- and PO43- were both higher than 100%,and the relative error for the concentration of LiPF6 calculated from PO43- was 1.2%,showing a high quantitative accuracy.
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Key words:
- ion chromatography
- / electrolyte
- / lithium hexafluorophosphate
- / chloronitric acid
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