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锂离子二次电池电解质材料LiPF_6的制备及表征 被引量:9

Preparation and Characterization of LiPF_6 for Li-ion Secondary Battery Electrolyte
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摘要 A high purity LiPF6 that has been widely used as lithium-ion secondary batteries electrolyte was prepared using acetonitrile as the medium. The target product was analyzed by FT-IR, TG-DTA and XRD, FT-IR. The results indicate the absorption brands of LiPF6 agreed reasonably with the theoretical predictions. TG-DTA showed that the decomposition of LiPF6 was in three steps in stead of one step. A high purity LiPF6 that has been widely used as lithium-ion secondary batteries electrolyte was prepared using acetonitrile as the medium. The target product was analyzed by FT-IR, TG-DTA and XRD, FT-IR. The results indicate the absorption brands of LiPF6 agreed reasonably with the theoretical predictions. TG-DTA showed that the decomposition of LiPF6 was in three steps in stead of one step.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2004年第9期1109-1111,共3页 Chinese Journal of Inorganic Chemistry
基金 国家高技术研究发展计划(863计划)资助项目(No.2003AA32X200)。
关键词 锂离子二次电池 电解质材料 六氟磷化锂 制备 红外光谱 热重分析 X射线衍射 lithium hexafluorophosphate preparation characterization decomposition
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