锂离子电池电解质盐四氟硼酸锂的制备与表征

四氟硼酸锂由于具有良好的热稳定性，对环境水分不太敏感而成为锂离子电池电解质研究的热点。介绍了四氟硼酸锂电解质材料的性质，综述了气-固反应法、水溶液法、非水溶剂法及氟化氢溶液反应法等四氟硼酸锂的制备方法。同时阐述了红外光谱分析法、X射线分析法、离子色谱分析法、热分析法及电化学性能分析法等四氟硼酸锂的表征技术，并提出了四氟硼酸锂作为锂离子电池电解质的研究与开发方向。

Preparation and characterization of LiBF4 electrolyte of lithium ion batteries

LiBF4 had become a hotspot in electrolyte research for Li-ion batteries because of its good thermal stability and moisture insensitivity.The properties of LiBF4 were introduced.The LiBF4 preparation methods，such as gas-solid reaction method，aqueous solution method，non-aqueous solvent method，and fluorine hydride solution method，were summarized.The LiBF4 characterization technologies，such as infrared spectroscopy analysis，X-ray diffraction analysis，ion-chromatographic analysis，thermal analysis，and electrochemical performance analysis，were stated.The direction on the research and development of LiBF4 for Li-ion battery was also put forward.