无机超细粉体改性锂离子电池隔膜的研究进展

Research progress of lithium-ion battery separator modified with inorganic ultrafine powder

综述了近年来无机超细粉体改性锂离子电池隔膜的研究进展,首先介绍了已在锂电隔膜改性上商业应用的Al_(2)O_(3)和AlOOH对传统聚烯烃膜和新型静电纺丝膜的改性方法和改性效果,随后又对常规无机材料TiO_(2)和SiO_(2)粉体对锂电隔膜的改性进行了叙述,最后对BN等非常规隔膜改性无机材料进行了简介;总结和讨论了无机材料改性后隔膜的组分、结构和性能对锂离子电池综合性能的影响,并对其无机材料改性锂电池隔膜的未来发展趋势进行了展望。

Research progress of lithium-ion battery separator modified with inorganic ultrafine powder in recent years was re-viewed.First,the modification methods and effects of commercial Al_(2)O_(3) and AlOOH on traditional polyolefin separators and new electrospun separators were introduced,which had been used in the modification of lithium battery separators.Then,the modification of lithium-ion battery separator by conventional inorganic materials TiO_(2) and SiO_(2) powder was described.Finally,BN and other unconventional inorganic materials modified separator was introduced briefly.The effect of the composition,structure and performance of the inorganic materials modified separator on the overall performance of lithium-ion batteries were summarized and discussed,and its future development trend of the inorganic material modified lithium battery separator was prospected.