静电纺丝技术在新能源电池中应用的研究进展

Progress of Application of Electrospinning Technique in New Energy Battery

简要介绍了五种新能源电池和静电纺丝技术,综述了静电纺丝技术用于锂电池的正负极材料和燃料电池电极材料的现状,以及应用静电纺丝技术制备电极隔膜材料。静电纺丝制备纳米纤维具有直径小、比表面积大、孔隙率高等特点,用于正负电极和隔膜材料将大大提高电池的比容量、充放电速率和充放电电流,从而提高电池的蓄电能力、循环性能、离子导电性、力学稳定性和化学稳定性。最后总结了静电纺丝技术产业化需要解决的问题,并展望了在新能源电池中的进一步应用。

The recent research about electrospinning technique on lithium batteries, fuel cells and other new energy batteries, including apparition battery electrode materials and separator materials, was briefly introduced. Electrospun nano fibers have small particle size, large surface area, high porosity and other characteristics, which will greatly enhance the specific capacity of the battery, charge and discharge rate current, and thereby increasing the storage capacity of the battery, cycle performance, ionic conductivity, mechanical and chemical stability. Finally, the problem of electrospinning technique encountered in industrialization was concluded, as well as looking ahead the further application in new energy battery.