钠离子电池有机聚合物电解质的研究进展

Research Progress in Organic Polymer Electrolytes for Sodium Ion Batteries

有机聚合物电解质凭借高柔韧性、易于加工、便于大规模生产、电极界面可控等优点,对推动高能量密度和高安全性的固态电池的发展具有巨大潜力。从凝胶型聚合物电解质和无溶剂固体聚合物电解质两种主要的有机聚合物电解质出发,梳理了两种电解质的发展脉络与作用机理,同时讲述了其物理、化学性质和其在钠离子电池中的应用进展,并进一步讨论了两种电解质面临的挑战和未来的研究方向。最后,提出了有机聚合物电解质未来发展可能面临的问题,并展望了未来材料设计和工业放大的发展方向。

With the advantages of high flexibility,easy processing,easy large-scale production,and controllable electrode interface,organic polymer electrolytes have great potential in promoting the development of high energy density and high safety solid-state batteries.Starting from the two main organic polymer electrolytes,gel polymer electrolyte and solvent-free solid polymer electrolyte,the development and mechanisms of the two electrolytes were reviewed,their physical and chemical properties and their application in sodium-ion batteries were described,and the challenges faced by the two electrolytes and their future research directions were discussed.Finally,the possible problems in the future development of organic polymer electrolyte were presented,and the future development direction of material design and industrial amplification was prospected.