锂离子电池在消费电子、储能和新能源汽车等领域得到广泛应用,但仍存在一些问题,导致其使用寿命和续航里程不能满足日益增长的需求,如何提升电池的循环性能非常重要,研究自修复材料在锂离子电池中的应用是近年来的热点方向。主要介绍了本征型和外援型两种自修复材料的结构和作用机理,综述了其在锂离子电池中的应用进展,总结了该领域近几年的研究成果及存在的问题,并展望了未来研究发展方向。
Lithium-ion batteries are widely used in the fields of consumer electronics,energy storage and new energy vehicles,but there are still some problems,resulting in their service life and cruising range cannot meet the growing demand.How to improve the cycle performance of the battery is very important.The application of self-healing materials in lithium-ion batteries is a hot topic in recent years.In this paper,the structures and mechanisms of two kinds of self-healing materials,i.e.intrinsic type and extrinsic type,were mainly introduced.The application progress of self-healing materials in lithium-ion batteries was reviewed.The research achievements and existing challenges in this field in recent years were summarized,and the future research and development direction was prospected.
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基金资助
珠海市产学研合作项目(2220004002572)
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