锂离子电池预锂化技术的最新研究进展

New progress on prelithiation in Li-ion batteries

随着锂电池材料研究的深入、制造水平的提升以及市场对电池性能要求的提高,通过传统更换电极材料、开发新的电解液的思路来提升锂电池性能已经非常有限。预锂化技术的出现为锂电池性能提升,特别是在改善不可逆容量损失,提升能量密度方面给出了一条有效的解决方案,为锂电池技术的发展注入了新的活力。综述了预锂化技术在锂离子电池应用方面的最新研究进展,从预锂化材料选择、预锂化工艺方法、预锂化对锂电池性能影响机理等几个方面进行了综述,展望了预锂化技术未来的发展趋势。

It becomes limited to enhance battery performance through changing active materials and developing new-type electrolyte with the development of research on battery material, rising manufacturing level and demanding from market. Prelithiation technology offers an effective solution for decreasing initial irreversible capacity loss and increasing energy density to lithium ion battery. New progress on prelithiation technology applied in lithium batteries was reviewed from the view of material selecting, process method and mechanisms, and the pros and cons of different prelithiation technologies and its feasibility for mass production were analyzed. Finally, the developing trend of prelithiation technology was pointed out.