详细信息

锂离子电池正极预锂化技术研究进展    

Research progress of cathode pre?lithiation technology for lithium?ion batteries

文献类型:期刊文献

中文题名:锂离子电池正极预锂化技术研究进展

英文题名:Research progress of cathode pre?lithiation technology for lithium?ion batteries

作者:张珊珊[1];曾雨乐[1];张婷[1];林森[1];刘程琳[1]

机构:[1]华东理工大学国家盐湖资源综合利用工程技术研究中心,上海200237

年份:2025

卷号:57

期号:1

起止页码:1

中文期刊名:无机盐工业

外文期刊名:Inorganic Chemicals Industry

收录:;北大核心:【北大核心2023】;

基金:国家重点研发计划项目(2023YFB4103502)。

语种:中文

中文关键词:锂离子电池;预锂化;正极补锂;首次库仑效率

外文关键词:lithium-ion batteries;pre-lithiation;cathode lithium replenishment;initial coulombic efficiency

摘要:锂离子电池近几年在许多行业的应用呈现爆发式增长,几乎每个领域都对锂离子电池的能量密度提出了更高的要求,以满足不断提升的动力和储能需求。锂离子电池在首次充放电过程中,负极表面会形成固态电解质界面(SEI)膜,并消耗正极材料中的活性锂,造成电池容量不可逆的损失,降低了电池的首次库仑效率。研究发现,预锂化技术是解决该问题的有效途径之一,并且正极预锂化相对于负极预锂化更有优势。主要阐述了二元含锂化合物、三元含锂化合物和有机锂盐等几种常见的补锂技术,并综述了正极预锂化添加剂材料对性能优化的进展,指出面临的一些亟待解决的问题,并对未来预锂化技术进行展望。
In recent years,the application of lithium-ion batteries has seen explosive growth in various fields,and almost ev-ery field has placed higher demands on the energy density of lithium-ion batteries to meet the ever-increasing demand for power and energy storage.Nevertheless,during the initial charge/discharge cycle of a lithium-ion battery,a solid electrolyte interface(SEI)film forms on the surface of the anode,resulting in the depletion of active lithium ions in the cathode materi-als.This phenomenon leads to an irreversible loss of battery capacity and a reduction in the first-time coulombic efficiency of the battery.Research has demonstrated that the pre-lithiation technique represents a viable solution to the issue at hand.The findings indicate that pre-lithiation of the cathode confers greater benefits than pre-lithiation of the anode.The common lithium replenishment technologies were mainly described,such as binary lithium-containing compounds,ternary lithium-containing compounds and organic lithium salts,etc.The progress of cathode pre-lithiation additive materials in optimising performance was also reviewed.It was pointed out that there were some urgent problems to be solved,and looked forward to the future of pre-lithiation technology.

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