石墨负极修饰改善锂离子电池长贮存性能  

Improvement of long-term storage performance of lithium ion batteries by graphite anode modification

作　　者：郑海山[1] 杨忠[2] 苏晓倩[1] ZHENG Haishan;YANG Zhong;SU Xiaoqian(Tianjin Institute of Power Sources,Tianjin 300384,China;Military Representative Office of the Equipment Department of PLA Rocket Force in Tianjin,Tianjin 300381,China)

机构地区：[1]中国电子科技集团公司第十八研究所,天津300384 [2]中国人民解放军火箭军装备部驻天津地区军代表室,天津300381

出　　处：《电源技术》2022年第10期1093-1095,共3页Chinese Journal of Power Sources

摘　　要：锂离子电池具有较高能量密度和功率密度,已在军事装备中得到应用。如何实现锂离子电池长贮存寿命成为这类电池应用时关注的焦点。石墨是锂离子电池负极材料,在很大程度上影响着高荷电状态下锂离子电池的贮存寿命,对石墨负极进行改性则能延长锂离子电池贮存寿命。探讨了石墨负极对于长贮存寿命影响方式及原因,总结了石墨负极改性处理相关技术方法。Lithium ion batteries have high energy density and power density,and have been used in military equipment.Therefore,how to realize the long storage life of lithium ion batteries has become the focus of attention in the application of such batteries.Graphite is the negative electrode material of lithium ion battery,which greatly affects the storage life of lithium ion battery under high charge state.Modifying graphite negative electrode can prolong the storage life of lithium ion battery.This paper discusses the influence ways and reasons of graphite negative electrode on long storage life,and summarizes the relevant technical methods of graphite negative electrode modification.

关 键 词：锂离子电池 长贮存寿命 石墨负极 

分 类 号：TM912[电气工程—电力电子与电力传动]