摘要
CF_(x)作为一种重要的正极材料,在锂原电池中具有高能量密度、长贮存寿命和优异的安全性等优点。近年来,研究人员通过研究Li/CF_(x)的工作机理,揭示了CF_(x)材料目前存在的问题,并针对这些问题进行了一系列的改性处理,如等离子体处理、表面包覆、原子掺杂等。此外,研究人员还通过表面脱氟、纳米尺度工程等手段,改变表面结构从而提升导电性和锂离子传输速率,进一步提高了其能量密度。这些研究成果为CF_(x)在锂原电池中的应用提供了新的思路和途径。主要介绍了Li/CF_(x)电池的工作机理及CF_(x)材料目前存在的问题,针对CF_(x)材料的改性方法做了总结分析,并对Li/CF_(x)电池在航空航天、国防军事等领域的应用做了详细介绍和展望。
CF_(x) serves as an important positive electrode material,has high energy density,long storage life,and excellent safety in lithium primary batteries.In recent years,researchers have identified the problems existing in CF_(x) materials by studying the working mechanism of Li/CF_(x) and have carried out a series of modification treatments based on these issues,such as plasma treatment,surface coating,and atomic doping.Furthermore,researchers have also changed the surface structure through methods like surface defluorination and nanoscale engineering to enhance conductivity and lithium ion transport rate,further improving its energy density.These research achievements provide new insights and approaches for the application of CF_(x) in lithium primary batteries.This article mainly introduced the working mechanism of Li/CF_(x) batteries and the current issues with CF_(x) materials,summarized and analyzed the modification methods for CF_(x) materials,and provided a detailed introduction and outlook on the applications of Li/CF_(x) batteries in aerospace,national defense,and military fields.
作者
张洋
张雅婷
张泽峰
王九洲
付甜甜
ZHANG Yang;ZHANG Yating;ZHANG Zefeng;WANG Jiuzhou;FU Tiantian(Tianjin Institute of Power Sources,Tianjin 300384,China;Tianjin University,Tianjin 300072,China;Yantai Research Institute,Harbin Engineering University,Yantai Shandong 265502,China)
出处
《电源技术》
CAS
北大核心
2024年第8期1466-1474,共9页
Chinese Journal of Power Sources
关键词
氟化碳
正极材料
锂氟化碳电池
改性方法
fluorocarbon
positive electrode material
lithium fluorocarbon battery
modification methods