摘要
钠离子层状氧化物因成本低廉、资源分布广泛、工作电压高、比容量较高且安全性好等优点,逐渐成为研究的热点。综述了钠离子层状氧化物正极材料的主要制备方法、容量衰减的原因以及改性方法;分析了常用制备方法的优缺点及容量衰减的可能原因;展望了层状氧化物正极材料未来的应用及发展方向。
The Na-ionic layered oxide material has become a research hotspot in recent years due to its low cost,wide resource distribution,high working voltage,high specific capacity and good safety.The main preparation methods of Na-ionic layered oxide cathode materials,the reasons for capacity decay and the modification methods were reviewed.The advantages and disadvantages of common preparation methods and possible causes of capacity decay were analyzed.And the future application and development direction of the cathode materials were prospected as well.
作者
王诗敏
李春雷
艾灵
王圣贤
李世友
Wang Shimin;Li Chunlei;Ai Ling;Wang Shengxian;Li Shiyou(College of Petrochemical Technology,Lanzhou University of Technology,Gansu Engineering Laboratory of Cathode Material for Lithium-ion Battery,Lanzhou 730050)
出处
《化工新型材料》
CAS
CSCD
北大核心
2020年第9期251-255,共5页
New Chemical Materials
基金
甘肃省科技重大专项(17ZD2GC011)
知识产权计划-高价值专利转化实施专项(18ZC1LA014)。
关键词
钠离子电池
层状氧化物
制备
容量衰减
改性
Na-ionic battery
layered oxide
preparation
capacity attenuation
modification
