锂/钠离子电池过渡金属氟磷酸盐正极材料研究进展  

Advances in transition metal fluoride phosphate cathode materials for lithium-ion batteries and sodium-ion batteries

作　　者：龙云飞[1] 苏静[1] 吕小艳 文衍宣[1] Long Yunfei;Su Jing;LüXiaoyan;Wen Yanxuan(School of Chemistry and Chemical Engineering,Guangxi University,Nanning 530004,China;The New Rural Development Research Institute,Guangxi University)

机构地区：[1]广西大学化学化工学院,广西南宁530004 [2]广西大学新农村发展研究院,广西南宁530004

出　　处：《无机盐工业》2020年第3期28-34,38,共8页Inorganic Chemicals Industry

基　　金：国家自然科学基金项目（51864005,51564002）;广西自然科学基金项目（2018GXNSFDA281014）

摘　　要：便携式电子产品、电动汽车和储能领域的快速发展对电池能量密度的要求越来越高,正极材料是限制电池能量密度的主要因素。过渡金属氟磷酸盐(A2MPO4F,A=Li、Na,M=Mn、Fe、Co、Ni)是一类高比容量(~300 m A·h/g)和高能量密度(>1000 W·h/kg)的新型正极材料。主要介绍了A2MPO4F的结构、合成方法与改性方面的最新进展。讨论了A2MPO4F所面临的主要挑战,特别是实现两电子反应所面临的困难。展望了它们的应用前景。With the rapid development of portable electronic products,electric vehicles and energy storage,the demand for high energy density batteries is more and more urgent.Cathode materials are the main limits for the energy-density of batteries.Transition metal fluoride phosphates(A2MPO4F;A=Li,Na;M=Mn,Fe,Co,Ni)is a type of competitive cathode materials with high-capacity(~300 m A·h/g)and high energy density(>1000 W·h/kg).The research progress related to the A2MPO4F cathode materials on the structures,synthesis methods and improving techniques for electrochemical performance were mainly introduced.The key challenges of A2MPO4F cathode materials faced,especially the difficulties in realizing the two electron reaction,were discussed.Finally,the future trends and perspectives for performance enhancement were prospected.

关 键 词：锂离子电池 钠离子电池 正极材料 过渡金属氟磷酸盐 

分 类 号：TQ126.35[化学工程—无机化工]