摘要
LiFePO4是最近几年来被广泛关注的锂离子电池正极材料,经过十余年的研究,LiFePO4的合成、改性、应用均取得了实质性进展,该材料已进入实用化阶段。LiFePO4具有比容量高(170 mAh/g),环境相容性好,原料丰富,循环性能好,充放电平台稳定等优点,因此该材料非常适合于对安全性、循环寿命、使用成本等敏感的大型电池应用领域,比如混合动力汽车(HEV)和纯电动汽车(EV)领域。概括了LiFePO4的晶体结构,充放电机理和主要的改性手段,介绍了这种新型锂离子正极材料的研究进展。
LiFePO4 is one of the lithium-ion batteries materials which have attracted wide public concern over the recent years.After more than ten years of research,substantial results have been achieved including the synthesis,modification and application of LiFePO4,and this material has entered the period of practicality production.LiFePO4 is very suitable for large batteries such as HEV and EV which require safety,cyclic life and low cost field because of its high specific capacity（170 mAh/g）,good environment compatibility,inexpensive and good cyclic performance.Research progress on LiFePO4 was summarized,including lattice structure,charge and discharge mechanism and modification methods.
出处
《电源技术》
CAS
CSCD
北大核心
2013年第1期147-151,共5页
Chinese Journal of Power Sources
关键词
锂离子电池
正极材料
磷酸铁锂
lithium-ion batteries
positive materials
LiFePO4
