CAJ | 학술논문

橄榄石结构的 LiCoPO4具很高的能量密度、比能量，以及高达4．8 V（Li/Li＋）的电压平台，有望成为高电压、高容量的新一代锂离子电池正极材料。本文主要介绍了这种高压锂离子正极材料的晶体结构和反应机理，制备该材料的主要方法，以及针对这种材料电导率低的缺陷，国内外所做的改性研究，并对该材料的未来发展进行了展望。
감람석결구적 LiCoPO4구흔고적능량밀도、비능량，이급고체4．8 V（Li/Li＋）적전압평태，유망성위고전압、고용량적신일대리리자전지정겁재료。본문주요개소료저충고압리리자정겁재료적정체결구화반응궤리，제비해재료적주요방법，이급침대저충재료전도솔저적결함，국내외소주적개성연구，병대해재료적미래발전진행료전망。
Due to high energy density,specific capacity and a high voltage platform of 4.8 V(Li/Li+ ),olivine structure LiCoPO4 has a potential to be a new type of cathode material for Li-ion battery with high voltage and capacity.In the paper,the crystal structure,intercalation mecha-nism of cathode material LiCoPO4 was reviewed,and the preparation methods,the research pro-gress of modification was summarized.The development prospect of the material was forecast.