【摘要】 橄榄石型 LiFePO₄正极材料具有原料来源丰富、无毒、环境友好、理论容量较高、热稳定性和循环性能好等特点,有望成为新一代锂离子电池正极材料。介绍了 LiFePO₄正极材料的结构、充放电机理、性能特点及存在的问题,综述了 LiFePO₄的合成工艺,添加导电材料和掺杂改性等方面的研究进展。更多还原

【Abstract】 The olivine LiFePO₄ has the potential to be a new commercial cathode material for lithium ion bat- tery due to its abundant resources,non-toxicity,environmental benign,high theoretical capacity,good thermal stability and excellent cycling performance.The structure,charge/discharge mechanism,properties and problems of LiFePO₄ are introduced in this paper.The research progresses in synthesizing technology,adding conductive materials,doping are reviewed.更多还原