Lithium-ion batteries as the optimal power source for electric vehicles have attracted much attention.Lithium iron phosphate(LiFePO4)has become one of the most promising cathode materials for lithium-ion batteries due to its stable charging-discharge performance,wide source,high specific capacity and green environment.Based on the review of crystal structure,preparation method and performance of LiFePO4 as a positive electrode material,two modification methods—surface coating and ion doping were analyzed.Based on the summary of the advantages and limitations of LiFePO4,the future research focus and development trend of LiFePO4 are prospected.
关键词
锂离子电池/LiFePO4/表面包覆/离子掺杂
Key words
Lithium iron battery/LiFePO4/Surface coating/Ion doping
维普
万方数据