Progresses of cathode materials LiFePO_4 by sol-gel method for lithium-ion battery

Lithium iron phosphate is a new type of cathode material for lithium-ion battery,and its electrochemical properties are affected by synthesis method and process conditions.The crystal structure characteristics and electrochemical characteristics in charge-discharge process of LiFePO4 were reviewed.The research progresses of LiFePO4 synthesized by sol-gel method in recent years were emphasized,and the advantages and disadvantages of this method were outlined,too.