In 1997, AKPadhi reported for the first time that iron phosphate (LiFePO4) has the function of release. LiMPO4(M:Mn, Fe, Co, Ni), an olivine type phosphate lithium inlays material, is a potential cathode material for lithium ion batteries. As a cathode material for lithium ion batteries, lithium iron phosphate has good electrochemical performance. The charging and discharging platform is very stable, and its structure is stable during the charging and discharging process. At the same time, the material is non-toxic, no pollution, good safety performance, can be used in high temperature environment, a wide range of raw materials and other advantages, is currently the battery industry competing to develop and research the hot spot.

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