▎ 摘 要
NOVELTY - Fluorine-doped manganese phosphate iron lithium anode material comprises matrix material and doping element source in ratio of 1:0.001-2, where doping element source is fluorine source, the matrix material comprises iron phosphate, a manganese source and a lithium source in ratio 0.5-2:1:1, the matrix material is modified by modifying agent which is graphene. USE - Fluorine-doped manganese phosphate iron lithium anode material in lithium battery ADVANTAGE - The anode material has excellent electrochemical performance, such as electronic conductance and ion conductivity. The preparation method has simple operation, convenient control and easy process batch preparation. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing anode material, which involves taking iron phosphate, manganese source and lithium source, stirring and mixing to obtain matrix material, mixing the matrix material and the mixed medium, ball milling and drying to obtain matrix mixed material; placing the matrix mixed material in protective gas, heating to 400-550 degrees Celsius, preserving temperature and calcining for 2-10h to obtain pre-calcined precursor; taking pre-calcined matrix, doping element source and mixed medium, stirring and mixing, grinding processing and drying to obtain doped mixed material; and putting the parent mixed material in the protective gas, heating to 550-850 degrees Celsius, keeping the temperature for 6-10h to obtain anode material.