Abstract
LiMnXFe1-XPO4 (X = 0.6) has excellent energy density and thermal stability, combining the excellent multiplicity performance of LiFePO4 and the high operating voltage of LiMnPO4. However, lower electronic conductivity and lithium ion diffusion rate are the main problems faced. We successfully synthesized LiMn0.6Fe0.4PO4 with uniform particles by a solvothermal method using surfactant PVP as an anti-agglomeration agent. At the same time, we found that the concentration of PVP in the reaction mixture plays a crucial role in the controllable structure and morphology of LiMn0.6Fe0.4PO4, thus accelerating the de-embedding of lithium ions reached 145.2 mAh g−1 under 1 C test. Therefore, the high-performance LiMn0.6Fe0.4PO4/C nanomaterials synthesized by the solvothermal method are significant for developing and applying lithium-ion batteries.
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