Enhanced Electrochemical Properties of LiMnPO4/C by Glucose-Assisted Polyol Synthesis.
2015
Carbon-coated nano-sized LiMnPO4/C particles are synthesized by polyol method using low-cost glucose as the carbon source. The X-ray diffraction patterns of the synthesized samples are well indexed to the orthorhombic olivine-LiMnPO4 structure. The morphology studies using FE-SEM and HR-TEM images clearly illustrate thin layered carbon coatings on LiMnPO4 particles of sizes ranging between 50~100 nm. The LiMnPO4/C particles delivers an initial discharge capacity of 151 mA h g-1 at a current density of 1.6 mA g-1 in the voltage range of 2.5-4.3 V with impressive capacity retentions.
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