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Both Ni doping and carbon coating are adopted to synthesize a nano-sized LiFePO 4 cathode material through a simple solid-state reaction. It is found that the Ni 2+ has been successfully doped into LiFePO 4 without affecting the phospho-olivine structure from the XRD result. The images of SEM and TEM show that the size of particles is distributed in the range of 20–60nm, and...
A simple high-energy ball milling combined with spray-drying method has been developed to synthesize LiFePO 4 /carbon composite. This material delivers an improved tap density of 1.3g/cm 3 and a high electronic conductivity of 10 −2 to 10 −3 S/cm. The electrochemical performance, which is especially notable for its high-rate performance, is excellent. The discharge...
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