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To improve the operating voltage and the rate performance of LiFePO4, the different ratios of the xLiFePO4·(1−x)Na3V2(PO4)2F3/C (LFP-NVPF/C) are synthesised via a carbothermal reduction method. The structure and morphology of the composite are analysed by X-ray diffraction (XRD) and electron microscopy. The as-prepared material is composed of a mixture of two phases: V-doped LFP and Fe-doped NVPF...
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