Abstract:The performances of pure phase LiVPO4F/C is poor. AlF3 is selected to dope it, which is synthesized by a novel chemical reduction. Alveolate structure is discovered in undoped sample because of the volatilization of fluoride. The selected area electron diffraction proves that it is composed of Li3V2(PO4)3 and LiVPO4F. However, the alveolate disappears in doped sample with pure parallelogram pattern because AlF3 supplements the loss of fluorine. Doping of Al3+ decreases the lattice parameters and stabilizes the… Show more
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