Journal
RSC ADVANCES
Volume 3, Issue 45, Pages 22935-22939Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra44094j
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Funding
- Core Research for Evolutional Science and Technology (CREST) project of the Strategic Basic Research Programs of Japan Science and Technology Agency
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A novel fluoro-polyanionic cathode LiV0.5Fe0.5PO4F is synthesized via a wet ball-milling-assisted solid state method. Cationic ordering of V3+ and Fe3+ results in a single phase behaviour over the lithium composition range of Li1 +/- xV0.5Fe0.5PO4F (0 < x < 0.5) as revealed by X-ray diffraction analysis and electrochemical tests. This finding offers a versatile strategy of introducing single-phase behaviour in promising fluoro-polyanionic compounds exhibiting two-phase mechanisms.
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