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A three-electron structural reaction for Na3V2O2(PO4)2F (Na3VOPF) in space group I4/mmm shows a priori stabilisation in terms of long-life in the voltage range of 2.0-4.5 V, with embedding of more… Click to show full abstract
A three-electron structural reaction for Na3V2O2(PO4)2F (Na3VOPF) in space group I4/mmm shows a priori stabilisation in terms of long-life in the voltage range of 2.0-4.5 V, with embedding of more than one sodium ion to generate Na5VOPF upon discharge to 1.0 V in the first cycle, thereby increasing the specific capacity from ∼170 mA h g-1. The capacity of the crystals was 180 mA h g-1 after 20 cycles. The results provide a probable route to improve fluorophosphate cathode performance.
Keywords:
three electron;
na3v2o2 po4;
fluorophosphate cathode
Journal Title: Chemical communications
Year Published: 2019
Link to full text (if available)
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Journal Title: Chemical communications
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!