Synthesis of Na2FePO4F using polytetrafluoroethylene

Synthesis of Na2FePO4F using polytetrafluoroethylene

Polytetrafluoroethylene (PTFE), composed of fluorine and carbon atoms, has a potential to produce carbon-coated fluorides in the calcination of inorganic compounds. We synthesized high voltage cathode material for Na ion secondary battery, Na2FePO4F, using PTFE as the carbon-coating and fluorine sou...

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Veröffentlicht in:Journal of the Ceramic Society of Japan 2018/05/01, Vol.126(5), pp.336-340
Hauptverfasser: TSU-URA, Atsushi, TORII, Hirotaka, HASEGAWA, Takuya, MURAYAMA, Dai, KIM, Sun Woog, UEMATSU, Kazuyoshi, TODA, Kenji, SATO, Mineo
Format: Artikel
Sprache:eng
Schlagworte:
Carbon
Chemical synthesis
Electrode materials
Fluoride electrode materials
Fluorides
Fluorine
Inorganic compounds
Na-ion battery
Na2FePO4F
Polytetrafluoroethylene
Storage batteries
Thermal decomposition
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Zusammenfassung:Polytetrafluoroethylene (PTFE), composed of fluorine and carbon atoms, has a potential to produce carbon-coated fluorides in the calcination of inorganic compounds. We synthesized high voltage cathode material for Na ion secondary battery, Na2FePO4F, using PTFE as the carbon-coating and fluorine source. The Na2FePO4F carbon-coated by a thermal decomposition of PTFE showed high discharge capacity (64.4 mAh g−1) at the first cycle of galvanostatic cycling by the improvement of conductivity.
ISSN:1882-0743
1348-6535
DOI:10.2109/jcersj2.17230