Enhanced electrochemical performance of ammonium vanadium bronze through sodium cation intercalation and optimization of electrolyte

Hailong Fei, Xin Liu, Huan Li, Mingdeng Wei

研究成果: ジャーナルへの寄稿学術誌査読

15 被引用数 (Scopus)

抄録

A new type of platelet-like ammonium vanadium bronze (NH4)2V6O16 is first used as cathode material for Na-ion battery. The discharge capacity and cycling stability is improved by the intercalation of Na+ and using NaPF6 as electrolyte. Raman spectrum shows that the crystalline structure of (NH4)2V6O16 is changed after the intercalation of Na+ to (NH4)2V6O16. Furthermore, the obtained sodium ammonium vanadium bronze shows smaller charge transfer resistance than (NH4)2V6O16, which would favor superior discharge capacity and good cycling stability. Additionally, NaPF6 is prior to NaClO4 as electrolyte for ammonium vanadium bronze cathode materials.

本文言語英語
ページ(範囲)273-276
ページ数4
ジャーナルJournal of Colloid And Interface Science
418
DOI
出版ステータス出版済み - 3月 15 2014
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 生体材料
  • 表面、皮膜および薄膜
  • コロイド化学および表面化学

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