Assembly of Na3V2(PO4)3Nanoparticles Confined in a One-Dimensional Carbon Sheath for Enhanced Sodium-Ion Cathode Properties

Satoshi Kajiyama, Jun Kikkawa, Junichi Hoshino, Masashi Okubo, Eiji Hosono*

*この研究の対応する著者

研究成果: Article査読

64 被引用数 (Scopus)

抄録

Structural and morphological control is an effective approach for improvement of electrochemical properties in rechargeable batteries. One-dimensionally assembled structure composed of NASICON-type Na3V2(PO4)3nanoparticles were fabricated through an electrospinning method to meet the requirements for the development of efficient electrode materials in Na-ion batteries. High-temperature treatment of electrospun precursor fibers under an argon flow provides a nonwoven fabric of nanowires comprising crystallographically oriented nanoparticles of NASICON-type Na3V2(PO4)3within a carbon sheath. The mesostructure comprising NASICON-type Na3V2(PO4)3and carbon give a short sodium-ion transport pass and an efficient electron conduction pass. Electrochemical properties of NASICON-type Na3V2(PO4)3are improved on the basis of one-dimensional nanostructures designed in the present study.

本文言語English
ページ(範囲)12636-12640
ページ数5
ジャーナルChemistry - A European Journal
20
39
DOI
出版ステータスPublished - 2014 9月 22
外部発表はい

ASJC Scopus subject areas

  • 触媒
  • 有機化学

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