High power Na-ion rechargeable battery with single-crystalline Na 0.44MnO 2 nanowire electrode

Eiji Hosono, Tatsuya Saito, Junichi Hoshino, Masashi Okubo, Yoshiyasu Saito, Daisuke Nishio-Hamane, Tetsuichi Kudo, Haoshen Zhou

Research output: Contribution to journalArticlepeer-review

134 Citations (Scopus)

Abstract

High power Na-ion rechargeable batteries have attracted much interest recently. In particular, the development of nanostructured electrode materials is essentially required, because the large surface area and short Na-ion diffusion length could provide the high power density. In this paper, we report on the fabrication of single-crystalline Na 0.44MnO 2 nanowire, and the application to Na-ion rechargeable batteries. The single phase Na 0.44MnO 2 was successfully synthesized by the hydrothermal method. The SEM and TEM experiments proved that hydrothermally synthesized Na 0.44MnO 2 has single-crystalline nanowire morphology. The single-crystalline Na 0.44MnO 2 nanowire electrode in Na-ion batteries showed both the excellent cycle stability and high-charge/discharge-rate capability. Highlights: The single crystalline Na 0.44MnO 2 nanowires for the sodium ion battery. The excellent cycle stability and high-charge/discharge-rate capability. A potential candidate for the cathode material in the high power Na-ion battery.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalJournal of Power Sources
Volume217
DOIs
Publication statusPublished - 2012 Nov 1
Externally publishedYes

Keywords

  • Na MnO
  • Nanowire
  • Single crystal
  • Sodium ion battery

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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