Fe2O3-filled carbon nanotubes as a negative electrode for an Fe-air battery

Bui Thi Hang, Hiroshi Hayashi, Seong-Ho Yoon, Shigeto Okada, Jun ichi Yamaki

Research output: Contribution to journalArticlepeer-review

61 Citations (Scopus)

Abstract

Fe2O3-filled carbon nanotube material was prepared by filling carbon nanotubes (CNTs) with iron nitrate and then heating in an argon flow. The morphology and structure of this material were investigated by transmission electron microscopy (TEM), scanning electron microscopy (SEM) coupled with X-ray energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD) measurements. The morphology, particle size and amount of iron oxide that filled CNTs depended on the amount of iron nitrate precursor. When Fe:C = 1:17 wt%, almost all of the iron oxide particles resided inside CNTs and their particle size was smaller than that at Fe:C = 1:8 wt%. The electrochemical properties of this material were investigated using cyclic voltammetry (CV) and galvanostatic cycling.

Original languageEnglish
Pages (from-to)393-401
Number of pages9
JournalJournal of Power Sources
Volume178
Issue number1
DOIs
Publication statusPublished - Mar 15 2008

All Science Journal Classification (ASJC) codes

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

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