The effect of carbon species on the properties of Fe/C composite for metal-air battery anode

Bui Thi Hang, Minato Eashira, Izumi Watanabe, Shigeto Okada, Jun Ichi Yamaki, Seong Ho Yoon, Isao Mochida

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

For the purpose of finding an adequate carbon additive for a Fe/C composite air battery anode, effects of various carbons on the electrochemical properties of Fe/C composite electrodes were investigated using cyclic voltammetry (CV) and scanning electron microscopy (SEM), together with X-ray energy-dispersive spectroscopy (EDS). Acetylene black, tubular carbon nanofiber (CNF) and platelet CNF exhibited good results, including improved conductivity and higher redox currents of the Fe/C electrode. EDS revealed that on the Fe/nano-carbon surface, especially on the Fe/tubular CNF surface, iron was more dispersed than on Fe/graphite after cycling. Such a high dispersion of iron on nano-carbon surfaces may improve the electrochemical behavior of the Fe redox species.

Original languageEnglish
Pages (from-to)256-264
Number of pages9
JournalJournal of Power Sources
Volume143
Issue number1-2
DOIs
Publication statusPublished - Apr 27 2005

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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