Rapid discharge performance of composite electrode of hydrated sodium manganese oxide and acetylene black

Mitsuhiro Hibino, Hirokazu Kawaoka, Haoshen Zhou, Itaru Honma

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)

Abstract

Hydrated sodium manganese oxide was synthesized by reducing permanganate ion using ethanol by a sol-gel method. By including acetylene black in the synthetic reaction, we obtained composite materials in which sodium manganese oxide hydrate particles were small and mixed well with the acetylene black. We evaluated those composites as a lithium battery cathode and found that they showed 170mA h g-1 under 5 mA g-1 and 117 mA h g -1 under 5 A g-1 on the basis of composite weight. This rapid discharge performance was probably caused by the favorable contact condition of the composite constituents.

Original languageEnglish
Pages (from-to)5209-5216
Number of pages8
JournalElectrochimica Acta
Volume49
Issue number28
DOIs
Publication statusPublished - 2004 Nov 1
Externally publishedYes

Keywords

  • Cathode material
  • Composite material
  • Lithium battery
  • Rapid discharge
  • Sodium manganese oxide

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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