Nano-tube-like surface structure in graphite anodes for lithium-ion secondary batteries

Koji Moriguchi*, Yutaka Itoh, Shinji Munetoh, Kazuhito Kamei, Masaru Abe, Atsuo Omaru, Masayuki Nagamine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


We report microstructures on the surface of graphite particles found in practicable carbon anodes by means of high-resolution transmission electron microscopy. The surfaces consist of "closed-edge" structures constructed in a similar manner as carbon nano-tube. We have also investigated the formation mechanism of these nano-structures using molecular dynamics simulations based on the Tersoff potential. From electrochemical measurements, the carbon anodes composed of these "closed-edge" structures show actually high battery performance with a large discharge capacity and a small irreversible capacity.

Original languageEnglish
Pages (from-to)127-129
Number of pages3
JournalPhysica B: Condensed Matter
Issue number1-4
Publication statusPublished - 2002 Oct
Externally publishedYes


  • Carbon nanotubes
  • Graphite anodes
  • Lithium-ion secondary battery
  • Surface structure

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics


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