The surface morphology of Li metal electrode

S. W. Kim, Y. J. Ahn, W. Y. Yoon

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Surface morphological changes of Li powder compacted electrodes were investigated and compared with extruded Li foil electrodes during the dissolution (discharge)/deposition (charge) process. The area of dendrite growing surfaces was reduced remarkably for Li powder compacted electrodes. Impedance measurements showed that Li compacted powder electrodes had a lower resistance than Li foil electrodes. This is presumed to be related with resistance reduction due to increasing ion conductivity in the SEI (solid electrolyte interface) formed on the surface along with the increase of the reaction area for the powder electrode.

Original languageEnglish
Pages (from-to)345-349
Number of pages5
JournalMetals and Materials International
Volume6
Issue number4
DOIs
Publication statusPublished - 2000 Aug

Keywords

  • Battery
  • Impedance
  • Lithium
  • Lithium metal battery
  • Lithium powder
  • SEI

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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