Substrate effect on the microstructure and electrochemical properties in the deposition of a thin film LiCoO2electrode

Jong Ki Lee, Seung Joo Lee, Hong Koo Baik, Heon Young Lee, Serk Won Jang, Sung Man Lee

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

An LiCoO2thin-film cathode was deposited onto sintered alumina and Si/SiO2substrates. After annealing at 800 °C in O2for 30 min, the film deposited on alumina consisted of large particles with several cracks, whereas the film deposited on the Si substrate was composed of very small and uniform particles. The films deposited on Si showed improved electrochemical properties, such as peak potential divergence and rate capability, over those for the alumina substrate electrode, which can be attributed to differences of the particle size, surface morphology, and the low electrical resistance of the current collector.

Original languageEnglish
Pages (from-to)512-515
Number of pages4
JournalElectrochemical and Solid-State Letters
Volume2
Issue number10
DOIs
Publication statusPublished - 1999 Oct 1

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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