Synthesis of LiCoO

W. Lada, A. Deptula, B. Sartowska, T. Olczak, A.G. Chmielewski, M. Carewska, S. Scaccia, E. Simonetti, L. Giorgi, A. Moreno

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Thin films of LiCoO2 or LiMg0.05Co 0.95O2 were prepared by dipping technique on a cathode body Ni/NiO in order to protect them against dissolution in Molten Carbonate Fuel Cells (MCFC). Ni plates were always initially oxidized by heating at 550°C under the dead load of the ceramic plates in order to avoid waving. Then the substrates have been dipped in Li+-Co2+(Mg 2+) acetate-ascorbate sols diluted with ethanol, in order to receive layers -1μm. The covered substrates were calcined at 650°C similarly as Ni-plates. The presence of LiCoO2 in a deposited coating has been proved by EDS patterns. The resultant film thicknesses were measured by scanning electron microscopy (SEM) on the fractured cross-sections. Cathode bodies covered with LiCoO2 are practically completely prevented from dissolution of Ni in a molten K/Li electrolyte (NiO solubility value less than 1 mol ppm). Dissolution of LiCoO2 coating was not observed as well. SEM observations did not show any remarkable changes in microstructure and morphology of the covered cathodes in molten electrolyte.
Original languageEnglish
Pages (from-to)33 - 37
Number of pages5
JournalJournal of New Materials for Electrochemical Systems
Issue number1
Publication statusPublished - Jan 2003


All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrochemistry

Cite this

Lada, W., Deptula, A., Sartowska, B., Olczak, T., Chmielewski, A. G., Carewska, M., ... Moreno, A. (2003). Synthesis of LiCoO. Journal of New Materials for Electrochemical Systems, 6(1), 33 - 37.