Lithium cobalt oxide crystallization on flexible polyimide substrate

  • J. F. Ribeiro
  • R. Sousa
  • E. M. F. Vieira
  • A. G. Rolo
  • M. M. Silva
  • L. Dupont
  • J. H. Correia
  • L. M. Goncalves


This work reports the fabrication and characterization of lithium cobalt oxide films (LiCoO2) on flexible Kapton® substrate. LiCoO2 is commonly used as cathode of lithium microbatteries but needs an annealing of 700 °C, which is not compatible with most flexible substrates. LiCoO2 films were deposited by reactive RF sputtering followed by an annealing process at 400 °C for 1 h in vacuum and air atmospheres both in silicon and Kapton® substrates. Raman spectroscopy, X-ray diffraction patterns and scanning electron microscopy images were used to evaluate samples crystallinity and morphology. Films fabricated in Kapton® and silicon substrates were compared.


Current Collector Energy Storage System Polyimide Substrate Platinum Deposition Lithium Cobalt Oxide 
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This work was financial supported by FEDER/COMPETE and FCT funds with the Project PTDC/EEA-ELC/114713/2009, strategic Project PEst-C/FIS/UI607/2013, PEst-C/QUI/UI0686/2013 and UID/EEA/04436/2013, first author scholarship SFRH/BD/78217/2011 and third author scholarship SFRH/BPD/95905/2013.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Algoritmi CenterUniversity of MinhoGuimaraesPortugal
  2. 2.DEIUniversity of MinhoGuimaraesPortugal
  3. 3.CMEMS UMINHOUniversity of MinhoGuimaraesPortugal
  4. 4.Physics Center and Physics DepartmentUniversity of MinhoBragaPortugal
  5. 5.Chemistry CenterUniversity of MinhoBragaPortugal
  6. 6.LRCS, UMR CNRS 7314Université de Picardie Jules VerneAmiensFrance

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