In situ SEM study of the interfaces in plastic lithium cells

F. Orsini, A. Du Pasquier, B. Beaudouin, J. M. Tarascon, M. Trentin, N. Langenhuizen, E. De Beer, P. Notten

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Abstract

The interfaces of lithium cells were studied upon cycling within a scanning electron microscope (SEM). The LiMn2O4-cathode and the electrolyte consisted of a polymer matrix embedding a solution of LiPF6, while three types of anodes, Li, Cu and graphite, were tested and compared. For each configuration the morphology of the lithium deposit was correlated to the current density. Mossy lithium, at low current, and Li-dendrites, at high current, were observed at the Cu/electrolyte and Li/electrolyte interfaces, while no special morphology was noted at the graphite/electrolyte interface.

Original languageEnglish
Pages (from-to)918-921
Number of pages4
JournalJournal of Power Sources
Volume81-82
DOIs
Publication statusPublished - 1 Jan 1999
Externally publishedYes
Event1998 Ninth International Meeting on Lithium Batteries - Edingburgh, United Kingdom
Duration: 12 Jul 199817 Jul 1998

Keywords

  • Current density
  • Dendrite
  • Lithium electrode
  • SEM

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    Orsini, F., Du Pasquier, A., Beaudouin, B., Tarascon, J. M., Trentin, M., Langenhuizen, N., ... Notten, P. (1999). In situ SEM study of the interfaces in plastic lithium cells. Journal of Power Sources, 81-82, 918-921. https://doi.org/10.1016/S0378-7753(98)00241-9