Probing Battery Chemistry with Liquid Cell Electron Energy Loss Spectroscopy

Jeffery Aguiar, Raymond Unocic, Loic Beggetto, Gabriel Veith, Kinga Unocic, Robert Sacci, Nancy Dudney, Karren More

Research output: Contribution to journalArticlepeer-review

20 Scopus Citations


We demonstrate the ability to apply electron energy loss spectroscopy (EELS) to follow the chemistry and oxidation states of LiMn2O4 and Li4Ti5O12 battery electrodes within a battery solvent. This is significant as the use and importance of in situ electrochemical cells coupled with a scanning/transmission electron microscope (S/TEM) has expanded and been applied to follow changes in battery chemistry during electrochemical cycling. We discuss experimental parameters that influence measurement sensitivity and provide a framework to apply this important analytical method to future in situ electrochemical studies.
Original languageAmerican English
Pages (from-to)16377-16380
Number of pages4
JournalChemical Communications
Issue number91
StatePublished - 2015

NREL Publication Number

  • NREL/JA-5K00-65506


  • battery electrodes
  • battery solvent
  • EELS
  • electron energy loss spectroscopy


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