Probing battery chemistry with liquid cell electron energy loss spectroscopy

Raymond R. Unocic, Loïc Baggetto, Gabriel M. Veith, Jeffery A. Aguiar, Kinga A. Unocic, Robert L. Sacci, Nancy J. Dudney, Karren L. More

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

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 languageEnglish
Pages (from-to)16377-16380
Number of pages4
JournalChemical Communications
Volume51
Issue number91
DOIs
StatePublished - Sep 15 2015

Bibliographical note

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© The Royal Society of Chemistry.

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