Raman Spectroscopy in Lithium-Oxygen Battery Systems

Forrest S. Gittleson, Koffi P.C. Yao, David G. Kwabi, Sayed Youssef Sayed, Won Hee Ryu, Yang Shao-Horn, Andre Taylor

Research output: Contribution to journalArticle

Abstract

Electrochemical processes in lithium-oxygen (Li-O2 or Li-air) batteries are complex, with chemistry depending on cycling conditions, electrode materials and electrolytes. In non-aqueous Li-O2 cells, reversible lithium peroxide (Li2O2) and irreversible parasitic products (i.e., LiOH, Li2CO3, Li2O) are common. Superoxide intermediates (O2-, LiO2) contribute to the formation of these species and are transiently stable in their own right. While characterization techniques like XRD, XPS and FTIR have been used to observe many Li-O2 species, these methods are poorly suited to superoxide detection. Raman spectroscopy, however, may uniquely identify superoxides from O-O vibrations. The ability to fingerprint Li-O2 products insitu or exsitu, even at very low concentrations, makes Raman an essential tool for the physicochemical characterization of these systems. This review contextualizes the application of Raman spectroscopy and advocates for its wider adoption in the study of Li-O2 batteries.

Original languageEnglish (US)
Pages (from-to)1446-1457
Number of pages12
JournalChemElectroChem
Volume2
Issue number10
DOIs
StatePublished - Oct 1 2015

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Lithium
Superoxides
Raman spectroscopy
Oxygen
Peroxides
X ray photoelectron spectroscopy
Electrolytes
Electrodes
Air

Keywords

  • Li-air batteries
  • Lithium peroxide
  • Metal-air batteries
  • Metal-oxygen batteries
  • Superoxides

ASJC Scopus subject areas

  • Catalysis
  • Electrochemistry

Cite this

Gittleson, F. S., Yao, K. P. C., Kwabi, D. G., Sayed, S. Y., Ryu, W. H., Shao-Horn, Y., & Taylor, A. (2015). Raman Spectroscopy in Lithium-Oxygen Battery Systems. ChemElectroChem, 2(10), 1446-1457. https://doi.org/10.1002/celc.201500218

Raman Spectroscopy in Lithium-Oxygen Battery Systems. / Gittleson, Forrest S.; Yao, Koffi P.C.; Kwabi, David G.; Sayed, Sayed Youssef; Ryu, Won Hee; Shao-Horn, Yang; Taylor, Andre.

In: ChemElectroChem, Vol. 2, No. 10, 01.10.2015, p. 1446-1457.

Research output: Contribution to journalArticle

Gittleson, FS, Yao, KPC, Kwabi, DG, Sayed, SY, Ryu, WH, Shao-Horn, Y & Taylor, A 2015, 'Raman Spectroscopy in Lithium-Oxygen Battery Systems', ChemElectroChem, vol. 2, no. 10, pp. 1446-1457. https://doi.org/10.1002/celc.201500218
Gittleson FS, Yao KPC, Kwabi DG, Sayed SY, Ryu WH, Shao-Horn Y et al. Raman Spectroscopy in Lithium-Oxygen Battery Systems. ChemElectroChem. 2015 Oct 1;2(10):1446-1457. https://doi.org/10.1002/celc.201500218
Gittleson, Forrest S. ; Yao, Koffi P.C. ; Kwabi, David G. ; Sayed, Sayed Youssef ; Ryu, Won Hee ; Shao-Horn, Yang ; Taylor, Andre. / Raman Spectroscopy in Lithium-Oxygen Battery Systems. In: ChemElectroChem. 2015 ; Vol. 2, No. 10. pp. 1446-1457.
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