Journal Highlight: Li-S battery analyzed by UV/Vis in operando mode

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  • Published: Aug 12, 2013
  • Author: spectroscopyNOW
  • Channels: UV/Vis Spectroscopy
thumbnail image: Journal Highlight: Li-S battery analyzed by UV/Vis in operando mode
UV/Vis spectrophotometry has been used to study the polysulfides in Li–S batteries to help in elucidating the operational mechanism.

Li-S battery analyzed by UV/Vis in operando mode

ChemSusChem, 2013, 6, 1177-1181
Manu U. M. Patel, Rezan Demir-Cakan, Mathieu Morcrette, Jean-Marie Tarascon, Miran Gaberscek, Robert Dominko

Abstract: UV/Vis spectrophotometry is demonstrated as a powerful analytical method for the in situ study of polysulfides. Through the interactions that occur between different chain-length polysulfide molecules and the UV/Vis radiation, quantitative and qualitative determination of the polysulfides formed during Li–S battery operation can be achieved. The method can detect small differences between chemical environments such as the structure of the cathode composite, the electrolyte composition and the effects of any additives. This will help to determine the influence of the various components on the operational mechanism in Li–S batteries.

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