Technical Note

Analytical and Bioanalytical Chemistry

, Volume 400, Issue 3, pp 691-696

First online:

XPS investigations of electrolyte/electrode interactions for various Li-ion battery materials

  • S. OswaldAffiliated withIFW Dresden Email author 
  • , D. MikhailovaAffiliated withIFW Dresden
  • , F. ScheibaAffiliated withIFW Dresden
  • , P. ReichelAffiliated withIFW Dresden
  • , A. FiedlerAffiliated withIFW Dresden
  • , H. EhrenbergAffiliated withIFW Dresden

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For future Li-ion battery applications the search for both new design concepts and materials is necessary. The electrodes of the batteries are always in contact with electrolytes, which are responsible for the transport of Li ions during the charging and discharging process. A broad range of materials is considered for both electrolytes and electrodes so that very different chemical interactions between them can occur, while good cycling behavior can only be obtained for stable solid-electrolyte interfaces. X-ray photoelectron spectroscopy (XPS) was used to study the most relevant interactions between various electrode materials in contact with different electrolyte solutions. It is shown how XPS can provide useful information on reactivities and thus preselect suitable electrode/electrolyte combinations, prior to electrochemical performance tests.

Characteristic changes of the Li1s XP-spectra at Li2O2 powder after storage in LiPF6 for various time point to a LiF formation


Li ion battery Electrolyte Surface interaction XPS