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Understanding Surface Reactions of the Solid Electrolyte Interface via Advanced Characterization Techniques

Jul 21, 2022 12:00pm ‐ Jul 21, 2022 1:00pm


This webinar will show the characterization solid electrolyte interphase (SEI) layers that will lead to the development of processes to create artificial SEI layers. A facile non-invasive electrochemical protocol is presented to improve the interfacial impedance and contact. With extreme fast charging causing lithium plating on graphite electrodes Li4Ti5O12 (LTO) and TiNb2O7 (TNO) are explored as alternatives. In-situ thermal XPS measurements will be shown on solid polymer electrolytes opening the question if the degradation is because of the temperature or the X-ray radiation. XPS as a standalone and complimentary tool to probe battery surfaces will be discussed with other operando techniques.

Attend this webinar to learn about:

  • Probing the SEI layer via operando small angle neutron scattering and using ex situ XPS as a complementary tool
  • Evolution of the SEI via operando techniques
  • How X-rays influence the degradation of solid polymer electrolytes

Presented by Thermo Fisher Scientific

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Oak Ridge National Laboratory



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