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Presented by Thermo Fisher Scientific and Oak Ridge National Laboratory

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

Date: July 21, 2022

Time: 12:00PM - 01:00PM

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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

Hosts:

• Tim Nunney, Thermo Fisher Scientific

Speakers:

• Charl Jafta, Oak Ridge National Laboratory

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