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Liang Zhang: In situ/operando XAS for energy storage materials

2020-August-5 @ 8:00 am - 5:00 pm

Rechargeable batteries (Li-ion batteries and beyond) have received extensive attention as powerful boosters for the development of human society. However, the application of rechargeable batteries is still hindered by low energy density, serious voltage hysteresis, and long-term degradation. Therefore, it is of great importance for understanding the underlying redox reaction and capacity fading mechanisms to circumvent these problems and improve the overall battery performance. In this talk, I will mainly talk about the application in-situ/operando X-ray absorption spectroscopy for understanding the electrochemical reaction mechanism of electrode materials of various rechargeable batteries under real operation conditions, which is an imperative prerequisite for the further optimization of the battery performance.  

  1. Yan et al., Deciphering the Reaction Mechanism of Lithium–Sulfur Batteries by In Situ/Operando Synchrotron-Based Characterization Techniques, Adv. Energy Mater., 2019, 1900148, https://doi.org/10.1002/aenm.201900148
  2. Lin et al., Synchrotron X‑ray Analytical Techniques for Studying Materials Electrochemistry in Rechargeable Batteries, Chem. Rev., 2017, 117, 13123, https://doi.org/10.1021/acs.chemrev.7b00007
  3. Zhu et al., In Situ Probing Multiple-Scale Structures of Energy Materials for Li-Ion Batteries, Small Methods, 2019, 1900223, https://doi.org/10.1002/smtd.201900223




8:00 am - 5:00 pm