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@INPROCEEDINGS{Basak:1050786,
      author       = {Basak, Shibabrata and Chakraborty, Pritam and Park, Junbeom
                      and Jodat, Eva and Karl, André and Eichel, Rüdiger-A.},
      title        = {{V}isualizing {E}lectrochemical {P}rocesses in {E}nergy
                      {M}aterials using {M}ultimodal {I}n-situ {E}lectron
                      {M}icroscopy {A}pproach},
      reportid     = {FZJ-2026-00509},
      year         = {2025},
      abstract     = {The development of next-generation electrochemical storage
                      and conversion devices with betterperformance and longevity
                      requires understanding the electrochemical processes at the
                      nanoscale.Our group specializes in utilizing in-situ
                      electron microscopy in a multimodal approach to unravelthe
                      dynamic processes governing the performance of energy
                      materials, such as batteries, solidoxide fuel cells, and
                      electrolyzers. This presentation highlights our in-situ
                      electron microscopycapabilities, including gas and liquid
                      phase experiments, to understand dynamics at
                      solid-solid,solid-gas, and solid-liquid interfaces.Focusing
                      on solid-solid interfaces, we examine
                      lithiation/delithiation dynamics incoated and uncoated
                      silicon particles. These insights help in understanding
                      processes inall-solid-state batteries, and developing a
                      screening method to screen coating materials
                      andunderstanding their desired architecture.We study
                      gas-solid interactions to understand catalyst and fuel
                      electrode behavior underoperational conditions. These
                      studies provide insights into catalyst exsolution
                      mechanismsin solid oxide cell electrodes as well as the
                      behavior of catalysts during CO2 conversionreactions.
                      Coupled with focused ion beam – scanning electron
                      microscopy (FIB-SEM)tomography, these findings help us
                      understand long-term operational impacts on materialsand
                      provide insights into designing next-generation
                      electrodes.We are pioneering in-situ liquid phase TEM
                      studies to understand solid-liquid interactions during
                      electrochemical processes. We have developed a novel
                      liquidpurging method that enables high-resolution imaging
                      and analytical studies within a liquidflow cell. This method
                      allows for dynamic control of liquid thickness, enabling the
                      studyof electrochemical processes under realistic
                      conditions. We are utilizing this to study zincbattery
                      dynamics to develop better charge-discharge routines and
                      suitable electrolyteadditives to improve battery
                      performance.Live processing of in-situ data can help in
                      interpreting electrochemical phenomena inmuch more depth.
                      Focused on this, we are developing processing routes to
                      obtain fastinterpretation of the generated images and
                      diffraction datasets. We are currently striving tocouple
                      theoretical predictions into live processing and are working
                      towards automatinginstruments, allowing for longer duration
                      experiments, increased throughput, and
                      improvedreproducibility.},
      month         = {Jul},
      date          = {2025-07-02},
      organization  = {From operando electron microscopy
                       images to atomistic models: Machine
                       Learning assisted analysis in the age
                       of big data, Berlin (Germany), 2 Jul
                       2025 - 4 Jul 2025},
      subtyp        = {Invited},
      cin          = {IET-1},
      cid          = {I:(DE-Juel1)IET-1-20110218},
      pnm          = {1231 - Electrochemistry for Hydrogen (POF4-123) / 1223 -
                      Batteries in Application (POF4-122) / HITEC - Helmholtz
                      Interdisciplinary Doctoral Training in Energy and Climate
                      Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF4-1231 / G:(DE-HGF)POF4-1223 /
                      G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1050786},
}