Operando Infrared Spectroscopy to Probe Electrolyte-Electrode Interface of New Generation Batteries
Yu Katayama a
a Osaka University, SANKEN (The Institute of Scientific and Industrial Research), Mihogaoka, Ibaraki 567-0047, Osaka, Japan
Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
New Generation Batteries, operando Characterization techniques and advanced Manufacturing - #NewGenBatt
Sevilla, Spain, 2025 March 3rd - 7th
Organizers: Maria Crespo and Pedro López-Aranguren
Invited Speaker, Yu Katayama, presentation 324
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.324
Publication date: 16th December 2024

      Understanding the electrolyte-electrode interface under realistic operating conditions is critical to designing new-generation battery materials. The past few decades of research have focused on developing a range of spectroscopic and imagining tools to enable the study of the chemical and structural changes at the electrolyte-electrode interface. Here, we introduce operando surface-enhanced infrared absorption spectroscopy (SEIRAS), a promising lab-based tool for gaining a molecular-level understanding of interfacial electrochemical processes.

      This talk will bring the most recent understanding of the electrochemical interface during the operation of energy storage applications using operando SEIRAS. We will highlight how the holistic information about the nature of the electrolyte-electrode interface can provide additional knobs to tune the battery performance, leading to further improvements in efficiency and stability for energy applications. Furthermore, fundamentals and experimental tips for operando SEIRAS will also be explained, which is essential for those interested in introducing operandoSEIRAS to probe your electrochemical system, especially battery applications.

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