Colloque - La nanofluidique à la croisée des chemins : Electrode/Electrolyte Interfaces: from Electronic Response to Interfacial Structure, Dynamics and Thermodynamics Using Classical Molecular Dynamics Simulations

Innovation technologique Liliane Bettencourt (2022-2023) - Lydéric BocquetCollège de FranceAnnée 2022-2023Colloque - La nanofluidique à la croisée des chemins : Electrode/Electrolyte Interfaces: from Electronic Response to Interfacial Structure, Dynamics and Thermodynamics Using Classical Molecular Dynamics SimulationsMany key industrial processes, from electricity production, conversion, and storage to electrocatalysis or electrochemistry in general, rely on physical mechanisms occurring at the interface between a metallic electrode and an electrolyte solution, summarized by the concept of an electric double layer, with the accumulation/depletion of electrons on the metal side and of ions on the liquid side. While electrostatic interactions play an essential role in the structure, thermodynamics, dynamics, and reactivity of electrode-electrolyte interfaces, these properties also crucially depend on the nature of the ions and solvent, as well as that of the metal itself. Such interfaces pose many challenges for modeling because they are a place where quantum chemistry meets statistical physics. I will review recent advances in the description and understanding of electrode-electrolyte interfaces with classical molecular simulations, and discuss in particular how to include some features of the electronic response in such simulations and their consequences on the interfacial properties.Benjamin RotenbergBenjamin Rotenberg is a CNRS senior researcher at Sorbonne University. He graduated in Chemistry from ENS in 2004 and received his Ph.D. in 2007 from Université Pierre et Marie Curie. He then joined the FOM Institute for Atomic and Molecular Physics (Amsterdam) as a postdoctoral fellow before starting at CNRS in 2008. He was a visiting professor at the Universities of Barcelona, Berkeley and Freiburg, as well as in the Helmholtz Zentrum Berlin. His research focuses on multiscale modeling of charged interfaces, in particular in the fields of energy and the environment, and he develops new methods for numerical simulations.

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