Symposium am 04.03.2021

Den Auftakt bildete im März das digitale Symposium zum Thema “Vertrauen in Zukunftstechnologien”.

Vortrag am 30.03.2021

Dr. Kristina Tschulik, Ruhr-Universität Bochum (RUB)

Advances Electrochemical Approaches for Nanomaterial Characterization and Renewable Energy Technologies

Over the past two decades, electrochemistry has undergone a remarkable renaissance in the perception of many scientists. From a supposedly exhaustively srtudied discipline, it transformed into modern and versatile toolbox for basic physicochemical studies, smart bio- and nanoparticle sensors, environmentally friendly synthesis approaches, and renewable energy technologies.

This transformation has been driven primarily by the goal of sustainable conversion and storage of energy from renewable energy sources and non-fossil fuels, as almost all technologies discussed for this purpose are based on electrochemical processes: Batteries, supercapacitors, photovoltaic cells, water electrolyzers, fuel cells, etc. Since electrochemical reactions always occur at an electrode, the transport of reactants and products to and from the electrode play a significant role in addition to reaction kinetics, which complicates quantitative understanding. Nanomaterials are often used to achieve large surface areas and high reaction rates. Their reactivity and degradation are insufficiently described by traditional electrochemical concepts. This inhibits the characterization - and thus the targeted further development - of nanocatalysts, as well as active materials and requires the development of novel electrochemical methods. Such new electrochemical methods for the determination of intrinsic nanomaterial properties and reactivities will be discussed in the talk. Besides fundamental research aspects, also perspectives to utilize electrochemical methods in sensing will be highlighted.

Contact at BAM: Dr.-Ing. Anja Waske, Anja.Waske[at]bam.de