From LP-EM to Electrochemistry: Towards Observing Degradation of Electrocatalysts During Operation

In this DENSsolutions Stream webinar, we welcome Dr. Andreas Hutzler from the Helmholtz Institute Erlangen-Nürnberg For Renewable Energy in Germany.

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Abstract

Electrochemical energy conversion is crucial for the economic transition to renewable energy sources. However, stability and long-term durability of electrocatalysts remain significant challenges that are currently limiting large-scale applications, such as hydrogen production. This is because noble metals that are utilized as electrocatalysts are extremely scarce and degrade during operation. 

Liquid-phase electron microscopy (LP-EM) presents a unique opportunity to investigate degradation mechanisms in real time, potentially aiding the development of mitigation strategies and new electrode architectures suitable for long-term operation. However, quantitative LP-EM remains a challenge as the influence of electron-liquid interactions on observed phenomena is poorly understood.

In our upcoming Stream webinar, Dr. Andreas Hutzler, Team Leader at Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (part of Research Centre Jülich GmbH), will explore how combining LP-EM with radiolysis modeling can advance the quantitative characterization of materials, particularly in the context of electrocatalysis. Andreas will discuss how understanding the electron-beam-induced radiolysis process can reveal critical degradation mechanisms of energy materials in operation. He will also provide initial insights into the challenges faced when using electrochemical LP-EM for studying these degradation processes in electrocatalysis.

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