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个人简介
Our aim is to understand the fundamental properties that determine the performance of electrocatalysts for particular processes and to build a bridge between fundamental research and realistic applications.
Our research includes the following areas:
Development of concepts for catalyst synthesis based on colloidal methods. Our synthesis concept which we developed in collaboration with S. Kunz from Bremen is labelled Co4Cat - Colloids for Catalysts: Superior Catalysts Solutions. We have the following equipment available for catalyst synthesis: microwave reactor, Schlenk line, rotational evaporator, oil bath, several ovens, ultrasonic equipment (bath and tip), ultraturrax homogenizer, XRD-Mill, pH sensor, dynamic light scattering and zeta potential analyzer, glove box as well as standard equipment such as scales etc.
Development of experimental methods and strategies for a reliable electrocatalyst evaluation. We developed the following methods/techniques in our group: Identical location electron microscopy (IL-TEM), experimental procedures for thin film RDE measurements, pressurized RDE setups, gas diffusion electrode setups (GDE), in-situ ATR-FTIR spectroscopy applying finger electrodes. In addition to these developments we use ex-situ and in-situ XAS, in-situ Raman and SHINERS, small angle X-ray scattering (in collaboration), in-situ AFM and STM, high resolution electron microscopy as well as other standard catalyst characterization techniques.
Performance evaluation of model and applied electrocatalysts with respect to activity, selectivity, and stability. We are in particular interested how cooperative effects between support and particles (i.e. metal loading, particle distribution, particle location, etc.) influence the performance.
研究兴趣
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Journal of Catalysis (2024): 115209-115209
Baiyu Wang,Nicolas Schlegel,Olivia Aalling-Frederiksen,Etienne Berner,Damin Zhang, Rebecca K. Pittkowski,Kirsten M. O. Jensen,Matthias Arenz
ACS APPLIED NANO MATERIALSno. 11 (2024): 12345-12355
Chimiano. 5 (2024): 344-348
ChemSusChempp.e202400303-e202400303, (2024)
Julia Melke,Annabelle Maletzko, Eduardo Daniel Gomez Villa,Aline Bornet,Gustav K. H. Wiberg,Matthias Arenz, Lesia Sandig-Predzymirska, Alexandra Thiere,Alexandros Charitos,Michael Stelter, Zhangqi Wang,Simon Pitscheider,
CHEMIE INGENIEUR TECHNIKno. 1-2 (2024): 126-142
Advanced Energy and Sustainability Research (2024)
ChemSusChempp.e202400303-e202400303, (2024)
A. Maletzko, E. D. Gomez Villa, B. Kintzel, H. Fietzek,G. Schmidt,J. Christen,P. Veit, P. Kuehne,Aline Bornet,Matthias Arenz,J. Melke
JOURNAL OF THE ELECTROCHEMICAL SOCIETYno. 5 (2024)
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