Collaborative Research Center 1333

Molecular Heterogeneous Catalysis
in Confined Geometries

A03 – Urea electrosynthesis using confinement in COFs

Prof. Dr. Bettina V. Lotsch
Prof. Dr. Bettina V. Lotsch
MPI for Solid State Research
Prof. Dr. Elias Klemm
Prof. Dr. Elias Klemm
University of Stuttgart
Prof. Dr. Kristina Tschulik
Prof. Dr. Kristina Tschulik
Ruhr-University Bochum
Amelie Heilmaier
Amelie Heilmaier
MPI for Solid State Research
Yannick Weidemann
Yannick Weidemann
Ruhr University Bochum
Jai Singh
Jai Singh
University of Stuttgart

Exploiting confinement effects for urea electrosynthesis from CO2 and nitrate with covalent organic frameworks

This project will develop single-site covalent organic framework (COF) catalysts for the co-reduction of CO2 and nitrate to urea. By embedding synergistic tandem catalytic sites within the COF backbone, we aim to exploit pore-confinement effects and achieve industrially relevant current densities using gas diffusion electrodes in flow-cell configurations. Performance will be evaluated operando via spectroelectrochemical methods to elucidate confinement mechanisms within the COF pores and quantify electrocatalytic activity.

Research focus in the first funding period (2018-2022):
Covalent organic frameworks as tailored substrates with molecularly defined pores for molecular heterogeneous catalysis.

Research focus in the second funding period (2022-2026): 
Covalent Organic Frameworks (COFs) in electrocatalytic CO2 reductions. Understanding, modeling and controling confinement effects on the electrocatalytic CO2 reduction reaction (CO2RR) in the atomically precise pores of covalent organic frameworks (COFs).