A5053505312- CO2 Reduction Techniques and Catalysts
- Ionic liquids properties and applications
- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- Electrochemical Analysis and Applications
- Catalysis and Oxidation Reactions
- Machine Learning in Materials Science
- Chemical Looping and Thermochemical Processes
- Electron and X-Ray Spectroscopy Techniques
- Advanced battery technologies research
- Photovoltaic Systems and Sustainability
- Advanced Thermoelectric Materials and Devices
- Carbon dioxide utilization in catalysis
- Carbon Dioxide Capture Technologies
Paul Scherrer Institute
2023-2025
Delft University of Technology
2024
University of Copenhagen
2024
Shanghai University
2024
University of California, Los Angeles
2021-2022
Abstract Decoupling and understanding the various mass, charge, heat transport phenomena involved in electrocatalytic transformation of small molecules (i.e., CO 2 , CO, H N NH 3 O CH 4 ) is challenging but it can be readily achieved using dimensionless quantities Reynolds, Sherwood, Schmidt, Damköhler, Nusselt, Prandtl, Peclet Numbers) to simplify characterization systems with multiple interacting physical phenomena. Herein we report development a gastight rotating cylinder electrode cell...
The utilization of renewable electrons to capture and valorize CO 2 will be a critical component in achieving net zero emission society. deployment electrochemically driven technologies depend on whether they can operate efficiently economically at scale. We have proposed an anion exchange membrane-based device regenerate the alkalinity carbonate solution while simultaneously concentrating H stream. To improve technology readiness, we reduced overpotentials cell increased operating current...
Despite its increased relevance for the ongoing energy transition, CO2-reduction reaction (CO2RR) continues to be poorly understood, particularly in context of how kinetics and product outcome are affected by surface-specific parameters such as interfacial pH. The latter has received attention lately, with numerous studies reporting impact on distribution CO2-electroreduction but failing quantify it reliably due defined mass transport properties electrochemical cells which most those were...
Decoupling and understanding the various mass, charge heat transport phenomena involved in electrocatalytic transformation of small molecules (i.e. CO2, CO, H2, N2, NH3, O2, CH4) is challenging but it can be readily achieved using dimensionless quantities Reynolds, Sherwood, Schmidt, Damköhler, Nusselt, Prandtl, Peclet Numbers) to simplify characterization systems with multiple interacting physical phenomena. Herein we report development a gastight rotating cylinder electrode cell...
Abstract The electrochemical conversion of CO 2 into the base chemical acetaldehyde offers a sustainable and green alternative to Wacker process. However, current electrocatalysts cannot effectively compete with heterogeneous processes due their limited selectivity towards acetaldehyde, resulting in low energy efficiencies. Herein, we report theory-guided synthesis series Cu(-Ag) oxide cluster catalysts (~ 1.5 nm) immobilized on various hetero-atom doped carbonaceous supports, produced via...
X-ray absorption spectroscopy (XAS) is a powerful technique that provides information about the electronic and local geometric structural properties of newly developed electrocatalysts, especially when it performed under operating conditions (i.e.,
As global warming takes place at an unprecedented pace, it becomes increasingly important to develop negative emission (i.e., CO 2 -depleting) technologies achieve the hoped-for net-zero target in 2050. The electrochemical -reduction reaction (CO RR) carbon monoxide (CO) or formate is expected be economically viable approach close cycle while reducing greenhouse gas emissions. [1] In this context, palladium (Pd) has been identified as interesting RR-catalyst owing its ability selectively...
To drive the further development of electrochemical CO 2 reduction technologies, there is an urgent need for highly active catalysts that minimize unwanted side reactions and also possess a large specific surface area. While nanostructured typically fulfill latter requirement, they often use porous carbon supports improve nanoparticles’ dispersion but can shift product selectivity towards undesirable H formation. [1] This challenge could be solved by using unsupported aerogels consisting...
X-ray absorption spectroscopy (XAS) is a powerful technique that can provide element specific information on the local electronic and structural properties of newly developed electrocatalysts, especially when performed under operating conditions (i.e., operando ). However, large amounts catalyst typically needed to achieve sufficiently high spectral quality temporal resolution result in working electrodes several micrometers thickness. This turn lead an inhomogeneous potential distribution...