First-Principles-Based Kinetic Monte Carlo Model of Hydrogen Evolution Reaction under Realistic Conditions: Solvent, Hydrogen Coverage and Electric Field Effects

Y Luo, Y Guan, G Liu, Y Wang, J Li… - ACS …, 2024 - ACS Publications
The hydrogen evolution reaction (HER) plays an important role in electrocatalytic water
splitting. Despite the progress on the development of HER catalysts, the dynamic evolution …

Estimating free energy barriers for heterogeneous catalytic reactions with machine learning potentials and umbrella integration

S Stocker, H Jung, G Csányi… - Journal of Chemical …, 2023 - ACS Publications
Predicting the rate constants of elementary reaction steps is key for the computational
modeling of catalytic processes. Within transition state theory (TST), this requires an …

Catlas: an automated framework for catalyst discovery demonstrated for direct syngas conversion

B Wander, K Broderick, ZW Ulissi - Catalysis Science & Technology, 2022 - pubs.rsc.org
Catalyst discovery is paramount to support access to energy and key chemical feedstocks in
a post fossil fuel era. Exhaustive computational searches of large material design spaces …

Essential role of CO coverage in CO 2 hydrogenation over Pt (111)

Y Xi, T Wang, J Wang, J Li, F Li - Catalysis Science & Technology, 2023 - pubs.rsc.org
Hydrogenation of CO2 to ethanol is a promising process among various CO2 valorization
processes. However, this process is challenging due to the difficulty of steering the …

Key Role of CO Coverage for Chain Growth in Co-Based Fischer–Tropsch Synthesis

KT Rommens, GTKK Gunasooriya, M Saeys - ACS Catalysis, 2024 - ACS Publications
Fischer–Tropsch synthesis converts CO and H2 to long-chain hydrocarbons. The reaction
mechanism, a combination of C–O scission, C–C coupling, and hydrogenation steps, and …

Incorporating Coverage-Dependent Reaction Barriers into First-Principles-Based Microkinetic Models: Approaches and Challenges

MA Nolen, CA Farberow, S Kwon - ACS Catalysis, 2024 - ACS Publications
Mean-field microkinetic models (MKMs) are appealing for their relatively facile construction,
computational tractability, and high-throughput catalyst screening capabilities. As such, they …

Understanding the role of supported Rh atoms and clusters during hydroformylation and CO hydrogenation reactions with in situ/operando XAS and DRIFT …

BB Sarma, D Neukum, DE Doronkin, ARL Nilayam… - Chemical …, 2024 - pubs.rsc.org
Supported Rh single-atoms and clusters on CeO2, MgO, and ZrO2 were investigated as
catalysts for hydroformylation of ethylene to propionaldehyde and CO hydrogenation to …

Microkinetic Model Fitted with a Genetic Algorithm to Experimental XPS Coverages at High Pressure–CO Hydrogenation on Rh (111)

M Valter-Lithander, M Kauppinen… - The Journal of …, 2024 - ACS Publications
Comparisons to experiments are important when developing kinetic models based on
density functional theory (DFT) calculations. The comparisons are, however, often …

Controlling neural network extrapolation enables efficient and comprehensive sampling of coverage effects in catalysis

D Schwalbe-Koda, N Govindarajan, J Varley - 2023 - chemrxiv.org
Sampling high-coverage configurations and predicting adsorbate-adsorbate interactions on
surfaces are highly relevant to understand realistic interfaces in heterogeneous catalysis …

Computational Insights into Alloying and Confinement Effects on Promoted Activity and Selectivity of C2 Oxygenate over Rh-Based Catalysts

G Qin, C Guo, X Fu, J Long, H Jing, H Li… - The Journal of Physical …, 2023 - ACS Publications
Improving both activity and selectivity of C2 oxygenate (C2-oxy) over Rh catalysts is
challenging. Experimental results have shown that the C2-oxy yield over pure Rh catalysts …