期刊
NATURE ENERGY
卷 6, 期 7, 页码 700-705出版社
NATURE RESEARCH
DOI: 10.1038/s41560-021-00827-4
关键词
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资金
- National Science Foundation [CHE-1764399]
- Air Force Office of Scientific Research [FA9550-18-1-0420, FA9550-18-1-0134]
Theoretical modelling is crucial for understanding processes such as water splitting through heterogeneous electrocatalysis. Making specific choices in terms of atomistic structural model, theory level, and experimental data is necessary for successfully studying these systems. Continuous feedback between experiment and theory enhances the power of calculations to elucidate mechanisms and design principles.
Theoretical modelling is essential to deepen our understanding of heterogeneous electrocatalytic energy conversion processes, such as water splitting. Here, Sharon Hammes-Schiffer and Giulia Galli offer their perspectives on the best strategies for successfully studying such systems. Heterogeneous electrocatalysis is critical to many energy conversion processes. Theoretical and computational approaches are essential to interpret experimental data and provide the mechanistic understanding necessary to design more effective catalysts. However, automated general procedures to build predictive theoretical and computational frameworks are not readily available; specific choices must be made in terms of the atomistic structural model and the level of theory, as well as the experimental data used to inform and validate these choices. Here we outline some best practices for modelling heterogeneous systems and present examples in the context of catalysis at metal electrodes and oxides. The level of theory should be chosen for the specific system and properties of interest, and experimental validation is essential from the beginning to the end of the study. Continuous feedback and ultimate integration between experiment and theory enhances the power of calculations to elucidate mechanisms, identify effective descriptors and clarify design principles.
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