Identifying the Bifunctional Mechanism in Alkaline Water Electrolysis by Lewis Pairs at the Single-Atom Scale
National University of Singapore · Université Bourgogne Franche-Comté · +3 more institutions
Abstract
The bifunctional mechanism, involving multiactive compositions to simultaneously dissociate water molecules and optimize intermediate adsorption, has been widely used in the design of catalysts to boost water electrolysis for sustainable hydrogen energy production but remains debatable due to difficulties in accurately identifying the reaction process. Here, we proposed the concept of well-defined Lewis pairs in single-atom catalysts, with a unique acid–base nature, to comprehensively understand the exact role of multiactive compositions in an alkaline hydrogen evolution reaction. By facilely adjusting active moieties, the induced synergistic effect between Lewis pairs (M–P/S/Cr pairs, M = Ru, Ir, Pt) can…
Citation impact
- FWCI
- 19.41
- Percentile
- 100%
- References
- 52
Authors
10- HJHongqiang Jin
National University of Singapore, Université Bourgogne Franche-Comté
- XCXiang ChenCorresponding
National University of Singapore, Université Bourgogne Franche-Comté, Anhui University of Technology
- YDYumin Da
National University of Singapore, Université Bourgogne Franche-Comté
- LFLei Fan
National University of Singapore, Université Bourgogne Franche-Comté
- RJRui Jiang
National University of Singapore, Université Bourgogne Franche-Comté
Topics & keywords
- Chemistry
- Bifunctional
- Electrolysis
- Mechanism (biology)
- Scale (ratio)
- Atom (system on chip)
- Inorganic chemistry
- Physical chemistry
- Clean water and sanitation