Ammonia electrosynthesis from nitrate using a stable amorphous/crystalline dual-phase Cu catalyst
Dalian Institute of Chemical Physics · Chinese Academy of Sciences · +3 more institutions
Abstract
Renewable energy-driven electrocatalytic nitrate reduction reaction presents a low-carbon and sustainable route for ammonia synthesis under mild conditions. Yet, the practical application of this process is currently hindered by unsatisfactory electrocatalytic activity and long-term stability. Herein we achieve high-rate ammonia electrosynthesis using a stable amorphous/crystalline dual-phase Cu catalyst. The ammonia partial current density and formation rate reach 3.33 ± 0.005 A cm−2 and 15.5 ± 0.02 mmol h−1 cm−2 at a low cell voltage of 2.6 ± 0.01 V, respectively. Remarkably, the dual-phase Cu catalyst can maintain stable ammonia production with a Faradaic efficiency of around 90% at a high current density…
Citation impact
- FWCI
- 26.46
- Percentile
- 100%
- References
- 74
Authors
9- YWYi WangCorresponding
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Collaborative Innovation Center of Chemistry for Energy Materials, University of Chinese Academy of Sciences
- SWShuo Wang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Collaborative Innovation Center of Chemistry for Energy Materials
- YFYunfan Fu
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Collaborative Innovation Center of Chemistry for Energy Materials, University of Chinese Academy of Sciences
- JSJiaqi Sang
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Collaborative Innovation Center of Chemistry for Energy Materials, University of Chinese Academy of Sciences
- PWPengfei Wei
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Collaborative Innovation Center of Chemistry for Energy Materials
Topics & keywords
- Electrosynthesis
- Catalysis
- Ammonia
- Ammonia production
- Nitrate
- Phase (matter)
- Dual (grammatical number)
- Amorphous solid