Efficient and stable noble-metal-free catalyst for acidic water oxidation
Nankai University · Unité Matériaux et Transformations · +10 more institutions
Abstract
Abstract Developing non-noble catalysts with superior activity and durability for oxygen evolution reaction (OER) in acidic media is paramount for hydrogen production from water. Still, challenges remain due to the inadequate activity and stability of the OER catalyst. Here, we report a cost-effective and stable manganese oxybromide (Mn 7.5 O 10 Br 3 ) catalyst exhibiting an excellent OER activity in acidic electrolytes, with an overpotential of as low as 295 ± 5 mV at a current density of 10 mA cm −2 . Mn 7.5 O 10 Br 3 maintains good stability under operating conditions for at least 500 h. In situ Raman spectroscopy, X ray absorption near edge spectroscopy, and density functional theory calculations confirm…
Citation impact
- FWCI
- 11.85
- Percentile
- 100%
- References
- 60
Authors
17- SPSanjiang Pan
Nankai University, Unité Matériaux et Transformations, Collaborative Innovation Center of Chemical Science and Engineering Tianjin
- HLHao Li
Tohoku University, Advanced Institute of Materials Science
- DLDan Liŭ
Northwestern Polytechnical University
- RHRui Huang
Fudan University
- XPXuelei Pan
Wuhan University of Technology
Topics & keywords
- Overpotential
- Catalysis
- Noble metal
- Water splitting
- Oxygen evolution
- Electrolyte
- Inorganic chemistry
- Materials science
- Clean water and sanitation