Atomically Dispersed Binary Co‐Ni Sites in Nitrogen‐Doped Hollow Carbon Nanocubes for Reversible Oxygen Reduction and Evolution
Tianjin University of Technology · Tianjin University · +2 more institutions
Abstract
With the inspiration of developing bifunctional electrode materials for reversible oxygen electrocatalysis, one strategy of heteroatom doping is proposed to fabricate dual metal single-atom catalysts. However, the identification and mechanism functions of polynary single-atom structures remain elusive. Atomically dispersed binary Co-Ni sites embedded in N-doped hollow carbon nanocubes (denoted as CoNi-SAs/NC) are synthesized via proposed pyrolysis of dopamine-coated metal-organic frameworks. The atomically isolated bimetallic configuration in CoNi-SAs/NC is identified by combining microscopic and spectroscopic techniques. When employing as oxygen electrocatalysts in alkaline medium, the resultant CoNi-SAs/NC…
Citation impact
- FWCI
- 24.37
- Percentile
- 100%
- References
- 70
Authors
10- XHXiaopeng Han
Tianjin University of Technology, Tianjin University
- XLXiaofei Ling
Tianjin University of Technology, Tianjin University
- DYDeshuang Yu
Nanjing University of Aeronautics and Astronautics
- DXDengyu Xie
Nanjing University of Aeronautics and Astronautics
- LLLinlin Li
Nanjing University of Aeronautics and Astronautics
Topics & keywords
- Electrocatalyst
- Overpotential
- Bifunctional
- Materials science
- Oxygen evolution
- Catalysis
- Bimetallic strip
- Heteroatom