Atomic cobalt on nitrogen-doped graphene for hydrogen generation
Rice University · Chinese Academy of Sciences · +3 more institutions
Abstract
Reduction of water to hydrogen through electrocatalysis holds great promise for clean energy, but its large-scale application relies on the development of inexpensive and efficient catalysts to replace precious platinum catalysts. Here we report an electrocatalyst for hydrogen generation based on very small amounts of cobalt dispersed as individual atoms on nitrogen-doped graphene. This catalyst is robust and highly active in aqueous media with very low overpotentials (30 mV). A variety of analytical techniques and electrochemical measurements suggest that the catalytically active sites are associated with the metal centres coordinated to nitrogen. This unusual atomic constitution of supported metals is…
Citation impact
- FWCI
- 38.75
- Percentile
- 100%
- References
- 45
Authors
14Topics & keywords
- Electrocatalyst
- Graphene
- Cobalt
- Catalysis
- Electrochemistry
- Materials science
- Hydrogen
- Hydrogen production
- Industry, innovation and infrastructure
Funding
- WFWelch FoundationAwards: E-1728, AX-1615, -1615
- NNNational Natural Science Foundation of ChinaAwards: 11475212, G12MD007591
- CSChina Scholarship CouncilAward: FA9550-14-1-0111
- PUPeking University
- NINational Institutes of HealthAwards: AX-1615, G12MD007591
- MUMultidisciplinary University Research InitiativeAward: FA9550-12-1-0035
- NINational Institute on Minority Health and Health DisparitiesAward: G12MD007591
- AFAir Force Office of Scientific ResearchAwards: FA9550-12-1-0035, FA9550-, FA9550-14-1-0111, FA9550, FA9550-12, FA9550-12-1