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@article{Wu:2023:10.1002/celc.202300110,
author = {Wu, J and Gong, M and Zhang, W and Mehmood, A and Zhang, J and Ali, G and Kucernak, A},
doi = {10.1002/celc.202300110},
journal = {ChemElectroChem},
title = {Simultaneously incorporating atomically dispersed Co-Nx sites with graphitic carbon layer-wrapped Co9S8 nanoparticles for oxygen reduction in acidic electrolyte},
url = {http://dx.doi.org/10.1002/celc.202300110},
volume = {10},
year = {2023}
}

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TY  - JOUR
AB  - A facile yet robust synthesis is reported herein to simultaneously incorporate atomically dispersed Co-Nx sites with graphitic layer-protected Co9S8 nanoparticles (denoted as Co SACs+Co9S8) as an efficient electrocatalyst for oxygen reduction in acidic solution. The Co SACs+Co9S8 catalyst shows low H2O2 selectivity (∼5 %) with high half-wave potential (E1/2) of ∼0.78VRHE in 0.5M H2SO4. The atomic sites of the catalyst were quantified by a nitrite stripping method and the corresponding site density of the catalyst is calculated to be 3.2×1018sites g−1. Besides, we also found the presence of a reasonable amount of Co9S8 nanoparticles is beneficial for the oxygen electrocatalysis. Finally, the catalyst was assembled into a membrane electrode assembly (MEA) for evaluating its performance under more practical conditions in proton exchange membrane fuel cell (PEMFC) system.
AU  - Wu,J
AU  - Gong,M
AU  - Zhang,W
AU  - Mehmood,A
AU  - Zhang,J
AU  - Ali,G
AU  - Kucernak,A
DO  - 10.1002/celc.202300110
PY  - 2023///
SN  - 2196-0216
TI  - Simultaneously incorporating atomically dispersed Co-Nx sites with graphitic carbon layer-wrapped Co9S8 nanoparticles for oxygen reduction in acidic electrolyte
T2  - ChemElectroChem
UR  - http://dx.doi.org/10.1002/celc.202300110
UR  - https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000986210600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=a2bf6146997ec60c407a63945d4e92bb
UR  - https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/celc.202300110
UR  - http://hdl.handle.net/10044/1/108855
VL  - 10
ER  -

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