Journal
DALTON TRANSACTIONS
Volume 45, Issue 23, Pages 9582-9589Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt05040e
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Funding
- National Natural Science Foundation of China [21371149, 21101134]
- Research Fund for the Doctoral Program of Higher Education of China [20131333110010]
- Natural Science Foundation of Hebei [14961107D]
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Nitrogen and sulfur co-doped monodisperse carbon microspheres (NS-CMSs) have been successfully synthesized as a new kind of outstanding metal-free ORR catalyst through a one-pot solvothermal reaction. The as-synthesized heteroatom-doped CMSs have been systematically characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS) and by using Raman spectra and nitrogen adsorption and desorption isotherms. Compared with the commercially available 20 wt% Pt/C catalyst, the as-prepared NS-CMSs showed a much better tolerance toward methanol crossover and long-term operation stability for ORR in an alkaline medium.
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