Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 496, Issue -, Pages 35-43Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2016.10.080
Keywords
Interface self-assembly; Bowl-like morphology; Porous carbon; Preparation; Electrocapacitive performance
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Funding
- Key Technologies R&D Program of Shaanxi Province [2014K10-06, 2015XT-18]
- National Science Foundation Committee of China [51373092, 21543012]
- Specialized Research Fund for the Doctoral Program of Higher Education [20130202120010]
- Fundamental Research Funds for the Central Universities [GK201503038, GK201501002]
- Program for Key Science & Technology Innovation Team of Shaanxi Province [2015KCT-13]
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Bowl-like monodispersed porous carbon nanoparticles (BMPCNs) have been successfully prepared with a facile and scalable approach, and the as-prepared BMPCNs are examined thoroughly by various physical characterizations. Physical measurements display that BMPCNs have the high surface area (1255 m(2) g(-1)), hierarchical porosity, a certain amount of oxygen-containing groups and high graphitization degree. These unique structure features endow BMPCNs with a high capacitance (281 F g(-1) at 0.5 A g(-1)), excellent rate capability (209 F g(-1) at 50 A g(-1)), and outstanding cycling stability (94.8% capacity retention after 10,000 cycles at 10 A g(-1)) in electrochemical double-layer capacitors, suggesting its promising applications in field of energy conversion and storage. Further, the studies on formation mechanism of BMPCNs suggest that, the CTAB wormlike micelles assembling with silica/resorcinol-formaldehyde oligomers at the interface of tetraethyl orthosilicate droplets under Stober condition determines the morphology of BMPCNs. (C) 2016 Published by Elsevier Inc.
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