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Title: Cobalt monoxide-doped porous graphitic carbon microspheres for supercapacitor application
Authors: Yang, Z.-C.
Tang, C.-H.
Zhang, Y. 
Gong, H. 
Li, X.
Wang, J. 
Issue Date: 2013
Citation: Yang, Z.-C., Tang, C.-H., Zhang, Y., Gong, H., Li, X., Wang, J. (2013). Cobalt monoxide-doped porous graphitic carbon microspheres for supercapacitor application. Scientific Reports 3 : -. ScholarBank@NUS Repository.
Abstract: A novel design and facile synthesis process for carbon based hybrid materials, i.e., cobalt monoxide (CoO)-doped graphitic porous carbon microspheres (Co-GPCMs), have been developed. With the synthesis strategy, the mixture of cobalt gluconate, α-cyclodextrin and poly (ethylene oxide) 106-poly (propylene oxide) 70-poly (ethylene oxide) 106 is treated hydrothermally, followed by pyrolysis in argon. The resultant Co-GPCMs exhibits a porous carbon matrix with localized graphitic structure while CoO nanodots are embedded in the carbon frame. Thus, the Co-GPCMs effectively combine the electric double-layer capacitance and pseudo-capacitance when used as the electrode in supercapacitor, which lead to a higher operation voltage (1.6â€..V) and give rise to a significantly higher energy density. This study provides a new research strategy for electrode materials in high energy density supercapacitors.
Source Title: Scientific Reports
ISSN: 20452322
DOI: 10.1038/srep02925
Appears in Collections:Staff Publications

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