Journal
CARBON
Volume 96, Issue -, Pages 864-870Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.10.045
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A novel carbon microspheres composed of N-doped hollow carbon nanospheres was prepared by a newly developed three-step method. Firstly, poly(styrene-co-butyl acrylate)/polypyrrole (PSBA/PPy) latex particles with core shell structure were synthesized by the chemical oxidative polymerization of pyrrole in poly(styrene-co-butyl acrylate) (PSBA) emulsion, then PSBA/PPy core-shell latex was dried by spray drying process. Finally, the dried PSBA/PPy particles were pyrolyzed under nitrogen atmosphere at 500-800 degrees C without activation process. It was found that nitrogen content could reach 7.62 wt% and large amount of micro-, meso- and macro-pores existed in this kind of carbon microsphere. The application of this carbon microsphere in CO2 capture was also explored. (C) 2015 Elsevier Ltd. All rights reserved.
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