NDLI: Characterization and electrochemical performance of activated carbon spheres prepared from potato starch by CO$

Content Provider	Springer Nature Link
Author	Zhao, Shuo Xiang, Jun Wang, Cheng Yang Chen, Ming Ming
Copyright Year	2012
Abstract	Potato starch-based activated carbon spheres (PCS) were prepared by CO$_{2}$ activation in this paper. The morphology of PCS was examined by scanning electron microscopy. Effects of activation temperature and time on characteristics of PCS were studied by N$_{2}$ adsorption method, and the effect of pore structure of PCS on its electrochemical performances was studied by galvanostatic charge–discharge and cyclic voltammetry. The results indicate that PCS is hollow and retain the morphology of potato starch granule. Activation time has a more important effect on the formation and widening of micropores, the ratios of mesopore reaches 41% when activation time is prolonged to 120 min at 900 °C. Electrochemical test indicates good wetting property and conductivity of electrode material are beneficial to high specific capacitance, and mesopores play an important role in the fast transfer of electrolyte ions.
Starting Page	15
Ending Page	20
Page Count	6
File Format	PDF
ISSN	13802224
Journal	Journal of Porous Materials
Volume Number	20
Issue Number	1
e-ISSN	15734854
Language	English
Publisher	Springer US
Publisher Date	2012-02-17
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Potato starch-based activated carbon spheres CO$_{2}$ activation Hollow N$_{2}$ adsorption isotherm electrochemical performance Catalysis Characterization and Evaluation of Materials Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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