Journal
CARBON
Volume 53, Issue -, Pages 245-251Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.10.055
Keywords
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Funding
- National Natural Science Foundation of China [20890022, 21075021, 21175029]
- Shanghai Leading Academic Discipline Project [B109]
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We demonstrate that single graphene sheets can be easily synthesized in large amounts by using zeolite Ni-MCM-22 as a catalyst and template. The graphene has a large surface area, high conductivity, and controllable two-dimensional sizes. Its use in supercapacitor electrode materials reveals excellent electrochemical double layer capacitance and galvanostatic charge/discharge properties with specific capacitances of 233 F/g in aqueous KOH. (c) 2012 Elsevier Ltd. All rights reserved.
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