Journal
CARBON
Volume 50, Issue 10, Pages 3482-3485Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.03.014
Keywords
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Funding
- NSF [DMR-0907324]
- Institute for Advanced Technology
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0907324] Funding Source: National Science Foundation
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Activation parameters such as temperature and the amount of potassium hydroxide (KOH) were varied during the synthesis of activated microwave-exfoliated graphite oxide (a-MEGO) and the effects of these parameters on the specific surface area of a-MEGO and electrochemical capacitance of a-MEGO electrodes were investigated. At 800 degrees C and a KOH/MEGO mass ratio of 6.5, a maximum specific surface area of 3100 m(2)/g was obtained and a high specific capacitance of 172 F/g (at 1 A/g constant current and 3.5 V maximal voltage) was measured in a two-electrode cell with a-MEGO electrodes in an organic electrolyte. (C) 2012 Elsevier Ltd. All rights reserved.
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