Journal
VACUUM
Volume 87, Issue -, Pages 164-168Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2012.04.027
Keywords
Electric double layer capacitor; Carbon nanotube; Nickel oxide; Thermal chemical vapor deposition; Plasma treatment
Funding
- National Science Council of Taiwan [NSC-99-2221-E-011-072]
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Nickel oxide (NiO) nano-structures were synthesized on random carbon nanotubes (CNTs) growing on a carbon cloth substrate processed using vacuum annealing and oxygen plasma treatment for the electric double layer capacitor electrode application (EDLC). From the electrochemical measurement analytical results the NiO nano-structure/CNT composite electrode with carbon cloth substrate exhibits low internal resistance features. The specific NiO/CNTs/carbon cloth electrode capacitance can reach up to 162.41 F/g in contrast with 53.75 F/g for the CNTs/carbon cloth electrode in 1 M KOH solution. These results indicate that NiO nano-structures formed onto CNTs/carbon cloth electrodes are suitable materials for EDLC applications. (C) 2012 Elsevier Ltd. All rights reserved.
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