Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 71, Issue -, Pages 220-227Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.11.028
Keywords
Polyaniline; Carbon fiber; Fiber-shaped supercapacitor; Roll-type assembly
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Republic of Korea [2012R1A6A1029029, 2014M3A7B4052201, 2018R1A2B6009208]
- National Research Foundation of Korea [2018R1A2B6009208] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A fiber-shaped supercapacitor (FSC) with a unique roll-type configuration is developed by simply rolling polyaniline-coated carbon fiber bundle electrodes with an H2SO4/polyvinyl alcohol gel electrolyte. The roll-type polyaniline-coated carbon fibers FSC exhibits four times higher capacitance retention than the twist-type fiber-shaped supercapacitor and shows an energy density of 2.97 Wh kg(-1) at a power density of 4kW kg(-1), which is almost three orders of magnitude higher than that of the twist-type FSC (0.004 Wh kg(-1)). The enhanced performance of the roll-type FSC is attributable to its unique roll-type configuration, which creates a short and consistent distance between the electrodes. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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