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http://dx.doi.org/10.12925/jkocs.2017.34.2.280

Preparation of flexible energy storage device based on reduced graphene oxide (rGO)/conductive polymer composite  

Jeong, Hyeon Taek (Division of Energy and Environmental Engineering, Daejin University)
Cho, Jae Bong (Division of Energy and Environmental Engineering, Daejin University)
Kim, Jang Hun (Division of Energy and Environmental Engineering, Daejin University)
Kim, Yong Ryeol (Division of Energy and Environmental Engineering, Daejin University)
Publication Information
Journal of the Korean Applied Science and Technology / v.34, no.2, 2017 , pp. 280-288 More about this Journal
Abstract
Nanocarbon base materials such as, graphene and graphene hybrid with high electrochemical performances have great deal of attention to investigate flexible, stretchable display and wearable electronics in order to develop portable and high efficient energy storage devices. Battery, fuel cell and supercapacitor are able to achieve those properties for flexible, stretchable and wearable electronics, especially the supercapacitor is a promise energy storage device due to their remarkable properties including high power and energy density, environment friendly, fast charge-discharge and high stability. In this study, we have fabricated flexible supercapacitor composed of graphene/conductive polymer composite which could improve its electrochemical performance. As a result, specific capacitance value of the flexible supercapacitor (unbent) was $198.5F\;g^{-1}$ which decreased to $128.3F\;g^{-1}$ (65% retention) after $500^{th}$ bending cycle.
Keywords
nanocarbon base materials; graphene; graphene hybrid; flexible supercapacitor; geaphene/conductive polymer composite;
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