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Song, Hyun-Kon
eclat: ElectroChemistry Lab of Advanced Technology
Research Interests
  • Electrochemical analysis, electroactive materials, electrochemistry-based energy devices

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Hierarchically Structured Multidimensional Carbon Composite Anchored to a Polymer Mat for a Superflexible Supercapacitor

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Title
Hierarchically Structured Multidimensional Carbon Composite Anchored to a Polymer Mat for a Superflexible Supercapacitor
Author
Lee, YeongdaeKawk, Myung-JunHwang, ChihyunAn, CheolwonSong, Woo-JinSong, GyujinKim, SeheePark, SoojinJang, Ji-HyunSong, Hyun-Kon
Issue Date
2019-01
Publisher
AMER CHEMICAL SOC
Citation
ACS APPLIED ENERGY MATERIALS, v.2, no.1, pp.389 - 397
Abstract
A carbon electrode was designed to guarantee flexibility of symmetric electric double layer capacitors (EDLCs) based on its architecture. Three different dimensional carbon materials were combined to achieve the flexibility without sacrificing high performances: highly capacitive but poorly conductive three-dimensional graphene (3D-Gn*) as a platform for electric double layer formation, one-dimensional carbon nanotube (1D-CNT) as an electrically conductive highway, and two-dimensional graphene (2D-Gn) for facilitating electron communications between 3D-Gn* and 1D-CNT. From a mechanical standpoint, the 1D-CNT provided an intertangled framework to integrate the main active material 3D-Gn* and anchored the active layer to a flexible polymer matrix. Resultantly, the symmetric EDLC based on the hierarchically structured multidimensional carbon electrodes anchored to flexible substrates was operated successfully at 3 V, ensuring high energy densities even under repetitive mechanical stress conditions.
URI
https://scholarworks.unist.ac.kr/handle/201301/25651
URL
https://pubs.acs.org/doi/10.1021/acsaem.8b01417
DOI
10.1021/acsaem.8b01417
ISSN
2574-0962
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