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Supercapacitors: Microscopically Buckled and Macroscopically Coiled Fibers for Ultra‐Stretchable Supercapacitors (Adv. Energy Mater. 6/2017)
Author(s) -
Choi Changsoon,
Kim Ji Hwan,
Sim Hyun Jun,
Di Jiangtao,
Baughman Ray H.,
Kim Seon Jeong
Publication year - 2017
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201770029
Subject(s) - supercapacitor , materials science , composite material , pseudoelasticity , capacitance , electrode , nanotechnology , microstructure , chemistry , martensite
In article number 1602021, Seon Jeong Kim and co‐workers introduce ultra‐stretchable supercapacitors. Macroscopically coiled and microscopically buckled fiber electrodes provide superelasticity up to 800% in tensile direction. Pseudocapacitive MnO 2 coated, solid‐state, buckled coil supercapacitors provide high linear, areal capacitances (4.8 mF cm −1 and 22.8 mF cm −2 ). The capacitances of the supercapacitors decrease by less than 7.4% and 7% when stretched by 600% statically and dynamically, respectively.
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