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Transforming Pristine Carbon Fiber Tows into High Performance Solid‐State Fiber Supercapacitors
Author(s) -
Yu Dingshan,
Zhai Shengli,
Jiang Wenchao,
Goh Kunli,
Wei Li,
Chen Xudong,
Jiang Rongrong,
Chen Yuan
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201501948
Subject(s) - materials science , supercapacitor , capacitance , fiber , power density , horizontal scan rate , electrode , solid state , composite material , power (physics) , electrochemistry , cyclic voltammetry , engineering physics , engineering , physics , quantum mechanics , chemistry
A facile activation strategy can transform pristine carbon fiber tows into high‐performance fiber electrodes with a specific capacitance of 14.2 F cm −3 . The knottable fiber supercapacitor shows an energy density of 0.35 mW h cm −3 , an ultrahigh power density of 3000 mW cm −3 , and a remarkable capacitance retention of 68%, when the scan rate increases from 10 to 1000 mV s −1 .
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