Controlled design of a robust hierarchically porous and hollow carbon fiber textile for high-performance freestanding electrodes

Li, Quanxiang, Wang, Jiemin, Liu, Chao, Fakhrhoseini, Seyed Mousa, Liu, Dan, Zhang, Liangzhu, Lei, Weiwei and Naebe, Minoo 2019, Controlled design of a robust hierarchically porous and hollow carbon fiber textile for high-performance freestanding electrodes, Advanced science, doi: 10.1002/advs.201900762.

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Title Controlled design of a robust hierarchically porous and hollow carbon fiber textile for high-performance freestanding electrodes
Author(s) Li, QuanxiangORCID iD for Li, Quanxiang orcid.org/0000-0002-0190-1930
Wang, Jiemin
Liu, Chao
Fakhrhoseini, Seyed MousaORCID iD for Fakhrhoseini, Seyed Mousa orcid.org/0000-0001-9145-1744
Liu, DanORCID iD for Liu, Dan orcid.org/0000-0001-6875-419X
Zhang, Liangzhu
Lei, WeiweiORCID iD for Lei, Weiwei orcid.org/0000-0003-2698-299X
Naebe, MinooORCID iD for Naebe, Minoo orcid.org/0000-0002-0607-6327
Journal name Advanced science
Article ID 1900762
Total pages 9
Publisher Wiley
Place of publication Chichester, Eng.
Publication date 2019-09-06
ISSN 2198-3844
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Multidisciplinary
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Chemistry
Science & Technology - Other Topics
Materials Science
freestanding electrodes
hierarchically porous carbon textiles
mechanically robust
ordered honeycomb-like macropores
COTTON
SUPERCAPACITOR
CAPACITANCE
ACTIVATION
KOH
Summary © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim For most carbon-based materials, hierarchical porous structure including well-defined macropores, mesopores, and micropores is commonly seen in 3D aerogels, monoliths, or some carbothermic natural biomass. However, because of the filiform character and long draw ratio, it is difficult to achieve such pore network as well as attain excellent mechanical performance in a 1D single carbon fiber system. To address this issue, an innovative hierarchical porous and hollow carbon textile (HPHCT) is developed via the “dynamic template (KOH, SiO2, and Al2O3) calcination” strategy. Unlike conventional one-step activated carbonized fiber simply with meso or micropores, the fabricated textile generates honeycomb-like macropores uniformly spreading on fiber surface. More importantly, the ultra-lightweight yet flexible HPHCT is mechanically robust, superior to ordinary carbonized one. In addition, it delivers high capacitance of maximum 220 F g−1 as well as keeping long term stability with 100% retention after 10 000 cycles as freestanding electrodes in supercapacitor. Meanwhile, the all-solid integrated symmetric HPHCT supercapacitors demonstrates its high potential in powering electronics for wearable energy storage application.
Language eng
DOI 10.1002/advs.201900762
Indigenous content off
Field of Research 090703 Environmental Technologies
090402 Catalytic Process Engineering
091205 Functional Materials
030301 Chemical Characterisation of Materials
030307 Theory and Design of Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30130099

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