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Flexible carbon aerogels

Schwan, Marina and Ratke, Lorenz (2016) Flexible carbon aerogels. C – Journal of Carbon Research, 2, p. 22. Multidisciplinary Digital Publishing Institute (MDPI). ISSN 2311-5629

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Abstract

Carbon aerogels are highly porous materials with a huge inner surface area. Due to their high electric conductivity they are excellent electrode materials in supercapacitors. Their brittleness, however, imposes certain limitations in terms of applicability. In that context, novel carbon aerogels with varying degree of flexibility have been developed. These highly porous, light aerogels are characterized by a high surface area and possess pore structures in the micrometer range allowing a reversible deformation of the aerogel network. A high ratio of pore size to particle size was found to be crucial for high flexibility. For dynamic microstructural analysis, compression tests were performed in-situ within a scanning electron microscope allowing us to directly visualize the microstructural flexibility of an aerogel. The flexible carbon aerogels were found to withstand between 15% and 30% of uniaxial compression in a reversible fashion. These findings might stimulate further research directed towards flexible supercapacitors and batteries.

Item URL in elib:https://elib.dlr.de/106042/
Document Type:Article
Title:Flexible carbon aerogels
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwan, MarinaMarina.Schwan (at) dlr.deUNSPECIFIED
Ratke, LorenzLorenz.Ratke (at) dlr.deUNSPECIFIED
Date:August 2016
Journal or Publication Title:C – Journal of Carbon Research
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:No
In ISI Web of Science:Yes
Volume:2
Page Range:p. 22
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
ISSN:2311-5629
Status:Published
Keywords:carbon aerogels, flexible aerogels
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC Fahrzeugstruktur (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Aerogele
Deposited By: Schwan, Marina
Deposited On:04 Oct 2016 11:12
Last Modified:14 Dec 2019 04:23

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