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Synergetic Hybrid Aerogels of Vanadia and Graphene as Electrode Materials of Supercapacitors

Flexible Carbon Aerogels

Institute of Materials Research, German Aerospace Center, Linder Höhe, Cologne 51147, Germany
Author to whom correspondence should be addressed.
Academic Editor: Dusan Losic
Received: 24 June 2016 / Revised: 17 August 2016 / Accepted: 18 August 2016 / Published: 6 September 2016
(This article belongs to the Special Issue Graphene Aerogels)
Carbon aerogels are highly porous materials with a large inner surface area. Due to their high electrical 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 for 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 and new application fields directed towards flexible supercapacitors and batteries. View Full-Text
Keywords: carbon aerogels; flexible aerogels; in-situ compression test carbon aerogels; flexible aerogels; in-situ compression test
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MDPI and ACS Style

Schwan, M.; Ratke, L. Flexible Carbon Aerogels. C 2016, 2, 22.

AMA Style

Schwan M, Ratke L. Flexible Carbon Aerogels. C. 2016; 2(3):22.

Chicago/Turabian Style

Schwan, Marina, and Lorenz Ratke. 2016. "Flexible Carbon Aerogels" C 2, no. 3: 22.

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