Journal
MATERIALS & DESIGN
Volume 107, Issue -, Pages 198-204Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2016.06.042
Keywords
Gradient composite; Carbon nanotube film; Graphene aerogel; Mechanical property; Electrical conductivity; Liquid transportation and preservation
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A nano-carbon composite, consisting of a graphene aerogel-carbon nanotube (CNT) film, is constructed by coating a strong and flexible CNT film onto the surface of a porous graphene aerogel core. The prepared gradient composite, ultralight and strong, can carry objects more than 15,000 times its own weight, exhibiting impressive compression resistance. Compared to the original graphene aerogel, the composite exhibits 8-9-fold increased values in its elastic modulus and compressive strength at a strain of 20% and an approximately 10-fold increase in electrical conductivities in the axial direction. In addition, the elastic recovery ability after compressive deformation and the ability to preserve liquid are also improved. (C) 2016 Elsevier Ltd. All rights reserved.
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