Graphene fiber and prepartion method thereof
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United States of America Patent
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Dec 4, 2018
Grant Date -
Apr 2, 2015
app pub date -
Dec 3, 2014
filing date -
Apr 10, 2013
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Abstract
A graphene fiber and a preparation method thereof, where the graphene fiber is a composite fiber of metal nanowire doped graphene fiber, and principal components of the composite fiber are graphene and metal nanowires, a mass ratio of metal nanowires is 0.1%-50%, the graphene is in a form of sheet, and both the metal nanowires and graphene sheets are arranged in parallel along an axial direction of the graphene fiber. The metal nanowire doped graphene fiber is a new type of a high performance multi-functional fiber material, which achieves a significant improvement in electrical conductivity of graphene fibers through doping of metal nanowires and meanwhile demonstrates excellent tensile strength and toughness. The metal nanowire doped graphene fiber has great potential application value in a plurality of fields, for example, it is used as a lightweight flexible wire.
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