RPI researchers Xin et al. intercalated small fragments of graphene into the gaps formed by larger graphene sheets that had been coiled into fibers. Once annealed, the large sheets provided pathways for conduction, while the smaller fragments helped reinforce the fibers. The graphene fibers achieved an enhanced thermal conductivity up to 1290 watts per meter per kelvin. The tensile strength of the graphene fiber reaches 1080 megapascals.
Article Title: Highly thermally conductive and mechanically strong graphene fibers
Authors: Guoqing Xin, Tiankai Yao, Hongtao Sun, Spencer Michael Scott, Dali Shao, Gongkai Wang, and Jie Lian
Science 4 September 2015: 1083-1087. DOI: 10.1126/science.aaa6502
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