Storing elastic energy in carbon nanotubes

  title={Storing elastic energy in carbon nanotubes},
  author={Frances Ann Hill and Timothy F. Havel and A. John Hart and Carol Livermore},
The potential performance of carbon nanotubes (CNTs) as springs for elastic energy storage is evaluated. Models are used to determine an upper bound on the energy density that can be stored in defect-free individual CNTs and in assemblies of such CNTs. The models reveal that optimal energy density may be achieved in small-diameter single-walled CNTs loaded in tension, with a maximum theoretical energy density for CNT groupings of 7.8 × 106 kJ m−3. Millimeter-scale CNT springs are constructed… CONTINUE READING
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