> Abstract: [...] Here we produced SWCNT ropes wrapped in thermoplastic polyurethane elastomers, and demonstrated experimentally that a twisted rope composed of these SWCNTs possesses the remarkable ability to reversibly store nanomechanical energy. Notably, the gravimetric energy density of these twisted ropes reaches up to 2.1 MJ kg−1, exceeding the energy storage capacity of mechanical steel springs by over four orders of magnitude and surpassing advanced lithium-ion batteries by a factor of three. In contrast to chemical and electrochemical energy carriers, the nanomechanical energy stored in a twisted SWCNT rope is safe even in hostile environments. This energy does not deplete over time and is accessible at temperatures ranging from −60 to +100 °C.
What are some possible carbon-based, compostable, inflammable alternatives to polyurethane elastomers for wrapping (multi- or just plain) single wall carbon nanotubes that store energy without loss?
> What are some possible carbon-based, compostable, inflammable alternatives to polyurethane elastomers for wrapping (multi- or just plain) single wall carbon nanotubes that store energy without loss?