“…[ 24 ] CFs grown with nanostructures on the surface, that is, nano‐whiskered CFs, not only maintain their inherent high strength, low resistivity, and high‐thermal conductivity, as well as being significantly enhanced in terms of mechanical properties and interfacial bonding properties. Various techniques, including chemical vapor deposition (CVD), [ 25 ] electrophoretic deposition (EPD), [ 26 ] microwave treatment, [ 27 ] and hydrothermal methods, [ 28 ] have been employed for the controlled growth of different nanostructures, such as nanosheets, [ 26 ] nanowires, [ 29 ] nanotubes, [ 30 ] and nanoflowers, [ 31 ] on the surface of CFs. After whiskerization, independent binder‐free composites with multiscale are formed by integrating the grown nanostructures with the CF substrate.…”