Fig. 4: Preparation and properties of lignin-derived CNT fibers.
From: Continuously processing waste lignin into high-value carbon nanotube fibers
Preparation diagrams of a TCFs and b RCFs. SEM images of c TCFs and d RCFs. Polarized Raman spectra of e TCFs and f RCFs. g Tensile stress-strain curves of the TCFs and RCFs. h Comparison of tensile strength and fracture work for the TCFs and RCFs. Error bars represent s.d. (n = 5). i Comparison of the thermal conductivity and density between our CNT films and other materials48,60,61,62,63,64,65,66,67. j Comparison of the tensile strength and electrical conductivity of our CNT fibers with commercial carbon fibers68, wet-spun CNT fibers18,69,70,71, CNT fibers from FCCVD25,56,72,73,74, CNT fibers from array spinning75,76,77,78,79, common metal materials67, and biomass-derived carbon fibers80,81,82,83,84,85,86.
