▎ 摘　　要

NOVELTY - Manufacturing nano-carbon multifilament-metal composite wire, comprises preparing liquid crystal phase of nano-carbon material by mixing composite powder in which nano-carbon material and metal salt compound are mixed, and applying shear stress to an acid solution, heating liquid crystal phase of nano-carbon material to prepare nano-carbon material, washing and filtering nano-carbon material in which oxygen-containing functional group is introduced to prepare pre-treated nano-carbon material, preparing nano-carbon material spinning dope by dispersing pre-treated nano-carbon material into powder and then in solvent, preparing multi-stranded nano-carbon multifilament by solution-spinning nano-carbon material spinning dope and manufacturing composite wire in which metal layer is formed on outside of nano-carbon multi-filaments while metal permeates between strands by plating nano-carbon multi-filaments with metal. USE - The method is useful for manufacturing nano-carbon multifilament-metal composite wire. ADVANTAGE - The method improves performance of the conductive wire, provides compounding of metal with a conductive wire, reduces the weight by compounding a nano-carbon material and a metal. The nano-carbon multifilament-metal composite wire has excellent electrical conductivity. DETAILED DESCRIPTION - Producing nano-carbon multifilament-metal composite wire, comprises preparing liquid crystal phase of nano-carbon material by mixing composite powder in which nano-carbon material and metal salt compound are mixed in solid state, and applying shear stress to an acid solution, heating liquid crystal phase of nano-carbon material to prepare nano-carbon material in which oxygen-containing functional group that is carboxy group or hydroxyl group is introduced by metal salt compound and an acid solution, washing and filtering the nano-carbon material in which oxygen-containing functional group is introduced to prepare pre-treated nano-carbon material, preparing nano-carbon material spinning dope by dispersing pre-treated nano-carbon material in solvent, preparing multi-stranded nano-carbon multifilament by solution-spinning the nano-carbon material spinning dope and manufacturing composite wire in which metal layer is formed on outside of nano-carbon multi-filaments while metal permeates between multiple strands by plating nano-carbon multi-filaments with metal. AN INDEPENDENT CLAIM is also included for nano-carbon multifilament-metal composite wire prepared by above mentioned method. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagramof the nano-carbon multifilament-metal composite wire (Drawing includes non-English language text).