▎ 摘　　要

NOVELTY - Preparing wear-resistant graphene sheet textile sensor comprises e.g. (i) preparing graphene oxide, (ii) adding graphene oxide into deionized water and ultrasonically treating the graphene oxide dispersion to prepare graphene oxide dispersion, and transferring into a round bottom flask placed in oil bath, (iii) adding polyvinyl alcohol and poly(styrenesulfonate) polymers into graphene oxide dispersion, and stirring vigorously to form stable dispersion, (iv) adding environmentally friendly reducing agent L-ascorbic acid into reduced graphene oxide, and adding ammonia solution to obtain black dispersion of reduced graphene oxide, washing and diluting, (v) dipping the washed and bleached cotton yarn with reduced graphene oxide dispersion, solidifying, measuring the resistance with a multimeter, and coating for many times, and (vi) manufacturing wear-resistant temperature sensors, and performing electromechanical characterization. USE - The method is useful for preparing wear-resistant graphene sheet textile sensor. ADVANTAGE - The graphene textile sensor: has excellent temperature sensitivity, and excellent washability and extremely high flexibility. The method utilizes high-speed industrial equipment to produce thousands of kilograms (~1000 kg/h) of conductive textile yarn for next-generation wear-resistance electronics applications. DETAILED DESCRIPTION - Preparing wear-resistant graphene sheet textile sensor comprises (i) preparing graphene oxide respectively using improved Hummers method and microfluidization technology, (ii) adding graphene oxide into deionized water and ultrasonically treating the graphene oxide dispersion to prepare graphene oxide dispersion, and transferring into a round bottom flask placed in oil bath, (iii) adding polyvinyl alcohol and poly(styrenesulfonate) polymers into graphene oxide dispersion prepared in step (ii), and stirring vigorously to form stable dispersion, (iv) adding environmentally friendly reducing agent L-ascorbic acid into reduced graphene oxide prepared in step (iii), adding ammonia solution to adjust pH, and maintaining the mixture under closed conditions to obtain black dispersion of reduced graphene oxide, washing and diluting, (v) dipping the washed and bleached cotton yarn with reduced graphene oxide dispersion prepared in step (iv), solidifying, measuring the resistance with a multimeter, and coating for many times, and (vi) manufacturing wear-resistant temperature sensors using computer-controlled electronic flat knitting technology, and performing electromechanical characterization of graphene-based knitted sensor structures using data acquisition technology and tensile testing machine.