Electronic fibers/textiles have great potential for applications in smart wearables due to their excellent flexibility,air permeability,and wearing comfort.However,it is still challenging to produce reliable electroni...Electronic fibers/textiles have great potential for applications in smart wearables due to their excellent flexibility,air permeability,and wearing comfort.However,it is still challenging to produce reliable electronic textiles at low cost and in a large scale.Herein,we report a spraying‐spinning process for fabricating electronic yarns with excellent stability and durability.Cotton sliver,which is the raw material for spinning conventional cotton yarns,was spray coated with carbon nanotubes(CNTs)and spun on an Ag@nylon yarn,forming a sheath‐core structured CNT@cotton‐Ag@nylon yarn(CCAY).The process is continuous,large‐scalable,applicable to other raw fiber materials and compatible with traditional textile processes.The as‐prepared CCAY showed superior mechanical durability,washability,and conductivity to typical surface coated yarns.It can be easily processed or integrated into textiles through weaving,knitting,sewing,and embroidering.We systematically studied the electromechanical,electro‐thermal,and photothermal performance of CCAY based yarns/fabrics,demonstrating its versatile applications in smart textiles.In addition,CCAY can be further equipped with other features,such as electro‐thermochromic functions,pH sensing and flame resistant abilities.Considering the large‐scalability,versatility,and low‐cost,we foresee that this spraying‐spinning process for electronic yarns may play important roles in the development of practical smart fibers/textiles.展开更多
Batteries have experienced rapid development due to their outstanding energy storage performance and widespread applications.This progress has driven advancements in electric vehicles,energy storage systems,and portab...Batteries have experienced rapid development due to their outstanding energy storage performance and widespread applications.This progress has driven advancements in electric vehicles,energy storage systems,and portable electronic devices,while also increasing demand for lightweight designs,high energy density,and environmental sustainability[1].However,traditional rigid batteries face significant challenges related to mechanical flexibility,safety,and environmental impact,making them unsuitable for the unique requirements of these emerging applications[2].Consequently,flexible fiber batteries have emerged,leveraging innovations in materials and structural design to offer energy solutions capable of bending,stretching,and adapting to various complex shapes.These batteries hold great potential in applications such as wearable devices[3],flexible electronics[4],smart textiles[5,6],and biomedical devices[7].Traditional lithium-ion batteries are widely used due to their high energy density and long cycle life.展开更多
基金supported by the National Natural Science Foundation of China(52125201 and 21975141)the National Key Basic Research and Development Program of China(2020YFA0210702)。
基金study was supported by State Key Laboratory of New Textile Materials and Advanced Processing Tech-nologies,Wuhan Textile University(Nos.FZ2020009,FZ2021008)the National Natural Science Founda-tion of China(Nos.21975141,52125201).
文摘Electronic fibers/textiles have great potential for applications in smart wearables due to their excellent flexibility,air permeability,and wearing comfort.However,it is still challenging to produce reliable electronic textiles at low cost and in a large scale.Herein,we report a spraying‐spinning process for fabricating electronic yarns with excellent stability and durability.Cotton sliver,which is the raw material for spinning conventional cotton yarns,was spray coated with carbon nanotubes(CNTs)and spun on an Ag@nylon yarn,forming a sheath‐core structured CNT@cotton‐Ag@nylon yarn(CCAY).The process is continuous,large‐scalable,applicable to other raw fiber materials and compatible with traditional textile processes.The as‐prepared CCAY showed superior mechanical durability,washability,and conductivity to typical surface coated yarns.It can be easily processed or integrated into textiles through weaving,knitting,sewing,and embroidering.We systematically studied the electromechanical,electro‐thermal,and photothermal performance of CCAY based yarns/fabrics,demonstrating its versatile applications in smart textiles.In addition,CCAY can be further equipped with other features,such as electro‐thermochromic functions,pH sensing and flame resistant abilities.Considering the large‐scalability,versatility,and low‐cost,we foresee that this spraying‐spinning process for electronic yarns may play important roles in the development of practical smart fibers/textiles.
基金supported by the National Natural Science Foundation of China(U21A2095)the Key Research and Development Program of Hubei Province(2021BAA068 and2020DGC003)。
文摘Batteries have experienced rapid development due to their outstanding energy storage performance and widespread applications.This progress has driven advancements in electric vehicles,energy storage systems,and portable electronic devices,while also increasing demand for lightweight designs,high energy density,and environmental sustainability[1].However,traditional rigid batteries face significant challenges related to mechanical flexibility,safety,and environmental impact,making them unsuitable for the unique requirements of these emerging applications[2].Consequently,flexible fiber batteries have emerged,leveraging innovations in materials and structural design to offer energy solutions capable of bending,stretching,and adapting to various complex shapes.These batteries hold great potential in applications such as wearable devices[3],flexible electronics[4],smart textiles[5,6],and biomedical devices[7].Traditional lithium-ion batteries are widely used due to their high energy density and long cycle life.
