MXene COATED YARNS AND TEXTILES FOR FUNCTIONAL FABRIC DEVICES

Abstract

Provided are textiles comprising one or both of MXene-coated fibers and MXene-coated yarns. The textiles are conductive, electroactive, and the fibers and yarns exhibit favorable mechanical and electrical properties, and can be incorporated into a variety of devices and uses.

1 . A conductive fiber, comprising:
 a substrate fiber, the substrate fiber defining an outer surface coated with a first plurality of MXene particulates.   
     
     
         2 . The conductive fiber of  claim 1 , wherein the substrate fiber comprises a naturally occurring material. 
     
     
         3 . The conductive fiber of  claim 1 , wherein the substrate fiber comprises a synthetic material. 
     
     
         4 . The conductive fiber of  claim 1 , wherein the first plurality of MXene particulates has an average particle size in the range of from about 100 to about 1000 nm. 
     
     
         5 . The conductive fiber of  claim 1 , wherein the first plurality of MXene particulates comprises two different MXene materials. 
     
     
         6 . The conductive fiber of  claim 1 , wherein the first plurality of MXene particulates defines a unimodal particle size distribution. 
     
     
         7 . The conductive fiber of  claim 1 , wherein the first plurality of MXene particulates defines a multimodal particle size distribution. 
     
     
         8 . The conductive fiber of  claim 1 , wherein the first plurality of MXene particulates are attached to the substrate fiber by electrostatic interaction. 
     
     
         9 . A yarn, comprising:
 a plurality of conductive fibers according to  claim 1 .   
     
     
         10 . The yarn of  claim 9 , the yarn defining an outer surface coated with a second plurality of MXene particulates. 
     
     
         11 . The yarn of  claim 10 , wherein the second plurality of MXene particulates has an average particle size in the range of from about 500 to about 15,000 nm. 
     
     
         12 . The yarn of  claim 10 , wherein the second plurality of MXene particulates comprises two different MXene materials. 
     
     
         13 . (canceled) 
     
     
         14 . (canceled) 
     
     
         15 . The yarn of  claim 10 , wherein the second plurality of MXene particulates are attached to the outer surface of the yarn by electrostatic interaction. 
     
     
         16 . The yarn of  claim 9 , wherein the yarn is characterized as having a MXene loading of from about 0.1 to about 2.0 mg/cm, wherein the yarn is characterized as having a MXene mass loading of from about 10 to about 75 wt %, wherein the yarn is characterized as having a conductivity of from about 30 to about 150 S/cm, wherein the yarn is characterized as having a conductivity of from about 30 to about 150 S/cm, or any combination thereof. 
     
     
         17 . (canceled) 
     
     
         18 . (canceled) 
     
     
         19 . The yarn of  claim 10 , wherein the yarn is characterized as having a MXene loading of from about 2.0 to about 3.0 mg/cm, wherein the yarn is characterized as having a MXene mass loading of from about 75 to about 85 wt %, wherein the yarn is characterized as having a conductivity of from about 200 to about 440 S/cm, or any combination thereof. 
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . (canceled) 
     
     
         23 . A method, comprising: forming a fiber according to  claim 1 . 
     
     
         24 . A method, comprising: forming a yarn according to  claim 9 . 
     
     
         25 . A knitted, woven, or non-woven fabric comprising a fiber according to  claim 1 , the knitted, woven, or non-woven fabric optionally being characterized as having a MXene loading level that changes by less than about 1% following washing for 45 hours, at 20 h at 30 deg. C., 5 h at 40 deg. C., 5 h at 50 deg. C., 5 h at 60 deg. C., 5 h at 70 deg. C., and 5 h at 80 deg. C. 
     
     
         26 . A knitted, woven, or non-woven fabric comprising a yarn according to  claim 9 , the knitted, woven, or non-woven fabric optionally being characterized as having a MXene loading level that changes by less than about 1% following washing for 45 hours, at 20 h at 30 deg. C., 5 h at 40 deg. C., 5 h at 50 deg. C., 5 h at 60 deg. C., 5 h at 70 deg. C., and 5 h at 80 deg. C. 
     
     
         27 . (canceled) 
     
     
         28 . (canceled) 
     
     
         29 . (canceled) 
     
     
         30 . (canceled) 
     
     
         31 . (canceled) 
     
     
         32 . A device, the device comprising a fiber according to  claim 1 . 
     
     
         33 . The device of  claim 32 , wherein the device comprises a capacitor, an energy harvesting device, an antenna, a heater, an electromagnetic interference shield, or any combination thereof. 
     
     
         34 . The device of  claim 32 , wherein the device comprises an electrolyte contacting the fiber according to any one of  claims 1 - 4  or a yarn according to any one of  claims 9 - 11   claim 1 . 
     
     
         35 . A device, the device comprising a yarn according to  claim 9 . 
     
     
         36 . The device of  claim 35 , wherein the device comprises a capacitor, an energy harvesting device, an antenna, a heater, an electromagnetic interference shield, or any combination thereof. 
     
     
         37 . The device of  claim 35 , wherein the device comprises an electrolyte contacting the yarn according to  claim 9 .