scholarly journals Wearable Electronic Textiles from Nanostructured Piezoelectric Fibers

2020 ◽  
Vol 5 (4) ◽  
pp. 1900900 ◽  
Author(s):  
Fatemeh Mokhtari ◽  
Geoffrey M. Spinks ◽  
Cormac Fay ◽  
Zhenxiang Cheng ◽  
Raad Raad ◽  
...  
Keyword(s):  
Electronic Textiles ◽  
Wearable Electronic

Aqueous Nanocoating Approach to Strong Natural Microfibers with Tunable Electrical Conductivity for Wearable Electronic Textiles

2018 ◽  
Vol 1 (5) ◽  
pp. 2406-2413 ◽  
Author(s):  
Lan Xie ◽  
Bo Shan ◽  
Huan Xu ◽  
Jinlai Li ◽  
Zhong-Ming Li ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Electronic Textiles ◽  
Wearable Electronic

Manufacturing techniques and property evaluations of conductive elastic knits

2018 ◽  
Vol 49 (4) ◽  
pp. 503-533
Author(s):  
Ching-Wen Lou ◽  
Chih-Hung He ◽  
Jia-Horng Lin
Keyword(s):  
Electric Circuit ◽  
Positive Influence ◽  
Electronic Textiles ◽  
Electric Circuits ◽  
Twisted Yarn ◽  
Conductive Yarns ◽  
Wearable Electronic ◽  
Metallic Wires ◽  
Manufacturing Techniques ◽  
Maximum Increment

Textiles can have valuable functions in terms of measurement, detection and communication when they are incorporated into functional electronic devices. However, the additional electric circuits limit the flexibility and extensibility, making the wearers uncomfortable and the manufacturing difficult. Therefore, in this study, conductive elastic knits are made of metallic yarns and expected to be used as wearable electronic textiles. In order to retain the flexibility of knits, a crochet machine with jacquard equipment is used to create knit patterns as electric circuits. Regardless of whether it is single-twisted yarn, double-twisted yarn, single-wrapped yarn, or double-wrapped yarn, the metallic wires can be completely covered in polyester filaments. Variations in twist numbers of conductive yarns or knit patterns are beneficial to the tensile strength with a maximum increment of 14%, and changing twist numbers of conductive yarns or knit patterns have a positive influence on the air permeability with a maximum increment of 24%. According to the results of the electric circuit stability test, using double-covered yarns ensures the knits a stabilized electric circuit regardless of the knit pattern.

scholarly journals Woven Wearable Electronic Textiles as Self‐Powered Intelligent Tribo‐Sensors for Activity Monitoring

2019 ◽  
Vol 3 (12) ◽  
pp. 1900070
Author(s):  
Xiuling Zhang ◽  
Jiaona Wang ◽  
Yi Xing ◽  
Congju Li
Keyword(s):  
Activity Monitoring ◽  
Electronic Textiles ◽  
Wearable Electronic ◽  
Self Powered

All-Graphene Core-Sheath Microfibers for All-Solid-State, Stretchable Fibriform Supercapacitors and Wearable Electronic Textiles

2013 ◽  
Vol 25 (16) ◽  
pp. 2326-2331 ◽  
Author(s):  
Yuning Meng ◽  
Yang Zhao ◽  
Chuangang Hu ◽  
Huhu Cheng ◽  
Yue Hu ◽  
...  
Keyword(s):  
Solid State ◽  
Electronic Textiles ◽  
Wearable Electronic

scholarly journals Development of User-Friendly Wearable Electronic Textiles for Healthcare Applications

Sensors ◽  
2018 ◽  
Vol 18 (8) ◽  
pp. 2410 ◽  
Author(s):  
Kai Yang ◽  
Katie Meadmore ◽  
Chris Freeman ◽  
Neil Grabham ◽  
Ann-Marie Hughes ◽  
...  
Keyword(s):  
Screen Printing ◽  
Electrode Array ◽  
Ease Of Use ◽  
Electronic Textiles ◽  
Healthcare Applications ◽  
Dry Electrodes ◽  
Wearable Electronic ◽  
Cleaning Methods ◽  
User Friendly ◽  
Hand Opening

This paper presents research into a user-friendly electronic sleeve (e-sleeve) with integrated electrodes in an array for wearable healthcare. The electrode array was directly printed onto an everyday clothing fabric using screen printing. The fabric properties and designed structures of the e-sleeve were assessed and refined through interaction with end users. Different electrode array layouts were fabricated to optimize the user experience in terms of comfort, effectivity and ease of use. The e-sleeve uses dry electrodes to facilitate ease of use and the electrode array can survive bending a sufficient number of times to ensure an acceptable usage lifetime. Different cleaning methods (washing and wiping) have been identified to enable reuse of the e-sleeve after contamination during use. The application of the e-sleeve has been demonstrated via muscle stimulation on the upper limb to achieve functional tasks (e.g., hand opening, pointing) for eight stroke survivors.

Multidimensional Hierarchical Fabric-Based Supercapacitor with Bionic Fiber Microarrays for Smart Wearable Electronic Textiles

2019 ◽  
Vol 11 (49) ◽  
pp. 46278-46285 ◽  
Author(s):  
Zengqing Li ◽  
Yulong Ma ◽  
Lihong Wang ◽  
Xianjing Du ◽  
Shifeng Zhu ◽  
...  
Keyword(s):  
Electronic Textiles ◽  
Wearable Electronic ◽  
Smart Wearable

scholarly journals Preparation of polypyrrole coated on Polyester Cleanroom Wiper as heater device

2020 ◽  
Vol 15 ◽  
pp. 155892502092540 ◽  
Author(s):  
Juan Xie ◽  
Wei Pan ◽  
Yan Chen ◽  
Zheng Guo
Keyword(s):  
Surface Resistance ◽  
In Situ Polymerization ◽  
Electronic Textiles ◽  
Flexible Composites ◽  
Heating Performance ◽  
Flexible Material ◽  
Steady State Temperature ◽  
Wearable Electronic ◽  
Polymerization Method

Recently, many efforts have been dedicated to achieve lightweight, stretchable, and flexible heat device. Here, the Polyester Cleanroom Wiper coated with poly(pyrrole) as flexible material showing electrothermal properties are reported. Poly(pyrrole) particles are synthesized on the cloth via a simple in situ polymerization method with different Py/FeCl3 concentration ratios. A highly conductive cloth with surface resistance of 23 Ω/sq can be produced by changing the Py/FeCl3 concentration. The flexible composites showed sensitive electrothermal performance, and a steady-state temperature of 89.1°C could be reached at 6 V. In addition, temperature, voltage, and time-dependent temperature results showed that the heating performance was strongly dependent on the resistance and external voltage. Herein, as-prepared composites were further analyzed as ultra-fast responding electrothermal heaters, indicating their great potential in application value as wearable electronic textiles.

Transforming commercial regenerated cellulose yarns into multifunctional wearable electronic textiles

2020 ◽  
Vol 8 (4) ◽  
pp. 1309-1318
Author(s):  
Jingchun Lv ◽  
Yamin Dai ◽  
Hong Xu ◽  
Yi Zhong ◽  
Linping Zhang ◽  
...  
Keyword(s):  
Flame Retardant ◽  
Electronic Devices ◽  
Regenerated Cellulose ◽  
Electronic Textiles ◽  
Wearable Electronic ◽  
Flame Retardant Properties ◽  
Wearable Electronic Devices

Various types of wearable electronic devices based on polypyrrole and cellulose yarns are fabricated and show flame-retardant properties.

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