Electromechanical properties of a yarn strain sensor with graphene-sheath/polyurethane-core

Li, Xiaoting; Hua, Tao; Xu, Bingang

doi:10.1016/j.carbon.2017.04.002

Cited by 115 publications

(96 citation statements)

References 45 publications

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“…A hydrophilic fiber could be infiltrated by GO aqueous dispersion through a dip coating process. After the vaporization of the solvent, the GO coating could be treated with reducing agents, resulting in a conductive reduced GO (rGO) coating surrounding the fiber . Karim et al found that the adhesion and continuity of rGO coatings could be enhanced by a predeposition of polymer interlayer .…”

Section: Fabrication Processes Of Components For Stimesmentioning

confidence: 99%

Smart Textile‐Integrated Microelectronic Systems for Wearable Applications

et al. 2019

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The programmable nature of smart textiles makes them an indispensable part of an emerging new technology field. Smart textile‐integrated microelectronic systems (STIMES), which combine microelectronics and technology such as artificial intelligence and augmented or virtual reality, have been intensively explored. A vast range of research activities have been reported. Many promising applications in healthcare, the internet of things (IoT), smart city management, robotics, etc., have been demonstrated around the world. A timely overview and comprehensive review of progress of this field in the last five years are provided. Several main aspects are covered: functional materials, major fabrication processes of smart textile components, functional devices, system architectures and heterogeneous integration, wearable applications in human and nonhuman‐related areas, and the safety and security of STIMES. The major types of textile‐integrated nonconventional functional devices are discussed in detail: sensors, actuators, displays, antennas, energy harvesters and their hybrids, batteries and supercapacitors, circuit boards, and memory devices.

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Section: Fabrication Processes Of Components For Stimesmentioning

confidence: 99%

Smart Textile‐Integrated Microelectronic Systems for Wearable Applications

et al. 2019

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“…Also, as fiber substrates, elastic polymer fibers such as PU and Ecoflex substrates have been used owing to their high stretchability. Furthermore, for the fabrication of the fiber strain sensors, wet spinning, electrospinning, conventional dip coating, or layer‐by‐layer coating methods was applied depending on the materials used (Table ).…”

Section: Textile‐based Wearable Sensors and Systemsmentioning

confidence: 99%

“…Also, as fiber substrates, elastic polymer fibers such as PU [90] and Ecoflex substrates [84] have been used owing to their high stretchability. Furthermore, for the fabrication of the fiber strain sensors, wet spinning, [87] electrospinning, [89] conventional dip coating, [90] or layer-by-layer coating methods [20,92,93] was applied depending on the materials used (Table 1). Previously, a stretchable conductive fiber and a strain sensor using an AgNW-AgNP composite as conductive elements were demonstrated.…”

Section: Strain/motion Sensorsmentioning

confidence: 99%

Recent Progress of Textile‐Based Wearable Electronics: A Comprehensive Review of Materials, Devices, and Applications

Heo

Eom

Kim

et al. 2017

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Wearable electronics are emerging as a platform for next-generation, human-friendly, electronic devices. A new class of devices with various functionality and amenability for the human body is essential. These new conceptual devices are likely to be a set of various functional devices such as displays, sensors, batteries, etc., which have quite different working conditions, on or in the human body. In these aspects, electronic textiles seem to be a highly suitable possibility, due to the unique characteristics of textiles such as being light weight and flexible and their inherent warmth and the property to conform. Therefore, e-textiles have evolved into fiber-based electronic apparel or body attachable types in order to foster significant industrialization of the key components with adaptable formats. Although the advances are noteworthy, their electrical performance and device features are still unsatisfactory for consumer level e-textile systems. To solve these issues, innovative structural and material designs, and novel processing technologies have been introduced into e-textile systems. Recently reported and significantly developed functional materials and devices are summarized, including their enhanced optoelectrical and mechanical properties. Furthermore, the remaining challenges are discussed, and effective strategies to facilitate the full realization of e-textile systems are suggested.

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“…yarns, [6][7][8][9] 2D thin films, [10][11][12] or 3D selfsensing structures. [5,[13][14][15] Piezoresistive sensors have shown a great promise in sensing human movements, [16,17] heart rate monitoring and pulse measurement; [18,19] they have been used for applications in machine learning (e.g., in soft robotics [20,21] ), as well as real-time structural health monitoring (SHM) [22,23] and resin curing screening [22,24,25] in the structural parts and composites.…”

Section: Stretchable Yarn Sensorsmentioning

confidence: 99%

Graphene‐Coated Spandex Sensors Embedded into Silicone Sheath for Composites Health Monitoring and Wearable Applications

Montazerian

Rashidi

Dalili

et al. 2019

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This study presents a low‐cost, tunable, and stretchable sensor fabricated based on spandex (SpX) yarns coated with graphene nanoplatelets (GnP) through a dip‐coating process. The SpX/GnP is wrapped into a stretchable silicone rubber (SR) sheath to protect the conductive layer against harsh conditions, which allows for fabricating washable wearable sensors. Dip‐coating parameters are optimized to obtain the maximum GnP coating rate. The covering sheath is tailored to achieve high stretchability beyond the sensing limit of 104% for SpX/GnP/SR sensors. Adjustable sensitivity is attained by manipulating SpX immersion times broadening its application for a wide range of strains: Gauge factors as high as two orders of magnitude are achieved at tensile strains greater than ≈40%. The fabricated sensors are tested for two applications: First, the SpX/GnP sensors are integrated into composite fabrics (with no negative impact on the structural integrity of the part) for screening the yarn displacements, resin flow, solidification during the hot press forming process, and structural health monitoring under mechanical loads with minimal cross‐sensitivity to temperature/humidity. Second, the capability of SpX/GnP/SP sensors in detection of a wide range of bodily motions (from the joint motion to arterial blood pressure) is demonstrated.

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Electromechanical properties of a yarn strain sensor with graphene-sheath/polyurethane-core

Cited by 115 publications

References 45 publications

Smart Textile‐Integrated Microelectronic Systems for Wearable Applications

Smart Textile‐Integrated Microelectronic Systems for Wearable Applications

Recent Progress of Textile‐Based Wearable Electronics: A Comprehensive Review of Materials, Devices, and Applications

Graphene‐Coated Spandex Sensors Embedded into Silicone Sheath for Composites Health Monitoring and Wearable Applications

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