Overview of wearable electronics and smart textiles

Honarvar, Mozhdeh Ghahremani; Latifi, Masoud

doi:10.1080/00405000.2016.1177870

Cited by 130 publications

(45 citation statements)

References 75 publications

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“…Advances in hydrogel performance, when combined with interstitial conductive materials, have shown potential for incorporation with modern electronic applications [1,2]. Technological products, such as wearable electronics [3,4], personal sensors [5][6][7], and smart textiles [8,9], are examples where these novel materials can enhance their functionality.…”

Section: Introductionmentioning

confidence: 99%

Flexible Electrode Based on MWCNT Embedded in a Cross-Linked Acrylamide/Alginate Blend: Conductivity vs. Stretching

Thibodeau

Ignaszak

2020

Polymers

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A polyacrylamide-alginate hydrogel electrolyte, blended with Multi-Walled Carbon Nanotubes (MWCNT) as an electronically conductive fraction, allows for the creation of a flexible, durable, and resilient electrode. The MWCNT content is correlated with mechanical characteristics such as stretch modulus, tensile resistance, and electrical conductivity. The mechanical analysis demonstrates tensile strength that is comparable to similar hydrogels reported in the literature, with increasing strength for MWCNT-embedded hydrogels. The impedance spectroscopy reveals that the total resistance of electrodes decreases with increasing MWCNT content upon elongation and that bending and twisting do not obstruct their conductivity. The MWCNT-inserted hydrogels show mixed ionic and electronic conductivities, both within a range of 1-4 × 10 −2 S cm −1 in a steady state. In addition, the thermal stability of these materials increases with incrementing MWCNT content. This observation agrees with long-term charge-discharge cycling that shows enhanced electrochemical durability of the MWCNT-hydrogel hybrid when compared to pure hydrogel electrolyte. The hydrogel-carbon films demonstrate an increased interfacial double-layer current at a high MWCNT content (giving an area-specific capacitance of~30 mF cm −2 at 2.79 wt.% of MWCNT), which makes them promising candidates as printable and flexible electrodes for lightweight energy storage applications. The maximum content of MWCNT within the polymer electrolyte was estimated at 2.79 wt.%, giving a very elastic polymer electrode with good electrical characteristics.

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Section: Introductionmentioning

confidence: 99%

Flexible Electrode Based on MWCNT Embedded in a Cross-Linked Acrylamide/Alginate Blend: Conductivity vs. Stretching

Thibodeau

Ignaszak

2020

Polymers

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“…Under these considerations, the cardboard can be used as a material for the development of artifacts because it is easy to obtain and is economical. The cardboard has several advantages, is malleable and it can be cut, folded, pasted, and perforated; it also can be painted and is sewable which opens a window to be a structural material for some textiles and electronic components to develop the creative skills of students and focus to integrate the arts in the artifacts . These characteristics differentiate the cardboard as a good structural material for the assembly of mechanical and electrical elements due to its mechanical properties that even can be increased when combined with glue and adhesives as used for the packaging processes .…”

Section: The Line Following Robot Activitymentioning

confidence: 99%

An ultra‐low cost line follower robot as educational tool for teaching programming and circuit's foundations

Pérez

López

2018

Comp Applic In Engineering

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In this paper, an ultra low‐cost line following robot is presented. The robot is developed through the integration of free educational software and low cost electronics and mechanical devices with the aim of been used as a teaching and learning tool to increase the students confidence/performance and interest in engineering areas. The cost for building this robot‐based educational tool and its related activities is less than 25 USD. Students were encouraged for building its own unique designs using cardboard and open‐source software and hardware. The activities promoted the increase in knowledge and developed student's technical skills such as the use of electronic circuits and sensors, three dimension designs, learning to programming animations and microcontrollers, building self‐made structural and mechanical elements using cardboard and the use of the Bluetooth protocol to achieve the interconnection of devices through the use of an Android based Smartphone. The activities have been developed to allow students to apply and test their own ideas and concepts for solving problems through the computational thinking process and finding digital solutions through programming microcontrollers, all of them in the frame of the maker movement and the inclusion of the arts in the science, technology, engineering and mathematics (STEM) education. The results of confidence/performance and interest evaluation tests allowed to identify the main areas of gain knowledge and the increasing interest in the engineering fields presented in this work.

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“…It is developed with a composite fabric made from polyester and low conductive stainless-steel thread consuming ordinary embroidery methods. They reported that this keyboard is very reactive to touch and transforms a usual denim jacket into a wearable musical gadget that permits the owner to play notes, chords, and rhythms [35,36].…”

Section: Textiles Integrated With Electronicsmentioning

confidence: 99%

“…Based on the various approaches implemented, e-textiles are also known as intelligent textiles, smart textiles, techno-textiles, wearable computers, and wearable electronics [35,36]. Multidisciplinary atmosphere for e-textiles is illustrated in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in Soft E-Textiles

Mondal

2018

Inventions

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E-textiles (electronic textiles) are fabrics that possesses electronic counterparts and electrical interconnects knitted into them, offering flexibility, stretchability, and a characteristic length scale that cannot be accomplished using other electronic manufacturing methods currently available. However, knitting is only one of the technologies in e-Textile integration. Other technologies, such as sewing, embroidery, and even single fiber-based manufacture technology, are widely employed in next-generation e-textiles. Components and interconnections are barely visible since they are connected intrinsically to soft fabrics that have attracted the attention of those in the fashion and textile industries. These textiles can effortlessly acclimatize themselves to the fast-changing wearable electronic markets with digital, computational, energy storage, and sensing requirements of any specific application. This mini-review focuses on recent advances in the field of e-textiles and focuses particularly on the materials and their functionalities.

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Overview of wearable electronics and smart textiles

Cited by 130 publications

References 75 publications

Flexible Electrode Based on MWCNT Embedded in a Cross-Linked Acrylamide/Alginate Blend: Conductivity vs. Stretching

Flexible Electrode Based on MWCNT Embedded in a Cross-Linked Acrylamide/Alginate Blend: Conductivity vs. Stretching

An ultra‐low cost line follower robot as educational tool for teaching programming and circuit's foundations

Recent Advances in Soft E-Textiles

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