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Advanced Flexible and Stretchable Electronics Using Conductive Fiber Electrode for Smart Textiles and Wearables

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Wearables".

Deadline for manuscript submissions: closed (10 October 2021) | Viewed by 2956

Special Issue Editor

Prof. Dr. Taeyoon Lee

E-Mail Website
Guest Editor
School of Electrical & Electronic Engineering, Yonsei University, Seoul 120749, Korea
Interests: fiber electronics; textile electronics; wearable electronics; biomaterials

Special Issue Information

Dear Colleagues,

Smart wearable textiles are fabrics in which flexible and stretchable electronics are interconnected and woven together, presenting standout physical flexibility with a high electrical conductivity that cannot be accomplished with other existing manufactured electronics. Based on the features of electronic textiles using conductive fiber electrodes that are lightweight, woven, highly flexible, and stretchable, research on wearable electronics that can be directly grafted into everyday fabrics or clothing has grown explosively, which has great potential for various practical wearable applications. They have been attracting particular attention in various application fields such as energy storage devices and e-skin because they can be manufactured and operated freely in various shapes and structures by using diverse stretchable and flexible conductive materials. This Special Issue highlights and discusses state-of-the-art research in the materials and applications of flexible and stretchable conductive fiber for the development of smart wearable devices.

Prof. Dr. Taeyoon Lee
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Flexible electronics
  • Stretchable electronics
  • Textile electronics
  • Stretchable conductive fiber
  • Fiber electrode
  • E-textile
  • Smart wearable devices

Published Papers (1 paper)

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Research

18 pages, 9073 KiB  
Article
Machine Embroidered Sensors for Limb Joint Movement-Monitoring Smart Clothing
by Su Youn Park and Joo-Hyeon Lee
Sensors 2021, 21(3), 949; https://doi.org/10.3390/s21030949 - 1 Feb 2021
Cited by 7 | Viewed by 2447
Abstract
In this study, a strain gauge sensor based on a change of contact or network structure between conductive materials was implemented using the handle-machine embroidery technique, and the variables (embroidery shape, embroidery distance, embroidery size, and implementation location) affecting its performance were studied. [...] Read more.
In this study, a strain gauge sensor based on a change of contact or network structure between conductive materials was implemented using the handle-machine embroidery technique, and the variables (embroidery shape, embroidery distance, embroidery size, and implementation location) affecting its performance were studied. As a result of Experiment I on the structure of embroidery suitable for joint motion monitoring, the embroidery distance, rather than the embroidery size, was found to have a significant effect on the electric resistance changes caused by elongation. Based on the results of Experiment I, two types of zigzag embroideries, four types of embroideries with few contact points, and two types of embroideries with more contact points (all with short distances (2.0)) were selected for Experiment II (the dummy motion experiment). As a result of the dummy motion experiment, it was found that the locations of the suitable embroidered sensors for joint motion monitoring was the HJP (Hinge Joint Position) in the ‘types without a contact point’ (zigzag) and the LHJP (Lower Hinge Joint Position) in the ‘types with more contact points’. On the other hand, although there was no consistency among the ‘types with few contact points’, the resistance changes measured by the 2CP and 7CP embroidered sensors showed similar figures and patterns, and the HJP location was most suitable. The resistance changes measured by the 4CP and 6CP embroidered sensors exhibited no consistent patterns, but the LHJP locations were more suitable. These results indicate that the location of the HJP is suitable for measuring joint motion in the ‘type without a contact point’, and the location of the LHJP is suitable for measuring joint motion when the number of contact points exceeds a certain limit. Among them, the average resistance change of the 9CP sensor located at the LHJP was 40 Ω with the smallest standard deviation of less than 1, and it is thus considered to have the best performance among all the sensors. Full article
(This article belongs to the Special Issue Advanced Flexible and Stretchable Electronics Using Conductive Fiber Electrode for Smart Textiles and Wearables)
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