Washability of e-textile stretch sensors and sensor insulation

Berglund, Mary Ellen; Coughlin, J.; Gioberto, Guido; Dunne, Lucy E.

doi:10.1145/2634317.2634326

Cited by 17 publications

(11 citation statements)

References 2 publications

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“…Another approach to encapsulation is to apply an impermeable film on top of the protected area, on one or both sides. Berglund et al [1] used fusible polymer film to insulate stretch sensor. PU films were used by the company Stretchable Circuits to encapsulate LEDs [14].…”

Section: E-textile Protection Methodsmentioning

confidence: 99%

Launderability of surface-insulated cut and sew E-textiles

Molla

Compton

Dunne

2018

Proceedings of the 2018 ACM International Symposium on Wearable Computers

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E-textiles that enable distribution of electronic components have advantages for wearable technology, in that functionality, power, and networking can be spread over a much larger area while preserving hand-feel and wearability. However, textile-embedded circuitry often must be machinewashable to conform to user expectations for care and maintenance, particularly for garments. In this study, we evaluate the robustness to home laundering of a previouslydeveloped cut-and-sew technique for assembling e-textile circuits. Alternative surface insulation materials, textile substrate properties, and soldered component joints are evaluated. After around 1000 minutes (16.67 hours) of rigorous washing and drying, we measured a best-case 0% failure rate for component solder joints, and a best-case 0.38 ohm/m maximum increase in trace resistance. Liquid silicone seam sealer was effective in protecting 100% of solder joints. Two tape-type alternative surface insulation materials were effective in protecting bare traces and component attachment points respectively. Overall, results demonstrate the feasibility of producing insulated, washable cut-and-sew circuits for smart garment manufacturing.

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Section: E-textile Protection Methodsmentioning

confidence: 99%

Launderability of surface-insulated cut and sew E-textiles

Molla

Compton

Dunne

2018

Proceedings of the 2018 ACM International Symposium on Wearable Computers

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“…Washing reliability is not only influenced by parameters pertaining to the construction and processing of e-textiles themselves, but also the employed washing and drying methods. The results of Hardy et al and Berglund et al show that tumble drying leads to more damages than washing [13,22]. Three separate studies find that placing the e-textiles inside a washing bag increases the washability [35,61,72].…”

Section: Influence Of Washing and Drying Parametersmentioning

confidence: 98%

“…Once these protective structures are corrupted, the underlying conductive or electronic components are more vulnerable to damages themselves [39]. Berglund et al observe the delamination of the protective PU film in their stitched stretch sensors, with the magnitude of delamination corresponding with an increase in resistance [13]. When washing SCB type conductive tracks, delamination of the protective PU layer occurs along the copper foil tracks in the research conducted by Rotzler.…”

Section: Damages To Protective Layersmentioning

confidence: 99%

Washability of E-Textiles: Failure Modes and Influences on Washing Reliability

Rotzler

Schuster

2021

Textiles

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E-textiles, hybrid products that incorporate electronic functionality into textiles, often need to withstand washing procedures to ensure textile typical usability. Yet, the washability—which is essential for many e-textile applications like medical or sports due to hygiene requirements—is often still insufficient. The influence factors for washing damage in textile integrated electronics as well as common weak points are not extensively researched, which makes a targeted approach to improve washability in e-textiles difficult. As a step towards reliably washable e-textiles, this review bundles existing information and findings on the topic: a summary of common failure modes in e-textiles brought about by washing as well as influencing parameters that affect the washability of e-textiles. The findings of this paper can be utilized in the development of e-textile systems with an improved washability.

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“…[95] Furthermore, deformable batteries may be expected to withstand washing cycles, which is known to cause delamination in other stretchable electronics. [96] To overcome delamination in stretchable batteries, it is important for every layer to be intimately integrated together. This has been accomplished previously through the application of a stretchable bonding layer between hydrogels, [32] as well as supramolecular hydrogen bonding at the electrode/electrolyte interface.…”

Section: Delaminationmentioning

confidence: 99%

Enabling Deformable and Stretchable Batteries

Mackanic¹,

Kao²,

Bao³

2020

Advanced Energy Materials

173

103

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Deformable energy storage devices are needed to power next-generation wearable electronics that interface intimately with the human skin. Currently, deformable energy storage devices demonstrate poor performance compared to rigid lithium-ion counterparts, forcing wearable manufacturers to design their devices around bulky battery compartments. However, technological advances to create deformable batteries at the component and device level have yielded continuous improvement in stretchable batteries over the last five years. In this essay, the major strategies at the component and device level that have been successfully employed to create stretchable batteries are reviewed.The outstanding challenges facing deformable energy storage are also discussed, namely energy density, packaging, delamination, device integration, and manufacturing. This essay will give researchers interested in contributing to the development of deformable batteries a cursory This article is protected by copyright. All rights reserved.understanding of the most successful strategies to date and provide insight into the most important directions to pursue in the future.Deformable batteries are needed to enable the next generation of skin-conformable electronics. This essay describes past strategies to enable stretchable batteries at the device and component level. These strategies have led to significant advances in stretchable battery technology, however there are still limitations that must be overcome. This essay also describes the five main challenges facing the development of deformable batteries.

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Washability of e-textile stretch sensors and sensor insulation

Cited by 17 publications

References 2 publications

Launderability of surface-insulated cut and sew E-textiles

Launderability of surface-insulated cut and sew E-textiles

Washability of E-Textiles: Failure Modes and Influences on Washing Reliability

Enabling Deformable and Stretchable Batteries

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