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Stretchable, transparent and multifunctional PVC-gel heater: a novel approach to skin-mountable, wearable thermal devices

Engineering and Technology

Stretchable, transparent and multifunctional PVC-gel heater: a novel approach to skin-mountable, wearable thermal devices

M. Kim, M. Cho, et al.

This innovative research by Minki Kim, Minjae Cho, Chongyoung Chung, and Ki-Uk Kyung unveils a groundbreaking soft dielectric heater (SDH) made from PVC-gel, featuring stretchable hydrogel electrodes. Capable of withstanding 400% strain while maintaining high transmittance and uniform heat generation, this SDH exemplifies a perfect blend of performance and design. Perfect for wearable technology, it promises to revolutionize the field of stretchable and transparent heaters.

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Playback language: English
Abstract
This paper introduces a soft dielectric heater (SDH) using polyvinyl chloride-gel (PVC-gel) as the dielectric and hydrogel as stretchable electrodes. Dielectric heating, caused by leakage current in the PVC-gel, generates heat uniformly even under 400% strain. High transmittance (over 86%) makes it suitable for wearable applications. Its capacitor-like structure allows scalable design, demonstrated with a 5x5 array delivering varied thermal sensations even when stretched. The SDH addresses limitations of existing stretchable and transparent heaters by combining high performance with excellent mechanical and optical properties.
Publisher
npj Flexible Electronics
Published On
Sep 19, 2024
Authors
Minki Kim, Minjae Cho, Chongyoung Chung, Ki-Uk Kyung
Tags
soft dielectric heater
PVC-gel
stretchable electrodes
wearable applications
dielectric heating
thermal sensations
transparency

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