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Adhesive free, conformable and washable carbon nanotube fabric electrodes for biosensing
Engineering and Technologynpj Flexible Electronics

Adhesive free, conformable and washable carbon nanotube fabric electrodes for biosensing

M. M. Hossain, B. M. Li, et al.

Discover the innovative design of carbon nanotube-based electrodes, crafted through advanced textile processes. These electrodes offer exceptional wearability with high electrocardiography accuracy, proving durable and sustainable. Dive into the research conducted by Md. Milon Hossain, Braden M. Li, Busra Sennik, Jesse S. Jur, and Philip D. Bradford.... show more
Abstract
Skin-mounted wearable electronics are attractive for continuous health monitoring and human-machine interfacing. The commonly used pre-gelled rigid and bulky electrodes cause discomfort and are unsuitable for continuous long-term monitoring applications. Here, we design carbon nanotubes (CNTs)-based electrodes that can be fabricated using different textile manufacturing processes. We propose woven and braided electrode design using CNTs wrapped textile yarns which are highly conformable to skin and measure a high-fidelity electrocardiography (ECG) signal. The skin-electrode impedance analysis revealed size-dependent behavior. To demonstrate outstanding wearability, we designed a seamless knit electrode that can be worn as a bracelet. The designed CNT-based dry electrodes demonstrated record high signal-to-noise ratios and were very stable against motion artifacts. The durability test of the electrodes exhibited robustness to laundering and practicality for reusable and sustainable applications.
Publisher
npj Flexible Electronics
Published On
Dec 09, 2022
Authors
Md. Milon Hossain, Braden M. Li, Busra Sennik, Jesse S. Jur, Philip D. Bradford
Tags
carbon nanotubeselectrodestextile manufacturingwearable technologyECG measurementsustainabilityimpedance analysis
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