CNF–HEC Nanocellulose Composite Substrate / Cellulose e-skin

A biodegradable CNF–HEC nanocellulose composite substrate developed by VTT for recyclable flexible printed electronics. In the ECG patch demonstrator, the single-use skin-contact patch is made from nanocellulose and printed with carbon ink conductors and ECG sensing electrodes. The electronic module is removable and reusable, making the case valuable as both a bio-based material application and a modular end-of-life design strategy.

Famiglia
Bio-based Flexible Electronics Substrate
Uso principale
Biodegradable wearable ECG patch (VTT demonstrator)
Biodegradazione
Biodegradable nanocellulose-based single-use skin patch; repulpable in water through a controlled process
Prestazioni elettriche
Printed carbon ink conductors and ECG sensing electrodes on nanocellulose substrate
Resistenza all'acqua
Water-resistant, flexible cellulose-based substrate suitable for skin-contact wearable applications
TRL · valutazione BioNexus
TRL 7

Come si produce

CNF (cellulose nanofibril) + HEC (hydroxyethyl cellulose) nanocomposite film; carbon-ink printed conductors and electrodes; removable/reusable electronic module

Fonte di ricerca

Jaiswal, A. K., Kumar, V., Jansson, E., Huttunen, O.-H., Yamamoto, A., Vikman, M., Khakalo, A., Hiltunen, J., & Behfar, M. H. (2023). Biodegradable Cellulose Nanocomposite Substrate for Recyclable Flexible Printed Electronics. Advanced Electronic Materials, 9(4), 2201094.