Gnonhoue, George, Tabiai, Ilyass, Voix, Jérémie et David, Éric.
2026.
« Electrical and thermo-mechanical properties of styrene-ethylene-butylene-styrene/carbon nanotube and styrene-ethylene-butylene-styrene/carbon black multipin electrodes for electroencephalography ».
Sensors and Actuators, A: Physical, vol. 399.
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Résumé
Flexible electroencephalography (EEG) electrodes have attracted increasing attention due to their potential applications in mobile health monitoring. However, balancing electrical conductivity, flexibility, stretchability, and EEG signal recording remains challenging. Here, we fabricated polystyrene-block-poly(ethylene butylene)-block-polystyrene (SEBS) composites with carbon nanotubes (CNT) and carbon black (CB) via solvent dissolution. The percolation threshold was approximately 12 wt% for SEBS/CB composites and approximately 2 wt% for SEBS/CNT composites. At 20 wt%, SEBS/CB composite conductivity plateaued at 0.01 S/m, whereas SEBS/CNT composite conductivity reached 1.26 S/m at 16 wt%. Contact impedance was 4.2 ± 0.45 kΩ for SEBS/16 wt%CNT and 5.4 ± 0.9 kΩ for SEBS/20 wt%CB. SEBS/CNT was slightly stiffer than SEBS/CB. The electrodes reliably recorded EEG signals, demonstrating their potential for health monitoring and long-term EEG measurements.
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Chercheur(-euse): | Chercheur(-euse) Tabiai, Ilyass Voix, Jérémie David, Éric |
| Affiliation: | Génie mécanique, Génie mécanique, Génie mécanique |
| Date de dépôt: | 30 janv. 2026 15:53 |
| Dernière modification: | 13 févr. 2026 22:12 |
| URI: | https://espace2.etsmtl.ca/id/eprint/33283 |
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