Ultraflexible and robust graphene supercapacitors printed on textiles for wearable electronics applications
By Amr M. Abdelkader, N. Karim, C. Vallés, S. Afroj, K. Novoselov, S. Yeates. 2017
153 citations recorded by the source corpus.
Printed graphene supercapacitors have the potential to empower tomorrow’s wearable electronics. We report a solid-state flexible supercapacitor device printed on textiles using graphene oxide ink and a screen-printing technique. After printing, graphene oxide was reduced in situ via a rapid electrochemical method avoiding the use of any reducing reagents that may damage the textile substrates. The printed electrodes exhibited excellent mechanical stability due to the strong interaction between the ink and textile substrate. The unique hierarchical porous structure of the electrodes facilitated ionic diffusion and maximised the surface area available for the electrolyte/active material interface. The obtained device showed outstanding cyclic stability over 10 000 cycles and maintained excellent mechanical flexibility, which is necessary for wearable applications. The simple printing technique is readily scalable and avoids the problems associated with fabricating supercapacitor devices made of conductive yarn, as previously reported in the literature.
Subfields: Biomedical Engineering, Electronic, Optical and Magnetic Materials, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/fd8b5dcd4c145f464d9f5dba2324fb6b5c4a3b1b
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In Biomedical Engineering
Citations in the corpus
- Textile sensors for wearable applications: a comprehensive review (2020, background): “Higher labour and space cost Abdelkader et al. (2017), Krebs et al. (2009), Moonen et al. (2012), Shi et al. (2011), Søndergaard et al. (2013), Soukup et al. (2012) and Tobjörk and Österbacka (2011) and washing (Zhong et al. 2018).”