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Multi-Layer PVA-PANI Conductive Hydrogel for Symmetrical Supercapacitors: Preparation and Characterization.
Giovagnoli, Angelica; D'Altri, Giada; Yeasmin, Lamyea; Di Matteo, Valentina; Scurti, Stefano; Di Filippo, Maria Francesca; Gualandi, Isacco; Cassani, Maria Cristina; Caretti, Daniele; Panzavolta, Silvia; Focarete, Maria Letizia; Rea, Mariangela; Ballarin, Barbara.
Afiliación
  • Giovagnoli A; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • D'Altri G; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Yeasmin L; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Di Matteo V; Applied Science and Technology Department, Politecnico di Torino, Corso Duca Degli Abruzzi, 24, 10129 Torino, Italy.
  • Scurti S; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Di Filippo MF; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Gualandi I; Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, 40126 Bologna, Italy.
  • Cassani MC; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Caretti D; Center for Industrial Research-Advanced Applications, Mechanical Engineering and Materials Technology CIRI MAM University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy.
  • Panzavolta S; Center for Industrial Research-Fonti Rinnovabili, Ambiente, Mare e Energia CIRI FRAME University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy.
  • Focarete ML; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
  • Rea M; Center for Industrial Research-Advanced Applications, Mechanical Engineering and Materials Technology CIRI MAM University of Bologna, Viale Risorgimento 2, 40136 Bologna, Italy.
  • Ballarin B; Department of Industrial Chemistry "Toso Montanari", University of Bologna, Distretto Navile-Via Gobetti 85, 40129 Bologna, Italy.
Gels ; 10(7)2024 Jul 12.
Article en En | MEDLINE | ID: mdl-39057481
ABSTRACT
This work describes a simple, inexpensive, and robust method to prepare a flexible "all in one" integrated hydrogel supercapacitors (HySCs). Preparing smart hydrogels with high electrical conductivity, ability to stretch significantly, and excellent mechanical properties is the last challenge for tailored wearable devices. In this paper, we employed a physical crosslinking process that involves consecutive freezing and thawing cycles to prepare a polyvinyl alcohol (PVA)-based hydrogel. Exploiting the self-healing properties of these materials, the assembly of the different layers of the HySCs has been performed. The ionic conductivity within the electrolyte layer arises from the inclusion of an H2SO4 solution in the hydrogel network. Instead, the electronic conductivity is facilitated by the addition of the conductive polymer PANI-PAMPSA into the hydrogel layers. Electrochemical measures have highlighted newsworthy properties related to our HySCs, opening their use in wearable electronic applications.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Gels Año: 2024 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Suiza
Texto completo
Añadir a Mi BVS
Imprimir
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Gels Año: 2024 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Suiza