Solid-state graphene-based supercapacitor with high-density energy storage using ionic liquid gel electrolyte: electrochemical properties and performance in storing solar electricity

The electrochemical properties and high-density energy storage performance of graphene nano-platelet-based solid-state electrical double-layer supercapacitor device are reported. The graphene device is fabricated with electrolyte comprising of 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF 4...

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Veröffentlicht in:	Journal of solid state electrochemistry 2019-06, Vol.23 (6), p.1667-1683
Hauptverfasser:	Obeidat, Amr M., Luthra, Vandna, Rastogi, A. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry Characterization and Evaluation of Materials Charge transfer Chemistry Chemistry and Materials Science Condensed Matter Physics Electricity Electrochemical analysis Electrochemistry Electrolytes Electrolytic cells Energy Storage Figure of merit Flux density Graphene Ion charge Ionic liquids Ions Original Paper Photovoltaic cells Physical Chemistry Platelets (materials) Response time Solar cells Solid state Supercapacitors
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Beschreibung
Zusammenfassung:	The electrochemical properties and high-density energy storage performance of graphene nano-platelet-based solid-state electrical double-layer supercapacitor device are reported. The graphene device is fabricated with electrolyte comprising of 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF 4 ) room temperature ionic liquid and LiClO 4 dopant entrapped within polymer matrix formulated as a gel. The mesoporous graphene electrode was formed via dispersion in amorphous polyvinylidene (PVdF 2 ) host over flexible graphite sheets with minimal graphene layer (
ISSN:	1432-8488 1433-0768
DOI:	10.1007/s10008-019-04272-y