An all-solid-state electrochemical double-layer capacitor based on a plastic crystal electrolyte

Ali Abouimrane, Ilias Belharouak, Yaser A. Abu-Lebdeh

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A plastic crystal, solid electrolyte was prepared by mixing tetrabutylammonium hexafluorophosphate salt, (C 4 H 9 ) 4 -NPF 6 , (10 molar %) with succinonitrile, SCN, (N=C-CH 2 -CH 2 -C=N), [SCN-10%TBA-PF 6 ]. The resultant waxy material shows a plastic crystalline phase that extends from -36°C up to its melting at 23°C. It shows a high ionic conductivity reaching 4 × 10 -5 S/cm in the plastic crystal phase (15°C) and ~ 3 × 10 -3 S/cm in the molten state (25°C). These properties along with the high electrochemical stability rendered the use of this material as an electrolyte in an electrochemical double-layer capacitor (EDLC). The EDLC was assembled, and its performance was tested by cyclic voltammetry, AC impedance spectroscopy, and galvanostatic charge-discharge methods. Specific capacitance values in the range of 4-7 F/g (of electrode active material) were obtained in the plastic crystal phase at 15°C, that although compare well with those reported for some polymer electrolytes, can be still enhanced with further development of the device and its components, and only demonstrate their great potential use for capacitors as a new application.

Original languageEnglish
Article number00034
JournalFrontiers in Energy Research
Volume3
Issue numberAUG
DOIs
Publication statusPublished - 1 Jan 2015

Fingerprint

Capacitors
Electrolytes
Plastics
Crystals
Solid electrolytes
Ionic conductivity
Cyclic voltammetry
Molten materials
Melting
Capacitance
Spectroscopy
Salts
Crystalline materials
Electrodes
Polymers

Keywords

  • Capacitor
  • EDLC
  • Plastic crystal
  • Solid electrolyte
  • Succinonitrile

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Economics and Econometrics

Cite this

An all-solid-state electrochemical double-layer capacitor based on a plastic crystal electrolyte. / Abouimrane, Ali; Belharouak, Ilias; Abu-Lebdeh, Yaser A.

In: Frontiers in Energy Research, Vol. 3, No. AUG, 00034, 01.01.2015.

Research output: Contribution to journalArticle

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