Polymer Electrolyte Based on Ionic Liquid (EMIm)3PO4 as an Electrolyte for Electrochemical Capacitors

Lewandowski, A.; Świderska, A.

Artykuł - szczegóły

Tytuł artykułu

Polymer Electrolyte Based on Ionic Liquid (EMIm)3PO4 as an Electrolyte for Electrochemical Capacitors

Autorzy

Lewandowski A. , Świderska A.

Identyfikatory

Warianty tytułu

Języki publikacji

Abstrakty

A series of polymer electrolytes, based on ionic liquid (EMIm)3PO4, and the polymers PAN, PVdF, PVdF-HFP, PVA and PEO were prepared as thin-foils, using the casting technique. The composite electrolytes showed conductivity at a level of ca. 10 mS/cm, apart from the system PEO-(EMIm)3PO4. The electrochemical stability window of the electrolytes based on PAN, PVdF and PVdF-HFP, as determined at the glassy carbon, was at a level of ca. 4V. The solid electrolytes polymer-(EMIm)3PO4 were applied in a series of double-layer capacitors. The specific capacity expressed versus the active carbon mass was at a very high level of 230 F/g (for an activated carbon powder with a specific surface area of ca. 2600 m2/g). Good specific conductivity, a broad electrochemical stability window and very high specific capacity suggest that the polymer-(EMIm)3PO4 composites are good candidates for application in double layer capacitors.

Słowa kluczowe

polymer electrolyte ionic liquid electrochemical capacitor

Wydawca

Polskie Towarzystwo Chemiczne

Czasopismo

Polish Journal of Chemistry

Rocznik

2004

Tom

Vol. 78 / nr 9

Strony

1371--1378

Opis fizyczny

Bibliogr. 38 poz., rys.

Twórcy

autor

Lewandowski A.

Faculty of Chemical Technology, Poznan University of Technology, ul. Piotrowo 3, PL-60 965 Poznań, Poland

autor

Świderska A.

Faculty of Chemical Technology, Poznan University of Technology, ul. Piotrowo 3, PL-60 965 Poznań, Poland

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Typ dokumentu

Bibliografia

Identyfikator YADDA

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