Ionic conductivity and dielectric studies of acid doped cellulose acetate propionate solid electrolyte for supercapacitor

Yethadka Narahari Sudhakar, Denthaje Krishna Bhat, Muthu Selvakumar

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Phosphoric acid doped cellulose acetate propionate (CAP) consisting of poly(ethylene glycol) (PEG) as plasticizer was investigated. Ionic conductivities and dielectric studies were carried at different temperature with varying concentration of H3PO4 using AC impedance method. The highest conductivity was 8.1 × 10-4 S cm-1 at 343 K and a long tail was featured in dielectric studies indicating good capacitance nature of the electrolyte. Interactions between added constituents were observed in FTIR and differential scanning calorimetry studies. Thin and compact fabricated supercapacitor demonstrated specific capacitance of 64 F g-1 using cyclic voltammetry. Furthermore, the supercapacitor properties like AC impedance and charge-discharge were studied. Stability was up to 96% at 1000th cycle. POLYM. ENG. SCI., 56:196-203, 2016.

Original languageEnglish
Pages (from-to)196-203
Number of pages8
JournalPolymer Engineering and Science
Volume56
Issue number2
DOIs
Publication statusPublished - 01-02-2016

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Solid electrolytes
Ionic conductivity
Polyethylene glycols
Cellulose
Capacitance
Plasticizers
Acids
Phosphoric acid
Electrolytes
Cyclic voltammetry
Differential scanning calorimetry
Temperature
Supercapacitor
cellulose acetate propionate
phosphoric acid

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Materials Chemistry
  • Chemistry(all)

Cite this

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abstract = "Phosphoric acid doped cellulose acetate propionate (CAP) consisting of poly(ethylene glycol) (PEG) as plasticizer was investigated. Ionic conductivities and dielectric studies were carried at different temperature with varying concentration of H3PO4 using AC impedance method. The highest conductivity was 8.1 × 10-4 S cm-1 at 343 K and a long tail was featured in dielectric studies indicating good capacitance nature of the electrolyte. Interactions between added constituents were observed in FTIR and differential scanning calorimetry studies. Thin and compact fabricated supercapacitor demonstrated specific capacitance of 64 F g-1 using cyclic voltammetry. Furthermore, the supercapacitor properties like AC impedance and charge-discharge were studied. Stability was up to 96{\%} at 1000th cycle. POLYM. ENG. SCI., 56:196-203, 2016.",
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Ionic conductivity and dielectric studies of acid doped cellulose acetate propionate solid electrolyte for supercapacitor. / Sudhakar, Yethadka Narahari; Krishna Bhat, Denthaje; Selvakumar, Muthu.

In: Polymer Engineering and Science, Vol. 56, No. 2, 01.02.2016, p. 196-203.

Research output: Contribution to journalArticle

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AB - Phosphoric acid doped cellulose acetate propionate (CAP) consisting of poly(ethylene glycol) (PEG) as plasticizer was investigated. Ionic conductivities and dielectric studies were carried at different temperature with varying concentration of H3PO4 using AC impedance method. The highest conductivity was 8.1 × 10-4 S cm-1 at 343 K and a long tail was featured in dielectric studies indicating good capacitance nature of the electrolyte. Interactions between added constituents were observed in FTIR and differential scanning calorimetry studies. Thin and compact fabricated supercapacitor demonstrated specific capacitance of 64 F g-1 using cyclic voltammetry. Furthermore, the supercapacitor properties like AC impedance and charge-discharge were studied. Stability was up to 96% at 1000th cycle. POLYM. ENG. SCI., 56:196-203, 2016.

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