Biopolymer electrolyte based on derivatives of cellulose from kenaf bast fiber

Mohd Saiful Asmal Rani, Siti Rudhziah, Azizan Ahmad, Nor Sabirin Mohamed

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

Abstract: A cellulose derivative, carboxymethyl cellulose (CMC), was synthesized by the reaction of cellulose from kenaf bast fiber with monochloroacetic acid. A series of biopolymer electrolytes comprised of the synthesized CMC and ammonium acetate (CH3COONH4) were prepared by the solution-casting technique. The biopolymer-based electrolyte films were characterized by Fourier Transform Infrared spectroscopy to investigate the formation of the CMC-CH3COONH4 complexes. Electrochemical impedance spectroscopy was conducted to obtain their ionic conductivities. The highest conductivity at ambient temperature of 5.77 × 10-4 S cm-1 was obtained for the electrolyte film containing 20 wt% of CH3COONH4. The biopolymer electrolyte film also exhibited electrochemical stability up to 2.5 V. These results indicated that the biopolymer electrolyte has great potential for applications to electrochemical devices, such as proton batteries and solar cells.

Original languageEnglish
Pages (from-to)2371-2385
Number of pages15
JournalPolymers
Volume6
Issue number9
DOIs
Publication statusPublished - 2014

Fingerprint

Kenaf fibers
Bast fibers
Biopolymers
Cellulose
Electrolytes
Carboxymethylcellulose Sodium
Derivatives
Cellulose derivatives
Ionic conductivity
Electrochemical impedance spectroscopy
Fourier transform infrared spectroscopy
Protons
Solar cells
Casting
Acids

Keywords

  • Ammonium acetate
  • Biopolymer electrolytes
  • electrochemical stability
  • Fourier transform infrared spectroscopy (FTIR)

ASJC Scopus subject areas

  • Polymers and Plastics
  • Chemistry(all)

Cite this

Biopolymer electrolyte based on derivatives of cellulose from kenaf bast fiber. / Rani, Mohd Saiful Asmal; Rudhziah, Siti; Ahmad, Azizan; Mohamed, Nor Sabirin.

In: Polymers, Vol. 6, No. 9, 2014, p. 2371-2385.

Research output: Contribution to journalArticle

Rani, Mohd Saiful Asmal ; Rudhziah, Siti ; Ahmad, Azizan ; Mohamed, Nor Sabirin. / Biopolymer electrolyte based on derivatives of cellulose from kenaf bast fiber. In: Polymers. 2014 ; Vol. 6, No. 9. pp. 2371-2385.
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PY - 2014

Y1 - 2014

N2 - Abstract: A cellulose derivative, carboxymethyl cellulose (CMC), was synthesized by the reaction of cellulose from kenaf bast fiber with monochloroacetic acid. A series of biopolymer electrolytes comprised of the synthesized CMC and ammonium acetate (CH3COONH4) were prepared by the solution-casting technique. The biopolymer-based electrolyte films were characterized by Fourier Transform Infrared spectroscopy to investigate the formation of the CMC-CH3COONH4 complexes. Electrochemical impedance spectroscopy was conducted to obtain their ionic conductivities. The highest conductivity at ambient temperature of 5.77 × 10-4 S cm-1 was obtained for the electrolyte film containing 20 wt% of CH3COONH4. The biopolymer electrolyte film also exhibited electrochemical stability up to 2.5 V. These results indicated that the biopolymer electrolyte has great potential for applications to electrochemical devices, such as proton batteries and solar cells.

AB - Abstract: A cellulose derivative, carboxymethyl cellulose (CMC), was synthesized by the reaction of cellulose from kenaf bast fiber with monochloroacetic acid. A series of biopolymer electrolytes comprised of the synthesized CMC and ammonium acetate (CH3COONH4) were prepared by the solution-casting technique. The biopolymer-based electrolyte films were characterized by Fourier Transform Infrared spectroscopy to investigate the formation of the CMC-CH3COONH4 complexes. Electrochemical impedance spectroscopy was conducted to obtain their ionic conductivities. The highest conductivity at ambient temperature of 5.77 × 10-4 S cm-1 was obtained for the electrolyte film containing 20 wt% of CH3COONH4. The biopolymer electrolyte film also exhibited electrochemical stability up to 2.5 V. These results indicated that the biopolymer electrolyte has great potential for applications to electrochemical devices, such as proton batteries and solar cells.

KW - Ammonium acetate

KW - Biopolymer electrolytes

KW - electrochemical stability

KW - Fourier transform infrared spectroscopy (FTIR)

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