Kesan garam litium nitrat terhadap sifat elektrokimia karboksimetil kitosan

Translated title of the contribution: The effect of lithium nitrate towards electrochemical properties of carboxymethyl chitosan

N. N. Mobarak, F. N. Jantan, N. A. Dzulkurnain, Azizan Ahmad, Md. Pauzi Abdullah

Research output: Contribution to journalArticle

Abstract

Carboxymethyl chitosan has showed its potential to be used as host polymer for solid polymer electrolyte application. The effect of lithium nitrate towards electrochemical properties of solid polymer electrolyte based carboxymethyl chitosan has been investigated. Solid bio-polymer electrolyte based carboxymethyl chitosan was prepared by solution-casting technique with different ratios of lithium nitrate (LiNO3) salt. The films were characterized by attenuated total reflected Fourier transform infrared (ATR-FTIR) Spectroscopy and Electrochemical Impedance Spectroscopy to determine the chemical interaction and electrochemical properties of the polymer electrolytes. Based on ATR-FTIR spectra, the lithium ions tend to interact with carbonyl group and ether group in carboxymethyl chitosan structure. The highest conductivity achieved was 8.44 × 10-4 S cm-1 with a concentration of 30 wt. % of LiNO3 salt at room temperature and 5.25 × 10-3 S cm−1 at 70°C. The films were electrochemically stable up to 2.94 V. The results suggest that this solid polymer electrolyte based on carboxymethyl chitosan demonstrate potential to be applied in lithium ion batteries.

Original languageMalay
Pages (from-to)2091-2098
Number of pages8
JournalSains Malaysiana
Volume47
Issue number9
DOIs
Publication statusPublished - 1 Jan 2018

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Electrochemical properties
Lithium
Nitrates
Polymers
Electrolytes
Salts
Electrochemical impedance spectroscopy
Ether
carboxymethyl-chitosan
Fourier transforms
Casting
Ions
Infrared radiation
Temperature

ASJC Scopus subject areas

  • General

Cite this

Kesan garam litium nitrat terhadap sifat elektrokimia karboksimetil kitosan. / Mobarak, N. N.; Jantan, F. N.; Dzulkurnain, N. A.; Ahmad, Azizan; Abdullah, Md. Pauzi.

In: Sains Malaysiana, Vol. 47, No. 9, 01.01.2018, p. 2091-2098.

Research output: Contribution to journalArticle

Mobarak, N. N. ; Jantan, F. N. ; Dzulkurnain, N. A. ; Ahmad, Azizan ; Abdullah, Md. Pauzi. / Kesan garam litium nitrat terhadap sifat elektrokimia karboksimetil kitosan. In: Sains Malaysiana. 2018 ; Vol. 47, No. 9. pp. 2091-2098.
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