Journal
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Volume 15, Issue 12, Pages 11833-11844Publisher
ESG
DOI: 10.20964/2020.12.57
Keywords
Biopolymer electrolytes; sodium acetate; electrical studies; electrochemical stability
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Funding
- Centre of Research and Instrument Management, Universiti Kebangsaan Malaysia [MI-2019-018]
- Malaysia's Ministry of Education through the Fundamental Research Grant Scheme [FRGS/1/2019/TK10/UKM/02/1]
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The present work deals with a new biodegradable biopolymer electrolyte-based carboxymethyl cellulose, CMC which was isolated from palm oil empty fruit bunch. Biopolymer electrolytes were developed with different ratios of sodium acetate (NaCH3COO) via a solution casting technique, and their structural, electrical and electrochemical behaviours were investigated. The incorporation of 30 wt% sodium acetate yielded an optimized ionic conductivity of 1.83 x 10(-3) S cm(-1) at room temperature. Fourier transform infrared results suggested that interactions between components occurred in the biopolymer. The CMC-NaCH3COO film with the highest conductivity had an electrochemical stability of 2.8 V, and transference number measurements confirmed that ions predominate in the conduction of electrolytes.
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