Mechanical Properties of Carboxymethyl Cellulose-Oleic Acid Solid Biopolymer Electrolyte

Chai, M. N.; Chai, Mengsha; Isa, M. I. N.

doi:10.4028/www.scientific.net/msf.929.186

Cited by 5 publications

(1 citation statement)

References 8 publications

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“…The changes physical structure of SPE films corresponding with the number of salts added will also have potential to alter the morphology respectively [30]. Besides, Ahmad and his team also reported that the addition of salt may influence the surface morphology of the films to make it become more flexible [31].…”

Section: The Physical Images Of Selected Spe Thin Filmsmentioning

confidence: 99%

Mechanical properties and ionic conductivity of biodegradable materials in solid polymer electrolyte

2021

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In this paper, the mechanical properties of corn starch-sodium bisulfite (NaHSO3) solid polymer electrolyte (SPE) were investigated. The SPE film based on corn starch was doped with different weight percentages (wt%) of NaHSO3 and prepared using a solution casting method. The SPE was tested by using the Tensile Analyzer to determine the tensile strength and Young’s modulus value. The presence of 5 wt% of NaHSO3 content within the corn starch matrix increased the mechanical properties of SPE film from 0.26 MPa to 2.11 MPa of tensile strength while Young’s modulus enlarged from 1.6  10-2 up to 2.6  10-2 MPa. There was found that the tensile strength and Young’s modulus values tended to decrease with the addition of NaHSO3 more than 5 wt%. This study highlighted that adding NaHSO3 not only improved the ionic conductivity but also changed the mechanical properties of the film itself and it is believed that these properties had the potential and beneficial not only in advanced electronic applications but also in the packaging industry.

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Section: The Physical Images Of Selected Spe Thin Filmsmentioning

confidence: 99%

Mechanical properties and ionic conductivity of biodegradable materials in solid polymer electrolyte

2021

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Fabrication of solid polymer electrolyte based on carboxymethyl cellulose complexed with lithium acetate salt as Lithium‐ion battery separator

Darmawan,

Yulianti,

Sabrina

et al. 2023

Polymer Composites

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Polymer electrolyte is a crucial component of solid‐state‐lithium‐ion batteries that role both as separators and electrolytes. The host polymer and lithium salt selection are crucial for producing a solid polymer electrolyte with optimum characteristics. This research aims to study the effect of lithium acetate (LiCH3COO) salt on carboxymethyl cellulose (CMC)‐based solid polymer electrolytes. The LiCH3COO‐complexed CMC solid polymer electrolyte was prepared using the solution casting method with various weight percentages of LiCH3COO, that is, 0%wt, 10%wt, 20%wt, and 30%wt. The ionic conductivity analysis was conducted by using electrochemical impedance spectroscopy (EIS), infrared analysis by Fourier transform infra‐red (FTIR), mechanical analysis, crystallinity degree analysis with X‐ray diffraction (XRD), and thermogravimetry analysis (TGA), differential thermogravimetry (DTG), and differential scanning calorimetry (DSC). The interaction between Li+ ions and CMC enhanced ionic conductivity, decreased mechanical strength, reduced crystallinity degree, and lowered thermal properties. The CMC/LiCH3COO (70/30) SPE was selected as the optimum condition because it exhibited good ionic conductivity and sufficient thermal stability, while it needs a mechanical strength improvement. Molecular dynamics simulations were also performed at the density‐functional tight‐binding (DFTB) level to unravel the molecular mechanism of the Li‐ion hopping in CMC. The CMC/LiCH3COO (70/30) showed the highest electrochemical window as high as 3.5 V. Based on the results, CMC complexed with 30 (%wt) LiCH3COO salt showed high potential as a polymer electrolyte for lithium‐ion battery applications.Highlights Fabrication of solid polymer electrolyte based on carboxymethyl cellulose complexed with lithium acetate salt was conducted by simple casting solution method. The 30%wt LiCH3COO into carboxymethyl cellulose (CMC)‐polymer host showed the highest ionic conductivity of 2.47 × 10−5 S cm−1. The 30%wt LiCH3COO‐complexed CMC shows some degradation peaks, they are water evaporation, decomplexation, depolymerization, melting, and completely degraded. The density‐functional tight‐binding method suggests that the Li‐ions hop both in perpendicular and parallel directions of the cellulose layers. The CMC/LiCH3COO (70/30) showed the highest electrochemical window as high as 3.5 V.

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Proton conductivity and proton dynamics in nanocrystalline cellulose functionalized with imidazole

Tritt‐Goc

Lindner

Bielejewski

et al. 2019

Carbohydrate Polymers

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Mechanical Properties of Carboxymethyl Cellulose-Oleic Acid Solid Biopolymer Electrolyte

Cited by 5 publications

References 8 publications

Mechanical properties and ionic conductivity of biodegradable materials in solid polymer electrolyte

Mechanical properties and ionic conductivity of biodegradable materials in solid polymer electrolyte

Fabrication of solid polymer electrolyte based on carboxymethyl cellulose complexed with lithium acetate salt as Lithium‐ion battery separator

Proton conductivity and proton dynamics in nanocrystalline cellulose functionalized with imidazole

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