Effect of PEG as a plasticizer on the electrical and optical properties of polymer blend electrolyte MC-CH-LiBF4 based films

Ahmed, Hawzhin T.; Jalal, Viyan Jamal; Tahir, Dana A.; Mohamad, Azhin H.; Abdullah, Omed Gh.

doi:10.1016/j.rinp.2019.102735

Cited by 66 publications

(32 citation statements)

References 53 publications

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“…The OLP model is applicable if the

value decreases with increasing temperature to a minimum value and then increases again with further increases in temperature. Finally, the QMT model implies that

is temperature independent [ 7 ]. The continuous decrease in the

value with increasing temperature suggests that the CBH model is convenient to interpret the conduction mechanism in the present PVA/NH 4 NO 3 proton-conducting SPE films, which means that the H + ions can drift by hopping between adjacent hydroxyl groups of the PVA (complexation sites) over the potential barrier separating them [ 50 ].…”

Section: Resultsmentioning

confidence: 99%

“…Over the past decades, SPEs incorporated with lithium salts are prepared excessively due to an abundance of lithium salts, small Li-ion radii, and being lightweight. They are systematically investigated to reveal the possibility of making lithium-ion rechargeable batteries with high specific capacity and high electrochemical reduction potential [ 7 ]. Nowadays, proton-conducting SPEs have gained more attention due to their extensive applications in electrochemical sensors, reactors, and proton-exchange membrane fuel cells [ 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

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Effect of High Ammonium Salt Concentration and Temperature on the Structure, Morphology, and Ionic Conductivity of Proton-Conductor Solid Polymer Electrolytes Based PVA

Saeed

Abdullah

2020

Membranes

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Polyvinyl alcohol (PVA) based proton-conducting solid polymer electrolyte was prepared with a high salt concentration of ammonium nitrate (NH4NO3) by the technique of solvent casting. From the X-ray diffraction studies, the semicrystalline nature of PVA with the inclusion of NH4NO3 was studied. XRD analysis indicates that the highest ion conductive sample exhibits the minimum crystalline nature. The decreasing trend of Jonscher-exponent with temperature rise reveals that the present system is insured by the correlated barrier hopping (CBH) model. The maximum room temperature conductivity was found to be 5.17 × 10−5 S/cm for PVA loaded 30 wt.% of NH4NO3. The ionic transport of the proton-conducting solid polymer electrolyte was studied at the temperature range of 303–353 K. The conductivity-temperature relationship of the systems was analyzed using both the Arrhenius and Vogel–Tammann–Fulcher (VTF) models to explain the ionic hopping mechanism for the system.

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“…The OLP model is applicable if the

value decreases with increasing temperature to a minimum value and then increases again with further increases in temperature. Finally, the QMT model implies that

is temperature independent [ 7 ]. The continuous decrease in the

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of High Ammonium Salt Concentration and Temperature on the Structure, Morphology, and Ionic Conductivity of Proton-Conductor Solid Polymer Electrolytes Based PVA

Saeed

Abdullah

2020

Membranes

Self Cite

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“…It is well reported that plasticizers and nano-fillers are significant for enhancing the ionic conductivity of PEs. The use of low molecular weight plasticizers such as glycerol [16], ethylene carbonates (EC) [17], and polyethylene glycol (PEG) [18] for CS-based PEs has been reported. Furthermore, the addition of nano-fillers such as Al 2 O 3 , TiO 2 , MgO, and ZrO 2 to PEs is one of the widespread techniques to augment ionic conductivity.…”

Section: Introductionmentioning

confidence: 99%

Electrical, Dielectric Property and Electrochemical Performances of Plasticized Silver Ion-Conducting Chitosan-Based Polymer Nanocomposites

et al. 2020

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In the present work, chitosan (CS) as a natural biopolymer was used to prepare nanocomposite polymer electrolytes (NCPEs) in order to reduce plastic waste pollution. The plasticized CS-based NCSPE has been prepared via the solution casting technique. The electrical properties of the films were investigated using AC conductivity, dielectric properties, electric modulus, and electrical impedance spectroscopy (EIS). The obtained results from the dielectric properties and electric modulus study confirm the non-Debye behavior of ion dynamics. The effect of glycerol plasticizer on ionic conductivity of the CS:AgNO3:Al2O3 system was investigated via AC conductivity and impedance studies. The conductivity of the samples was explained based on electrical equivalent circuits and Bode plots. The electrochemical properties such as transfer number measurement (TNM), linear sweep voltammetry (LSV), and cyclic voltammetry (CV) were carried out to inspect the sample suitability for electrochemical double-layer capacitor (EDLC) application. The highest conductivity was 3.7 × 10−4 S cm−1 with the electrochemical stability window up to 2.1 V at room temperature. Through the TNM study, the ionic conductivity of plasticized CS-based NCSPE was confirmed, and ion transport (tion) of the highest conducting sample was found to be 0.985. The activated carbon electrode with the highest conducting sample was employed in the EDLC device fabrication. Accordingly, it can be said that the highest conducting sample had capable performance to be applied in electrochemical device application.

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“…This is because the ions are mostly attached to the polymer chain during their movement in the segmental motion that is beneficial for the hopping process between the conduction sites [ 83 ]. The lowest relaxation time for the electrolyte with the highest concentration of glycerol verifies the faster ion dynamics within the system [ 84 ]. Vahini et al [ 85 ] also reported the low relaxation time, which was responsible for the high ionic conductivity value.…”

Section: Resultsmentioning

confidence: 99%

The Study of Plasticized Sodium Ion Conducting Polymer Blend Electrolyte Membranes Based on Chitosan/Dextran Biopolymers: Ion Transport, Structural, Morphological and Potential Stability

et al. 2021

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The polymer electrolyte system of chitosan/dextran-NaTf with various glycerol concentrations is prepared in this study. The electrical impedance spectroscopy (EIS) study shows that the addition of glycerol increases the ionic conductivity of the electrolyte at room temperature. The highest conducting plasticized electrolyte shows the maximum DC ionic conductivity of 6.10 × 10−5 S/cm. Field emission scanning electron microscopy (FESEM) is used to investigate the effect of plasticizer on film morphology. The interaction between the electrolyte components is confirmed from the existence of the O–H, C–H, carboxamide, and amine groups. The XRD study is used to determine the degree of crystallinity. The transport parameters of number density (n), ionic mobility (µ), and diffusion coefficient (D) of ions are determined using the percentage of free ions, due to the asymmetric vibration (υas(SO3)) and symmetric vibration (υs(SO3)) bands. The dielectric property and relaxation time are proved the non-Debye behavior of the electrolyte system. This behavior model is further verified by the existence of the incomplete semicircle arc from the Argand plot. Transference numbers of ion (tion) and electron (te) for the highest conducting plasticized electrolyte are identified to be 0.988 and 0.012, respectively, confirming that the ions are the dominant charge carriers. The tion value are used to further examine the contribution of ions in the values of the diffusion coefficient and mobility of ions. Linear sweep voltammetry (LSV) shows the potential window for the electrolyte is 2.55 V, indicating it to be a promising electrolyte for application in electrochemical energy storage devices.

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Effect of PEG as a plasticizer on the electrical and optical properties of polymer blend electrolyte MC-CH-LiBF4 based films

Cited by 66 publications

References 53 publications

Effect of High Ammonium Salt Concentration and Temperature on the Structure, Morphology, and Ionic Conductivity of Proton-Conductor Solid Polymer Electrolytes Based PVA

Effect of High Ammonium Salt Concentration and Temperature on the Structure, Morphology, and Ionic Conductivity of Proton-Conductor Solid Polymer Electrolytes Based PVA

Electrical, Dielectric Property and Electrochemical Performances of Plasticized Silver Ion-Conducting Chitosan-Based Polymer Nanocomposites

The Study of Plasticized Sodium Ion Conducting Polymer Blend Electrolyte Membranes Based on Chitosan/Dextran Biopolymers: Ion Transport, Structural, Morphological and Potential Stability

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