Structural behavior and ion dynamics of methylcellulose/tri-potassium phosphate-based solid biopolymeric electrolytes

Adam, Abdullahi Abbas; Soleimani, Hassan; Shukur, M. F.; Dennis, John Ojur; Abdulkadir, Bashir Abubakar; Hassan, Yarima Mudassir; Yusuf, Jemilat Yetunde; Shamsuri, Nurrul Asyiqin; Rahman, Mohammad Obaidur; Rafukka, Sagir Ilyasu

doi:10.1080/15421406.2022.2160901

Cited by 4 publications

(4 citation statements)

References 66 publications

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“…These findings imply that complexation between MC/PC, K 3 PO 4 , and glycerol improves the amorphous part of the polymer matrix, thus resulting in increased cation concentration and mobility throughout the amorphous regions of the polymer matrix. Complexation here occurs when free K + is dissociated from K 3 PO 4 salt to form cationic coordination with the oxygen atoms in the MC/PC polymer chain backbone's OH group through the Lewis acid-base interaction (i.e., K + -OH) [1]. Consequently, the amorphous structure of the electrolyte results in better conductivity via increasing ion diffusivity in the electrolyte.…”

Section: Xrd Studiesmentioning

confidence: 99%

“…The modulus spectroscopy graph could be used to distinguish components that have equal resistance but vary enormously in capacitance, as well as to determine the electrode's polarization, electrical conductivity, bulk behavior, and relaxation time [48]. Based on impedance records (Z r and Z i ), the complex dielectric modulus of MC/PC/K 3 PO 4 /glycerol, comprising imaginary (M i ) and real (M r ) parts, was calculated using the following equations [1]:…”

Section: Dielectric and Energy Modulus Studiesmentioning

confidence: 99%

“…However, the operation of these gadgets depends on their capacity to store energy effectively and to deliver power on demand. For instance, lithium-ion batteries (LIBs) are the most prominent energy-storing devices because they have an appreciably high energy density of around 150 to 200 Wh/Kg [1,2]. For this reason, LIBs are commonly used in hand-held electronic gadgets as well as aircraft and other vehicles that traditionally run on fossil fuels [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

“…To a greater extent, the architecture of many LIBs and other portable devices such as rechargeable batteries and supercapacitors means they are designed to operate on liquid electrolytes (LEs). However, liquid electrolytes are prone to pressure distortion and leakages, resulting in the release of hazardous compounds [1,8]. To minimize the reliance on LEs, researchers are currently putting more effort into producing solid polymer electrolytes (SPEs) because these solvent-free and non-flammable electrolytes are straightforward to deal with and can be solution-cast [9].…”

Section: Introductionmentioning

confidence: 99%

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Insight into the Effect of Glycerol on Dielectric Relaxation and Transport Properties of Potassium-Ion-Conducting Solid Biopolymer Electrolytes for Application in Solid-State Electrochemical Double-Layer Capacitor

et al. 2023

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The increased interest in the transition from liquid to solid polymer electrolytes (SPEs) has driven enormous research in the area polymer electrolyte technology. Solid biopolymer electrolytes (SBEs) are a special class of SPEs that are obtained from natural polymers. Recently, SBEs have been generating much attention because they are simple, inexpensive, and environmentally friendly. In this work, SBEs based on glycerol-plasticized methylcellulose/pectin/potassium phosphate (MC/PC/K3PO4) are investigated for their potential application in an electrochemical double-layer capacitor (EDLC). The structural, electrical, thermal, dielectric, and energy moduli of the SBEs were analyzed via X-ray diffractometry (XRD), Fourier transforms infrared spectroscopy (FTIR), electrochemical impedance spectroscopy (EIS), transference number measurement (TNM), and linear sweep voltammetry (LSV). The plasticizing effect of glycerol in the MC/PC/K3PO4/glycerol system was confirmed by the change in the intensity of the samples’ FTIR absorption bands. The broadening of the XRD peaks demonstrates that the amorphous component of SBEs increases with increasing glycerol concentration, while EIS plots demonstrate an increase in ionic conductivity with increasing plasticizer content owing to the formation of charge-transfer complexes and the expansion of amorphous domains in polymer electrolytes (PEs). The sample containing 50% glycerol has a maximal ionic conductivity of about 7.5 × 10−4 scm−1, a broad potential window of 3.99 V, and a cation transference number of 0.959 at room temperature. Using the cyclic voltammetry (CV) test, the EDLC constructed from the sample with the highest conductivity revealed a capacitive characteristic. At 5 mVs−1, a leaf-shaped profile with a specific capacitance of 57.14 Fg−1 was measured based on the CV data.

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Section: Xrd Studiesmentioning

confidence: 99%

Section: Dielectric and Energy Modulus Studiesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Insight into the Effect of Glycerol on Dielectric Relaxation and Transport Properties of Potassium-Ion-Conducting Solid Biopolymer Electrolytes for Application in Solid-State Electrochemical Double-Layer Capacitor

et al. 2023

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Investigating electrical and dielectric characteristics of sodium chloride-based biodegradable polymer blend electrolytes for sustainable energy storage technology

Aziz,

Abdulwahid,

Tahir

et al. 2024

Solid State Ionics

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Energy Storage Performance of Plasticized PVA-Based Electrolyte: Electrical and Electrochemical Properties

Aziz,

Abdullah,

Aziz

et al. 2024

ACS Appl. Electron. Mater.

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The substitution of liquid electrolytes with solid biomaterials has generated considerable interest. This research focuses on exploring plasticized SPEs composed of poly(vinyl alcohol)/lithium perchlorate (PVA/LiClO 4 ) with different concentrations of glycerol (Gly). The main objective is to assess their potential application in electrochemical double-layer capacitors (EDLCs). To achieve this, the electrical, dielectric, and energyrelated characteristics of the plasticized solid polymer electrolytes (SPEs) were thoroughly investigated using advanced techniques. EIS findings revealed an increasing trend in the ionic conductivity of the plasticized SPEs as the amount of plasticizer was increased, reaching an optimum value of 2.51 × 10 −5 S/cm. The reason behind the enhanced ionic conductivity of the plasticized SPEs lies in the creation of charge-transfer complexes and the enlargement of amorphous regions within the SPE matrix. At room temperature, the sample containing 30% Gly displayed the highest ionic conductivity among the tested samples with a relaxation time of 9.24 × 10 −6 S. Furthermore, the plasticized SPE displayed a broad potential window of 2.27 V, demonstrating its capacity to withstand a wide range of voltages. Moreover, it exhibited a cation transference number of 0.984, indicating efficient cation transport within the electrolyte. The SPE film with the uppermost conductivity was used to construct EDLC, which has a capacitance of 17.5 F/g from the GCD test and good performance stability in terms of energy and power densities.

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Structural behavior and ion dynamics of methylcellulose/tri-potassium phosphate-based solid biopolymeric electrolytes

Cited by 4 publications

References 66 publications

Insight into the Effect of Glycerol on Dielectric Relaxation and Transport Properties of Potassium-Ion-Conducting Solid Biopolymer Electrolytes for Application in Solid-State Electrochemical Double-Layer Capacitor

Insight into the Effect of Glycerol on Dielectric Relaxation and Transport Properties of Potassium-Ion-Conducting Solid Biopolymer Electrolytes for Application in Solid-State Electrochemical Double-Layer Capacitor

Investigating electrical and dielectric characteristics of sodium chloride-based biodegradable polymer blend electrolytes for sustainable energy storage technology

Energy Storage Performance of Plasticized PVA-Based Electrolyte: Electrical and Electrochemical Properties

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