This page has only limited features, please log in for full access.
This work presents a report on the preparation of plasticized polyvinyl alcohol PVA-based polymer electrolytes using solution cast technique and their characteristics using a number of electrochemical techniques. Electrical impedance spectroscopy (EIS), linear sweep voltammetry (LSV), and transfer number measurement (TNM) techniques were examined on the prepared films to determine the conductivity, decomposition voltage and ion transference number, respectively. The cyclic voltammetry (CV) and charge-discharging measurements were implemented on an assembled EDLC device to estimate the charge storage process and evaluate the device performance, respectively. The EIS was employed for measuring the direct current (DC) electrical conductivity of the films and calculating the ion transport parameters. The CV and charge-discharging responses were used to estimate the capacitance and stability, respectively. The influence of plasticization on the polymer electrolytes was investigated in terms of electrochemical properties. The TNM measurements were used to determine te and tion respectively. The obtained ionic transference number, tion for the electrolytes incorporated with 40 wt.% and 50 wt.% of glycerol content were found to be 0.969 and 0.944, respectively. The LSV study was used to identify the decomposition voltage of the sample. The absence of redox peaks was proved via CV technique, indicating the mechanism of the charge storing process that comprised ion accumulation at the interfacial region. The initial specific capacitance (Cs) of the fabricated EDLC displayed the value of 152.4 F/g.
Shujahadeen B. Aziz; Ahmad S.F.M. Asnawi; Rebar T. Abdulwahid; Hewa O. Ghareeb; Saad M. Alshehri; Tansir Ahamad; Jihad M. Hadi; M.F.Z. Kadir. Design of potassium ion conducting PVA based polymer electrolyte with improved ion transport properties for EDLC device application. Journal of Materials Research and Technology 2021, 13, 933 -946.
AMA StyleShujahadeen B. Aziz, Ahmad S.F.M. Asnawi, Rebar T. Abdulwahid, Hewa O. Ghareeb, Saad M. Alshehri, Tansir Ahamad, Jihad M. Hadi, M.F.Z. Kadir. Design of potassium ion conducting PVA based polymer electrolyte with improved ion transport properties for EDLC device application. Journal of Materials Research and Technology. 2021; 13 ():933-946.
Chicago/Turabian StyleShujahadeen B. Aziz; Ahmad S.F.M. Asnawi; Rebar T. Abdulwahid; Hewa O. Ghareeb; Saad M. Alshehri; Tansir Ahamad; Jihad M. Hadi; M.F.Z. Kadir. 2021. "Design of potassium ion conducting PVA based polymer electrolyte with improved ion transport properties for EDLC device application." Journal of Materials Research and Technology 13, no. : 933-946.
A facile and efficient methodology was implemented in preparation of plasticized polymer electrolyte with polymer blend of chitosan and dextran from leuconostocmesenteroides impregnated with magnesium acetate using solution cast technique. A number of electrochemical techniques were applied in the characterization of the blend polymer electrolyte, such as cyclic voltammetry (CV), linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS), and transference number measurement (TNM). Field emission scanning electron microscopy (FESEM) is used in morphological investigation of impact of plasticizer on films. The X-ray diffraction (XRD) patterns of the plasticized doped samples have shown a significant enhancement in their amorphous nature compared to the pure sample. From the CV, the capacitive behavior of the polymer blend electrolyte was proved. The decomposition potential of the polymer blend electrolyte is determined to be 1.5 V using LSV. The ion transference number (tion) was calculated and found to be 0.979, confirming dominancy of ion conduction in the polymer blend electrolyte system. It is found that ionic conductivity can be enhanced via adding glycerol as plasticizer, which supported the obtained results from both FESEM and XRD studies. To evaluate the EDLC assembly, the specific capacitance was measured as 25.377 F/g using CV curve, with energy and power densities of 7.59 Wh/kg and 520.8 W/kg, respectively.
Rebar T. Abdulwahid; Shujahadeen B. Aziz; M. A. Brza; M. F. Z. Kadir; Wrya O. Karim; H. M. Hamsan; Ahmad S. F. M. Asnawi; Ranjdar M. Abdullah; Muaffaq M. Nofal; Elham M. A. Dannoun. Electrochemical performance of polymer blend electrolytes based on chitosan: dextran: impedance, dielectric properties, and energy storage study. Journal of Materials Science: Materials in Electronics 2021, 32, 14846 -14862.
AMA StyleRebar T. Abdulwahid, Shujahadeen B. Aziz, M. A. Brza, M. F. Z. Kadir, Wrya O. Karim, H. M. Hamsan, Ahmad S. F. M. Asnawi, Ranjdar M. Abdullah, Muaffaq M. Nofal, Elham M. A. Dannoun. Electrochemical performance of polymer blend electrolytes based on chitosan: dextran: impedance, dielectric properties, and energy storage study. Journal of Materials Science: Materials in Electronics. 2021; 32 (11):14846-14862.
Chicago/Turabian StyleRebar T. Abdulwahid; Shujahadeen B. Aziz; M. A. Brza; M. F. Z. Kadir; Wrya O. Karim; H. M. Hamsan; Ahmad S. F. M. Asnawi; Ranjdar M. Abdullah; Muaffaq M. Nofal; Elham M. A. Dannoun. 2021. "Electrochemical performance of polymer blend electrolytes based on chitosan: dextran: impedance, dielectric properties, and energy storage study." Journal of Materials Science: Materials in Electronics 32, no. 11: 14846-14862.
The current work shows the preparation of plasticized chitosan-magnesium acetate Mg(CH3COO)2-based polymer electrolyte dispersed with nickel (Ni) metal complexes via solution casting. Investigations of electrical and electrochemical properties of the prepared polymer composite electrolyte were carried out. The structural and optical properties of the samples were studied using X-ray diffraction (XRD) and UV-Vis spectroscopy techniques. The structural and optical outcomes revealed a clear enhancement in both absorbance and amorphous nature of the samples upon the addition of Ni metal complexes. Through the simulation of impedance data, various ion transport parameters were calculated. The electrochemical performance of the sample was examined by means of transference number measurement (TNM), linear sweep voltammetry (LSV) and cyclic voltammetry (CV) measurements. The TNM analysis confirmed the dominance of ions as the main charge carrier in the electrolyte with tion of (0.96) compared to only (0.04) for tel. The present electrolyte was stable in the range of 0 V to 2.4 V, which was obtained from linear sweep voltammetry (LSV). A result from CV proved that the electrical double-layer capacitor (EDLC) has a capacitive behavior as no redox peaks could be observed. The presence of Ni improved the charge–discharge cycle of the EDLC due to its amorphous behavior. The average performances of the EDLC were recorded as 41.7 F/g, 95%, 5.86 Wh/kg and 628 W/kg for specific capacitance, coulombic efficiency, energy and power densities, respectively. The fabricated EDLC device was found to be stable up to 1000 cycles.
Shujahadeen Aziz; Elham Dannoun; M. Hamsan; Rebar Abdulwahid; Kuldeep Mishra; Muaffaq Nofal; M. Kadir. Improving EDLC Device Performance Constructed from Plasticized Magnesium Ion Conducting Chitosan Based Polymer Electrolytes via Metal Complex Dispersion. Membranes 2021, 11, 289 .
AMA StyleShujahadeen Aziz, Elham Dannoun, M. Hamsan, Rebar Abdulwahid, Kuldeep Mishra, Muaffaq Nofal, M. Kadir. Improving EDLC Device Performance Constructed from Plasticized Magnesium Ion Conducting Chitosan Based Polymer Electrolytes via Metal Complex Dispersion. Membranes. 2021; 11 (4):289.
Chicago/Turabian StyleShujahadeen Aziz; Elham Dannoun; M. Hamsan; Rebar Abdulwahid; Kuldeep Mishra; Muaffaq Nofal; M. Kadir. 2021. "Improving EDLC Device Performance Constructed from Plasticized Magnesium Ion Conducting Chitosan Based Polymer Electrolytes via Metal Complex Dispersion." Membranes 11, no. 4: 289.
In the current study, polymer nanocomposites (NCPs) based on poly (vinyl alcohol) (PVA) with altered refractive index and absorption edge were synthesized by means of a solution cast technique. The characterization techniques of UV–Vis spectroscopy and XRD were used to inspect the structural and optical properties of the prepared films. The XRD patterns of the doped samples have shown clear amendments in the structural properties of the PVA host polymer. Various optical parameters were studied to get more insights about the influence of CeO2 on optical properties of PVA. On the insertion of CeO2 nanoparticles (NPs) into the PVA matrix, the absorption edge was found to move to reduced photon energy sides. It was concluded that the CeO2 nanoparticles can be used to tune the refractive index (n) of the host polymer, and it reached up to 1.93 for 7 wt.% of CeO2 content. A detailed study of the bandgap (BG) was conducted using two approaches. The outcomes have confirmed the impact of the nanofiller on the BG reduction of the host polymer. The results of the optical BG study highlighted that it is crucial to address the ε” parameter during the BG analysis, and it is considered as a useful tool to specify the type of electronic transitions. Finally, the dispersion region of n is conferred in terms of the Wemple–DiDomenico single oscillator model.
Shujahadeen Aziz; Elham Dannoun; Dana Tahir; Sarkawt Hussen; Rebar Abdulwahid; Muaffaq Nofal; Ranjdar M. Abdullah; Ahang M. Hussein; Iver Brevik. Synthesis of PVA/CeO2 Based Nanocomposites with Tuned Refractive Index and Reduced Absorption Edge: Structural and Optical Studies. Materials 2021, 14, 1570 .
AMA StyleShujahadeen Aziz, Elham Dannoun, Dana Tahir, Sarkawt Hussen, Rebar Abdulwahid, Muaffaq Nofal, Ranjdar M. Abdullah, Ahang M. Hussein, Iver Brevik. Synthesis of PVA/CeO2 Based Nanocomposites with Tuned Refractive Index and Reduced Absorption Edge: Structural and Optical Studies. Materials. 2021; 14 (6):1570.
Chicago/Turabian StyleShujahadeen Aziz; Elham Dannoun; Dana Tahir; Sarkawt Hussen; Rebar Abdulwahid; Muaffaq Nofal; Ranjdar M. Abdullah; Ahang M. Hussein; Iver Brevik. 2021. "Synthesis of PVA/CeO2 Based Nanocomposites with Tuned Refractive Index and Reduced Absorption Edge: Structural and Optical Studies." Materials 14, no. 6: 1570.
This report presents the preparation of plasticized sodium ion-conducting polymer electrolytes based on polyvinyl alcohol (PVA)via solution cast technique. The prepared plasticized polymer electrolytes were utilized in the device fabrication of electrical double-layer capacitors (EDLCs). On an assembly EDLC system, cyclic voltammetry (CV), electrical impedance spectroscopy (EIS), linear sweep voltammetry (LSV), transfer number measurement (TNM) and charge–discharging responses were performed. The influence of plasticization on polymer electrolytes was investigated in terms of electrochemical properties applying EIS and TNM. The EIS was fitted with electrical equivalent circuit (EEC) models and ion transport parameters were estimated with the highest conductivity of 1.17 × 10−3 S cm−1 was recorded. The CV and charge-discharging responses were used to evaluate the capacitance and the equivalent series resistance (ESR), respectively. The ESR of the highest conductive sample was found to be 91.2 Ω at the first cycle, with the decomposition voltage of 2.12 V. The TNM measurement has shown the dominancy of ions with tion = 0.982 for the highest conducting sample. The absence of redox peaks was proved via CV, indicating the charge storing process that comprised ion accumulation at the interfacial region. The fabricated EDLC device is stable for up to 400 cycles. At the first cycle, a high specific capacitance of 169 F/g, an energy density of 19 Wh/kg, and a power density of 600 W/kg were obtained.
Shujahadeen Aziz; Muaffaq Nofal; Rebar Abdulwahid; Hewa O. Ghareeb; Elham Dannoun; Ranjdar M. Abdullah; M. Hamsan; M. Kadir. Plasticized Sodium-Ion Conducting PVA Based Polymer Electrolyte for Electrochemical Energy Storage—EEC Modeling, Transport Properties, and Charge-Discharge Characteristics. Polymers 2021, 13, 803 .
AMA StyleShujahadeen Aziz, Muaffaq Nofal, Rebar Abdulwahid, Hewa O. Ghareeb, Elham Dannoun, Ranjdar M. Abdullah, M. Hamsan, M. Kadir. Plasticized Sodium-Ion Conducting PVA Based Polymer Electrolyte for Electrochemical Energy Storage—EEC Modeling, Transport Properties, and Charge-Discharge Characteristics. Polymers. 2021; 13 (5):803.
Chicago/Turabian StyleShujahadeen Aziz; Muaffaq Nofal; Rebar Abdulwahid; Hewa O. Ghareeb; Elham Dannoun; Ranjdar M. Abdullah; M. Hamsan; M. Kadir. 2021. "Plasticized Sodium-Ion Conducting PVA Based Polymer Electrolyte for Electrochemical Energy Storage—EEC Modeling, Transport Properties, and Charge-Discharge Characteristics." Polymers 13, no. 5: 803.
A series of alternating copolymers containing cyclopentadithiophene (CPDT) flanked by thienyl moieties as electron-donor units and benzothiadiazole dicarboxylic imide (BTDI) as electron-acceptor units were designed and synthesized for solar cell applications. Different solubilizing side chains, including 2-ethylhexyl chains and n-octyl chains were attached to CPDT units, whereas 3,7-dimethyloctyl chains and n-octyl chains were anchored to the BTDI moieties. The impact of these substituents on the solubilities, molecular weights, optical and electrochemical properties, and thermal and structural properties of the resulting polymers was investigated. PCPDTDTBTDI-EH, DMO was synthesized via Suzuki polymerization, whereas PCPDTDTBTDI-8, DMO, and PCPDTDTBTDI-EH, 8 were prepared through direct arylation polymerization. PCPDTDTBTDI-8, DMO has the highest number average molecular weight (Mn = 17,400 g mol−1) among all polymers prepared. The PCPDTDTBTDI-8, DMO and PCPDTDTBTDI-8, 8 which have n-octyl substituents on their CPDT units have comparable optical band gaps (Eg ~ 1.3 eV), which are around 0.1 eV lower than PCPDTDTBTDI-EH, DMO analogues that have 2-ethylhexyl substituents on their CPDT units. The polymers have their HOMO levels between −5.10 and −5.22 eV with PCPDTDTBTDI-EH, DMO having the deepest highest occupied molecular orbital (HOMO) energy level. The lowest unoccupied molecular orbital (LUMO) levels of the polymers are between −3.4 and −3.5 eV. All polymers exhibit good thermal stability with decomposition temperatures surpassing 350 °C. Powder X-ray diffraction (XRD) studies have shown that all polymers have the amorphous nature in solid state.
Ary R. Murad; Ahmed Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Mohamad A. Brza; Salah R. Saeed; Rebar T. Abdulwahid. Fabrication of Alternating Copolymers Based on Cyclopentadithiophene-Benzothiadiazole Dicarboxylic Imide with Reduced Optical Band Gap: Synthesis, Optical, Electrochemical, Thermal, and Structural Properties. Polymers 2020, 13, 63 .
AMA StyleAry R. Murad, Ahmed Iraqi, Shujahadeen B. Aziz, Sozan N. Abdullah, Mohamad A. Brza, Salah R. Saeed, Rebar T. Abdulwahid. Fabrication of Alternating Copolymers Based on Cyclopentadithiophene-Benzothiadiazole Dicarboxylic Imide with Reduced Optical Band Gap: Synthesis, Optical, Electrochemical, Thermal, and Structural Properties. Polymers. 2020; 13 (1):63.
Chicago/Turabian StyleAry R. Murad; Ahmed Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Mohamad A. Brza; Salah R. Saeed; Rebar T. Abdulwahid. 2020. "Fabrication of Alternating Copolymers Based on Cyclopentadithiophene-Benzothiadiazole Dicarboxylic Imide with Reduced Optical Band Gap: Synthesis, Optical, Electrochemical, Thermal, and Structural Properties." Polymers 13, no. 1: 63.
In this work four novel donor-acceptor copolymers, PCDTBTDI-DMO, PCDTBTDI-8, P2F-CDTBTDI-DMO and P2F-CDTBTDI-8, were designed and synthesised via Suzuki polymerisation. The first two copolymers consist of 2,7-carbazole flanked by thienyl moieties as the electron donor unit and benzothiadiazole dicarboxylic imide (BTDI) as electron acceptor units. In the structures of P2F-CDTBTDI-DMO and P2F-CDTBTDI-8 copolymers, two fluorine atoms were incorporated at 3,6-positions of 2,7-carbazole to investigate the impact of fluorine upon the optoelectronic, structural and thermal properties of the resulting polymers. P2F-CDTBTDI-8 possesses the highest number average molecular weight (Mn = 24,200 g mol−1) among all the polymers synthesised. PCDTBTDI-DMO and PCDTBTDI-8 show identical optical band gaps of 1.76 eV. However, the optical band gaps of fluorinated copolymers are slightly higher than non-fluorinated counterparts. All polymers have deep-lying highest occupied molecular orbital (HOMO) levels. Changing the alkyl chain substituents on BTDI moieties from linear n-octyl to branched 3,7-dimethyloctyl groups as well as substituting the two hydrogen atoms at 3,6-positions of carbazole unit by fluorine atoms has negligible impact on the HOMO levels of the polymers. Similarly, the lowest unoccupied molecular orbital (LUMO) energy levels are almost comparable for all polymers. Thermogravimetric analysis (TGA) has shown that all polymers have good thermal stability and also confirmed that the fluorinated copolymers have higher thermal stability relative to those non-fluorinated analogues. Powder X-ray diffraction (XRD) studies proved that all polymers have an amorphous nature in the solid state.
Ary R. Murad; Ahmed Iraqi; Shujahadeen B. Aziz; Hunan Hi; Sozan N. Abdullah; M. A. Brza; Rebar T. Abdulwahid. Influence of Fluorine Substitution on the Optical, Thermal, Electrochemical and Structural Properties of Carbazole-Benzothiadiazole Dicarboxylic Imide Alternate Copolymers. Polymers 2020, 12, 2910 .
AMA StyleAry R. Murad, Ahmed Iraqi, Shujahadeen B. Aziz, Hunan Hi, Sozan N. Abdullah, M. A. Brza, Rebar T. Abdulwahid. Influence of Fluorine Substitution on the Optical, Thermal, Electrochemical and Structural Properties of Carbazole-Benzothiadiazole Dicarboxylic Imide Alternate Copolymers. Polymers. 2020; 12 (12):2910.
Chicago/Turabian StyleAry R. Murad; Ahmed Iraqi; Shujahadeen B. Aziz; Hunan Hi; Sozan N. Abdullah; M. A. Brza; Rebar T. Abdulwahid. 2020. "Influence of Fluorine Substitution on the Optical, Thermal, Electrochemical and Structural Properties of Carbazole-Benzothiadiazole Dicarboxylic Imide Alternate Copolymers." Polymers 12, no. 12: 2910.
The polymer electrolyte based on Dx:Cs:Mg(CH3COO)2:Ni with three different glycerol concentrations have been prepared. The impedance study has verified that the electrolyte with 42 wt.% of glycerol (A3) has the highest ionic conductivity of 7.71 × 10−6 S cm−1 at room temperature. The ionic conductivity is found to be influenced by the transport parameters. From the dielectric analysis, it was shown that the electrolytes in this system obeyed the non-Debye behavior. The A3 electrolyte exhibited a dominancy of ions (tion > te) with a breakdown voltage of 2.08 V. The fabricated electrochemical double layer capacitor (EDLC) achieved the specific capacitance values of 24.46 F/g and 39.68 F/g via the cyclic voltammetry (CV) curve and the charge–discharge profile, respectively. The other significant parameters to evaluate the performance of EDLC have been determined, such as internal resistance (186.80 to 202.27 Ω) energy density (4.46 Wh/kg), power density (500.58 to 558.57 W/kg) and efficiency (92.88%).
Ahmad S. F. M. Asnawi; Shujahadeen B. Aziz; Salah R. Saeed; Yuhanees M. Yusof; Rebar T. Abdulwahid; Shakhawan Al-Zangana; Wrya O. Karim; Mohd. F. Z. Kadir. Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics. Membranes 2020, 10, 389 .
AMA StyleAhmad S. F. M. Asnawi, Shujahadeen B. Aziz, Salah R. Saeed, Yuhanees M. Yusof, Rebar T. Abdulwahid, Shakhawan Al-Zangana, Wrya O. Karim, Mohd. F. Z. Kadir. Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics. Membranes. 2020; 10 (12):389.
Chicago/Turabian StyleAhmad S. F. M. Asnawi; Shujahadeen B. Aziz; Salah R. Saeed; Yuhanees M. Yusof; Rebar T. Abdulwahid; Shakhawan Al-Zangana; Wrya O. Karim; Mohd. F. Z. Kadir. 2020. "Solid-State EDLC Device Based on Magnesium Ion-Conducting Biopolymer Composite Membrane Electrolytes: Impedance, Circuit Modeling, Dielectric Properties and Electrochemical Characteristics." Membranes 10, no. 12: 389.
Plasticized lithium-ion-based-conducting polymer blend electrolytes based on poly(vinyl alcohol) (PVA):chitosan (CS) polymer was prepared using a solution cast technique. The conductivity of the polymer electrolyte system was found to be 8.457 × 10−4 S/cm, a critical factor for electrochemical device applications. It is indicated that the number density (n), diffusion coefficient (D), and mobility (μ) of ions are increased with the concentration of glycerol. High values of dielectric constant and dielectric loss were observed at low frequency region. A correlation was found between the dielectric constant and DC conductivity. The achieved transference number of ions (tion) and electrons (te) for the highest conducting plasticized sample were determined to be 0.989 and 0.011, respectively. The electrochemical stability for the highest conducting sample was 1.94 V, indicated by linear sweep voltammetry (LSV). The cyclic voltammetry (CV) response displayed no redox reaction peaks through its entire potential range. Through the constructing electric double-layer capacitor, the energy storage capacity of the highest conducting sample was investigated. All decisive parameters of the EDLC were determined. At the first cycle, the specific capacitance, internal resistance, energy density, and power density were found to be 130 F/g, 80 Ω, 14.5 Wh/kg, and 1100 W/kg, respectively.
Mohamad Brza; Shujahadeen B. Aziz; Salah Raza Saeed; Muhamad H. Hamsan; Siti Rohana Majid; Rebar T. Abdulwahid; Mohd F. Z. Kadir; Ranjdar M. Abdullah. Energy Storage Behavior of Lithium-Ion Conducting poly(vinyl alcohol) (PVA): Chitosan(CS)-Based Polymer Blend Electrolyte Membranes: Preparation, Equivalent Circuit Modeling, Ion Transport Parameters, and Dielectric Properties. Membranes 2020, 10, 381 .
AMA StyleMohamad Brza, Shujahadeen B. Aziz, Salah Raza Saeed, Muhamad H. Hamsan, Siti Rohana Majid, Rebar T. Abdulwahid, Mohd F. Z. Kadir, Ranjdar M. Abdullah. Energy Storage Behavior of Lithium-Ion Conducting poly(vinyl alcohol) (PVA): Chitosan(CS)-Based Polymer Blend Electrolyte Membranes: Preparation, Equivalent Circuit Modeling, Ion Transport Parameters, and Dielectric Properties. Membranes. 2020; 10 (12):381.
Chicago/Turabian StyleMohamad Brza; Shujahadeen B. Aziz; Salah Raza Saeed; Muhamad H. Hamsan; Siti Rohana Majid; Rebar T. Abdulwahid; Mohd F. Z. Kadir; Ranjdar M. Abdullah. 2020. "Energy Storage Behavior of Lithium-Ion Conducting poly(vinyl alcohol) (PVA): Chitosan(CS)-Based Polymer Blend Electrolyte Membranes: Preparation, Equivalent Circuit Modeling, Ion Transport Parameters, and Dielectric Properties." Membranes 10, no. 12: 381.
In this work three novel phthalate-based thermocleavable copolymers, PBTP-11, PBTDTP-11 and PFDTP-11 have been designed and synthesized. PBTP-11 and PBTDTP-11 were prepared by copolymerizing distannylated bithiophene without or with flanked thienyl groups as the electron-donor units with dibrominated secondary phthalate ester as the electron-acceptor units. PFDTP-11 was prepared by copolymerizing distannylated fluorene flanked by thienyl groups as the electron-donor moieties with dibrominated secondary phthalate ester as the electron-acceptor moieties. All polymers were prepared via the Stille polymerization. The impact of two different electron-donor units on the solubility, molecular weights, optical properties, thermal and structural properties of the resulting polymers were investigated. PFDTP-11 had the highest average molecular weight (Mn = 16,400 g mol−1). The polymers had Eg in the range of 2.11–2.58 eV. After thermal treatment, the Eg of the polymers were reduced by around 0.3–0.4 eV. This significant control over bandgap is promising and opens a gate towards commercializing these copolymers in energy harvesting devices such as solar cells. TGA data showed weight loss at around 300 °C, corresponding to the elimination of the secondary ester groups. After annealing, the soluble precursor polymers were transformed into active phthalic anhydride polymers and the resulting films were completely insoluble in all solvents, which shows good stability. Powder XRD studies showed that all polymers have an amorphous nature in the solid state, and therefore can be employed as electrolytes in energy devices.
Ary R. Murad; A. Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Rebar T. Abdulwahid. Synthesis, Optical, Thermal and Structural Characteristics of Novel Thermocleavable Polymers Based on Phthalate Esters. Polymers 2020, 12, 2791 .
AMA StyleAry R. Murad, A. Iraqi, Shujahadeen B. Aziz, Sozan N. Abdullah, Rebar T. Abdulwahid. Synthesis, Optical, Thermal and Structural Characteristics of Novel Thermocleavable Polymers Based on Phthalate Esters. Polymers. 2020; 12 (12):2791.
Chicago/Turabian StyleAry R. Murad; A. Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Rebar T. Abdulwahid. 2020. "Synthesis, Optical, Thermal and Structural Characteristics of Novel Thermocleavable Polymers Based on Phthalate Esters." Polymers 12, no. 12: 2791.
In this work, four donor–acceptor copolymers, PFDTBTDI-DMO, PFDTBTDI-8, PDBSDTBTDI-DMO, and PDBSDTBTDI-8, based on alternating 2,7-fluorene or 2,7-dibenzosilole flanked by thienyl units, as electron-donor moieties and benzothiadiazole dicarboxylic imide (BTDI) as electron-accepting units, have been designed and synthesized for photovoltaic applications. All polymers were synthesized in good yields via Suzuki polymerization. The impact of attaching two different alkyl chains (3,7-dimethyloctyl vs. n-octyl) to the BTDI units upon the solubilities, molecular weights, optical and electrochemical properties, and thermal and structural properties of the resulting polymers was investigated. PFDTBTDI-8 has the highest number average molecular weight (Mn = 24,900 g·mol−1) among all polymers prepared. Dibenzosilole-based polymers have slightly lower optical band gaps relative to their fluorene-based analogues. All polymers displayed deep-lying HOMO levels. Their HOMO energy levels are unaffected by the nature of either the alkyl substituents or the donor moieties. Similarly, the LUMO levels are almost identical for all polymers. All polymers exhibit excellent thermal stability with Td exceeding 350 °C. X-ray powder diffraction (XRD) studies have shown that all polymers have an amorphous nature in the solid state.
Ary R. Murad; A. Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Rebar T. Abdulwahid; Sarkawt A. Hussen. Optical, Electrochemical, Thermal, and Structural Properties of Synthesized Fluorene/Dibenzosilole-Benzothiadiazole Dicarboxylic Imide Alternating Organic Copolymers for Photovoltaic Applications. Coatings 2020, 10, 1147 .
AMA StyleAry R. Murad, A. Iraqi, Shujahadeen B. Aziz, Sozan N. Abdullah, Rebar T. Abdulwahid, Sarkawt A. Hussen. Optical, Electrochemical, Thermal, and Structural Properties of Synthesized Fluorene/Dibenzosilole-Benzothiadiazole Dicarboxylic Imide Alternating Organic Copolymers for Photovoltaic Applications. Coatings. 2020; 10 (12):1147.
Chicago/Turabian StyleAry R. Murad; A. Iraqi; Shujahadeen B. Aziz; Sozan N. Abdullah; Rebar T. Abdulwahid; Sarkawt A. Hussen. 2020. "Optical, Electrochemical, Thermal, and Structural Properties of Synthesized Fluorene/Dibenzosilole-Benzothiadiazole Dicarboxylic Imide Alternating Organic Copolymers for Photovoltaic Applications." Coatings 10, no. 12: 1147.
In this study, biopolymer composite electrolytes based on chitosan:ammonium iodide:Zn(II)-complex plasticized with glycerol were successfully prepared using the solution casting technique. Various electrical and electrochemical parameters of the biopolymer composite electrolytes’ films were evaluated prior to device application. The highest conducting plasticized membrane was found to have a conductivity of 1.17 × 10−4 S/cm. It is shown that the number density, mobility, and diffusion coefficient of cations and anions fractions are increased with the glycerol amount. Field emission scanning electron microscope and Fourier transform infrared spectroscopy techniques are used to study the morphology and structure of the films. The non-Debye type of relaxation process was confirmed from the peak appearance of the dielectric relaxation study. The obtained transference number of ions (cations and anions) and electrons for the highest conducting sample were identified to be 0.98 and 0.02, respectively. Linear sweep voltammetry shows that the electrochemical stability of the highest conducting plasticized system is 1.37 V. The cyclic voltammetry response displayed no redox reaction peaks over its entire potential range. It was discovered that the addition of Zn(II)-complex and glycerol plasticizer improved the electric double-layer capacitor device performances. Numerous crucial parameters of the electric double-layer capacitor device were obtained from the charge-discharge profile. The prepared electric double-layer capacitor device showed that the initial values of specific capacitance, equivalence series resistance, energy density, and power density are 36 F/g, 177 Ω, 4.1 Wh/kg, and 480 W/kg, respectively.
Jihad M. Hadi; Shujahadeen B. Aziz; Salah R. Saeed; Mohamad A. Brza; Rebar T. Abdulwahid; Muhamad H. Hamsan; Ranjdar M. Abdullah; Mohd F. Z. Kadir; S. K. Muzakir. Investigation of Ion Transport Parameters and Electrochemical Performance of Plasticized Biocompatible Chitosan-Based Proton Conducting Polymer Composite Electrolytes. Membranes 2020, 10, 363 .
AMA StyleJihad M. Hadi, Shujahadeen B. Aziz, Salah R. Saeed, Mohamad A. Brza, Rebar T. Abdulwahid, Muhamad H. Hamsan, Ranjdar M. Abdullah, Mohd F. Z. Kadir, S. K. Muzakir. Investigation of Ion Transport Parameters and Electrochemical Performance of Plasticized Biocompatible Chitosan-Based Proton Conducting Polymer Composite Electrolytes. Membranes. 2020; 10 (11):363.
Chicago/Turabian StyleJihad M. Hadi; Shujahadeen B. Aziz; Salah R. Saeed; Mohamad A. Brza; Rebar T. Abdulwahid; Muhamad H. Hamsan; Ranjdar M. Abdullah; Mohd F. Z. Kadir; S. K. Muzakir. 2020. "Investigation of Ion Transport Parameters and Electrochemical Performance of Plasticized Biocompatible Chitosan-Based Proton Conducting Polymer Composite Electrolytes." Membranes 10, no. 11: 363.
In this work, plasticized polymer electrolyte films consisting of chitosan, ammonium nitrate (NH4NO3) and glycerol for utilization in energy storage devices was presented. Various microscopic, spectroscopic and electrochemical techniques were used to characterize the concerned electrolyte and the electrical double-layer capacitor (EDLC) assembly. The nature of complexation between the polymer electrolyte components was examined via X-ray diffraction analysis. In the morphological study, field emission scanning electron microscopy (FESEM) was used to investigate the impact of glycerol as a plasticizer on the morphology of films. The polymer electrolyte (conducting membrane) was found to have a conductivity of 3.21 × 10−3 S/cm. It is indicated that the number density (n), mobility (μ) and diffusion coefficient (D) of ions are increased with the glycerol amount. The mechanism of charge storing was clarified, which implies a non-Faradaic process. The voltage window of the polymer electrolyte is 2.32 V. It was proved that the ion is responsible for charge-carrying via measuring the transference number (TNM). It was also determined that the internal resistance of the EDLC assembly lay between 39 and 50 Ω. The parameters associated with the EDLC assembly are of great importance and the specific capacitance (Cspe) was determined to be almost constant over 1 to 1000 cycles with an average of 124 F/g. Other decisive parameters were found: energy density (18 Wh/kg) and power density (2700 W/kg).
Shujahadeen B. Aziz; M. A. Brza; Iver Brevik; M. H. Hamsan; Rebar T. Abdulwahid; S. R. Majid; M. F. Z. Kadir; Sarkawt A. Hussen; Ranjdar M. Abdullah. Characteristics of Glycerolized Chitosan: NH4NO3-Based Polymer Electrolyte for Energy Storage Devices with Extremely High Specific Capacitance and Energy Density Over 1000 Cycles. Polymers 2020, 12, 2718 .
AMA StyleShujahadeen B. Aziz, M. A. Brza, Iver Brevik, M. H. Hamsan, Rebar T. Abdulwahid, S. R. Majid, M. F. Z. Kadir, Sarkawt A. Hussen, Ranjdar M. Abdullah. Characteristics of Glycerolized Chitosan: NH4NO3-Based Polymer Electrolyte for Energy Storage Devices with Extremely High Specific Capacitance and Energy Density Over 1000 Cycles. Polymers. 2020; 12 (11):2718.
Chicago/Turabian StyleShujahadeen B. Aziz; M. A. Brza; Iver Brevik; M. H. Hamsan; Rebar T. Abdulwahid; S. R. Majid; M. F. Z. Kadir; Sarkawt A. Hussen; Ranjdar M. Abdullah. 2020. "Characteristics of Glycerolized Chitosan: NH4NO3-Based Polymer Electrolyte for Energy Storage Devices with Extremely High Specific Capacitance and Energy Density Over 1000 Cycles." Polymers 12, no. 11: 2718.
In this study, structural characterization, electrical properties and energy storage performance of plasticized polymer electrolytes based on polyvinyl alcohol/methylcellulose/ammonium thiocyanate (PVA/MC-NH4SCN) were carried out. An X-ray diffraction (XRD) study displayed that the plasticized electrolyte system with the uppermost value of direct current (DC) ionic conductivity was the most amorphous system. The electrolyte in the present work realized an ionic conductivity of 2.903 × 10−3 Scm−1 at room temperature. The main charge carrier in the electrolyte was found to be the ions with the ionic transference number (tion) of 0.912, compared to only 0.088 for the electronic transference number (telec). The electrochemical stability potential window of the electrolyte is 2.1 V. The specific capacitance was found to reduce from 102.88 F/g to 28.58 F/g as the scan rate increased in cyclic voltammetry (CV) analysis. The fabricated electrochemical double layer capacitor (EDLC) was stable up to 200 cycles with high efficiency. The specific capacitance obtained for the EDLC by using charge–discharge analysis was 132.7 F/g at the first cycle, which is slightly higher compared to the CV plot. The equivalent series resistance (ESR) increased from 58 to 171 Ω throughout the cycles, which indicates a good electrolyte/electrode contact. Ions in the electrolyte were considered to have almost the same amount of energy during the conduction process as the energy density is approximately at 14.0 Wh/kg throughout the 200 cycles. The power density is stabilized at the range of 1444.3 to 467.6 W/kg as the EDLC completed the cycles.
Shujahadeen Aziz; Iver Brevik; M. Brza; A. Asnawi; Elham Dannoun; Y. Yusof; Rebar Abdulwahid; M. Hamsan; Muaffaq M. Nofal; M. Kadir. The Study of Structural, Impedance and Energy Storage Behavior of Plasticized PVA:MC Based Proton Conducting Polymer Blend Electrolytes. Materials 2020, 13, 5030 .
AMA StyleShujahadeen Aziz, Iver Brevik, M. Brza, A. Asnawi, Elham Dannoun, Y. Yusof, Rebar Abdulwahid, M. Hamsan, Muaffaq M. Nofal, M. Kadir. The Study of Structural, Impedance and Energy Storage Behavior of Plasticized PVA:MC Based Proton Conducting Polymer Blend Electrolytes. Materials. 2020; 13 (21):5030.
Chicago/Turabian StyleShujahadeen Aziz; Iver Brevik; M. Brza; A. Asnawi; Elham Dannoun; Y. Yusof; Rebar Abdulwahid; M. Hamsan; Muaffaq M. Nofal; M. Kadir. 2020. "The Study of Structural, Impedance and Energy Storage Behavior of Plasticized PVA:MC Based Proton Conducting Polymer Blend Electrolytes." Materials 13, no. 21: 5030.
In this study, porous cationic hydrogen (H+) conducting polymer blend electrolytes with an amorphous structure were prepared using a casting technique. Poly(vinyl alcohol) (PVA), chitosan (CS), and NH4SCN were used as raw materials. The peak broadening and drop in intensity of the X-ray diffraction (XRD) pattern of the electrolyte systems established the growth of the amorphous phase. The porous structure is associated with the amorphous nature, which was visualized through the field-emission scanning electron microscope (FESEM) images. The enhancement of DC ionic conductivity with increasing salt content was observed up to 40 wt.% of the added salt. The dielectric and electric modulus results were helpful in understanding the ionic conductivity behavior. The transfer number measurement (TNM) technique was used to determine the ion (tion) and electron (telec) transference numbers. The high electrochemical stability up to 2.25 V was recorded using the linear sweep voltammetry (LSV) technique.
Muaffaq M. Nofal; Shujahadeen B. Aziz; Jihad M. Hadi; Rebar T. Abdulwahid; Elham M. A. Dannoun; Ayub Shahab Marif; Shakhawan Al-Zangana; Qayyum Zafar; M. A. Brza; M. F. Z. Kadir. Synthesis of Porous Proton Ion Conducting Solid Polymer Blend Electrolytes Based on PVA: CS Polymers: Structural, Morphological and Electrochemical Properties. Materials 2020, 13, 4890 .
AMA StyleMuaffaq M. Nofal, Shujahadeen B. Aziz, Jihad M. Hadi, Rebar T. Abdulwahid, Elham M. A. Dannoun, Ayub Shahab Marif, Shakhawan Al-Zangana, Qayyum Zafar, M. A. Brza, M. F. Z. Kadir. Synthesis of Porous Proton Ion Conducting Solid Polymer Blend Electrolytes Based on PVA: CS Polymers: Structural, Morphological and Electrochemical Properties. Materials. 2020; 13 (21):4890.
Chicago/Turabian StyleMuaffaq M. Nofal; Shujahadeen B. Aziz; Jihad M. Hadi; Rebar T. Abdulwahid; Elham M. A. Dannoun; Ayub Shahab Marif; Shakhawan Al-Zangana; Qayyum Zafar; M. A. Brza; M. F. Z. Kadir. 2020. "Synthesis of Porous Proton Ion Conducting Solid Polymer Blend Electrolytes Based on PVA: CS Polymers: Structural, Morphological and Electrochemical Properties." Materials 13, no. 21: 4890.
In the current study, the film fabrication of polystyrene (PS) based polymer nanocomposites (NCs) with tuned refractive index and absorption edge was carried out using the solution cast method. X-ray diffraction (XRD) and ultraviolet-visible (UV-Vis) light characterization techniques were performed. The structural and optical properties of the prepared films were specified. The hump of PS decreased significantly when SnTiO3 nanoparticles (NPs) were introduced. Sharp and high intense peaks of SnTiO3 NPs at a high filler ratio were observed. The crystalline size was determined for SnTiO3 NPs from the sharp crystalline peaks using Debye-Scherrer’s equation and was found to be 25.179 nm, which is close enough to that described by the supplier. Several optical parameters, such as absorption coefficient (α), refractive index (n), and optical dielectric properties, were investigated. The absorption spectra were tuned with increasing SnTiO3NPs. Upon the addition of the NPs to the PS host polymer, the absorption edge undergoes shifting to lesser photon energy sides. The optical dielectric constant (ε′) was correlated to the refractive index. The study of the optical band gap was conducted in detail using both Tauc’s model and the optical dielectric loss (ε″) parameter. The results showed that the ε″ parameter is noteworthy to be measured in the optical band gap study of materials.
Ahang M. Hussein; Elham M. A. Dannoun; Shujahadeen B. Aziz; Mohamad A. Brza; Rebar T. Abdulwahid; Sarkawt A. Hussen; Sarkawt Rostam; Dalia M. T. Mustafa; Dana S. Muhammad. Steps Toward the Band Gap Identification in Polystyrene Based Solid Polymer Nanocomposites Integrated with Tin Titanate Nanoparticles. Polymers 2020, 12, 2320 .
AMA StyleAhang M. Hussein, Elham M. A. Dannoun, Shujahadeen B. Aziz, Mohamad A. Brza, Rebar T. Abdulwahid, Sarkawt A. Hussen, Sarkawt Rostam, Dalia M. T. Mustafa, Dana S. Muhammad. Steps Toward the Band Gap Identification in Polystyrene Based Solid Polymer Nanocomposites Integrated with Tin Titanate Nanoparticles. Polymers. 2020; 12 (10):2320.
Chicago/Turabian StyleAhang M. Hussein; Elham M. A. Dannoun; Shujahadeen B. Aziz; Mohamad A. Brza; Rebar T. Abdulwahid; Sarkawt A. Hussen; Sarkawt Rostam; Dalia M. T. Mustafa; Dana S. Muhammad. 2020. "Steps Toward the Band Gap Identification in Polystyrene Based Solid Polymer Nanocomposites Integrated with Tin Titanate Nanoparticles." Polymers 12, no. 10: 2320.
Plasticized magnesium ion conducting polymer blend electrolytes based on chitosan (CS): polyvinyl alcohol (PVA) was synthesized with a casting technique. The source of ions is magnesium triflate Mg(CF3SO3)2, and glycerol was used as a plasticizer. The electrical and electrochemical characteristics were examined. The outcome from X-ray diffraction (XRD) examination illustrates that the electrolyte with highest conductivity exhibits the minimum degree of crystallinity. The study of the dielectric relaxation has shown that the peak appearance obeys the non-Debye type of relaxation process. An enhancement in conductivity of ions of the electrolyte system was achieved by insertion of glycerol. The total conductivity is essentially ascribed to ions instead of electrons. The maximum DC ionic conductivity was measured to be 1.016 × 10−5 S cm−1 when 42 wt.% of plasticizer was added. Potential stability of the highest conducting electrolyte was found to be 2.4 V. The cyclic voltammetry (CV) response shows the behavior of the capacitor is non-Faradaic where no redox peaks appear. The shape of the CV response and EDLC specific capacitance are influenced by the scan rate. The specific capacitance values were 7.41 F/g and 32.69 F/g at 100 mV/s and 10 mV/s, respectively. Finally, the electrolyte with maximum conductivity value is obtained and used as electrodes separator in the electrochemical double-layer capacitor (EDLC) applications. The role of lattice energy of magnesium salts in energy storage performance is discussed in detail.
Shujahadeen B. Aziz; Mohamad A. Brza; Elham M. A. Dannoun Muhamad H. Hamsan; Jihad M. Hadi; Mohd F. Z. Kadir; Rebar T. Abdulwahid. The Study of Electrical and Electrochemical Properties of Magnesium Ion Conducting CS: PVA Based Polymer Blend Electrolytes: Role of Lattice Energy of Magnesium Salts on EDLC Performance. Molecules 2020, 25, 4503 .
AMA StyleShujahadeen B. Aziz, Mohamad A. Brza, Elham M. A. Dannoun Muhamad H. Hamsan, Jihad M. Hadi, Mohd F. Z. Kadir, Rebar T. Abdulwahid. The Study of Electrical and Electrochemical Properties of Magnesium Ion Conducting CS: PVA Based Polymer Blend Electrolytes: Role of Lattice Energy of Magnesium Salts on EDLC Performance. Molecules. 2020; 25 (19):4503.
Chicago/Turabian StyleShujahadeen B. Aziz; Mohamad A. Brza; Elham M. A. Dannoun Muhamad H. Hamsan; Jihad M. Hadi; Mohd F. Z. Kadir; Rebar T. Abdulwahid. 2020. "The Study of Electrical and Electrochemical Properties of Magnesium Ion Conducting CS: PVA Based Polymer Blend Electrolytes: Role of Lattice Energy of Magnesium Salts on EDLC Performance." Molecules 25, no. 19: 4503.
This research paper investigates the electrochemical performance of chitosan (CS): dextran (DX) polymer-blend electrolytes (PBEs), which have been developed successfully with the incorporation of ammonium hexafluorophosphate (NH4PF6). X-ray diffraction (XRD) analysis indicates that the plasticized electrolyte system with the highest value of direct current (DC) ionic conductivity is the most amorphous system. The glycerol addition increased the amorphous phase and improved the ionic dissociation, which contributed to the enhancement of the fabricated device’s performance. Transference number analysis (TNM) has shown that the charge transport process is mainly by ions rather than electrons, as tion = 0.957. The CS:DX:NH4PF6 system was found to decompose as the voltage goes beyond 1.5 V. Linear sweep voltammetry (LSV) revealed that the potential window for the most plasticized system is 1.5 V. The fabricated electrochemical double-layer capacitor (EDLC) was analyzed with cyclic voltammetry (CV) and charge-discharge analysis. The results from CV verify that the EDLC in this work holds the characteristics of a capacitor. The imperative parameters of the fabricated EDLC such as specific capacitance and internal resistance were found to be 102.9 F/g and 30 Ω, respectively. The energy stored and power delivered by the EDLC were 11.6 Wh/kg and 2741.2 W/kg, respectively.
Shujahadeen B. Aziz; Mohamad A. Brza; Iver Brevik; Muhamad H. Hafiz; Ahmad S.F.M. Asnawi; Yuhanees M. Yusof; Rebar T. Abdulwahid; Mohd F.Z. Kadir. Blending and Characteristics of Electrochemical Double-Layer Capacitor Device Assembled from Plasticized Proton Ion Conducting Chitosan:Dextran:NH4PF6 Polymer Electrolytes. Polymers 2020, 12, 2103 .
AMA StyleShujahadeen B. Aziz, Mohamad A. Brza, Iver Brevik, Muhamad H. Hafiz, Ahmad S.F.M. Asnawi, Yuhanees M. Yusof, Rebar T. Abdulwahid, Mohd F.Z. Kadir. Blending and Characteristics of Electrochemical Double-Layer Capacitor Device Assembled from Plasticized Proton Ion Conducting Chitosan:Dextran:NH4PF6 Polymer Electrolytes. Polymers. 2020; 12 (9):2103.
Chicago/Turabian StyleShujahadeen B. Aziz; Mohamad A. Brza; Iver Brevik; Muhamad H. Hafiz; Ahmad S.F.M. Asnawi; Yuhanees M. Yusof; Rebar T. Abdulwahid; Mohd F.Z. Kadir. 2020. "Blending and Characteristics of Electrochemical Double-Layer Capacitor Device Assembled from Plasticized Proton Ion Conducting Chitosan:Dextran:NH4PF6 Polymer Electrolytes." Polymers 12, no. 9: 2103.
In this study, plasticized films of polyvinyl alcohol (PVA): chitosan (CS) based electrolyte impregnated with ammonium thiocyanate (NH4SCN) were successfully prepared using a solution-casting technique. The structural features of the electrolyte films were investigated through the X-ray diffraction (XRD) pattern. The enrichment of the amorphous phase with increasing glycerol concentration was confirmed by observing broad humps. The electrical impedance spectroscopy (EIS) portrays the improvement of ionic conductivity from 10−5 S/cm to 10−3 S/cm upon the addition of plasticizer. The electrolytes incorporated with 28 wt.% and 42 wt.% of glycerol were observed to be mainly ionic conductor as the ionic transference number measurement (TNM) was found to be 0.97 and 0.989, respectively. The linear sweep voltammetry (LSV) investigation indicates that the maximum conducting sample is stable up to 2 V. An electrolyte with the highest conductivity was used to make an energy storage electrical double-layer capacitor (EDLC) device. The cyclic voltammetry (CV) plot depicts no distinguishable peaks in the polarization curve, which means no redox reaction has occurred at the electrode/electrolyte interface. The fabricated EDLC displays the initial specific capacitance, equivalent series resistance, energy density, and power density of 35.5 F/g, 65 Ω, 4.9 Wh/kg, and 399 W/kg, respectively.
Shujahadeen B. Aziz; Jihad M. Hadi; Elham M. A. Dannoun; Rebar T. Abdulwahid; Salah R. Saeed; Ayub Shahab Marf; Wrya O. Karim; Mohd F.Z. Kadir. The Study of Plasticized Amorphous Biopolymer Blend Electrolytes Based on Polyvinyl Alcohol (PVA): Chitosan with High Ion Conductivity for Energy Storage Electrical Double-Layer Capacitors (EDLC) Device Application. Polymers 2020, 12, 1938 .
AMA StyleShujahadeen B. Aziz, Jihad M. Hadi, Elham M. A. Dannoun, Rebar T. Abdulwahid, Salah R. Saeed, Ayub Shahab Marf, Wrya O. Karim, Mohd F.Z. Kadir. The Study of Plasticized Amorphous Biopolymer Blend Electrolytes Based on Polyvinyl Alcohol (PVA): Chitosan with High Ion Conductivity for Energy Storage Electrical Double-Layer Capacitors (EDLC) Device Application. Polymers. 2020; 12 (9):1938.
Chicago/Turabian StyleShujahadeen B. Aziz; Jihad M. Hadi; Elham M. A. Dannoun; Rebar T. Abdulwahid; Salah R. Saeed; Ayub Shahab Marf; Wrya O. Karim; Mohd F.Z. Kadir. 2020. "The Study of Plasticized Amorphous Biopolymer Blend Electrolytes Based on Polyvinyl Alcohol (PVA): Chitosan with High Ion Conductivity for Energy Storage Electrical Double-Layer Capacitors (EDLC) Device Application." Polymers 12, no. 9: 1938.
In the present work, a novel polymer composite electrolytes (PCEs) based on poly(vinyl alcohol) (PVA): ammonium thiocyanate (NH4SCN): Cd(II)-complex plasticized with glycerol (Gly) are prepared by solution cast technique. The film structure was examined by XRD and FTIR routes. The utmost ambient temperature DC ionic conductivity (σDC) of 2.01 × 10−3 S cm−1 is achieved. The film morphology was studied by field emission scanning electron microscopy (FESEM). The trend of σDC is further confirmed with investigation of dielectric properties. Transference numbers of ions (tion) and electrons (tel) are specified to be 0.96 and 0.04, respectively. Linear sweep voltammetry (LSV) displayed that the PCE potential window is 2.1 V. The desired mixture of activated carbon (AC) and carbon black was used to fabricate the electrodes of the EDLC. Cyclic voltammetry (CV) was carried out by sandwiching the PCEs between two carbon-based electrodes, and it revealed an almost rectangular shape. The EDLC exhibited specific capacitance, energy density, and equivalent series resistance with average of 160.07F/g, 18.01Wh/kg, and 51.05Ω, respectively, within 450 cycles. The EDLC demonstrated the initial power density as 4.065 × 103 W/Kg.
Mohamad A. Brza; Shujahadeen B. Aziz; Hazleen Anuar; Elham M. A. Dannoun; Fathilah Ali; Rebar T. Abdulwahid; Shakhawan Al-Zangana; Mohd F.Z. Kadir. The Study of EDLC Device with High Electrochemical Performance Fabricated from Proton Ion Conducting PVA-Based Polymer Composite Electrolytes Plasticized with Glycerol. Polymers 2020, 12, 1896 .
AMA StyleMohamad A. Brza, Shujahadeen B. Aziz, Hazleen Anuar, Elham M. A. Dannoun, Fathilah Ali, Rebar T. Abdulwahid, Shakhawan Al-Zangana, Mohd F.Z. Kadir. The Study of EDLC Device with High Electrochemical Performance Fabricated from Proton Ion Conducting PVA-Based Polymer Composite Electrolytes Plasticized with Glycerol. Polymers. 2020; 12 (9):1896.
Chicago/Turabian StyleMohamad A. Brza; Shujahadeen B. Aziz; Hazleen Anuar; Elham M. A. Dannoun; Fathilah Ali; Rebar T. Abdulwahid; Shakhawan Al-Zangana; Mohd F.Z. Kadir. 2020. "The Study of EDLC Device with High Electrochemical Performance Fabricated from Proton Ion Conducting PVA-Based Polymer Composite Electrolytes Plasticized with Glycerol." Polymers 12, no. 9: 1896.