Investigation on Electrochemical Properties of Polythiophene Nanocomposite with Graphite Derivatives as Supercapacitor Material on Breath Figure-Decorated PMMA Electrode

Azimi, Mona; Abbaspour, Mohsen; Fazli, Ali; Setoodeh, Hamideh; Pourabbas, Behzad

doi:10.1007/s11664-017-6016-5

Cited by 27 publications

(8 citation statements)

References 25 publications

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“…In addition, the effect of SWCNTs content in P3HT/SWCNTs electrodes at 0.5 Ag −1 on GCD is displayed and investigated. The curves exhibit semisymmetric triangular shapes and the potential-time relationships are deviated from the linearity, indicating pseudocapacitive contribution and the capacitance of P3HT/SWCNTs originates from pseudocapacitance plus electric double layer capacitance of SWCNTs 46 . There are two different regions appeared in the discharge curves.…”

Section: Resultsmentioning

confidence: 95%

“…Fast potential drop is initially occurred and followed by a slow potential decay. The fast decay is attributed to the internal resistance of the electrode and the latter represents the capacitive feature of the pseudocapacitive electrode 46 . The nonlinear curves of P3HT/50% SWCNTs electrode at different current densities have pseudocapacitance behavior.…”

Section: Resultsmentioning

confidence: 99%

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Supercapacitor based on polymeric binary composite of polythiophene and single-walled carbon nanotubes

Shokry

Karim

Khalil

et al. 2022

Sci Rep

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The aim of this work is to fabricate supercapacitor electrode based on poly (3-hexyl-thiophene-2, 5-diyl) (P3HT) and single-walled carbon nanotubes (SWCNTs) nanocomposites with different ratios onto a graphite sheet as a substrate with a wide voltage window in nonaqueous electrolyte. Structural, morphological and electrochemical properties of the prepared nanocomposites of P3HT/SWCNTs were studied and discussed. The electrochemical properties included cyclic voltammetry (CV), galvanostatic charging-discharging (GCD), and electrochemical impedance spectroscopy (EIS) were investigated. The obtained results indicated that P3HT/SWCNTs nanocomposite possesses higher specific capacitance than that present in its individual component. The high electrochemical performance of the nanocomposite was due to formation of microporous structure which facilitates ions diffusion and electrolyte penetration in these pores. The morphological micrographs of the purified SWCNTs had buckypaper structure while the photomicrographs of P3HT/SWCNTs showed that SWCNTs appear behind and front of the P3HT nanospheres. The specific capacitance of 50% SWCNTs at 0.5 Ag−1 was found to be 245.8 Fg−1 compared with that of pure P3HT of 160.5 Fg−1.

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Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 99%

Supercapacitor based on polymeric binary composite of polythiophene and single-walled carbon nanotubes

Shokry

Karim

Khalil

et al. 2022

Sci Rep

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“…The prepared ternary nanocomposite also displayed excellent cycling stability (91.88%) after 1,000 charging/discharging cycles. Azimi et al 118 investigated the electrochemical properties of several PTh nanocomposites with GO and RGO. They found that incorporating GO and RGO to PTh nanoparticles could enhance the electrochemical properties of the resultant electrodes.…”

Section: Gn Nanocomposites With Pth and Their Derivativesmentioning

confidence: 99%

Trends on the Development of Hybrid Supercapacitor Electrodes from the Combination of Graphene and Polyaniline

Santoso

Aliwarga²,

Laysandra

et al. 2022

Fine Chemical Engineering

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The high demand for efficient energy devices leads to the rapid development of energy storage systems with excellent electrochemical properties, such as long life cycles, high cycling stability, and high power density. SC is postulated as a potential candidate to fulfill this demand. The combination of graphene and polyaniline can create SC electrodes with excellent electrical conductivity, high specific surface area, and high capacitance. The graphene/polyaniline hybrid electrodes represent an attractive means to overcome the major drawbacks of graphene or polyaniline non-hybrid (single) electrode materials. In this review article, the trend in the development of various graphene/polyaniline hybrid electrodes is summarized, which includes the zero-dimension graphene-quantum-dots/polyaniline hybrid, one-dimension graphene/polyaniline hybrid, two-dimension graphene/polyaniline hybrid, and three-dimension hydrogel-shaped graphene/polyaniline hybrid. Several strategies and approaches to enhance the capacitance value and cycling stability of graphene/polyaniline hybrid electrodes are discussed in this review article, such as the addition of transition metal oxides and metal-organic frameworks, and modification of graphene into functionalized-graphene. The performance of the electrodes prepared from the combination of graphene with other conducting polymers (i.e., polypyrrole, polythiophene, and polythiophene-derivatives) is also discussed.

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“…Electrochemical impedance spectroscopy (EIS) is a multi-purpose and destructive testing technology [17]. Electrochemical impedance spectroscopy is also widely used in the research of nanocomposite preparation [18], carbon steel corrosion [19], lithium-ion battery [20], and metal oxide electrode [21]. Viacheslav et al [22] believed that electrochemical impedance spectroscopy could reveal the dynamic characteristics of local heterogeneous interfaces.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Characterization of Anchor under Uniaxial Compression Loading Conditions

Sun

Wang

et al. 2022

Advances in Materials Science and Engineering

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Bolt reinforcement technology plays an important role in supporting the construction of many engineering fields, and the uniaxial loading characteristics and behavior tests of anchors have great significance to the research and application of anchors. Therefore, four anchor specimens GA ∼ GD were fabricated and tested to explore the macro and microbehavior characteristics of anchors under uniaxial compression. The stress-strain curves for GA ∼ GC specimens under uniaxial compression were analyzed. The stress-strain curve, elastic strain and creep strain, the failure results, and electrochemical impedance spectroscopy of specimen GD under multistage loading were investigated. The results showed a series of behavior characteristics of anchor under uniaxial compression. Under uniaxial compression, the shapes of stress-strain curves of three specimens GA ∼ GC were similar, and they had experienced four different stages from stage I to stage IV, respectively. After calculating the uniaxial compressive strength of the three specimens, the average uniaxial compressive strength of these specimens was σ c ¯ = 8.31 MPa. The stress-strain curve of the specimen GD was obtained by a multi-stage loading test. The total strain of the specimen consisted of elastic strain and creep strain. In the whole process of loading, the proportion of elastic strain was greater than that of creep strain, and the proportion range of elastic strain was 51.90% ∼ 55.82%. Seven electrochemical impedance spectrum curves of the specimen GD under multi-stage compression load were obtained. The dispersion and concentration of Nyquist curves were affected by different loading levels; the higher the loading level, the more dispersed the Nyquist curve is. In the measured Bode diagram, compared with the previous six measurements, the variation laws of impedance value and phase angle measured at the seventh time in the failure stage of the specimen were quite different. The above research and conclusions can provide some reference for the test theory and engineering application of anchors.

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Investigation on Electrochemical Properties of Polythiophene Nanocomposite with Graphite Derivatives as Supercapacitor Material on Breath Figure-Decorated PMMA Electrode

Cited by 27 publications

References 25 publications

Supercapacitor based on polymeric binary composite of polythiophene and single-walled carbon nanotubes

Supercapacitor based on polymeric binary composite of polythiophene and single-walled carbon nanotubes

Trends on the Development of Hybrid Supercapacitor Electrodes from the Combination of Graphene and Polyaniline

Mechanical Characterization of Anchor under Uniaxial Compression Loading Conditions

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