Transition Metal Oxide-/Carbon-/Electronically Conducting Polymer-Based Ternary Composites as Electrode Materials for Supercapacitors

De, Bibekananda; Banerjee, Soma; Pal, Tanvi; Verma, Kapil Dev; Tyagi, Alekha; Manna, P. K.; Kar, Kamal K.

doi:10.1007/978-3-030-52359-6_15

Cited by 26 publications

(3 citation statements)

References 88 publications

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“…Carbon nanotubes and graphene exhibit superior conductivity, and graphene stands out as an exceptional electrode material due to its high electrical conductivity, exibility, and large speci c surface area [24][25][26] . Transition metal oxide and conducting polymer electrodes exhibit good energy density but have limited conductivity and cycle stability 27 . Therefore, the development of metal oxides with enhanced synergistic properties is vital 28 .…”

Section: Introductionmentioning

confidence: 99%

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

Qashqay,

Meymian,

Maleki

2024

Preprint

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The increasing need for electrode materials exhibiting improved performance to meet the requirements of supercapacitors is on the rise. Hybrid electrodes, which combine reduced graphene (RGO) oxide with transition metal-based oxides such as cobalt oxide (CoO), have emerged as promising materials due to their impressive specific capacitance and cost-effectiveness, attributed to their synergistic properties. In the present study, a binder-free RGOCoO composite electrode was synthesized using a facile, fast, and simple one-step co-precipitation method. This was done to improve stability for supercapacitor applications. The synthesized composite materials underwent comprehensive characterization utilizing various surface analytical techniques, including X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), field-emission scanning electron microscopy (FE-SEM), fourier-transform infrared spectroscopy (FTIR), and Brunauer–Emmett–Teller (BET) analysis. Electrochemical measurements of the fabricated hybrid revealed at current density of 2 A cm− 2 a specific capacitance of 132.3 mF cm− 2, with an impressive 95.91% retention of capacitance after 7000 cycles. The results from electrochemical impedance spectroscopy (EIS) highlighted a meager low relaxation time constant of 0.53 s for the electrode. The reason behind this can be linked to the synergistic interactions, and minimal charge transfer resistance exhibited by the porous electrode without binders. The innovative simple synthesis of a binder-free RGOCoO composite electrode represents a significant advancement in the development of high-efficiency supercapacitors for diverse large-scale applications.

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Section: Introductionmentioning

confidence: 99%

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

Qashqay,

Meymian,

Maleki

2024

Preprint

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“…8 The charge storage process of SCs has followed two types of mechanisms corresponding to electric double-layer capacitors (EDLCs) for carbonaceous materials (such as graphene and carbon nanotubes) and pseudocapacitors (PCs) for different transition metal-based chalcogenides and conducting polymers. [9][10][11][12] The electrochemical charge storage performance primarily depends on the electrode material used and its unique synthetic route. 4,13 Graphene and carbon nanotubebased electrode materials follow the Helmholtz double-layer mechanism of an ion adsorption and desorption process between the electrolyte and the electrode surface coated with active materials, whereas pseudocapacitors (PCs) follow a fast faradaic process to show a large specific capacitance value with respect to mass ratio.…”

Section: Introductionmentioning

confidence: 99%

Tetra germanium nonaselenide enwrapped with reduced graphene oxide and functionalized carbon nanotubes (Ge₄Se₉/RGO/FCNTs) hybrids for improved energy storage performances

et al. 2022

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“…Comparison of this work and literature. This work pseudo capacitive behaviors of the materials 51,52. After determined optimum potential ranges for CDCPs including coin-cell type supercapacitors, cyclic voltammetric analysis were carried out at different scanning rate for the determination of the areal capacitance of the materials.…”

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confidence: 99%

Preparation of Copper Doped Conducting Polymers and Their Supercapacitor Applications

Gençten

Arvas

et al. 2022

ECS J. Solid State Sci. Technol.

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In this work, copper doped polyaniline and polypyrrole based materials were synthesized by in-situ chemical synthesis method using of copper salt as oxidant for the first time in the literature. Prepared materials were characterized by using of microscopic, spectroscopic, and thermal methods. Doping of polyaniline and polypyrrole in the form of Cu(II) ions and Cu-N were confirmed by the analyses of X-ray photoelectron spectroscopy. The interaction mechanisms of copper and polyaniline and polypyrrole were discussed in the given work. Morphology of the copper doped conducting polymers were characterized by using of scanning electron microscopy. Particle size distribution of the prepared powders were in micron scale from 60 to 478 µm. Then, prepared copper doped conducting polymers were used as electrode materials of asymmetric type supercapacitors in 1.0 M sulfuric acid and 1.0 M sodium sulfate. The highest areal capacitance was determined as 185 mF.cm−2 at 5 mV.s−1 in copper doped polypyrrole prepared 0.4 M pyrrole, 0.5 M CuCl2 and 0.2 M HCl including medium. Here, copper doping of the conducting polymers increased capacitive properties of these materials.

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Transition Metal Oxide-/Carbon-/Electronically Conducting Polymer-Based Ternary Composites as Electrode Materials for Supercapacitors

Cited by 26 publications

References 88 publications

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

Tetra germanium nonaselenide enwrapped with reduced graphene oxide and functionalized carbon nanotubes (Ge₄Se₉/RGO/FCNTs) hybrids for improved energy storage performances

Preparation of Copper Doped Conducting Polymers and Their Supercapacitor Applications

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Transition Metal Oxide-/Carbon-/Electronically Conducting Polymer-Based Ternary Composites as Electrode Materials for Supercapacitors

Cited by 26 publications

References 88 publications

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

A Simple Method for Fabrication of Hybrid Electrodes of Supercapacitors

Tetra germanium nonaselenide enwrapped with reduced graphene oxide and functionalized carbon nanotubes (Ge4Se9/RGO/FCNTs) hybrids for improved energy storage performances

Preparation of Copper Doped Conducting Polymers and Their Supercapacitor Applications

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Tetra germanium nonaselenide enwrapped with reduced graphene oxide and functionalized carbon nanotubes (Ge₄Se₉/RGO/FCNTs) hybrids for improved energy storage performances