Polyaniline (PANI)-manganese dioxide (MnO2) nanocomposites as efficient electrode materials for supercapacitors

Jadhav, Sushilkumar A.; Dhas, Suprimkumar D.; Patil, Komal T.; Moholkar, A.V.; Patil, Pramod S.

doi:10.1016/j.cplett.2021.138764

Cited by 46 publications

(17 citation statements)

References 31 publications

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“…This is because of this material's strong electrochemical activity, less cost, simplicity of production, and due its environmental stability. 17,18 Among the various composites for supercapacitor application, composites of MnO 2 and PANI have attracted great interest. For instance, Liu et al 18 fabricated MnO 2 / PANI composite by co-electrodeposition method in a solution of aniline and MnSO 4 .…”

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confidence: 99%

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Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

Rather¹,

Farooq²,

Ahmad³

2023

ECS J. Solid State Sci. Technol.

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Polyaniline/Manganese dioxide (PANI/MnO2) nanocomposite has been successfully prepared by in situ polymerization method. The X-ray Diffraction (XRD) data confirm the formation of PANI/MnO2 nanocomposites. Fourier Transform Infrared (FT-IR) spectroscopy confirms the vibrationsdominant by metal oxide and polymer in the complex format. The Scanning Electron Microscope (SEM) shows that these nanocomposites exhibits nano rods like morphologies. The optical properties were studied by UV–visible Spectroscopy and the optical band gaps were estimated to be around 1.62 eV. Also this composite follow indirect allowed transition. Cyclic Voltammetry (CV) of this composites were also studied, and from this data the specific capacitance (Cp), energy density (Ed), power density (Pd) and charge retention were also calculated. Additionally, from CV data, the energy levels such as the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) were also determined. A supercapacitor of this understudy material was designed and it’s charging and discharging under different conditions (like under the exposure of different wavelengths of light and various intensities of static magnetic fields)were also studied and explained. The preliminary designed supercapacitor shows good charge retention capacity. The specific capacitance of this capacitor remainsaround 463 Fg−1 at 200 cycles. Besides this, a planner diode of this composite was also fabricated and this diode was tested for current-voltage (IV) characteristics under various conditions like under exposure to photons of various wavelengths and in presence of different static magnetic fields.The various parameters related with this diode were analyzed and studied. The dielectric studies of this material were studied. The current materials could be explored as a good candidate for modern energy storage and optoelectronics applications.

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confidence: 99%

“…17,18 Among the various composites for supercapacitor application, composites of MnO 2 and PANI have attracted great interest. For instance, Liu et al 18 fabricated MnO 2 / PANI composite by co-electrodeposition method in a solution of aniline and MnSO 4 . This fabricated SC showed capacitance of 532 Fg −1 at 2.4 mAcm −1 of discharging current.…”

mentioning

confidence: 99%

Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

Rather¹,

Farooq²,

Ahmad³

2023

ECS J. Solid State Sci. Technol.

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“…The fabricated MnO 2 /polyaniline nanohybrids exhibited exceptional electrochemical performance, which was expected from the SEM results as they show a PMO branch-like network structure. Branch-like structure leads to a shortening of the charges’ diffusion path and a deep redox reaction which simultaneously enhances the overall electrochemical performance of the materials [ 30 , 31 , 32 ].…”

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confidence: 99%

The Controllable Ratio of the Polyaniline-Needle-Shaped Manganese Dioxide for the High-Performance Supercapacitor Application

et al. 2022

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The nanohybrid development of metal oxide/conducting polymer as an energy storage material is an active research area, because of the device stability, conductive behavior, and easy fabrication. Herein, needle-like MnO2 was coupled with polyaniline fabricated through chemical polymerization followed by the hydrothermal process. The characterization results show that MnO2/polyaniline exhibited a needle-like morphology. Different characterization techniques such as X-ray diffraction patterns and scanning electron microscopy confirmed the formation of the MnO2/polyaniline nanohybrids. The electrochemical performance, including cyclic voltammetry (CV), galvanostatic charge–discharge (GCD), specific capacitance (Csp), and cyclic stability, was examined using a three-electrode assembly cell. The optimized electrode displayed a Csp of 522.20 F g−1 at a current load of 1.0 A g−1 compared with the other electrodes. The developed synergism during MnO2/polyaniline fabrication provided enhanced conductive channels and stability during the charge–discharge process.

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“…This composite material has greatly improved electrode capacitance and stability compared to the individual component. Jadhav et al [56] also formed PANI-MnO 2 composites by wrapping PANI on the surface of MnO 2 through polymer coating and grafting techniques. In addition to wrapping MnO 2 with PANI, MnO 2 can also be allowed to grow on the PANI surface to form composites.…”

Section: Mno 2 -Panimentioning

confidence: 99%

A Review of MnO₂ Composites Incorporated with Conductive Materials for Energy Storage

Song

Wang

et al. 2022

The Chemical Record

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Manganese dioxide (MnO2) has been widely used in the field of energy storage due to its high specific capacitance, low cost, natural abundance, and being environmentally friendly. However, suffering from poor electrical conductivity and high dissolvability, the performance of MnO2 can no longer meet the needs of rapidly growing technological development, especially for the application as electrode material in metal‐ion batteries and supercapacitors. In this review, recent studies on the development of binary or multiple MnO2‐based composites with conductive components for energy storage are summarized. Firstly, general preparing methods for MnO2‐based composites are introduced. Subsequently, the binary and multiple MnO2‐based composites with carbon, conducting polymer, and other conductive materials are discussed respectively. The improvement in their performance is summarized as well. Finally, perspectives on the practical applications of MnO2‐based composites are presented.

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Polyaniline (PANI)-manganese dioxide (MnO2) nanocomposites as efficient electrode materials for supercapacitors

Cited by 46 publications

References 31 publications

Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

The Controllable Ratio of the Polyaniline-Needle-Shaped Manganese Dioxide for the High-Performance Supercapacitor Application

A Review of MnO₂ Composites Incorporated with Conductive Materials for Energy Storage

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Polyaniline (PANI)-manganese dioxide (MnO2) nanocomposites as efficient electrode materials for supercapacitors

Cited by 46 publications

References 31 publications

Performance of a PANI/MnO2 Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

Performance of a PANI/MnO2 Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

The Controllable Ratio of the Polyaniline-Needle-Shaped Manganese Dioxide for the High-Performance Supercapacitor Application

A Review of MnO2 Composites Incorporated with Conductive Materials for Energy Storage

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Product

Resources

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Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

Performance of a PANI/MnO₂ Nanocomposite-Based Supercapacitor/Diode Under DC Magnetic Field and Visible and Ultraviolet Photon Irradiation

A Review of MnO₂ Composites Incorporated with Conductive Materials for Energy Storage