Layered Polyaniline–Manganese Oxide Nanocomposite Electrode Material for Supercapacitor Application

In the present research work, layered nanocomposite of polyaniline–manganese oxide (PANI/MnO2) electrodes is synthesized using the potentiostatic electrodeposition method. The structural and morphological properties of the nanocomposite electrode materials are tested using X‐ray diffraction (XRD) an...

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Bibliographic Details
Published in:Macromolecular symposia. 2021-12, Vol.400 (1), p.n/a
Main Authors: Kadam, Snehal L., Ingole, Rahul S., Tiwari, Nidhi, Kulkarni, Shrinivas
Format: Article
Language:English
Subjects:
Amorphous materials
Capacitance
Electrochemical impedance spectroscopy
Electrode materials
electrodeposition
Electrodes
Emission analysis
Field emission microscopy
layered nanocomposite
Manganese
Manganese dioxide
Manganese oxides
Micrography
Morphology
Nanocomposites
Photomicrographs
polyaniline
Polyanilines
Scanning electron microscopy
Sodium sulfate
Spectroscopy
supercapacitors
Synergistic effect
X-ray diffraction
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Summary:In the present research work, layered nanocomposite of polyaniline–manganese oxide (PANI/MnO2) electrodes is synthesized using the potentiostatic electrodeposition method. The structural and morphological properties of the nanocomposite electrode materials are tested using X‐ray diffraction (XRD) and field emission‐scanning electron microscopy (FE‐SEM) techniques. The XRD analysis shows the amorphous nature of the electrode material. The FE‐SEM micrographs show porous morphology. The supercapacitive properties are investigated using cyclic voltammetry, galvanostatic charge‐discharge, cyclic stability, and electrochemical impedance spectroscopy techniques in 1 M Na2SO4 electrolyte. The layered nanocomposites show maximum values of specific capacitance which is 582 F g−1 at a scan rate of 5 mV s−1. The synergistic effect of layered nanocomposite leads to enhancement in the supercapacitive performance than the pristine electrode.
ISSN:1022-1360
1521-3900
DOI:10.1002/masy.202100179