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In-situ composited g-C3N4/polypyrrole nanomaterial applied as energy-storing electrode with ameliorated super-capacitive performance

  • Advanced Materials for Energy & Applications
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Abstract

Graphitic carbon nitride (g-C3N4) and polypyrrole (ppy) nanocomposites are synthesized and cast off as material for electrodes intended for energy storage, where the amount of pyrrole is being kept static after optimization by altering the amount of g-C3N4 to make a series of g-C3N4/ppy (pcn) nanocomposites. These nanocomposites are successfully synthesized by employing in-situ oxidation polymerization by oxidizing pyrrole. The nanocomposites are further characterized by Fourier transform infrared spectroscopy (FT-IR) for structural investigation, thermal gravimetric analysis (TGA) for thermal stability analysis, and field emission scanning electron microscopy (FESEM) and transmission electron microscopy (HR-TEM) for surface morphological scrutiny. The electrochemical measurements of the series are inspected with the help of galvanostatic charge–discharge (GCD), electrochemical impedance spectroscopy (EIS), and cyclic voltammetry (CV) measurements. It is detected that 0.4 pcn has the highest specific capacitance value of 555 F g−1 at 10 mV s−1 scan rate through CV and 475 F g−1 at a current density of 0.5 A g−1 through GCD in 1 M H2SO4 in contrast with neat g-C3N4 as well as ppy where both the precursors have this value below 100 F g−1. This composite exhibited good cyclic stability with high retention. The high energy density of 0.4 pcn composite is analyzed at 86 Wh/kg at a power density of 300 W/kg. Due to facile synthesis, significant specific capacitance, and excellent energy density, pcn is a promising candidate for its application in energy storage purposes.

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Funding

This work is sponsored by Deenbandhu Chhotu Ram University of Science and Technology, Murthal, under University Research Scholarship (Endst. No. DCRUST/Sch./2019/508).

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All authors contributed to the study’s conception and design. Material synthesis, data preparation, and analysis were performed by Rajat Arora. The first draft of the manuscript was written by Rajat Arora, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Suman Lata.

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The authors declare no competing interests.

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Responsible Editor: George Z. Kyzas

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Arora, R., Nehra, S.P. & Lata, S. In-situ composited g-C3N4/polypyrrole nanomaterial applied as energy-storing electrode with ameliorated super-capacitive performance. Environ Sci Pollut Res 30, 98589–98600 (2023). https://doi.org/10.1007/s11356-022-21777-8

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  • DOI: https://doi.org/10.1007/s11356-022-21777-8

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