Abstract
The aim of the present investigation is to study the effect of calcination temperature on the electrochemical performance of MnMoO4 nanoparticles, which are synthesized using a facile and time-saving microwave-assisted annealing technique. The prepared samples are calcinated at 300 °C, 500 °C, and 700 °C for 3 h. The microporous morphology is obtained when the MnMoO4 nanoparticles are calcinated at 500 °C. The electrode prepared with MnMoO4 nanoparticles exhibited a remarkable-specific capacity of 1613 C g−1 and 1549 C g−1 at 10 mV s−1 and 2 A g−1, respectively. An asymmetric supercapacitor is fabricated by depositing MnMoO4 nanoparticles and activated carbon on Ni-foam as positive and negative electrodes, respectively. The device demonstrated a magnificent energy density of 68 W h kg−1 at 850 W kg−1 and displayed an excellent cycling stability of 139% after 5000 cycles.
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All data generated or analysed during this study are included in this published article and the datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
The authors want to acknowledge the Central Instrumentation Facility (CIF), Division of Research and Development (DRD), Lovely Professional University, India for providing the characterization facilities and funds under the scheme LPU/DRDSEED/SAC/65. Further, the authors grateful to Council of Scientific and Industrial Research, New Delhi, India for providing the grant under the EMR scheme (Grant number: 03(1469)/19/EMR-II).
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SJ synthesized the material and done its optimization. PK made substantial contributions towards the acquisition, analysis and interpretation of data. KS designed, articulated and supervised the problem.
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Jabeen, S., Kumar, P. & Samra, K.S. Boosting the electrochemical characteristics of MnMoO4 nanoparticles for supercapacitor applications. J Appl Electrochem 54, 1435–1445 (2024). https://doi.org/10.1007/s10800-023-02034-3
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DOI: https://doi.org/10.1007/s10800-023-02034-3