Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 905, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.164185
Keywords
Ordered mesoporous carbon; Molybdenum carbide; OMC/Mo-2-C nanocomposite; Supercapacitor
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Funding
- Razi University Research funds this work [303200]
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In this study, a supercapacitor based on ordered mesoporous carbon/molybdenum carbide (OMC/Mo2C) nanocomposite was successfully manufactured. The electrode exhibited exceptional electrochemical performance, high capacity, and excellent cycling stability. These findings can contribute to the development of high-performance energy storage devices.
Supercapacitors are a different promising technique to satisfy the rising demand for energy storage systems. Introducing an economical and highly active electrocatalysts is crucial to exploit clean and environmental friendly energy technology in the future. We have successfully manufactured a supercapacitor based on ordered mesoporous carbon/ molybdenum carbide (OMC/Mo2C) nanocomposite. OMC has been chosen as a substrate due to its conductivity, favorable physical strength, high flexibility, and light structure. The OMC/ Mo2C nanocomposite electrode performed exceptionally well from electrochemical perspective, with a high capacity of 1718 F g(-1) at 1 A g(-1) current density. It was seen that the capacitance retention rate could still reach 90.3% after 5000 cycles, indicating that the OMC/Mo2C nanocomposite electrode has excellent stability. Moreover, the assembled OMC/Mo2C//AC asymmetric supercapacitor exhibits capacitance of 299.4 F g(-1) at a current density of 1 A g(-1), and a large energy density of 106.4 Wh kg(-1) at a power density of 800 W kg(-1), by exceptional cycling stability with 90% capacity maintenance after 5000 cycles. The research findings can be applied in the development of high-performance energy storage devices based on carbides of transition metals.(c) 2022 Published by Elsevier B.V.
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