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Facile Synthesis of Biocarbon-Based MoS2 Composite for High-Performance Supercapacitor Application

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Nanocomposites are gaining high demand for the development of next-generation energy storage devices because of their eco-friendly and cost-effective natures. However, their short-term energy retainability and marginal stability are regarded… Click to show full abstract

Nanocomposites are gaining high demand for the development of next-generation energy storage devices because of their eco-friendly and cost-effective natures. However, their short-term energy retainability and marginal stability are regarded as hindrances to overcome. In this work, we demonstrate a high-performance supercapacitor fabricated by biocarbon-based MoS2 (Bio-C/MoS2) nanoparticles synthesized by a facile hydrothermal approach using date fruits. Here, we report the high specific capacitance for a carbon-based nanocomposite employing the pyrolysis technique of converting agricultural biowaste into a highly affordable energy resource. The biocompatible Bio-C/MoS2 nanospheres exhibited a high capacitance of 945 F g–1 at a current density of 0.5 A g–1 and an excellent reproducing stability of 92% after 10000 charge/discharge cycles. In addition, the Bio-C/MoS2 NS showed an exceptional power density of 3800–8000 W kg–1 and an energy density of 74.9–157 Wh kg–1. The results would pave a new strategy for design of eco-friendly materials toward the high-performance energy storage technology.

Keywords: performance supercapacitor; energy; biocarbon based; based mos2; high performance

Journal Title: Nano Letters
Year Published: 2022

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