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<p>The remarkable properties and wide variety of uses of carbon nanotubes (CNTs) and metal sulfides, like electrical energy storage and energy exchange, have attracted a lot of attention. The creation of a rough-surfaced, highly effective electrode nanomaterial is essential for more advanced high-energy storage technologies. In current research, the well-established cost effective solvothermal approach is used to synthesize the NiS microstructure with a rough surface. The specific capacitance of the NiS-CNT material was 1735&#xa0;F/g at 1&#xa0;A/g, which is higher than the natural NiS material alone. Asymmetric supercapacitors have an amazing power density of 4500&#xa0;W/kg and an energy density of 42.5 Wh/kg when the current density is 1&#xa0;A/g. An 89% capacitance retention rate after 10,000 cycles shows that the cycling reliability is also very good. The NiS-CNT//AC electrode has better ion and electron transfer capacity, a bigger surface area, and a higher rate capability, which highlights its potential use in electrochemical energy storage.</p>

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Structure–performance correlation in NiS-CNT hybrid electrodes for advanced electrochemical energy storage

  • 期刊论文

  • 发表日期：

    2025年11月27日

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  • Zahra Batool,
  • Atiq ur Rehman,
  • Kainat Sindhu,
  • Rizwan ul Hassan,
  • Rasmiah S. Almufarij,
  • Jack Arayro,
  • Doniyor Jumanazarov,
  • Alisher Abduvokhidov,
  • Ghulam Abbas Ashraf,
  • Rimsha Jabeen

摘要

The remarkable properties and wide variety of uses of carbon nanotubes (CNTs) and metal sulfides, like electrical energy storage and energy exchange, have attracted a lot of attention. The creation of a rough-surfaced, highly effective electrode nanomaterial is essential for more advanced high-energy storage technologies. In current research, the well-established cost effective solvothermal approach is used to synthesize the NiS microstructure with a rough surface. The specific capacitance of the NiS-CNT material was 1735 F/g at 1 A/g, which is higher than the natural NiS material alone. Asymmetric supercapacitors have an amazing power density of 4500 W/kg and an energy density of 42.5 Wh/kg when the current density is 1 A/g. An 89% capacitance retention rate after 10,000 cycles shows that the cycling reliability is also very good. The NiS-CNT//AC electrode has better ion and electron transfer capacity, a bigger surface area, and a higher rate capability, which highlights its potential use in electrochemical energy storage.