4.6 Article

Quaternary Cu2FeSnS4/PVP/rGO Composite for Supercapacitor Applications

期刊

ACS OMEGA
卷 6, 期 14, 页码 9471-9481

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsomega.0c06167

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资金

  1. UGC-SAP
  2. DST-PURSE
  3. DST-FIST
  4. MHRD-RUSA
  5. King Khalid University [R.G.P.1/35/42]
  6. Western Norway University of Applied Sciences, Norway

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The study focused on investigating the electrochemical behavior of Cu2FeSnS4/PVP/rGO-decorated nanocomposite in asymmetric hybrid supercapacitor devices, demonstrating high performance in energy storage and power density.
Electrochemical energy storage is a current research area to address energy challenges of the modern world. The Cu2FeSnS4/PVP/rGO-decorated nanocomposite using PVP as the surface ligand was explored in a simple one-step solvothermal route, for studying their electrochemical behavior by designing asymmetric hybrid supercapacitor devices. The full cell three-electrode arrangements delivered 748 C/g (62.36 mA h/g) at 5 mV/s employing CV and 328 F/g (45.55 mA h/g) at 0.5 A/g employing GCD for the Cu2FeSnS4/PVP/rGO electrode. The half-cell two-electrode device can endow with 73 W h/kg and 749 W/kg at 1 A/g energy and power density. Furthermore, two Cu2FeSnS4/PVP/rGO//AC asymmetric devices connected in series for illuminating a commercial red LED more than 1 min were explored. This work focuses the potential use of transition-metal chalcogenide composite and introduces a new material for designing high-performance supercapacitor applications.

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