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December 31, 2020Energy & Fuels

Construction of Ce-Doped NiCo-LDH@CNT Nanocomposite Electrodes for High-Performance Supercapacitor Application

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Authors

MDMohammad DinariHAHosein AllamiMMMohamad Mohsen Momeni

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Overview

Experimental study demonstrates enhanced capacitance and cyclability in cerium-doped nickel-cobalt hydroxide nanotube electrodes, highlighting their promise for robust supercapacitor applications.

Key Points

  • To synthesize and evaluate a hierarchical Ce-doped NiCo-LDH@CNT nanocomposite electrode material designed for high-performance supercapacitor energy storage applications.
  • Synthesized Ce-doped NiCo-LDH nanosheets directly on carbon nanotube (CNT) scaffolds via a hydrothermal method to prevent aggregation and increase electrical conductivity.
  • Assessed electrochemical performance, gravimetric specific capacitance, rate properties, and cycle life in an aqueous potassium hydroxide (KOH) electrolyte solution.
  • The Ce-doped NiCo-LDH/CNT nanocomposite electrode achieved a gravimetric specific capacitance of 187.2 F/g at a current density of 1 A/g.
  • The material retained approximately 85.6% of its initial capacitance after 9,000 cycles, preserving nearly 100% Coulombic efficiency in KOH solution.

Cite This Study

Dinari et al. (2020) studied this question.

synapsesocial.com/papers/6a7f4ca4bafd867e199d2e29https://doi.org/10.1021/acs.energyfuels.0c03764
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