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<p>The selection of precursor materials is of foremost importance in enhancing the electrochemical performance of electrode materials utilized in supercapacitors. This investigation carefully assesses the influence of various salts derived from cadmium, namely cadmium nitrate (Cd (NO₃) ₂), cadmium acetate (Cd (CH₃COO) ₂), and cadmium sulfate (CdSO₄), on the structural, morphological, and electrochemical characteristics of cadmium electrodes. The results highlight how differences in precursor materials can lead to significant variations in surface area and overall energy storage capability, thereby impacting the efficiency of the supercapacitor. A comprehensive understanding of the correlation between precursor selection and material performance is vital for propelling the advancement of supercapacitor technology, as it facilitates the design of electrodes with customized properties to meet specific application requirements. The salts function as initial agents for producing cadmium-centric nanostructures via a one-step hydrothermal method, following which they find application in supercapacitor electrode fabrication. The materials produced are analyzed through techniques such as X-ray diffraction, Field Emission Scanning Electron Microscopy, Cyclic Voltammetry, Chronopotentiometry, and Electrochemical Impedance Spectroscopy to evaluate their crystallinity, surface structure, and capacitive behavior. Electrochemical studies reveal that the choice of precursor significantly influences ion diffusion, charge storage capacity, and overall energy density. Among the tested precursors, Cadmium Nitrate salt demonstrates superior electrochemical properties, exhibiting a high specific capacitance, i.e.,.<b>275.69&#xa0;F/g</b>, excellent rate capability. This work provides valuable insights into the optimization of precursor selection for enhanced energy storage performance in Cadmium-based Supercapacitors.</p>

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Optimization of cadmium-precursors in hydrothermal synthesis of CdO for electrochemical energy Storage

  • 期刊论文

  • 发表日期：

    2026年1月27日

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  • Prathamesh B. Dahivade,
  • Swapnil N. Pawar,
  • Mahadev T. Mhetre,
  • Balkrishna J. Lokhande

摘要

The selection of precursor materials is of foremost importance in enhancing the electrochemical performance of electrode materials utilized in supercapacitors. This investigation carefully assesses the influence of various salts derived from cadmium, namely cadmium nitrate (Cd (NO₃) ₂), cadmium acetate (Cd (CH₃COO) ₂), and cadmium sulfate (CdSO₄), on the structural, morphological, and electrochemical characteristics of cadmium electrodes. The results highlight how differences in precursor materials can lead to significant variations in surface area and overall energy storage capability, thereby impacting the efficiency of the supercapacitor. A comprehensive understanding of the correlation between precursor selection and material performance is vital for propelling the advancement of supercapacitor technology, as it facilitates the design of electrodes with customized properties to meet specific application requirements. The salts function as initial agents for producing cadmium-centric nanostructures via a one-step hydrothermal method, following which they find application in supercapacitor electrode fabrication. The materials produced are analyzed through techniques such as X-ray diffraction, Field Emission Scanning Electron Microscopy, Cyclic Voltammetry, Chronopotentiometry, and Electrochemical Impedance Spectroscopy to evaluate their crystallinity, surface structure, and capacitive behavior. Electrochemical studies reveal that the choice of precursor significantly influences ion diffusion, charge storage capacity, and overall energy density. Among the tested precursors, Cadmium Nitrate salt demonstrates superior electrochemical properties, exhibiting a high specific capacitance, i.e.,.275.69 F/g, excellent rate capability. This work provides valuable insights into the optimization of precursor selection for enhanced energy storage performance in Cadmium-based Supercapacitors.