Synthesis of phyto-mediated CuO–ZrO2 nanocomposite and investigation of their role as electrode material for supercapacitor and water splitting studies
Source abstract
Abstract
The present research focused on environmentally benign synthesis of CuO–ZrO2 nanocomposite using bioactive compounds of A. viridis. Phase analysis of CuO–ZrO2 using Xray diffraction revealed the crystal size of 30.3 nm. Scanning electron microscope showed spherical-shaped nanoparticles of 88 nm size. The band gap value of 2.25 eV was obtained. The synthesized CuO–ZrO2 material was further investigated as electrode material for supercapacitor and water splitting studies. Cyclic voltammetry was used to estimate the specific capacitance value of 374.7 F/g, and galvanostatic charge discharge was used to determine the specific capacitance value of 286.3 F/g. Electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV) were used to conduct HER and OER experiments. Tafel value of 143 mV/dec and overpotential value of 225 mV was recorded for composite by LSV for hydrogen evolution reaction. Graphical abstract: [Figure not available: see fulltext.].
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Copper-based nanomaterials and applications · Supercapacitor Materials and Fabrication · Electrocatalysts for Energy Conversion
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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