International Journal on Science and Technology

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Engineered Cadmium and Manganese Nanomaterials: Performance Evaluation in Energy Storage and Catalytic Systems

Author(s) Rajanilatha K, Dr. Shailendra Jain
Country India
Abstract Cd and Mn nanomaterials engineered have become promising in the two fields of energy storage and catalytic systems. This paper provides a detailed comparison of the electrochemical and catalytic activity of pure CdO, pure MnO2, and Cd -Mn nanocomposites synthesized through the controlled precipitation and calcination techniques. These materials were described by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and electrochemical impedance spectroscopy (EIS). The storage performance of energy was estimated by measuring lithium-ion battery (LIB) and supercapacitor, and the catalytic performance was estimated by measuring oxidative degradation of model organic pollutants in ambient conditions. Cd-Mn composite nanomaterial showed a high level of specific capacitance of 310 F/g at 1 A/g current density, which is better than CdO of 180 F/g and MnO2 of 240 F/g. The Cd-Mn composite was found to have a reversible specific capacity of 380 mAh/g in battery usage and exhibited catalytic degradation efficiency of 88 and 84 with organic dyes and nitro-aromatic compounds, respectively. This was due to the synergistic effect of Cd and Mn components, growth in the surface area (72-98 m 2/G), and electron transfer kinetics. These findings demonstrate that Cd-Mn nanomaterials are an efficient multifunctional material that can solve energy and environmental problems at the same time.
Keywords nanomaterials, cadmium, manganese, energy storage, supercapacitors, batteries, catalysis, electrochemical performance.
Published In Volume 16, Issue 2, April-June 2025
Published On 2025-06-13
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