Abstract
Electrochemical energy storage has garnered significant attention from the scientific community and energy stakeholders due to its prospective applications, including e-vehicles. The present work aims to improve charge-storage device performance through the use of the novel semiconductor chalcogenide BaS:MnS:DyS, which is synthesized by chelating with diethyldithiocarbamate ligand. Remarkable photo-activity was detected for this semiconductor with an energy band gap of 3.59 eV. With mixed crystalline phases, the generated chalcogenide had an average crystallite size of 18.73 nm, exhibiting auspicious crystallinity. Furthermore, infrared spectroscopy was used to identify metallic sulfide connections, which were found to range between 400 and 967 cm−1. Double step thermal decomposition was confirmed by thermogravimetric analysis. A greater volume-surface area ratio and the existence of many sites were suggested by particles with varying shapes and a fusion resembling rod. With a background electrolyte of 1 M KOH, a conventional three-electrode setup was used to assess the BaS:MnS:DyS electrochemical performance. With a specific power density of 10826.7 W kg−1 and a specific capacitance of up to 824.13 F g−1, BaS:MnS:DyS is an excellent electrode material for energy storage applications. This noteworthy electrochemical performance was further substantiated by the similar series resistance (Rs) = 0.77 Ω.
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