Abstract

The Zinc Sulfide nanoparticles were synthesized by simple chemical reaction of ZnCl 2 and Sulphur powder in aqueous solution. The main advantage of this method is the use of non-toxic precursors and water as solvent. The BZ1 and NZ2 samples reveal an average particle size respectively 510 and 43.7 nm. The structural, morphological, chemical composition and optical properties of the nanoparticles were investigated by X-ray diffraction, Scanning electron Microscopy, and Energy-dispersive X-ray Spectroscopy, Ultra Violet Spectroscopy and Electrochemical studies. The NZ2 sample showed a high discharge capacity of 362 mAh g -1 , whereas the BZ1 sample showed a discharge capacity of 120 mAh g -1 . The discharge capacity of NZ2 sample based cathode was 33.1 % higher than BZ1 sample based cathode. Thus, the above studies confirm that zinc sulfide nano powders show promise application as a cathode material for Mg/ZnS primary cell.

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