Harnessing dithiocarbamate ligands for enhanced energy storage: advancing with Cu2S:Sb2S3:Ni3S2 trichalcogen complexes in battery technology

Shaan Bibi Jaffri, Khuram Shahzad Ahmad*, Bhumikaben Makawana, Ram K. Gupta, Ahmed Nadeem, Sabry M. Attia

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Chelation with the diethyldithiocarbamate ligand yields a novel semiconducting Cu2S: Sb2S3: Ni3S2 metal chalcogen. The current work intends to improve the performance of charge storing contraptions for the first time by using dithiocarbamate ligands. Having a band gap of 2.55 eV and diverse crystallographic features with a median crystallite size of 44.21 nm, this photo-active material exhibits exceptional optical performance. Infrared spectroscopy identified metallic sulfide connections, ranging from 519 to 909 cm−1. The electrochemical characteristics of the Cu2S: Sb2S3: Ni3S2 was evaluated utilizing a KOH background electrolyte (1 M) and a standard three-electrode arrangement. The trichalcogenide has a power density of 7053.64 W kg−1 and a very substantial unit capacity of as high as 487.36 mAh g−1, making it the perfect electrode material for battery applications. The similar serial resistance (Rs) of 0.09 Ω further confirmed the excellent electrochemical result. Chronoamperometric analysis over 1500 min showed stable electrochemical behaviour of the Cu2S: Sb2S3: Ni3S2 composite.
Original languageEnglish
Article number115737
JournalJournal of Energy Storage
Volume114
Issue numberPart A
Early online date10 Feb 2025
DOIs
Publication statusPublished - 1 Apr 2025

Funding

Also, the authors want to acknowledge the Higher Education Commission, Pakistan for provisioning of National Research Program for Universities (NRPU-15782). The authors acknowledge and extend their appreciation to the Researchers Supporting Project Number (RSP2025R124), King Saud University, Riyadh, Saudi Arabia.

Keywords

  • Mixed metal sulphides
  • Transition metals
  • Storage capacity
  • Electrode
  • Crystallinity

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