Kumar, A.Mukesh, P.Lakshmi Sagar, G.Hegde, A.Nagaraja, H.S.2026-02-042024Journal of Electroanalytical Chemistry, 2024, 964, , pp. -15726657https://doi.org/10.1016/j.jelechem.2024.118327https://idr.nitk.ac.in/handle/123456789/21035In this study, a novel nanocomposite material comprising pure Fe<inf>3</inf>O<inf>4</inf> (FO), doped Zn<inf>0.5</inf>Cu<inf>0.5</inf>Fe<inf>2</inf>O<inf>4</inf>-3 (ZCFO-3), and Zn<inf>0.5</inf>Cu<inf>0.5</inf>Fe<inf>2</inf>O<inf>4</inf>-3@ Multi-walled carbon nanotube (ZCFO-3@MWCNT) nanocomposite material is carefully prepared using a simple one-step hydrothermal process. Comprehensive surface and morphological analysis are conducted using X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), and High-resolution transmission electron microscopy (HRTEM), while compositional studies are investigated through Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). The electrochemical performance is fully analyzed through Cyclic voltammetry (CV), Electrochemical impedance spectroscopy (EIS), rate capability tests, discharge/charge capacity, and cyclic stability evaluations. Among these three nanomaterials, ZCFO-3@MWCNT nanocomposite at 100 mA g−1 current density reveals the best performance, with a discharge capacity of 1974 mAh g–1, ZCFO-3 and FO reveal 1340 mAh g–1 and 1317 mAh g–1 respectively. After 800 cycles at 500 mA g−1 current density, ZCFO-3@MWCNT stays strong with a discharge capacity of 646 mAh g–1, while ZCFO-3 manages only 362 mAh g–1 and FO only 111 mAh g–1. After 1200 cycles at 500 mA g−1, the nanocomposite still delivers 518 mAh g–1. This study suggests that ZCFO-3@MWCNT could be a promising anode material for lithium-ion batteries. © 2024 Elsevier B.V.AnodesCopperCyclic voltammetryElectrochemical impedance spectroscopyFerriteField emission microscopesHigh resolution transmission electron microscopyIonsLithium-ion batteriesMagnetiteMultiwalled carbon nanotubes (MWCN)NanocompositesScanning electron microscopyX ray photoelectron spectroscopyZincAnode performanceCarbon nanotube nanocompositesCarbon nanotubes compositesDischarge capacitiesDouble dopingHydrothermal methodsMulti-walled-carbon-nanotubesMWCNT'sOctahedralZinc copper ferrite/MWCNTElectric discharges