Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6141
Title: Zinc electrode morphology evolution in high energy density nickel-zinc batteries
Authors: Payer, Gizem
Ebil, Özgenç
Payer, Gizem
Ebil, Özgenç
Izmir Institute of Technology. Chemical Engineering
Keywords: Electric batteries
High energy densities
Zinc
Nickel
Initial morphology
Issue Date: 2016
Publisher: Hindawi Publishing Corporation
Source: Payer, G., and Ebil, Ö. (2016). Zinc electrode morphology evolution in high energy density nickel-zinc batteries. Journal of Nanomaterials. 2016. doi:10.1155/2016/1280236
Abstract: Prismatic Nickel-Zinc (NiZn) batteries with energy densities higher than 100 Wh kg-1 were prepared using Zn electrodes with different initial morphologies. The effect of initial morphology of zinc electrode on battery capacity was investigated. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) reveal that initial morphology of zinc electrode changes drastically after a few charge/discharge cycles regardless of initial ZnO powder used. ZnO electrodes prepared using ZnO powders synthesized from ZnCl2 and Zn(NO3)2 lead to average battery energy densities ranging between 92 Wh kg-1 and 109 Wh kg-1 while using conventional ZnO powder leads to a higher energy density, 118 Wh kg-1. Average discharge capacities of zinc electrodes vary between 270 and 345 mA g-1, much lower than reported values for nano ZnO powders in literature. Higher electrode surface area or higher electrode discharge capacity does not necessarily translate to higher battery energy density.
URI: http://doi.org/10.1155/2016/1280236
http://hdl.handle.net/11147/6141
ISSN: 1687-4110
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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