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https://idr.l1.nitk.ac.in/jspui/handle/123456789/15396
Title: | Electrochemical hydrogen-storage performance of copper sulfide micro-hexagons |
Authors: | Bhat K.S. Nagaraja H.S. |
Issue Date: | 2021 |
Citation: | International Journal of Hydrogen Energy Vol. 46 , 7 , p. 5530 - 5536 |
Abstract: | Electrochemical hydrogen-storage is one of the prominent energy storage systems. In this work, the hydrothermally synthesized copper sulfide (Cu2S) revealed a unique morphology of micro-hexagons as envisioned through scanning electron microscopy measurements. Electrochemical hydrogen storage (EHS) performance was evaluated using various electrochemical techniques, such as cyclic voltammetry, galvanostatic charge-discharge, and impedance spectroscopy measurements. The hydrogen discharge capacity of ~59.32 mAh g−1 was obtained at an applied current density of 1 A g−1. Further, the analysis of the charge-storage mechanism indicates foremost contributions from the redox processes. The prominent hydrogen storage performance is complimented with reasonable cyclic retention for 2500 cycles. © 2020 Hydrogen Energy Publications LLC |
URI: | https://doi.org/10.1016/j.ijhydene.2020.11.133 http://idr.nitk.ac.in/jspui/handle/123456789/15396 |
Appears in Collections: | 1. Journal Articles |
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