Dy3Fe5O12 and DyFeO3 nanostructures: Green and facial auto-combustion synthesis, characterization and comparative study on electrochemical hydrogen storage

Although the technology of hydrogen energy heightened gradually, the application of binary metal oxides as a host for hydrogen sorption has not been widely established. Here we show, with a facial combustion method, the formation of Dy3Fe5O12 and DyFeO3 nano-structures with maximum average particle sizes ranging from 25 to 30 and 16-18 nm, respectively. The physical properties of the samples were served which further reflect in hydrogen storage properties. The discharge capacities of Dy3Fe5O12 and DyFeO3 nano-particles were obtained at 2000 and 2100 mA h/g, respectively. The hydrogen storage properties were confirmed in their respective current-voltage cycles, prior to chronopotentiometry. (c) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.