Investigate of electrochemical hydrogen storage and coulombic efficiency of NiAl2O4/NiO synthesized by cationic,anionic and polymeric surfactants: Green synthesis and characterization |
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| Affiliation: | 1. Research Center for Environmental Determinants of Health (RCEDH), Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran;2. Department of Environmental Health Engineering, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran;3. Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran;4. Department of Materials Engineering, College of Engineering, University of Al-Qadisiyah, Diwaniyah, Iraq;5. Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317– 51167, Islamic Republic of Iran |
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| Abstract: | In this work, NiAl2O4/NiO nanostructures organized with olive leaf extract have been used in hydrogen storage due to the importance of hydrogen storage and green synthesis of nanoparticles. The synthesized NiAl2O4/NiO nanostructures have been characterized by using XRD, EDS, FT-IR and their morphology, porosity are investigated with SEM and BET, respectively. To improve the performance of hydrogen storage of NiAl2O4/NiO spinel have been used cationic (CTAB), anionic (SDS) and polymeric (PVP) surfactants in the preparation of nickel aluminate. The use of polymeric surfactants (PVP) increased the hydrogen storage capacity from 1100mAh/g (for synthesized without surfactant)to 3000 mAh/g and also improved the Columbic efficiency from 55 to 75%. |
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| Keywords: | Green chemistry Nickel aluminate nanostructures Olive leaf extract Electrochemical hydrogen storage |
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