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https://hdl.handle.net/20.500.14279/17201
Τίτλος: | Nanostructured Fe-Ni Sulfide: A Multifunctional Material for Energy Generation and Storage | Συγγραφείς: | Zhao, Chen Zhang, Chunyang Bhoyate, Sanket Kahol, Pawan K. Kostoglou, Nikolaos Mitterer, Christian Hinder, Steve Baker, Mark A. Constantinides, Georgios Polychronopoulou, Kyriaki Rebholz, Claus Gupta, Ram K. |
Major Field of Science: | Engineering and Technology | Field Category: | Materials Engineering | Λέξεις-κλειδιά: | FeNiS;electrocatalyst;cyclic voltammetry;supercapacitor;cyclic stability;flexibility | Ημερομηνία Έκδοσης: | 11-Ιου-2019 | Πηγή: | Catalysts, 2019, vol. 9, no. 7 | Volume: | 9 | Issue: | 7 | Περιοδικό: | Catalysts | Περίληψη: | Multifunctional materials for energy conversion and storage could act as a key solution for growing energy needs. In this study, we synthesized nanoflower-shaped iron-nickel sulfide (FeNiS) over a nickel foam (NF) substrate using a facile hydrothermal method. The FeNiS electrode showed a high catalytic performance with a low overpotential value of 246 mV for the oxygen evolution reaction (OER) to achieve a current density of 10 mA/cm2, while it required 208 mV at 10 mA/cm2 for the hydrogen evolution reaction (HER). The synthesized electrode exhibited a durable performance of up to 2000 cycles in stability and bending tests. The electrolyzer showed a lower cell potential requirement for a FeNiS-Pt/C system (1.54 V) compared to a standard benchmark IrO2-Pt/C system (1.56 V) to achieve a current density of 10 mA/cm2. Furthermore, the FeNiS electrode demonstrated promising charge storage capabilities with a high areal capacitance of 13.2 F/cm2. Our results suggest that FeNiS could be used for multifunctional energy applications such as energy generation (OER and HER) and storage (supercapacitor). | Description: | This article belongs to the Special Issue Catalysis for Energy Production | URI: | https://hdl.handle.net/20.500.14279/17201 | ISSN: | 20734344 | DOI: | 10.3390/catal9070597 | Rights: | Open Access | Type: | Article | Affiliation: | Cyprus University of Technology Pittsburg State University Montanuniversität Leoben University of Surrey Khalifa University University of Cyprus |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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catalysts-09-00597.pdf | Full text | 2.34 MB | Adobe PDF | Δείτε/ Ανοίξτε |
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