Abstract
This paper reports the facile hydrothermal synthesis of Co(OH)F crystallites on a nickel-foam (NF) substrate for the oxygen evolution reaction (OER). Scanning and transmission electron microscopy showed that the as-synthesized Co(OH)F crystallites consisted of different rhombohedral, octahedral, and decahedral shapes, 0.3–0.5 μm in size. The desired Co(OH)F catalyst synthesized in this study delivered a lower overpotential of 273 mV at a current density of 10 mA cm−2, with a smaller Tafel slope of only 45 mV dec−1, compared to other fluoride-containing catalysts because of their unique structural features, higher double-layer capacitance, and rapid charge transfer. Furthermore, a stable potential was maintained for more than 20 h during the chronopotentiometry test at a constant current density of 10 mA cm−2.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
