Abstract
Heteroatom-doping in carbon structures plays a key role in the catalytic activities. We report bio-derived porous carbon catalysts by a self-contained nitrogen in orange peels with additional boron co-doping. This heteroatom co-doped porous carbon materials are coated with the ketjenblack nanoparticles (KB-BNPC) to increase electrical conductivity. We newly discover that the KB-BNPC electrocatalyst increases electrocatalytic activities toward vanadium redox couples of V2+/V3+ and VO2+/VO2+, demonstrating the improvement of redox onset potentials and peak currents. Notably, we control the doping ratio of B and N atoms, suggesting that B/N ratio of 0.65 gives rise to a synergistic effect of the heteroatoms for vanadium redox reactions. We believe that the optimized porous structures and defects in the KB-BNPC catalyst can facilitate the absorption and desorption of the vanadium ions by enhancing electron and mass transfer kinetics.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: 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.