Abstract
The rational design of high-performance tri-functional electrocatalysts plays an important role for the fast development of Zn-air batteries (ZABs) and water splitting and still remains a great challenge up to date. Herein, Co4N nanoparticles encapsulated in nitrogen doped carbon (Co4N@NC) composite has been conveniently fabricated which shows excellent stability over 750 h at 5 mA cm−2 and the voltage gap remain almost constant for long cycles. Flexible ZABs assembled based on this catalyst can be normally charged/discharged at any bent angles. Co4N@NC also can be used as HER catalyst to derive efficient splitting water under the ZABs which are assembled with Co4N@NC as ORR/OER catalyst. Density functional theory calculations reveal that N-doping in Co crystal could improve electronic conductivity, decrease the overpotential and accelerate reaction kinetics for OER/ORR. The above results indicate that Co4N@NC can be used as promising tri-functional high performance catalyst for Zn-air battery and overall water splitting.
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.