Abstract
Lithium metal batteries hold a great promise for next-generation high-energy-density energy storage devices. However, severe Li dendrite growth and low Coulombic efficiency limit the application of lithium metal as anodes in Li batteries. Herein, we report a novel N-doped carbon host decorated with in-situ generated Li–Si alloy and Li3N for Li metal anode, showing a high theoretical specific capacity of 3090.0 mAh g−1. The as-prepared lithium composite (SiO2-N-CP@Li) electrode maintains stable cycling for over 960 h at 1.0 mA cm−2/1.0 mAh cm−2 and still has excellent stability (>900 h) especially at a high current density of 5.0 mA cm−2. Furthermore, when the SiO2-N-CP@Li anode is paired with LiFePO4 (LFP) cathode, the assembled full cell manages to deliver an impressive cycling performance for 450 cycles at 1C. This work offers a new insight for the rational design and utilization of Li metal anode in the next-generation high-energy-density batteries.
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.
