Abstract
AbstractSuppressing the shuttling of dissolved lithium polysulfides (LiPSs) is an indispensable strategy to extend the cycling life of lithium‐sulfur (Li−S) batteries. One strategy is absorbing the LiPSs by modifying separator of Li−S batteries. Herein, we show a novel nitrogen‐doped graphitized carbon (NGC) derived from coconut shell, which was annealed by flash Joule heating at ultrahigh temperature within seconds. The NGC was coated on the polypropylene (PP) separator to prepare the modified PP separator, which enabled the Li−S batteries to work stably at 1 C with a low fading rate of 0.09 % from 788 mAh g−1. Microscopy analysis and Raman spectrum reveal that the high‐graphitization carbon with heavily nitrogen‐doping strengthens the adsorption of LiPSs in the charge/discharge process.
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.
