Sulfur-Doped Graphdiyne as a High-Capacity Anode Material for Lithium-Ion Batteries.

ABSTRACT: Heteroatom doping is regarded as a promising approach to enhance the electrochemical performance of carbon materials, while the poor controllability of heteroatoms remains the main challenge. In this context, sulfur-doped graphdiyne (S-GDY) was successfully synthesized on the surface of copper foil using a sulfur-containing multi-acetylene monomer to form a uniform film. The S-GDY film possesses a porous structure and abundant sulfur atoms decorated homogeneously in the carbon skeleton, which facilitate the fast diffusion and storage of lithium ions. The lithium-ion batteries (LIBs) fabricated with S-GDY as anode exhibit excellent performance, including the high specific capacity of 920 mA h g-1 and superior rate performances. The LIBs also show long-term cycling stability under the high c

SUBMITTER: Kong F 

PROVIDER: S-EPMC8145426 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature