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

Sulfur-Doped Graphdiyne as a High-Capacity Anode Material for Lithium-Ion Batteries.
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DOI:
10.3390/nano11051161
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发表时间:
2021-04-29
期刊:
Nanomaterials (Basel, Switzerland)
影响因子:
--
通讯作者:
Ren S
Ren S
中科院分区:
其他
文献类型:
--
作者:
Kong F;Yue Y;Li Q;Ren S

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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 current density. This result could potentially provide a modular design principle for the construction of high-performance anode materials for lithium-ion batteries.
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