期刊
ACS MATERIALS LETTERS
卷 4, 期 8, 页码 1411-1421出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsmaterialslett.2c00335
关键词
-
资金
- National Natural Science Foundation of China [21974007, 22090043]
Hybrid architectures integrating Fe7S8@NC@MoS2 with a three-dimensional heterostructure are designed in this study. The adjustable voids of the material can buffer the volume change during intercalation of metal ions. Additionally, the presence of MoS2 enhances electronic conductivity and metal ion transfer, resulting in improved battery performance.
Hybrid architectures can effectively integrate the merits of individual components to promote the storage properties of lithium and sodium ions. Herein, a delicate design of Fe7S8@NC@MoS2 with three-dimensional heterostructure is produced via a precise template-engaged strategy by the aid of a metal organic framework and followed by covering in situ formed MoS2 nanosheets. The well-designed anode material shows adjustable voids between the core Fe7S8 and the carbon shell to buffer the volume change upon intercalation and deintercalation of metal ions. Additionally, the outer MoS2 layer enhances both electronic conductivity and metal ion transfer, which further results in fast rate performance for both lithium- and sodium-ion batteries.
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