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- Title
Strongly Coupled MoS<sub>2</sub> Nanocrystal/Ti<sub>3</sub>C<sub>2</sub> Nanosheet Hybrids Enable High‐Capacity Lithium‐Ion Storage.
- Authors
Hu, Zhongli; Kuai, Xiaoxiao; Chen, Juntong; Sun, Pengfei; Zhang, Qiaobao; Wu, Hong‐Hui; Zhang, Li
- Abstract
Smart integration of transition‐metal sulfides/oxides/nitrides with the conductive MXene to form hybrid materials is very promising in the development of high‐performance anodes for next‐generation Li‐ion batteries (LIBs) owing to their advantages of high specific capacity, favorable Li+ intercalation structure, and superior conductivity. Herein, a facile route was proposed to prepare strongly coupled MoS2 nanocrystal/Ti3C2 nanosheet hybrids through freeze‐drying combined with a subsequent thermal process. The Ti3C2 host could enhance the reaction kinetics and buffer the volume change of MoS2 at a low content (8.87 wt %). Thus, the MoS2/Ti3C2 hybrids could deliver high rate performance and excellent cycling durability. As such, high reversible capacities of 835.1 and 706.0 mAh g−1 could be maintained after 110 cycles at 0.5 A g−1 and 1390 cycles at 5 A g−1, respectively, as well as an outstanding rate capability with a capacity retention over 65.8 % at 5 A g−1. This synthetic strategy could be easily extended to synthesize other high‐performance MXene‐supported hybrid electrode materials.
- Subjects
TRANSITION metal oxides; CHEMICAL kinetics; LITHIUM-ion batteries; STORAGE; ANODES; NITRIDES; SULFIDE ores
- Publication
ChemSusChem, 2020, Vol 13, Issue 6, p1485
- ISSN
1864-5631
- Publication type
Article
- DOI
10.1002/cssc.201902702