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Published on: December 5, 2019
Interface Engineering Modulation of 3D Layered Ti3C2Tx/MoS1.5Se0.5 Composite Aerogel for Advanced Anode in Sodium-Ion
Xinhui Jin1, Dejie Mo1, Xikun Zhang2
1Key Lab of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, The College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, China.
Abstract:
Sodium-ion batteries (SIBs) are limited in practical application due to the lack of an anode material with sufficient lifetime and excellent rate performance. To address this issue, Se-doped MoS2 nanosheets grown on 3D MXene aerogel (Ti3C2Tx/MoS1.5Se0.5) is proposed as advanced anode material in SIBs. The 3D MXene aerogel structure, the directional arrangement of the MoS2 nanosheets, and the in situ heterostructure facilitate the rapid transfer of Na+, mitigate the volume expansion during sodium ion storage, and generate more active sites. Se doping can expand the interlayer spacing of MoS2 and form a large number of defects. This work can provide a feasible strategy for develop advanced MXene-based electrodes materials.
