钠离子电池高级负极用三维层状Ti3C2Tx/MoS1.5Se0.5复合气凝胶的界面工程调制

IF 10.7 2区材料科学 Q1 CHEMISTRY, PHYSICAL

Small Methods Pub Date : 2025-07-02 DOI:10.1002/smtd.202500985

Xinhui Jin, Dejie Mo, Xikun Zhang, Lirong Feng, Baolian Su, Xiaohui Guo

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引用次数: 0

摘要

由于缺乏具有足够寿命和优异倍率性能的负极材料，钠离子电池的实际应用受到了限制。为了解决这一问题，在三维MXene气凝胶上生长的硒掺杂MoS2纳米片（Ti3C2Tx/MoS1.5Se0.5）被提出作为sib的高级阳极材料。三维MXene气凝胶结构、MoS2纳米片的定向排列以及原位异质结构有利于Na+的快速转移，减轻了钠离子储存过程中的体积膨胀，并产生了更多的活性位点。硒的掺杂会扩大二硫化钼的层间距，形成大量的缺陷。这项工作为开发先进的mxene基电极材料提供了一种可行的策略。

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Interface Engineering Modulation of 3D Layered Ti₃C₂T_x/MoS_1.5Se_0.5 Composite Aerogel for Advanced Anode in Sodium-Ion Batteries.

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 (Ti₃C₂T_x/MoS_1.5Se_0.5) 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.

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来源期刊

Small Methods Materials Science-General Materials Science

CiteScore

17.40

自引率

1.60%

发文量

347

期刊介绍： Small Methods is a multidisciplinary journal that publishes groundbreaking research on methods relevant to nano- and microscale research. It welcomes contributions from the fields of materials science, biomedical science, chemistry, and physics, showcasing the latest advancements in experimental techniques. With a notable 2022 Impact Factor of 12.4 (Journal Citation Reports, Clarivate Analytics, 2023), Small Methods is recognized for its significant impact on the scientific community. The online ISSN for Small Methods is 2366-9608.