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$Ti_{3}Si_{0.75}Al_{0.25}C_{2}$ Nanosheets as Promising Anode Material for Li-Ion Batteries
| Content Provider | MDPI |
|---|---|
| Author | Xu, Jianguang Wang, Qiang Li, Boman Yao, Wei He, Meng |
| Copyright Year | 2021 |
| Description | Herein we report that novel two-dimensional (2D) $Ti_{3}Si_{0.75}Al_{0.25}C_{2}$ (TSAC) nanosheets, obtained by sonically exfoliating their bulk counterpart in alcohol, performs promising electrochemical activities in a reversible lithiation and delithiation procedure. The as-exfoliated 2D TSAC nanosheets show significantly enhanced lithium-ion uptake capability in comparison with their bulk counterpart, with a high capacity of ≈350 mAh $g^{−1}$ at 200 mA $g^{−1}$, high cycling stability and excellent rate performance (150 mAh $g^{−1}$ after 200 cycles at 8000 mA $g^{−1}$). The enhanced electrochemical performance of TSAC nanosheets is mainly a result of their fast Li-ion transport, large surface area and small charge transfer resistance. The discovery in this work highlights the uniqueness of a family of 2D layered MAX materials, such as $Ti_{3}GeC_{2}$, $Ti_{3}SnC_{2}$ and $Ti_{2}$SC, which will likely be the promising choices as anode materials for lithium-ion batteries (LIBs). |
| Starting Page | 3449 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano11123449 |
| Journal | Nanomaterials |
| Issue Number | 12 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-12-20 |
| Access Restriction | Open |
| Subject Keyword | Nanomaterials Environmental Sciences Max Phases Ultrathin Nanosheets Lithium-ion Battery Electrochemical Performance Anode Materials |
| Content Type | Text |
| Resource Type | Article |
