TiO<sub>2</sub> encrusted MXene as a High-Performance anode material for Li-ion batteries
<p dir="ltr">TiO<sub>2</sub> has the potential to be a viable anode material for high-power lithium-ion batteries (LIBs). However, the lower electronic conductivity of TiO<sub>2</sub> limits its practical applications. Here, the synthesis of novel TiO<sub&g...
محفوظ في:
| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | , , , , , |
| منشور في: |
2022
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| الملخص: | <p dir="ltr">TiO<sub>2</sub> has the potential to be a viable anode material for high-power lithium-ion batteries (LIBs). However, the lower electronic conductivity of TiO<sub>2</sub> limits its practical applications. Here, the synthesis of novel TiO<sub>2</sub> decorated Ti<sub>3</sub>C-MXene anode for LIBs using in-situ hydrolysis is discussed. MXenes are well known for their outstanding structural stability and superior electronic conductivities; thus, using MXenes as a host material for TiO<sub>2</sub> may improve its structural and electrical characteristics. Scanning and transmission electron microscopy (SEM & TEM) examination revealed that the in-situ method resulted in a uniform and comformal coating of TiO<sub>2</sub> (27.5 nm) on the inner and outer surfaces of MXene surfaces. BET analysis revealed that the larger surface area of MXene-TiO<sub>2</sub> nanocomposite enhanced the active sites for lithium intercalation, which improved electrochemical performance. Furthermore, electrochemical impedance spectroscopy (EIS) analysis revealed faster kinetics for MXene-TiO<sub>2</sub> materials when compared to the TiO<sub>2</sub> anode. Compared to pristine TiO<sub>2</sub> anode, 5 wt% MXene-TiO<sub>2</sub> nanocomposite showed significantly better electrochemical performance, with an electrochemical capacity of around 200 mAhg<sup>−1</sup> at 0.1C. Nanocomposites based on MXene-TiO<sub>2</sub> exhibit outstanding electrochemical performance, indicating the potential for using MXene-based nanocomposites as an anode in high-performance lithium-ion batteries.</p><h2>Other Information</h2><p dir="ltr">Published in: Applied Surface Science<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.apsusc.2022.152441" target="_blank">https://dx.doi.org/10.1016/j.apsusc.2022.152441</a></p> |
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