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MXene-based titanium carbide with superior electrochemical performance for supercapacitor electrodes
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DOI：10.1002/bkcs.70098.png)
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Abstract
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Ti3C2Tx MXene modified via a hydrothermal etching process was employed as an electrode material for supercapacitors. Unlike the conventional HF-based method, this study utilized hydrochloric acid (HCl) and lithium fluoride (LiF) as a safer and less hazardous alternative for removing the Al layer from the Ti3AlC2 Mn+1XnTx phase. The crystal structure of Ti3C2Tx MXene remained stable even after delamination. Electrochemical evaluation revealed that the modified MXene electrode exhibited a higher specific capacitance of 274.87 F g-1 compared to previously reported Ti3C2Tx MXene. This study established a relatively safe synthesis route via the LiF/HCl hydrothermal etching method and achieved high specific capacitance and excellent electrochemical stability when applied as a supercapacitor electrode.
Keywords:
electrode
HCl
LiF
MXene
supercapacitor
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