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Intercalant-free, restacking-suppressed single-layer Ti₃C₂Tₓ MXene scaffolds for durable electrochemical energy storage
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DOI：10.1016/j.apmt.2026.103258.png)
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Abstract
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• Single-layer Ti₃C₂Tₓ MXene synthesized via prolonged, intercalant-free sonication. • Freeze-drying suppressed restacking and preserved open nanosheet architectures. • SL-MXene exhibits a 4.5-fold higher surface area (128 m2 g⁻1) than ML-MXene. • Enhanced capacitance (329 F g⁻¹) and rate capability (79.1% at 20 A g⁻¹) achieved. • Ultra-stable performance with 99.1% capacitance retention over 20,000 cycles.
Keywords:
Ti₃C₂Tₓ MXene
single-layer
electrochemical energy storage
capacitance
stability
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