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Updated: Mar 14, 2026
09:58
Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording
Published on: February 12, 2020
14.3K
Metal-Ion-Intercalated MXene for Enhanced Capacitance in Supercapacitors
1School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China.
Nanomaterials (Basel, Switzerland)
|March 13, 2026
Summary
Researchers enhanced pseudocapacitive materials, MXenes (metal-organic frameworks), by expanding interlayer spacing. This improved cycling stability and conductivity for energy storage applications.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- MXenes are high-performance pseudocapacitive materials with excellent conductivity and large surface areas.
- Practical applications are limited by MXene nanosheet aggregation and restacking, compromising cycling stability.
Purpose of the Study:
- To address MXene aggregation and enhance cycling stability.
- To optimize Ti3C2 MXene properties through post-delamination metal-ion intercalation.
Main Methods:
- Post-delamination metal-ion intercalation was used to expand the interlayer spacing of Ti3C2.
- Surface functional groups were optimized simultaneously with interlayer expansion.
Main Results:
- The resulting Mn-intercalated MXene (Mn-MXene) achieved a specific capacitance of 285 F g-1 at 10 mV s-1.
- This represents a 26% enhancement compared to pristine Ti3C2.
- Mn-MXene demonstrated nearly 100% capacitance retention after 3000 cycles.
Conclusions:
- Interlayer expansion and surface optimization effectively improve MXene performance.
- Mn-intercalated MXene shows significant potential for high-performance energy storage devices.
- The strategy offers a promising route for developing stable and efficient MXene-based pseudocapacitors.
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