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Two-Dimensional Mesoporous Carbon Materials Derived from Fullerene Microsheets for Energy Applications
Ting Xu1, Danyang Yu2, Zhiling Du1
1State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|June 5, 2020
Summary
A new method creates defect-rich porous carbon from fullerene microsheets for energy storage. This material shows excellent performance in oxygen reduction reactions and supercapacitors, comparable to platinum-based catalysts.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Porous carbon materials with defects are crucial for energy storage and conversion.
- Fullerene-derived carbons offer unique structural properties.
- Developing efficient synthesis methods for these materials is essential.
Purpose of the Study:
- To develop a facile, template-free method for synthesizing 2D mesoporous carbon materials from fullerene (C60) microsheets (FMSs).
- To investigate the potential of these FMSs in energy storage and electrocatalytic applications, specifically the oxygen reduction reaction (ORR) and supercapacitors.
Main Methods:
- Synthesis of 2D mesoporous carbon microsheets from fullerene (C60) via heat treatment at 1000°C.
- Characterization of the material's surface area, porosity, and defects.
- Electrochemical evaluation for oxygen reduction reaction (ORR) performance and supercapacitive properties.
Main Results:
- The synthesized material (FMS1000) exhibited a high surface area (1507.6 m²/g) with abundant mesopores and defects.
- FMS1000 demonstrated excellent ORR performance (onset potential: 0.95 V, half-wave potential: 0.85 V) with high durability (2000 cycles), comparable to commercial Pt/C.
- Remarkable supercapacitive performance was observed, with a specific capacitance of 330.7 F/g at 0.2 A/g and 97% capacitance retention over 50,000 cycles.
Conclusions:
- A practical, template-free strategy for producing high-performance mesoporous carbon materials from fullerene is established.
- The resulting FMS material shows significant promise for both electrocatalysis (ORR) and energy storage (supercapacitors).
- The method allows for tuning morphological structures and porous defects for advanced energy material applications.
