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Updated: Dec 22, 2025
Development of a 3D Graphene Electrode Dielectrophoretic Device
Published on: June 22, 2014
3D Printed Mechanically Robust Graphene/CNT Electrodes for Highly Efficient Overall Water Splitting
Meiwen Peng1, Danli Shi1, Yinghui Sun2
1Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices and Joint International Research Laboratory of Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, Jiangsu, 215123, P. R. China.
Researchers developed 3D printed graphene electrodes reinforced with carbon nanotubes (CNTs) for high mechanical strength. These bioinspired electrodes offer enhanced flexural strength and hierarchical porosity for advanced energy and electronic systems.
Area of Science:
- Materials Science
- Nanotechnology
- Electrochemistry
Background:
- 3D printing of graphene electrodes with high mechanical strength is challenging but crucial for advanced systems.
- Graphene's properties are desirable, but its mechanical limitations hinder practical applications.
Purpose of the Study:
- To develop a 3D printed graphene electrode with high mechanical strength and hierarchical porous structure.
- To investigate the role of carbon nanotubes (CNTs) in enhancing graphene electrode properties.
- To demonstrate the electrode's performance in water splitting applications.
Main Methods:
- Utilized a 3D printing strategy to create graphene electrodes reinforced with 1D carbon nanotubes (CNTs).
- Employed mechanics modeling to understand the contribution of CNTs to flexural strength.
- Fabricated and tested a bifunctional electrode integrated with a NiFeP nanosheets array for water splitting.
Main Results:
- Achieved a 3D printed graphene-CNT (3DP GC) electrode with high flexural strength and a hierarchical porous structure.
- Mechanics modeling confirmed CNTs enhance flexural strength by increasing inter-sheet friction and adhesion.
- The 3DP GC electrode demonstrated excellent performance in water splitting, achieving 1.58 V at 30 mA cm⁻² as a bifunctional electrode.
Conclusions:
- The 3D printed bioinspired graphene-CNT electrode offers a viable solution for applications requiring high mechanical strength.
- The hierarchical porous structure facilitates efficient mass and charge transport, making it an ideal catalyst carrier.
- This study enables the practical application of 3D printed graphene electrodes in energy, environmental, and electronic systems.
