About this Abstract |
| Meeting |
2027 TMS Annual Meeting & Exhibition
|
| Symposium
|
2D Materials – Preparation, Properties, Modeling & Applications
|
| Presentation Title |
Hierarchical 3D Laser-Scribed Graphene for High-Performance Supercapacitors |
| Author(s) |
Mahmoud Moussa, Mamdouh Abdelsalam, Sufian Abedrabbo |
| On-Site Speaker (Planned) |
Sufian Abedrabbo |
| Abstract Scope |
Graphene is a promising electrode material for supercapacitors because of its high electrical conductivity, mechanical flexibility, and theoretical surface area. However, its practical performance is severely limited by graphene sheet restacking, which reduces accessible surface area and hinders ion transport, particularly at high mass loadings. Here, we present a three-dimensional laser-scribed graphene (3D LSG) architecture that overcomes this limitation by forming an open, interconnected porous network that suppresses restacking and facilitates efficient electrolyte transport. Structural characterization (XRD, Raman, BET, SEM, and TEM) confirms a defect-rich graphitic framework with hierarchical porosity and significantly higher accessible surface area than conventional two-dimensional LSG. Electrochemical evaluation in both aqueous and ionic liquid electrolytes demonstrate consistently higher specific capacitance and improved energy density. These findings establish 3D LSG as a simple, low-cost, scalable, and binder-free strategy for developing high-performance graphene electrodes for next-generation supercapacitors. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Surface Modification and Coatings, Characterization, Electronic Materials |