Recent laser advances in graphene-based planar micro-supercapacitors: Challenges and future prospects

This review focuses on the advancements in, and potential of graphene-based planar micro-supercapacitors (G-MSCs) fabricated through laser patterning. This study provides a comprehensive understanding of the current state of research on G-MSCs, including fabrication techniques, materials, design techniques, and optimization methods, to achieve superior energy storage capabilities. Laser patterning techniques offer a scalable and efficient alternative to conventional methods, allowing for the direct engraving of highly conductive graphene-assembled films. Furthermore, G-MSCs fabricated via laser patterning exhibit high capacitance, outstanding rate capability, and robust stability, making them suitable for energy storage applications in various fields. This review also highlights practical applications across various fields and aims to provide guidance for future research by identifying the challenges, limitations, and optimization strategies.