Laser-Architected Vertical Micro-Channel Arrays in Thick Graphene Electrodes for High-Rate Zinc-Ion Hybrid Capacitors

Key Points

• The aim is to develop thick graphene electrodes with enhanced energy storage capabilities by overcoming kinetic limitations.
• Laser-enabled manufacturing technique for creating vertical micro-channel arrays in graphene electrodes.
• Construction of monolithic thick electrodes without templates.
• The new design significantly increases energy density and rate capability compared to traditional thick electrodes.
• Participants observed enhanced charge and discharge rates, supporting high-performance applications.