2D Crumpled Nitrogen-doped Carbon Nanosheets Anode with Capacitive-Dominated Behavior for Ultrafast-Charging and High-Energy-Density Li-ion Capacitors

The synergistic effect of abundant mesopore distribution and nitrogen doping enables 2D crumpled nitrogen-doped carbon nanosheets as anode materials for Li-ion capacitors with large capacitive-capacities and ultrahigh rate performance.