Two-dimensional nitrogen and oxygen Co-doping porous carbon nanosheets for high volumetric performance supercapacitors

Two-dimensional (2D) porous carbon nanosheets possess large open flat layer with high surface area, short ion diffusion route and small diffusion resistance have attracted greatly attention as electrode materials for supercapacitors. However, developing a simple and widely available preparation method remains a major challenge. Herein, we demonstrate a new, widely available way to rationally design the nitrogen and oxygen co-doping porous carbon...