N,B-codoped defect-rich graphitic carbon nanocages as high performance multifunctional electrocatalysts

The N,B-codoped defect-rich graphitic carbon nanocages (NB-CN) are prepared through a technique of in situ vapor deposition. The NB-CN exhibits efficient multifunctional catalytic activity for ORR, OER and HER, shows potential practical performances in the fields of metal-air battery, fuel cell and water splitting.200