Metallic Cobalt/Cobalt Sulfide Hetero-nanostructures Embedded within N-doped Graphitic Carbon Nanocage for Hydrogen Evolution Reaction

Metallic cobalt/cobalt sulfide embedded within N-doped graphitic carbon nanocages synthesized through a pyrolysis of ZIF-67 under H 2 and S show morphological uniformity beneficial for maintaining electrochemical long-term durability.