Catalysts by pyrolysis: Direct observation of transformations during re-pyrolysis of transition metal-nitrogen-carbon materials leading to state-of-the-art platinum group metal-free electrocatalyst

Yechuan Chen, Ying Huang, Mingjie Xu, Tristan Asset, Xingxu Yan, Kateryna Artyushkova, Mounika Kodali, Eamonn Murphy, Alvin Ly, Xiaoqing Pan, Iryna V. Zenyuk, Plamen Atanassov