Co<sub>2</sub>P–CoN Double Active Centers Confined in N‐Doped Carbon Nanotube: Heterostructural Engineering for Trifunctional Catalysis toward HER, ORR, OER, and Zn–Air Batteries Driven Water SplittingQun Xu, Shichun Mu, Fangyi Cheng et al.|Advanced Functional Materials|2018Cited by 531