1. Q.W. Zhou, Z.H. Shen, C. Zhu, J.C. Li, Z.Y. Ding, P. Wang, F. Pan, Z.Y. Zhang, H.X. Ma, S.Y. Wang, H.G. Zhang*, "Nitrogen-doped CoP electrocatalysts for coupled hydrogen evolution and sulfur generation with low energy consumption", Adv. Mater. 2018, 1800140