A Coral−Like Ni3P/Ni3Mo3N Heterostructure With Built−In Electric Field for High−Current−Density Urea Electrooxidation Toward Energy−Saving Hydrogen Production and Battery Applications. - Wang, Kang; Sun, Chen; Fan, Chao; Hu, Ruihang; Wang, Yan‐Qin (Advanced Functional Materials, 2026)