The controlled construction of a ternary hybrid of monodisperse Ni3S4 nanorods/graphitic C3N4 nanosheets/nitrogen-doped graphene in van der Waals heterojunctions as a highly efficient electrocatalyst for overall water splitting and a promising anode material for sodium-ion batteries

An m-Ni₃S₄ NRs/g-C₃N₄ NS/N-G hybrid with heterostructured architecture demonstrates outstanding properties for both water splitting and SIB use.