Identifying the intrinsic active site in bimetallic Co₃S₄/Ni₃S₂ feathers on MXene nanosheets as a heterostructure for efficient oxygen evolution reaction

The NF@MXene@Co 3 S 4 /Ni 3 S 2 Co 3 S 4 /Ni 3 S 2 feathers fixed on MXene nanosheets with enhanced conductivity and Ni active sites of Ni 3 S 2 shows efficient activity for OER.