Battery-grade nickel sulfate is mainly used to prepare the precursors of ternary materials (lithium nickel cobalt manganese oxide) for the positive electrode of lithium batteries; this dataset includes the primary raw materials, auxiliaries, energy sources, atmospheric emissions, and wastes involved in the production process, while the production equipment manufacturing, plant construction, and other infrastructures are not included within the boundaries of the dataset; the data inventory is formed by the consolidation of data from multiple sources; the production process flow of nickel sulfate includes the processes of material feeding, slurry washing, filtration, acid dissolution, washing, filtration, impurity removal, extraction, oil removal, evaporation concentration, cooling crystallization, centrifugal separation, and drying.