The invention relates to a method for preparing nanometer nickel powder, which comprises: mixing the nickel chloride water solution and the natrium hydroxydatum water solution to obtain the suspension; mixing and dropping aminic acid water solution into suspension, until the solution is completely clean; adding common salt to be mixed until the common salt is all dissolved, drying to obtain the solid product; grinding the solid product in grinder, heating it in vacuum furnace; washing and filtering with deionized water; washing with alcohol; drying in vacuum. The invention has simple process, without surface activator, while the prepared nanometer nickel particle has small diameter, and the granularity can be adjusted between 20-100nm. |