The nano - material precursors of metal alkoxides and theirs complexes are prepared by anodic dissolution of metal in non - aqueous media with a small quantity of ion - conductive additive and acetylacetonate under 3 0 - 40 在无水醇体系中加入少量的导电盐及乙酰丙酮,采用金属阳极溶解法,控制电解温度在30 - 40 ,电合成nio及zno的前驱体-金属醇盐的配合物。