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用化学共沉淀法在可控ｐＨ 值、添加剂和加氨水等条件下由ＮｉＳＯ４ 和ＮａＯＨ 反应结晶制备了氢氧化镍粉末。高性能的球形氢氧化镍颗粒系由带微孔的微晶组成的，其Ｘ 射线谱线呈各向异性宽化，其中（ ｈ０ｌ） 型谱线宽化最为严重。各向异性谱线宽化的性质与氢氧化镍中微晶结构特性有关（ 尤其是整个材料中存在着堆垛层错平面缺陷） 。通过Ｘ 射线衍射测量的微晶结构参数如微晶粒度、晶格常数ａ与ｃ 轴的大小以及（１００） 、（００１） 谱线强度等，可以用于建立其与制备工艺和电化学活性之间的关系。一般在较低的结晶度和（１００） 谱线强度下以及较大的ｃ 轴下可以获得较好的电化学活性
Chemical coprecipitation method in controlled pH, additives and ammonia and other conditions by the reaction of NiSO4 and NaOH prepared nickel hydroxide powder. The high-performance spherical nickel hydroxide particles are composed of microcrystals with micropores, and their X-ray lines are anisotropically broadened, of which the (h0l) -type line broadest is the most serious. The anisotropy broadening property is related to the microcrystalline structure properties in nickel hydroxide (especially stacking fault plane defects throughout the material). The crystallite structure parameters such as crystallite size, lattice constant a and c-axis size as well as (100), (001) spectral line intensity and so on measured by X-ray diffraction can be used to establish their relationship with the preparation process and electrochemically active Relationship between. Generally at lower crystallinity and (100) line intensity and the larger c-axis can get better electrochemical activity