结块
氨
成核
水溶液
材料科学
化学
共沉淀
粒子(生态学)
过饱和度
集聚经济
各向异性
六方晶系
化学工程
结晶学
物理化学
复合材料
有机化学
物理
地质学
工程类
海洋学
量子力学
作者
Zhaowei Wu,Yuan Zhou,Chunxi Hai,Jinbo Zeng,Yanxia Sun,Xiufeng Ren,Yue Shen,Xiang Li,Guotai Zhang
标识
DOI:10.1016/j.apsusc.2023.156379
摘要
Hierarchical structure Ni0.8Co0.1Mn0.1(OH)2 agglomerates were formed by coprecipitation method in the presence of aqueous ammonia in a continuous stirred tank reactor (CSTR). The resultant spherical secondary particles are comprised of highly anisotropic primary grains as building blocks, which retain a distinct hexagonal flake morphology with six {0 1 0} equivalent crystal facets and two other {0 0 1} facets. The formation of hierarchical agglomerates typically undergoes three steps: (i) the formation of grain nuclei (homogeneous nucleation), (ii) anisotropic growth of grains and formation of hexagonal nanosheets, (iii) agglomeration of single crystal grains and formation and growth of spherical agglomerates. This unique hierarchical structures of Ni0.8Co0.1Mn0.1(OH)2 point to its promising applications in preparation of high-performance cathode materials for lithium-ion batteries.
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