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COBALT HYDROXIDE PARTICLES AND MANUFACTURING PROCESS THEREFOR AND POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING PROCESS THEREFOR
COBALT HYDROXIDE PARTICLES AND MANUFACTURING PROCESS THEREFOR AND POSITIVE ELECTRODE ACTIVE MATERIAL AND MANUFACTURING PROCESS THEREFOR
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机译:氢氧化钴颗粒及其制造工艺及其正极活性材料及其制造工艺
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摘要
Obtaining cobalt hydroxide particles having a high filling property and a high density. The cobalt hydroxide particles used as a precursor for a positive electrode active material of a non-aqueous electrolyte secondary battery, including spherical secondary particles of flocculated primary particles, wherein average aspect ratio of the secondary particles is 0.7 or more, average particle diameter is 5 to 35 μm, and a value of (d90-d10)/MV indicating a dispersion of a particle size distribution is 0.6 or less, wherein, in sectional observation of the secondary particles, a ratio (N/L) of number (N) of gaps with maximum long diameter 0.3 μm or more recognized in particles of the secondary particles with sectional long diameter 3 μm or more to sectional long diameter (L) of the secondary particles is 1.0 or less, and also, maximum long diameter of the gaps is 15% or less of sectional long diameter of the secondary particles.
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