| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide cobalt hydroxide and cobalt oxide, each having high aggregability even if a secondary particle size is large. <P>SOLUTION: Cobalt hydroxide is in the form of secondary particles obtained by aggregating primary particles, comprising, as the primary particles constituting the secondary particles, primary particles in the form of a plate, a pillar, or a needle having a major axis length determined by SEM image analysis of ≥1.5 μm, and having a tap density of ≥0.80 g/mL. <P>COPYRIGHT: (C)2012,JPO&INPIT |
