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    • 120. 发明公开
    • TRANSITION METAL COMPOUND PARTICLES AND METHODS OF PRODUCTION
    • 过渡金属化合物颗粒和生产方法
    • EP2658811A1
    • 2013-11-06
    • EP11852395.0
    • 2011-12-16
    • Yava Technologies Inc.
    • BYRNE, TrevorDAHAL, Madhav Prasad
    • C01G45/00B22F9/24C01B31/24
    • C01G45/006C01B32/60C01G45/00C01G53/006C01P2004/03C01P2004/32C01P2004/61C01P2006/11
    • A method of preparing insoluble transition metal compound particles is described, comprising: providing a transition metal salt solution having the formula (TM)(S) wherein TM is one or more of Mn, Ni, Co, Mg, Zn, Ca, Sr, Cu, Zr, P, Fe, Al, Ga, In, Cr Ge or Sn; providing a source of a carbonate-, hydroxide-, phosphate-, oxyhydroxide- or oxide-based anionic compound wherein the anionic component, represented by S′, is reactive with TM to form the particles; adding the transition metal salt solution and anionic compound to a reaction chamber; and subjecting the chamber to sonication at an intensity of about 0.1 to about 50 W/mL. In an exemplary embodiment, MnCO3 particles are formed from: MnSO4; and Na2CO3 and/or NH4HCO3, wherein the ratio of MnSO4 to Na2CO3 and/or NH4HCO3 is from about 1:1.5 to 1.5:1. The particles may have narrow size distribution and a tap density of about 1.7-2.3 g/mL.
    • 描述了一种制备不溶性过渡金属化合物颗粒的方法,包括:提供具有式(TM)(S)的过渡金属盐溶液,其中TM是Mn,Ni,Co,Mg,Zn,Ca,Sr中的一种或多种, Cu,Zr,P,Fe,Al,Ga,In,Cr,Ge或Sn; 提供基于碳酸盐,氢氧化物,磷酸盐,羟基氧化物或氧化物的阴离子化合物的来源,其中由S'表示的阴离子组分与TM反应以形成颗粒; 将过渡金属盐溶液和阴离子化合物加入到反应室中; 并以约0.1至约50W / mL的强度对腔室进行超声处理。 在示例性实施例中,MnCO 3颗粒由以下形成:MnSO 4; 和Na 2 CO 3和/或NH 4 CO 3,其中MnSO 4与Na 2 CO 3和/或NH 4 CO 3的比率为约1:1.5至1.5:1。所述颗粒可以具有窄的尺寸分布和振实密度 约1.7-2.3g / mL。