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    • 11. 发明公开
    • 층형 리튬니켈계 복합 산화물 분체 및 그 제조방법
    • 层状锂镍复合氧化物粉末及其制造方法
    • KR1020100032445A
    • 2010-03-25
    • KR1020107002586
    • 2004-05-12
    • 미쓰비시 가가꾸 가부시키가이샤
    • 시즈카겐지
    • H01M4/525H01M4/505H01M10/0525C01G53/00
    • C01G45/1228C01G51/50C01G53/50C01P2002/22C01P2002/52C01P2002/54C01P2004/61C01P2004/62C01P2006/11C01P2006/12C01P2006/22C01P2006/40H01M4/0404H01M4/0419H01M4/0471H01M4/131H01M4/505H01M4/525H01M4/587H01M10/0525H01M10/0568H01M2004/028Y10T428/2982
    • A layered lithium nickel composite oxide powder for high-density lithium secondary battery positive electrode material that can provide a lithium secondary battery of large capacity excelling in rate characteristics. In particular, a layered lithium nickel composite oxide powder for lithium secondary battery positive electrode material, which has a bulk density of 2.0 g/cc or higher, an average primary particle diameter (B) of 0.1 to 1 μm, a secondary particle median diameter (A) of 9 to 20 μm and a ratio (A/B) of secondary particle median diameter (A) to average primary particle diameter (B) of 10 to 200. There is further provided a process for producing the layered lithium nickel composite oxide powder, comprising dispersing a nickel compound and a compound of non-nickel transition metal element capable of substitution for lithium in a liquid medium, effecting spray drying of the thus obtained slurry, mixing the same with a lithium compound and firing the mixture to thereby obtain a layered lithium nickel composite oxide powder, wherein the spray drying is carried out under the conditions of 0.4
    • 一种用于高密度锂二次电池正极材料的分层锂镍复合氧化物粉末,其可提供大容量的锂二次电池,其性能优异。 特别是,锂二次电池正极材料的层状锂镍复合氧化物粉末的堆积密度为2.0g / cc以上,平均一次粒径(B)为0.1〜1μm,二次粒子中值粒径 (A)为9〜20μm,二次粒子中值粒径(A)与平均一次粒径(B)的比(A / B)为10〜200。另外还提供了层状锂镍复合物 氧化物粉末,其包括在液体介质中分散镍化合物和能够取代锂的非镍过渡金属元素的化合物,对由此获得的浆料进行喷雾干燥,将其与锂化合物混合并将其混合,由此 获得层状锂镍复合氧化物粉末,其中喷雾干燥在0.4≤G/S≤4和G /S≤0.0012V的条件下进行,其中V表示喷雾干燥时浆料的粘度(cp ),S 表示供给量(g / min),G表示供给量(L / min)。
    • 14. 发明公开
    • 유기적으로 변형된 층상 이중 수산화물의 제조 방법
    • 制备有机改性层状双氢氧化物的方法
    • KR1020080077638A
    • 2008-08-25
    • KR1020087014964
    • 2006-12-04
    • 아크조 노벨 엔.브이.
    • 쉬오마케르엘빈빈테르스로빈
    • C01F7/00C01B13/36
    • C01F7/005C01B13/363C01P2002/22
    • The invention relates to a process for preparing a layered double hydroxide comprising a charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension or solution comprising a divalent metal ion source, a trivalent metal ion source, water, and a solvent which is miscible with water and in which at least 5 g/l of a charge-balancing anion precursor can be dissolved; (b) treating the precursor suspension or solution to obtain the layered double hydroxide, wherein the charge-balancing anion precursor is added to the suspension or solution before, during or after step (b), and wherein, if the charge-balancing anion is an organic anion, less than 50 wt% of the charge-balancing anion precursors, based on the total weight of charge-balancing anion precursors, is a salt, with the proviso that the charge-balancing anion is not carbonate. The invention further pertains to a layered double hydroxide obtainable by this process.
    • 本发明涉及一种制备包含电荷平衡阴离子的层状双氢氧化物的方法,该方法包括以下步骤:(a)制备包含二价金属离子源,三价金属离子源,水, 和与水混溶并且其中可以溶解至少5g / l的电荷平衡阴离子前体的溶剂; (b)处理前体悬浮液或溶液以获得层状双氢氧化物,其中在步骤(b)之前,期间或之后将电荷平衡阴离子前体加入到悬浮液或溶液中,并且其中如果电荷平衡阴离子是 基于电荷平衡阴离子前体的总重量,小于50重量%的电荷平衡阴离子前体的有机阴离子是盐,条件是电荷平衡阴离子不是碳酸盐。 本发明还涉及通过该方法可获得的层状双氢氧化物。