NICKEL COMPOSITE HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    4.
    发明申请
    NICKEL COMPOSITE HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    镍复合氢氧化物颗粒和非水电解质二次电池

    公开(公告)号:US20130337331A1

    公开(公告)日:2013-12-19

    申请号:US14001722

    申请日:2011-03-31

    摘要: To provide nickel composite hydroxide particles having a small and uniform particle diameter and a method for producing the same.The method for producing the nickel composite hydroxide particles includes: a nucleation step of producing nuclei including primary particles by controlling a pH of an aqueous solution for nucleation to 11.5 to 13.2 at a liquid temperature of 25° C., the aqueous solution for nucleation containing a metal compound having an atomic ratio of metals corresponding to an atomic ratio of metals in the nickel composite hydroxide particles and substantially not containing a metal complex ion-forming agent; and a particle growth step of forming, on an outer surface of each of the nuclei, an outer shell portion including platy primary particles larger than primary particles of the nuclei by controlling a pH of an aqueous solution for particle growth containing the nuclei obtained in the nucleation step to 9.5 to 11.0 at a liquid temperature of 25° C.

    摘要翻译: 提供具有小而均匀粒径的镍复合氢氧化物颗粒及其制造方法。 制造镍复合氢氧化物颗粒的方法包括:通过在25℃的液体温度下将成核用水溶液的pH控制为11.5〜13.2,使包含一次粒子的核的成核步骤,含有 金属化合物,其具有与镍复合氢氧化物颗粒中的金属的原子比相当的金属的原子比,并且基本上不含有金属络合物离子形成剂; 以及粒子生长步骤,通过控制含有所述核中获得的核的颗粒生长用水溶液的pH,在每个核的外表面上形成包含比所述核的一次粒子大的板状原生粒子的外壳部分 成核步骤在液温25℃下为9.5〜11.0

    Nickel composite hydroxide particles and nonaqueous electrolyte secondary battery
    5.
    发明授权
    Nickel composite hydroxide particles and nonaqueous electrolyte secondary battery 有权
    镍复合氢氧化物颗粒和非水电解质二次电池

    公开(公告)号:US09559351B2

    公开(公告)日:2017-01-31

    申请号:US14001722

    申请日:2011-03-31

    摘要: A method for producing nickel composite hydroxide particles may include: a first step of producing nuclei including primary particles by controlling the pH of an aqueous solution for nucleation, the aqueous solution for nucleation containing a metal compound having an atomic ratio of metals corresponding to an atomic ratio of metals in the nickel composite hydroxide particles and substantially not containing a metal complex ion-forming agent; and a second step of forming, on an outer surface of each of the nuclei, an outer shell portion including platy primary particles larger than primary particles of the nuclei by controlling the pH of an aqueous solution for particle growth containing the nuclei obtained in the nucleation step.

    摘要翻译: 制造镍复合氢氧化物颗粒的方法可以包括:通过控制成核水溶液的pH来产生包括一次颗粒的核的第一步骤,含有与原子相对应的金属原子比的金属化合物的成核水溶液 镍复合氢氧化物颗粒中的金属比例基本上不含金属络合物离子形成剂; 以及第二步骤,通过控制包含在成核中获得的核的颗粒生长用水溶液的pH,在每个核的外表面上形成包含比原核粒子大的初级粒子的外壳部分 步。

    NICKEL COMPLEX HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    6.
    发明申请
    NICKEL COMPLEX HYDROXIDE PARTICLES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    镍系复合氢氧化物颗粒和非水电解质二次电池

    公开(公告)号:US20120276454A1

    公开(公告)日:2012-11-01

    申请号:US13513240

    申请日:2010-12-02

    IPC分类号: H01M4/525 C09K3/00

    摘要: Disclosed are: nickel complex hydroxide particles that have small and uniform particle diameters; and a method by which the nickel complex hydroxide particles can be produced. Specifically disclosed is a method for producing a nickel complex hydroxide by a crystallization reaction, which comprises: a nucleation step in which nucleation is carried out, while controlling an aqueous solution for nucleation containing an ammonium ion supplying material and a metal compound that contains nickel to have a pH of 12.0-13.4 at a liquid temperature of 25° C.; and a particle growth step in which nuclei are grown, while controlling an aqueous solution for particle growth containing the nuclei, which have been formed in the nucleation step, to have a pH of 10.5-12.0 at a liquid temperature of 25° C. In this connection, the pH in the particle growth step is controlled to be less than the pH in the nucleation step.

    摘要翻译: 公开了:具有小而均匀粒径的镍复合氢氧化物颗粒; 以及可以制造镍复合氢氧化物颗粒的方法。 具体公开的是通过结晶反应制造镍复合氢氧化物的方法,其包括:成核步骤,其中进行成核,同时控制含有铵离子供给材料的成核水溶液和含有镍的金属化合物 在液温25℃时pH为12.0-13.4。 以及粒子生长步骤,其中在液态温度为25℃的同时控制在成核步骤中形成的包含核的颗粒生长用水溶液的pH为10.5-12.0的细胞核生长。 在这种连接中,将颗粒生长步骤中的pH控制为小于成核步骤中的pH。

    Positive electrode active material for nonaqueous electrolyte secondary batteries, method for manufacturing the same, and nonaqueous electrolyte secondary battery using said positive electrode active material
    7.
    发明授权
    Positive electrode active material for nonaqueous electrolyte secondary batteries, method for manufacturing the same, and nonaqueous electrolyte secondary battery using said positive electrode active material 有权
    非水电解质二次电池用正极活性物质及其制造方法以及使用所述正极活性物质的非水电解质二次电池

    公开(公告)号:US09130212B1

    公开(公告)日:2015-09-08

    申请号:US13876255

    申请日:2011-09-30

    摘要: The present invention aims to provide a positive electrode active material for nonaqueous electrolyte secondary batteries which achieves high output and high capacity when used as a positive electrode material. Disclosed is a method for manufacturing the positive electrode active material for nonaqueous electrolyte secondary batteries, the method comprising: a first step, wherein an alkaline solution with a tungsten compound dissolved therein is added to and mixed with a lithium metal composite oxide powder represented by a general formula LizNi1-x-yCoxMyO2 (wherein, 0.10≦x≦0.35, 0≦y≦0.35, 0.97≦Z≦1.20, and M is at least one element selected from Mn, V, Mg, Mo, Nb, Ti, and Al), including primary particles and secondary particles composed of aggregation of the primary particles, and thereby W is dispersed on a surface of the primary particles; and a second step, wherein, by heat treating the mixture of the alkaline solution with the tungsten compound dissolved therein and the lithium metal composite oxide powder, fine particles containing W and Li are formed on a surface of the primary particles.

    摘要翻译: 本发明的目的在于提供一种非水电解质二次电池用正极活性物质,其用作正极材料时的高输出和高容量。 本发明公开了一种非水电解质二次电池用正极活性物质的制造方法,其特征在于,包括:第一工序,将其中溶解有钨化合物的碱性溶液加入到由 通式LizNi1-x-yCoxMyO2(其中,0.10≦̸ x≦̸ 0.35,0和nlE; y≦̸ 0.35,0.97≦̸ Z≦̸ 1.20,M是选自Mn,V,Mg,Mo,Nb,Ti中的至少一种元素 ,和Al),包括一次粒子和由一次粒子聚集构成的二次粒子,由此将W分散在一次粒子的表面上; 和第二步骤,其中通过将溶解的钨化合物的碱溶液与锂金属复合氧化物粉末进行热处理,在一次颗粒的表面上形成含有W和Li的微粒。