NICKEL MANGANESE COMPOSITE HYDROXIDE PARTICLES AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
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    发明申请
    NICKEL MANGANESE COMPOSITE HYDROXIDE PARTICLES AND MANUFACTURING METHOD THEREOF, CATHODE ACTIVE MATERIAL FOR A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND A NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    尼龙锰锰复合氢氧化物颗粒及其制造方法,用于非水电解质二次电池的阴极活性材料及其制造方法和非水电解质二次电池

    公开(公告)号:US20160087262A1

    公开(公告)日:2016-03-24

    申请号:US14962498

    申请日:2015-12-08

    Abstract: Provided are nickel manganese composite hydroxide particles that are a precursor for forming cathode active material including lithium nickel manganese composite oxide having hollow structure of particles having a small and uniform particle size for obtaining a non-aqueous electrolyte secondary battery having high capacity, high output and good cyclability. When obtaining the nickel manganese composite hydroxide particles from a crystallization reaction, an aqueous solution for nucleation, which includes at least a metallic compound that contains nickel and a metallic compound that contains manganese, and does not include a complex ion formation agent that forms complex ions with nickel, manganese and cobalt, is controlled so that the temperature of the solution is 60° C. or greater, and so that the pH value that is measured at a standard solution temperature of 25° C. is 11.5 to 13.5, and after nucleation is performed, an aqueous solution for particle growth, which includes the nuclei that were formed in the nucleation step and does not substantially include a complex ion formation agent that forms complex ions with nickel, manganese and cobalt, is controlled so that the temperature of the solution is 60° C. or greater, and so that the pH value that is measured at a standard solution temperature of 25° C. is 9.5 to 11.5, and is less than the pH value in the nucleation step.

    Abstract translation: 提供作为用于形成正极活性物质的前体的镍锰复合氢氧化物颗粒,其包括具有小而均匀粒径的中空结构的锂镍锰复合氧化物,用于获得具有高容量,高产量的非水电解质二次电池, 良好的循环性。 当从结晶反应获得镍锰复合氢氧化物颗粒时,用于成核的水溶液包括至少含有镍的金属化合物和含有锰的金属化合物,并且不包括形成复合离子的复合离子形成剂 控制镍,锰和钴,使得溶液的温度为60℃或更高,并且使得在25℃的标准溶液温度下测量的pH值为11.5至13.5,之后 进行成核,用于颗粒生长的水溶液,其包括在成核步骤中形成的并且基本上不包括与镍,锰和钴形成复合离子的复合离子形成剂的控制,使得温度 该溶液为60℃以上,在25℃的标准溶液温度下测定的pH值为9.5〜11.5,更低 比成核步骤中的pH值。

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