利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

10 条记录 (耗时 0.012 秒)

    POSITIVE ELECTRODE ACTIVE MATERIAL POWDER, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    4.
    发明公开
    POSITIVE ELECTRODE ACTIVE MATERIAL POWDER, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    粉末的正极活性物质，工艺用于生产和二次电池的非水电解质

    公开(公告)号：EP2485305A1

    公开(公告)日：2012-08-08

    申请号：EP10820498.3

    申请日：2010-09-28

    申请人： Toda Kogyo Corporation

    发明人： YAMAMOTO, Manabu ,  NISHIKAWA, Daisuke ,  ISHIZAKI, Kazutoshi ,  KIKUYA, Kazuhiko ,  SANTOKI, Teruaki ,  SASAKI, Osamu ,  SADAMURA, Hideaki

    IPC分类号： H01M4/505 ,  H01M4/36 ,  H01M4/525 ,  C01B35/12 ,  C01G53/00

    CPC分类号： C01G51/50 ,  B82Y30/00 ,  C01G45/1228 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m, and boron, wherein the compound is a composite oxide comprising at least Li, Mn, and Co and/or Ni; a relative intensity ratio [(a)/(b)] of a maximum diffraction peak intensity (a) observed at 2θ = 20.8±1° in a powder X-ray diffraction pattern of the positive electrode active substance as measured using a Cu-Kα ray to a maximum diffraction peak intensity (b) observed at 28 = 18.6±1° in the powder X-ray diffraction pattern, is 0.02 to 0.5; a content of Mn in the positive electrode active substance particles is controlled such that a molar ratio of Mn/(Ni + Co + Mn) therein is not less than 0.55; and the positive electrode active substance particles comprise the boron in an amount of 0.001 to 3% by weight. The positive electrode active substance particles of the present invention are produced by calcining a mixture comprising precursor particles comprising Mn, and Ni and/or Co, a lithium compound and a boron compound at a temperature of 500 to 1500°C. The positive electrode active substance particles of the present invention can provide a secondary battery which can be improved in charge/discharge capacity and cycle characteristics.

    摘要翻译： 本发明涉及包含具有的化合物的正极活性物质粒子的至少属于空间群R-3m的和属于空间群C2 / m的晶系，和硼，worin该化合物是晶体系统 复合氧化物包含至少锂，Mn和Co和/或Ni; 的相对强度比[（A）/（B）]的最大衍射峰强度（a）的观察在2 = 20.8±1°中的正极活性物质的粉末X射线衍射图案作为使用Cu测量 -K±射线到最大衍射峰强度（b）中，在28 =在粉末X射线衍射图案18.6±1°观察，是0时02分至0.5; Mn的正极活性物质粒子的含量被控制搜索那样的Mn /（镍+钴+ Mn）的摩尔比。其中不小于0:55; 和正极活性物质颗粒包含硼的重量为0.001至3％的量。 本发明的正极活性物质粒子通过煅烧一种混合物，包含前体颗粒包括锰，和Ni和/或Co，锂化合物和在500的温度下的硼化合物，以1500℃产生 本发明的正极活性物质颗粒可以提供一种二次电池可以在充电/放电容量和循环特性得到改善。

    Li-Ni COMPOSITE OXIDE PARTICLE POWDER AND PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    8.
    发明公开
    Li-Ni COMPOSITE OXIDE PARTICLE POWDER AND PROCESS FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    LI-NI MISCHOXIDPARTIKELPULVER及其制造方法相同，并且二次电池的非水电解质

    公开(公告)号：EP2698351A1

    公开(公告)日：2014-02-19

    申请号：EP12770752.9

    申请日：2012-04-12

    申请人： Toda Kogyo Corporation

    发明人： IMAHASHI, Taiki ,  WATANABE, Hiroyasu ,  KIKUYA, Kazuhiko ,  SADAMURA, Hideaki

    IPC分类号： C01G53/00 ,  H01M4/505 ,  H01M4/525

    CPC分类号： C01D15/02 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/04 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/80 ,  H01M4/505 ,  H01M4/525

    摘要： The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m 2 /g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li-Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li-Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li-Ni composite oxide particles.

    摘要翻译： 本发明提供了具有良好的高温保存特性和优异的循环特性的非水电解质二次电池的活性物质，以及使用该锂复合化合物颗粒的二次电池的锂复合化合物颗粒。 用于非水电解质二次电池gemäß到本发明的Li-Ni复合氧化物颗粒具有0:05至0.8米2 /克的BET比表面积; 在以Ni对在respectivement Li-Ni复合氧化物颗粒的最外表面的浓度的两性金属的浓度的原子比（MA / Ni）的为2至6; 和respectivement Li-Ni复合氧化物颗粒的最外表面上的两性金属的浓度大于在由50nm的从最外表面朝向respectivement Li-Ni复合的中心间隔开的位置上的两性金属的浓度高 氧化物颗粒。