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10 条记录 (耗时 0.014 秒)

    LITHIUM COMPOSITE COMPOUND PARTICLE POWDER, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    5.
    发明公开
    LITHIUM COMPOSITE COMPOUND PARTICLE POWDER, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    锂复合颗粒粉末，用于生产和二次电池的非水电解质

    公开(公告)号：EP2581343A1

    公开(公告)日：2013-04-17

    申请号：EP11792480.3

    申请日：2011-06-08

    申请人： Toda Kogyo Corporation

    发明人： WATANABE, Hiroyasu ,  ISHIZAKI, Kazutoshi ,  IMAHASHI, Taiki ,  NAKAMURA, Satoshi ,  SASAKI, Osamu

    IPC分类号： C01G53/00 ,  B01J21/06 ,  H01M4/505 ,  H01M4/525

    CPC分类号： H01M4/525 ,  C01G53/50 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/80 ,  H01M4/505 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention aims to provide lithium composite compound particles which can exhibit good cycle characteristics and an excellent high-temperature storage property when used as a positive electrode active substance of a secondary battery, and a secondary battery using the lithium composite compound particles. The present invention relates to lithium composite compound particles having a composition represented by the compositional formula: Li 1+x Ni 1-y-z-a Co y Mn z M a O 2 , in which the lithium composite compound particles have an ionic strength ratio A (LiO - /NiO 2 - ) of not more than 0.5 and an ionic strength ratio B (Li 3 CO 3 + /Ni + ) of not more than 20 as measured on a surface of the respective lithium composite compound particles using a time-of-flight secondary ion mass spectrometer.

    摘要翻译： 本发明的目的在于提供一种能够表现出当用作二次电池的正极活性物质，以及使用该锂复合化合物颗粒的二次电池中使用良好的循环特性和优异的高温储存特性的锂复合化合物颗粒。 本发明涉及的锂具有由组成式表示的组成的复合化合物颗粒：栗1 + X的Ni 1-YZA钴ý锰Z M一O 2，其中，所述锂复合化合物颗粒具有的离子强度比A（LIO - /的NiO 2 - 的不大于0.5，并在离子强度比B）（李3 CO 3 + /镍+）的不超过20作为使用的respectivement锂复合化合物颗粒的表面上测量的时间OF- 飞行二次离子质谱仪。

    LITHIUM MANGANATE PARTICLE POWDER FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    7.
    发明公开
    LITHIUM MANGANATE PARTICLE POWDER FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    锰酸锂颗粒粉末与水不含电解质，工艺用于生产和二次电池二次电池用无水ELEKTROLYT

    公开(公告)号：EP2214233A1

    公开(公告)日：2010-08-04

    申请号：EP08849460.4

    申请日：2008-11-12

    申请人： Toda Kogyo Corporation

    发明人： KOGA, Kazumichi ,  UEGAMI, Masayuki ,  KAJIYAMA, Akihisa ,  ISHIZAKI, Kazutoshi ,  SADAMURA, Hideaki

    IPC分类号： H01M4/50 ,  H01M4/36 ,  H01M4/52

    CPC分类号： H01M4/505 ,  C01G45/1242 ,  C01G49/009 ,  C01G51/54 ,  C01G53/54 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/40 ,  H01B1/08 ,  H01M10/052 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention relates to lithium manganate particles having a primary particle diameter of not less than 1 µm and an average particle diameter (D 50 ) of not less than 2 µm and not more than 10 µm as measured by a particle size distribution meter, and forming particles having substantially a single phase, which have a composition represented by the following chemical formula: Li 1 + x ⁢ Mn 2 - x - y ⁢ Y ⁢ 1 y ⁢ O 4 + Y ⁢ 2
    where Y1 is at least one element selected from the group consisting of Ni, Co, Mg, Fe, Al, Cr and Ti; Y2 is at least one element constituting a sintering aid having a melting point of not higher than 800°C, x and y satisfy 0.03 ≤ x ≤ 0.15 and 0.05 ≤ y ≤ 0.20, respectively, and Y2 is present in an amount of 0.1 to 2.5 mol% based on Mn;
    the Y1 element being dispersed within the respective particles, and
    an X-ray diffraction intensity ratio of I(400)/I(111) of the particles being not less than 38% and an X-ray diffraction intensity ratio of I(440)/I(111) thereof being not less than 18%.
    The lithium manganate particles of the present invention have a high output and are excellent in high-temperature stability.

    摘要翻译： 本发明涉及的锂具有不小于1微米的和不小于2微米的平均粒径（D 50）和不大于10微米的初级粒子粒径通过粒度分布计测得锰颗粒，以及 形成实质上具有单相颗粒，其具有由下述化学式表示的组成：Li 1 + X的Mn¢2 - 说明X - Y¢ý¢1¢Y 2 O 4 + Y¢2，其中Y 1为 选自镍，钴，镁，铁，铝，Cr，Ti中选择的至少一种元素; Y2是至少一种元素构成具有不高于800℃的熔点的烧结助剂，x和y分别满足12:03‰¤X‰¤12:15和00:05‰¤ý‰¤12:20和Y 2是存在于 的基于锰0.1〜2.5摩尔％的量存在; 的Y1元素分散在respectivement颗粒内，并且到的I（400）的X射线衍射强度比/不小于38％，并且至我的X射线衍射强度比的颗粒I（111）（440） / I（111）不小于18％。 本发明的锰酸锂颗粒具有高输出和具有优异的高温稳定性。

    POSITIVE ELECTRODE ACTIVE MATERIAL POWDER, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    10.
    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。