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    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    11.
    发明申请
    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME 审中-公开
    用于可充电锂电池的正极活性材料，其制备方法和包括其的可充电锂电池

    公开(公告)号：US20080003504A1

    公开(公告)日：2008-01-03

    申请号：US11763750

    申请日：2007-06-15

    申请人： Jaephil Cho ,  Youn-Han Chang ,  Sang-Hoon Jeon ,  Hyun-Jung Lee

    发明人： Jaephil Cho ,  Youn-Han Chang ,  Sang-Hoon Jeon ,  Hyun-Jung Lee

    IPC分类号： H01M4/58 ,  H01M4/50 ,  H01M4/52

    CPC分类号： H01M4/5825 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

    摘要： The present invention relates to a positive active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same. More particularly, the present invention relates to a positive active material for a rechargeable lithium battery including a compound that can reversibly intercalate/deintercalate lithium and a lithium metal phosphate produced through binding with lithium of the compound, the lithium metal phosphate existing from the surface of the compound to a predetermined depth, a method of preparing the positive active material, and a rechargeable lithium battery having the positive active material. The positive active material can accomplish excellent cycle-life characteristic and also, suppress battery swelling at a high temperature.

    摘要翻译： 本发明涉及一种用于可再充电锂电池的正极活性材料及其制备方法，以及包含该锂二次电池的可再充电锂电池。 更具体地说，本发明涉及一种用于可再充电锂电池的正极活性材料，其包括可逆地插入/脱嵌锂的化合物和通过与该化合物的锂结合产生的锂金属磷酸盐，从表面上存在的锂金属磷酸盐 化合物至预定深度，制备正极活性物质的方法，以及具有正极活性物质的可再充电锂电池。 正极活性物质可以实现优异的循环寿命特性，并且还抑制高温下的电池膨胀。

    METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    12.
    发明申请
    METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY 有权
    用于锂二次电池制备阴极活性材料的方法

    公开(公告)号：US20110042610A1

    公开(公告)日：2011-02-24

    申请号：US12933629

    申请日：2009-03-24

    申请人： Jaephil Cho ,  Junho Eom ,  Yoon Han Chang ,  Chang-Won Park ,  Seung-Won Lee ,  Sang-Hoon Jeon ,  Byung Do Park

    发明人： Jaephil Cho ,  Junho Eom ,  Yoon Han Chang ,  Chang-Won Park ,  Seung-Won Lee ,  Sang-Hoon Jeon ,  Byung Do Park

    IPC分类号： H01M4/88

    CPC分类号： H01M4/5825 ,  B82Y30/00 ,  C01B25/45 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/84 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525

    摘要： Disclosed is a method for preparing a cathode active material for a lithium secondary battery, and the preparing method includes: adding a phosphorus compound to a transition metal oxide dispersion liquid to prepare a coating liquid; drying the coating liquid to prepare a powder including phosphorus oxide coated on the surface of the transition metal oxide; and dry-mixing the powder coated with the phosphorus oxide with a lithium intercalation compound, and then firing the mixture to form a solid solution compound of Li-M1-M2-P—O (where M1 is a transition metal derived from transition metal oxide, and M2 is a metal derived from lithium intercalation compound) on the surface of the lithium intercalation compound.The method for preparing a cathode active material for a lithium secondary battery simplifies the conventional preparing process to save process cost, and it provides comparable electrochemical characteristics to a cathode active material obtained from a wet process.

    摘要翻译： 公开了一种锂二次电池正极活性物质的制备方法，其制备方法包括：向过渡金属氧化物分散液中添加磷化合物，制备涂布液; 干燥涂布液以制备包含在过渡金属氧化物表面上的氧化磷的粉末; 将含有氧化磷的粉末与锂嵌入化合物进行干混，然后烧成混合物，形成Li-M1-M2-P-O的固溶体化合物（其中，M1为过渡金属氧化物的过渡金属 ，并且M2是来自锂嵌入化合物的金属）在锂嵌入化合物的表面上。 制备用于锂二次电池的正极活性材料的方法简化了常规的制备方法以节省工艺成本，并且与从湿法获得的阴极活性材料提供了可比较的电化学特性。

    ELECTROCHEMICAL CELL
    14.
    发明申请
    ELECTROCHEMICAL CELL 有权
    电化学细胞

    公开(公告)号：US20090305140A1

    公开(公告)日：2009-12-10

    申请号：US12234268

    申请日：2008-09-19

    申请人： Jaephil Cho ,  Junho Eom

    发明人： Jaephil Cho ,  Junho Eom

    IPC分类号： H01M4/48 ,  H01B1/02

    CPC分类号： H01M4/505 ,  H01M4/485 ,  H01M4/525 ,  Y02E60/122

    摘要： The present invention relates to a positive active material for an electrochemical cell including a compound having a nano-shape and represented by the following Formula 1. Lix[Li1-y-zM1yM2z]O2-αDα  [Formula 1] wherein, 0.8≦x≦1.1, 0≦y≦0.5, 0≦z≦0.5, and 0≦α≦0.05, M1 and M2 are independently selected from transition elements, and D is selected from the group consisting of O, F, S, P, and combinations thereof. The positive active material of the present invention has high reversible capacity and an excellent cycle life characteristic, and in particular, an excellent cycle life characteristic at a high rate.

    摘要翻译： 本发明涉及一种用于电化学电池的正极活性材料，其包括具有纳米形状并由下式1表示的化合物.Lix [Li1-y-zM1yM2z] O2-αDalpha[式1]其中0.8 <= x <= 1.1,0 <= y <= 0.5,0 <= z <= 0.5，0 <=α<= 0.05，M1和M2独立地选自过渡元素，D选自O， F，S，P及其组合。 本发明的正极活性物质具有高的可逆容量和优异的循环寿命特性，特别是高速率的优异的循环寿命特性。

    Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same
    15.
    发明授权
    Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same 有权
    用于可再充电锂电池的正极活性材料，其制备方法和包括其的可再充电锂电池

    公开(公告)号：US07687203B2

    公开(公告)日：2010-03-30

    申请号：US11835887

    申请日：2007-08-08

    申请人： Jaephil Cho ,  Youn-Han Chang ,  Jin-Young Kim ,  Yoo-Jung Kim ,  Hyun-Jung Kim ,  Hae-Suk Hwang

    发明人： Jaephil Cho ,  Youn-Han Chang ,  Jin-Young Kim ,  Yoo-Jung Kim ,  Hyun-Jung Kim ,  Hae-Suk Hwang

    IPC分类号： H01M4/58

    CPC分类号： H01M4/483 ,  H01M4/362 ,  H01M4/525 ,  H01M4/581 ,  H01M2004/028

    摘要： The positive active material according to one embodiment of the present invention includes a composite metal oxide of the following Formula 1, and a compound being capable of intercalating and deintercalating lithium having the composite metal oxide coated on the surface thereof. M1-xAlO2   [Chemical Formula 1] Wherein, in the above Formula 1, M is selected from the group consisting of an alkali metal, an alkaline-earth metal, and combinations thereof, and 0.03≦x≦0.95. The composite metal oxide increases impregnation of an electrolyte, improves lithium mobility, and decreases internal resistance of a rechargeable lithium battery, and thereby improves discharge capacity and cycle-life characteristics.

    摘要翻译： 根据本发明的一个实施方案的正极活性物质包括下式1的复合金属氧化物和能够在其表面上涂覆复合金属氧化物的锂的嵌入和脱嵌化合物。 M1-xAlO2 [化学式1]其中，在上述式1中，M选自碱金属，碱土金属及其组合，0.03和n1E; x和nlE; 0.95。 复合金属氧化物增加电解质的浸渍，提高锂的迁移率，降低可再充电锂电池的内阻，从而提高放电容量和循环寿命特性。