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    METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    11.
    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
    13.
    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。

    Negative-electrode active material for lithium secondary battery and method of preparing the same
    14.
    发明授权
    Negative-electrode active material for lithium secondary battery and method of preparing the same 有权
    锂二次电池用负极活性物质及其制备方法

    公开(公告)号：US09391321B2

    公开(公告)日：2016-07-12

    申请号：US13378729

    申请日：2010-06-17

    申请人： Ki-Tae Kim ,  Soon-Ho Ahn ,  Je-Young Kim ,  Jaephil Cho ,  Mi-Hee Park

    发明人： Ki-Tae Kim ,  Soon-Ho Ahn ,  Je-Young Kim ,  Jaephil Cho ,  Mi-Hee Park

    IPC分类号： H01M4/38 ,  H01M4/134 ,  H01M10/052

    CPC分类号： H01M4/38 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/628 ,  H01M10/052 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention relates to negative-electrode active material for a lithium secondary battery exhibiting excellent capacity property and cycle life property, a method of preparing the same, and a lithium secondary battery using the negative-electrode active material, wherein the negative-electrode active material for a lithium secondary battery comprises a nanotube having a tube shape defined by an outer wall with a thickness of nanoscale, the outer wall of the nanotube comprises at least one non-carbonaceous material selected from the group consisting of silicon, germanium and antimony, and an amorphous carbon layer with a thickness of 5 nm or less is formed on the outer wall of the nanotube.

    摘要翻译： 本发明涉及具有优异的容量性能和循环寿命性能的锂二次电池用负极活性物质及其制备方法以及使用负极活性物质的锂二次电池，其中负极活性物质 锂二次电池的材料包括具有由外壁厚度为纳米尺度限定的管形状的纳米管，纳米管的外壁包含至少一种选自硅，锗和锑的非碳质材料， 并且在纳米管的外壁上形成厚度为5nm以下的无定形碳层。

    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。

    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME
    16.
    发明申请
    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME 有权
    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：US20080153001A1

    公开(公告)日：2008-06-26

    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： H01M10/00 ,  H01M10/04

    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。 <？in-line-formula description =“In-line Formulas”end =“lead”？> M 1-x A 2 O 2化学式1 < -line-formula description =“In-line Formulas”end =“tail”？>其中，在上述式1中，M选自碱金属，碱土金属及其组合，以及 0.03 <= x <= 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。

    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
    19.
    发明申请
    POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME 审中-公开
    可充电锂电池的正极活性材料和包括其的可充电锂电池

    公开(公告)号：US20130171524A1

    公开(公告)日：2013-07-04

    申请号：US13598933

    申请日：2012-08-30

    申请人： Jaephil CHO ,  Mijung Noh

    发明人： Jaephil CHO ,  Mijung Noh

    IPC分类号： H01M4/485 ,  H01M4/525 ,  H01M4/505

    CPC分类号： H01M4/485 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525

    摘要： Disclosed is a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the positive active material. The positive active material includes a lithiated intercalation compound capable of reversibly intercalating and deintercalating lithium and a metal oxide represented by the following Chemical Formula 1. LixMyM′1-yO4  [Chemical Formula 1] In the above Chemical Formula M, M′, x, and y are the same as defined in the detailed description. The positive active material easily provides lithium needed for the irreversible chemical/physical reaction at a negative electrode during the initial charge reaction, and thus increases charge capacity of a battery, decreases its irreversible capacity, and resultantly improves its cycle life.

    摘要翻译： 公开了用于可再充电锂电池的正极活性材料和包括正极活性材料的可再充电锂电池。 正极活性物质包括能够可逆地嵌入和脱嵌锂的锂化嵌入化合物和由以下化学式1表示的金属氧化物.LixMyM'1-yO4 [化学式1]在上述化学式M中，M'，x' 和y与详细描述中所定义的相同。 正极活性物质容易提供在初始充电反应期间在负极处不可逆化学/物理反应所需的锂，从而增加电池的充电容量，降低其不可逆容量，从而提高其循环寿命。