利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

91 条记录 (耗时 0.04 秒)

    Cathode materials for lithium battery having higher performance
    72.
    发明授权
    Cathode materials for lithium battery having higher performance 有权
    锂电池的阴极材料具有较高的性能

    公开(公告)号：US08951435B2

    公开(公告)日：2015-02-10

    申请号：US11688358

    申请日：2007-03-20

    申请人： Jens M Paulsen ,  Hong-Kyu Park ,  Sun Sik Shin ,  Sinyoung Park ,  Hyeyun Cha

    发明人： Jens M Paulsen ,  Hong-Kyu Park ,  Sun Sik Shin ,  Sinyoung Park ,  Hyeyun Cha

    IPC分类号： H01J7/18 ,  H01M4/88

    CPC分类号： C01G53/50 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： Provided is a cathode material for a lithium secondary battery, comprising a heat-treated mixture of an oxide powder (a) represented by Formula I and an oxide powder (b) represented by Formula II, wherein a mixing ratio of the oxide powder (a):oxide powder (b) is in a range of 30:70 to 90:10, the oxide powder (a) is monolithic particles having a D50 of more than 10 μm, and the oxide powder (b) is agglomerated particles having a D50 of less than 10 μm, and heat treatment is carried out at a temperature of 400° C. or higher. LiCoO2  (I) LizMO2  (II) wherein 0.95

    摘要翻译： 本发明提供一种锂二次电池用正极材料，其特征在于，含有由式I表示的氧化物粉末（a）和式II表示的氧化物粉末（b）的热处理混合物，其中，氧化物粉末（a ）：氧化物粉末（b）的比例范围为30:70〜90:10，氧化物粉末（a）为D50大于10μm的整体颗粒，氧化物粉末（b）为具有 D50小于10μm，在400℃以上的温度进行热处理。 LiCoO2（I）LizMO2（II）其中0.95

    High power secondary battery system comprising asymmetric charged cells
    74.
    发明授权
    High power secondary battery system comprising asymmetric charged cells 有权
    包括不对称带电电池的大功率二次电池系统

    公开(公告)号：US08846224B2

    公开(公告)日：2014-09-30

    申请号：US12917631

    申请日：2010-11-02

    申请人： Jens M. Paulsen ,  Songhun Yoon ,  Hong-Kyu Park

    发明人： Jens M. Paulsen ,  Songhun Yoon ,  Hong-Kyu Park

    IPC分类号： H01M12/00 ,  H01M16/00 ,  H01M4/50 ,  H01M4/583 ,  H02J7/00 ,  B60K1/00 ,  B60K6/20 ,  H01M10/44

    CPC分类号： H01M10/441 ,  H02J7/0013 ,  Y02E60/12

    摘要： Disclosed herein is a battery system including two or more kinds of cell lines having different charge and discharge characteristics, wherein each cell line includes one or more battery cells connected in series with each other. In the battery system according to the present invention, the battery cells of at least one cell line exhibit a high-rate charge characteristic, whereas the battery cells of at least another cell line exhibit a high-rate discharge characteristic. Consequently, the high-rate charge and discharge characteristics are improved, and the balance between the charge and discharge characteristics is maintained, whereby the battery system according to the present invention is used as a power source having a high power.

    摘要翻译： 这里公开了包括具有不同充电和放电特性的两种或更多种细胞系的电池系统，其中每个电池线包括彼此串联连接的一个或多个电池单元。 在根据本发明的电池系统中，至少一个电池线路的电池单元呈现高速率充电特性，而至少另一个电池线路的电池单元表现出高速率放电特性。 因此，提高了高速率充放电特性，并且保持了充放电特性之间的平衡，由此将根据本发明的电池系统用作具有高功率的电源。

    Lithium secondary battery with improved cell characteristics
    77.
    发明授权
    Lithium secondary battery with improved cell characteristics 有权
    具有改善电池特性的锂二次电池

    公开(公告)号：US08026008B2

    公开(公告)日：2011-09-27

    申请号：US12723119

    申请日：2010-03-12

    申请人： Soojin Kim ,  Hong-Kyu Park ,  Sung kyun Chang ,  Jeong-Ju Cho ,  Hochun Lee

    发明人： Soojin Kim ,  Hong-Kyu Park ,  Sung kyun Chang ,  Jeong-Ju Cho ,  Hochun Lee

    IPC分类号： H01M4/48

    CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0567

    摘要： Disclosed herein is a lithium secondary cell including 20 to 100 wt. % of lithium transition metal oxide represented by a formula of Li1+zNibMncMe1−(b+c)O2, relative to a total amount of a cathode active material, as well as an electrolyte consisting of a lithium salt and a non-aqueous solvent, wherein a first additive to form a protective film (that is, a solid electrolyte interface film: SEI film) over a surface of an anode active material and a second additive to form another SEI film over the surface of the anode active material while inactivating impurities contained in the cathode active material are included in the electrolyte.

    摘要翻译： 本文公开了一种锂二次电池，其包含20至100重量％ 由Li1 + zNibMncMe1（b + c）O2表示的锂过渡金属氧化物的相对于阴极活性物质的总量以及由锂盐和非水溶剂组成的电解质的％ 其中在阳极活性材料的表面上形成保护膜（即，固体电解质界面膜：SEI膜）的第一添加剂和第二添加剂，以在阳极活性材料的表面上形成另一SEI膜，同时使杂质失活 包含在阴极活性材料中的电解质包含在电解质中。

    CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    79.
    发明申请
    CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY 审中-公开
    用于锂二次电池的阴极活性材料

    公开(公告)号：US20110168944A1

    公开(公告)日：2011-07-14

    申请号：US12667357

    申请日：2008-10-08

    申请人： Sung Kyun Chang ,  Ho Suk Shin ,  Hong-Kyu Park

    发明人： Sung Kyun Chang ,  Ho Suk Shin ,  Hong-Kyu Park

    IPC分类号： H01M4/505

    CPC分类号： C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02T10/7011

    摘要： Provided is a cathode active material for a lithium secondary battery, including a lithium-transition metal composite oxide represented by the following formula (1), which contains an excess of lithium, so as to exhibit enhanced rate characteristics under high rate charge/discharge conditions: Lii+aNi′bNi″cMndCoeO2 (1) wherein each of a, b, c, d and e has the same meaning as defined in the disclosure. The cathode active material according to the present invention includes an excess of lithium and, different from conventional technologies, a lithium-transition metal composite oxide containing a nickel element with a predetermined oxidation number, so that the active material exhibits a stable crystal structure and excellent rate characteristics under high rate charge/discharge conditions.

    摘要翻译： 本发明提供一种锂二次电池用正极活性物质，其包含由下述式（1）表示的锂过渡金属复合氧化物，其含有过量的锂，以便在高速率充放电条件下表现出增强的速率特性 ：Lii + aNi'bNi“cMndCoeO2（1）其中a，b，c，d和e各自具有与本公开中所定义相同的含义。 根据本发明的正极活性物质包含过量的锂，并且与常规技术不同，含有具有预定氧化数的镍元素的锂 - 过渡金属复合氧化物，使得活性材料表现出稳定的晶体结构和优异的 高速率充​​放电条件下的速率特性。

    CATHODE MATERIALS AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME
    80.
    发明申请
    CATHODE MATERIALS AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME 有权
    阴极材料和含有它的锂二次电池

    公开(公告)号：US20110151328A1

    公开(公告)日：2011-06-23

    申请号：US12851888

    申请日：2010-08-06

    申请人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

    发明人： Sung kyun CHANG ,  Hong-Kyu Park ,  Sinyoung Park

    IPC分类号： H01M4/485 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525

    CPC分类号： H01M4/525 ,  H01M4/366 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

    摘要： Provided is a cathode active material composed of lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide contains nickel in an amount of 40% or higher, based on the total weight of transition metals, and the cathode active material comprises a first coating layer provided on the surface thereof and a second coating layer provided on the surface of the first coating layer, wherein the first coating layer is composed of a non-reactive material selected from the group consisting of oxides, nitrides, sulfides and mixtures or complexes thereof and the second coating layer is composed of a carbon-based material.

    摘要翻译： 本发明提供一种由式1所示的锂镍氧化物构成的正极活性物质，其中，所述锂镍氧化物含有基于过渡金属的总重量为40％以上的镍，所述阴极活性物质包含第一涂层 并且设置在第一涂层的表面上的第二涂层，其中第一涂层由选自氧化物，氮化物，硫化物及其混合物或络合物的非反应性材料组成 第二涂层由碳系材料构成。