ELECTRODE ACTIVE MATERIAL HAVING CORE-SHELL STRUCTURE
    1.
    发明申请
    ELECTRODE ACTIVE MATERIAL HAVING CORE-SHELL STRUCTURE 有权
    具有核心结构的电极活性材料

    公开(公告)号:US20110129729A1

    公开(公告)日:2011-06-02

    申请号:US12670798

    申请日:2008-07-25

    IPC分类号: H01M4/13

    摘要: Disclosed is an electrode active material having a core-shell structure, which includes: (a) a core capable of intercalating and deintercalating lithium ions; and (b) a shell including a polymer or an oligomer having a glass transition temperature of 25° C. or less when impregnated with an electrolyte, wherein a surface of the core is coated with the shell. Also, an electrode manufactured by using the electrode active material and a secondary battery including the electrode are disclosed. The shell (b) suppresses the formation of an SEI layer during initial charge of a battery, and prevents initial capacity reduction. Accordingly, it is possible to achieve a high capacity battery. The electrode active material having a core-shell structure, specially a metal (loid) based electrode active material having a core-shell structure can have a slightly higher electric capacity, compared to a conventional electrode active material, specially a conventional metal (loid) based electrode active material, and can minimize gas generation during charge/discharge.

    摘要翻译: 公开了具有核 - 壳结构的电极活性材料,其包括:(a)能够嵌入和脱嵌锂离子的芯; 和(b)包含聚合物或低聚物的壳体,其中浸渍有电解质的玻璃化转变温度为25℃或更低,其中芯体的表面涂覆有壳。 另外,公开了使用电极活性物质制造的电极和包含该电极的二次电池。 壳体(b)在电池的初始充电期间抑制SEI层的形成,并且防止初始容量降低。 因此,可以实现高容量电池。 具有核 - 壳结构的电极活性材料,特别是具有核 - 壳结构的金属(loid)基电极活性材料可以具有比常规电极活性材料,特别是传统的金属(loid) 并且可以使充放电期间的气体产生最小化。

    ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY
    5.
    发明申请
    ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY 审中-公开
    用于二次电池的电极活性材料

    公开(公告)号:US20070099088A1

    公开(公告)日:2007-05-03

    申请号:US11553675

    申请日:2006-10-27

    IPC分类号: H01M4/62 H01M4/58 B05D5/12

    摘要: Disclosed is an electrode active material comprising: a core layer capable of repeating lithium intercalation/deintercalation; an amorphous carbon layer; and a crystalline carbon layer, successively, wherein the crystalline carbon layer comprises sheet-like carbon layer units and partially or totally comprises multilayer sheet-like carbon layer units. A secondary battery comprising the same electrode active material is also disclosed. The electrode active material can inhibit variations in volume of the core layer that may occur during repeated charge/discharge cycles, by virtue of the interstitial volumes formed by the multilayer sheet-like carbon layer units in the crystalline carbon layer. Therefore, the battery using the electrode active material can provide improved cycle life characteristics.

    摘要翻译: 公开了一种电极活性材料,包括:能够重复锂嵌入/脱嵌的芯层; 无定形碳层; 和结晶碳层,其中结晶碳层包括片状碳层单元,并且部分或全部包含多层片状碳层单元。 还公开了包含相同电极活性材料的二次电池。 由于在结晶碳层中由多层片状碳层单元形成的间隙体积,电极活性物质可以抑制重复充电/放电循环期间可能发生的芯层的体积变化。 因此,使用电极活性物质的电池可以提供改善的循环寿命特性。

    Fuel cell stack
    6.
    发明授权
    Fuel cell stack 失效
    燃料电池堆

    公开(公告)号:US5543240A

    公开(公告)日:1996-08-06

    申请号:US516194

    申请日:1995-08-17

    IPC分类号: H01M8/04 H01M8/24

    摘要: A fuel cell stack is provided in which a reaction gas can be uniformly distributed among fuel cell units disposed within the stack. In particular, the fuel cell stack contains a plurality of fuel cell blocks which are stacked upon each other, and each fuel cell block contains a plurality of fuel cell units which are stacked upon each other. The reaction gas is supplied to each fuel cell block via an external manifold located outside the fuel cell stack. An internal manifold is located within each fuel cell block and receives the reaction gas from the external manifold. Subsequently, the internal manifold distributes the gas to each fuel cell unit. As a result, the fuel cell stack is able to uniformly distribute the reaction gas to each fuel cell unit, thereby increasing the efficient utilization of fuel.

    摘要翻译: 提供了一种燃料电池堆,其中反应气体可以均匀分布在布置在堆叠内的燃料电池单元之间。 特别地,燃料电池堆包含堆叠在一起的多个燃料电池块,并且每个燃料电池块包含堆叠在一起的多个燃料电池单元。 反应气体经由位于燃料电池堆外部的外部歧管供应到每个燃料电池块。 内部歧管位于每个燃料电池块内并从外部歧管接收反应气体。 随后,内部歧管将气体分配到每个燃料电池单元。 结果,燃料电池堆能够将反应气体均匀地分配到每个燃料电池单元,从而增加燃料的有效利用。

    ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY
    9.
    发明申请
    ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY 有权
    用于二次电池的电极活性材料

    公开(公告)号:US20070122707A1

    公开(公告)日:2007-05-31

    申请号:US11553740

    申请日:2006-10-27

    IPC分类号: H01M4/58 H01M4/62 B05D5/12

    摘要: Disclosed is an electrode active material comprising: a core layer capable of repeating lithium intercalation/deintercalation; an amorphous carbon layer; and a crystalline carbon layer, successively, wherein the core layer comprises at least two core particles. A secondary battery comprising the same electrode active material is also disclosed. The electrode active material can inhibit variations in volume of the core layer that may occur during repeated charge/discharge cycles, since the core layer comprising at least two core particles, each core particle having an increased area that is in contact with the carbon layer coated thereon. Therefore, the battery using the electrode active material can provide improved cycle life characteristics.

    摘要翻译: 公开了一种电极活性材料,包括:能够重复锂嵌入/脱嵌的芯层; 无定形碳层; 和结晶碳层,其中所述芯层包含至少两个核心颗粒。 还公开了包含相同电极活性材料的二次电池。 电极活性材料可以抑制在重复的充电/放电循环期间可能发生的芯层的体积变化,因为芯层包括至少两个芯颗粒,每个芯颗粒具有与涂覆的碳层接触的增加的面积 上。 因此,使用电极活性物质的电池可以提供改善的循环寿命特性。

    Electrode active material having core-shell structure
    10.
    发明授权
    Electrode active material having core-shell structure 有权
    具有核 - 壳结构的电极活性材料

    公开(公告)号:US08632698B2

    公开(公告)日:2014-01-21

    申请号:US12670798

    申请日:2008-07-25

    IPC分类号: H01B1/22 H01B1/24 H01M4/36

    摘要: Disclosed is an electrode active material having a core-shell structure, which includes: (a) a core capable of intercalating and deintercalating lithium ions; and (b) a shell including a polymer or an oligomer having a glass transition temperature of 25° C. or less when impregnated with an electrolyte, wherein a surface of the core is coated with the shell. Also, an electrode manufactured by using the electrode active material and a secondary battery including the electrode are disclosed. The shell (b) suppresses the formation of an SEI layer during initial charge of a battery, and prevents initial capacity reduction. Accordingly, it is possible to achieve a high capacity battery. The electrode active material having a core-shell structure, specially a metal (loid) based electrode active material having a core-shell structure can have a slightly higher electric capacity, compared to a conventional electrode active material, specially a conventional metal (loid) based electrode active material, and can minimize gas generation during charge/discharge.

    摘要翻译: 公开了具有核 - 壳结构的电极活性材料,其包括:(a)能够嵌入和脱嵌锂离子的芯; 和(b)包含聚合物或低聚物的壳体,其中浸渍有电解质的玻璃化转变温度为25℃或更低,其中芯体的表面涂覆有壳。 另外,公开了使用电极活性物质制造的电极和包含该电极的二次电池。 壳体(b)抑制在电池的初始充电期间形成SEI层,并且防止初始容量降低。 因此,可以实现高容量电池。 具有核 - 壳结构的电极活性材料,特别是具有核 - 壳结构的金属(loid)基电极活性材料可以具有比常规电极活性材料,特别是传统的金属(loid) 并且可以使充放电期间的气体产生最小化。