SECONDARY BATTERY
    1.
    发明申请
    SECONDARY BATTERY 有权
    二次电池

    公开(公告)号:US20120183843A1

    公开(公告)日:2012-07-19

    申请号:US13498799

    申请日:2010-09-29

    IPC分类号: H01M10/02 H01M4/62 H01M2/02

    摘要: An exemplary embodiment provides a lithium ion secondary battery using a high energy type anode, which enables long-life operation thereof. A secondary battery according to an exemplary embodiment comprises an electrode element in which a cathode and an anode are oppositely disposed, an electrolytic solution, and an outer packaging body which encloses the electrode element and the electrolytic solution inside; wherein the anode is formed by binding an anode active material, which comprises carbon material (a) that can absorb and desorb a lithium ion, metal (b) that can be alloyed with lithium, and metal oxide (c) that can absorb and desorb a lithium ion, to an anode collector with an anode binder; and wherein the electrolytic solution comprises a liquid medium which is hard to generate carbon dioxide at a concentration of 10 to 80 vol %.

    摘要翻译: 一个示例性实施例提供了一种使用高能型阳极的锂离子二次电池,其能够长寿命运行。 根据示例性实施例的二次电池包括阴极和阳极相对设置的电极元件,电解溶液和将电极元件和电解液内包围的外包装体; 其特征在于,所述阳极是通过结合负极活性物质而形成的,所述负极活性物质包含能够吸收和解吸锂离子的碳材料(a),可与锂合金化的金属(b)和可以吸收和解吸的金属氧化物(c) 锂离子,具有阳极粘合剂的阳极集电体; 并且其中所述电解液包含难以产生浓度为10至80体积%的二氧化碳的液体介质。

    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    2.
    发明申请
    NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
    非电解电解质二次电池

    公开(公告)号:US20120321940A1

    公开(公告)日:2012-12-20

    申请号:US13579842

    申请日:2011-03-09

    摘要: A nonaqueous electrolyte secondary battery according to a present exemplary embodiment comprises an electrode element including a positive electrode and a negative electrode arranged to face each other, a nonaqueous electrolyte and a jacket housing the electrode element and the nonaqueous electrolyte. The negative electrode is formed by bounding a negative electrode active material to a negative electrode collector with a negative electrode binder, the negative electrode active material containing (a) a carbon material capable of intercalating and deintercalating lithium ions, (b) a metal capable of forming an alloy with lithium and (c) a metal oxide capable of intercalating and deintercalating lithium ions. The nonaqueous electrolyte contains a nonaqueous solvent, a cyclic fluorinated carbonate and a linear fluorinated ether.

    摘要翻译: 本实施方式的非水电解质二次电池具有包括正极和负极彼此相对的电极元件,非水电解质和容纳电极元件和非水电解质的护套。 负极通过负极活性材料与负极集电体的负极结合而形成,负极活性物质含有(a)能够嵌入和脱嵌锂离子的碳材料,(b)能够 与锂形成合金和(c)能够插入和脱嵌锂离子的金属氧化物。 非水电解质含有非水溶剂,环状氟化碳酸酯和直链状氟化醚。

    Secondary battery
    4.
    发明授权
    Secondary battery 有权
    二次电池

    公开(公告)号:US09203107B2

    公开(公告)日:2015-12-01

    申请号:US13498281

    申请日:2010-09-29

    摘要: An exemplary embodiment provides a lithium ion secondary battery using a high energy type anode, which enables long-life operation thereof. A secondary battery according to an exemplary embodiment comprises an electrode element in which a cathode and an anode are oppositely disposed, an electrolytic solution, and an outer packaging body which encloses the electrode element and the electrolytic solution inside; wherein the anode is formed by binding an anode active material, which comprises carbon material (a) that can absorb and desorb a lithium ion, metal (b) that can be alloyed with lithium, and metal oxide (c) that can absorb and desorb a lithium ion, to an anode collector with an anode binder; and wherein the electrolytic solution comprises a liquid medium which is hard to generate carbon dioxide at a concentration of 10 to 75 vol %.

    摘要翻译: 一个示例性实施例提供了一种使用高能型阳极的锂离子二次电池,其能够长寿命运行。 根据示例性实施例的二次电池包括阴极和阳极相对设置的电极元件,电解溶液和将电极元件和电解液内包围的外包装体; 其特征在于,所述阳极是通过结合负极活性物质而形成的,所述负极活性物质包含能够吸收和解吸锂离子的碳材料(a),可与锂合金化的金属(b)和可以吸收和解吸的金属氧化物(c) 锂离子,具有阳极粘合剂的阳极集电体; 并且其中所述电解液包含难以产生浓度为10至75vol%的二氧化碳的液体介质。

    SECONDARY BATTERY
    5.
    发明申请
    SECONDARY BATTERY 有权
    二次电池

    公开(公告)号:US20120183842A1

    公开(公告)日:2012-07-19

    申请号:US13498281

    申请日:2010-09-29

    IPC分类号: H01M2/02

    摘要: An exemplary embodiment provides a lithium ion secondary battery using a high energy type anode, which enables long-life operation thereof. A secondary battery according to an exemplary embodiment comprises an electrode element in which a cathode and an anode are oppositely disposed, an electrolytic solution, and an outer packaging body which encloses the electrode element and the electrolytic solution inside; wherein the anode is formed by binding an anode active material, which comprises carbon material (a) that can absorb and desorb a lithium ion, metal (b) that can be alloyed with lithium, and metal oxide (c) that can absorb and desorb a lithium ion, to an anode collector with an anode binder; and wherein the electrolytic solution comprises a liquid medium which is hard to generate carbon dioxide at a concentration of 10 to 75 vol %.

    摘要翻译: 一个示例性实施例提供了一种使用高能型阳极的锂离子二次电池,其能够长寿命运行。 根据示例性实施例的二次电池包括阴极和阳极相对设置的电极元件,电解溶液和将电极元件和电解液内包围的外包装体; 其特征在于,所述阳极是通过结合负极活性物质而形成的,所述负极活性物质包含能够吸收和解吸锂离子的碳材料(a),可与锂合金化的金属(b)和可以吸收和解吸的金属氧化物(c) 锂离子,具有阳极粘合剂的阳极集电体; 并且其中所述电解液包含难以产生浓度为10至75vol%的二氧化碳的液体介质。

    Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary battery
    9.
    发明授权
    Lithium secondary battery and control system therefor, and method for detecting state of lithium secondary battery 有权
    锂二次电池及其控制系统,以及锂二次电池的状态检测方法

    公开(公告)号:US09018916B2

    公开(公告)日:2015-04-28

    申请号:US13811837

    申请日:2011-07-20

    摘要: There is provided a control system for a lithium secondary battery that can quantitatively sense a deterioration state inherent in a lithium secondary battery using silicon oxide as a negative electrode active material, that is, the nonuniform reaction state of a negative electrode. A control system for a lithium secondary battery including a positive electrode, a negative electrode using silicon oxide as a negative electrode active material, and a lithium reference electrode having a reference potential with respect to the negative electrode includes measurement means for measuring a voltage V of the negative electrode with respect to the lithium reference electrode and a discharge capacity Q of the lithium secondary battery during discharge of the lithium secondary battery; generation means for generating a V-dQ/dV curve representing a relationship between dQ/dV, which is a proportion of an amount of change dQ in the discharge capacity Q to an amount of change dV in the voltage V, and the voltage V; calculation means for calculating an intensity ratio of two peaks appearing on the V-dQ/dV curve for two voltage values in the voltage V; and sensing means for sensing a state of the negative electrode utilizing the intensity ratio.

    摘要翻译: 提供了一种锂二次电池的控制系统,其可以使用氧化硅作为负极活性物质,即负极的不均匀的反应状态来定量地感测锂二次电池固有的劣化状态。 一种锂二次电池的控制系统,包括正电极,使用氧化硅作为负电极活性材料的负极和相对于负电极具有参考电位的锂参比电极,包括用于测量电压V的电压V的测量装置 相对于锂参考电极的负极和锂二次电池放电期间的锂二次电池的放电容量Q; 用于产生表示作为放电容量Q中的变化量dQ与电压V中的变化量dV的比例的dQ / dV与电压V之间的关系的V-dQ / dV曲线的生成装置; 用于计算在V-dQ / dV曲线上出现的两个电压在电压V中的两个电压值的强度比的计算装置; 以及感测装置,用于利用强度比来感测负极的状态。