ENERGY STORAGE DEVICE, WINDING APPARATUS, AND WINDING METHOD
    1.
    发明申请
    ENERGY STORAGE DEVICE, WINDING APPARATUS, AND WINDING METHOD 有权
    能量储存装置,卷绕装置和卷绕方法

    公开(公告)号:US20130280568A1

    公开(公告)日:2013-10-24

    申请号:US13864133

    申请日:2013-04-16

    Abstract: Provided is an energy storage device which employs the use of a separator provided with a layer having poor thermal properties such as a heat resistant coated layer and is capable of inhibiting a decrease in performance. The energy storage device includes: a wound body including a positive electrode, a negative electrode, and separators which are layered and wound, the separators being interposed between the positive electrode and the negative electrode and having a first surface and a second surface, the first surface having thermal bonding properties superior to thermal bonding properties of the second surface; and an insulation sheet wound around an outermost layer of the wound body. At least one of the separators is bonded to the insulation sheet via the first surface thereof.

    Abstract translation: 提供一种能量储存装置,其使用具有耐热性能差的层的隔膜,例如耐热涂层,并且能够抑制性能的降低。 能量存储装置包括:卷绕体,其包括正极,负极和层叠并卷绕的隔板,所述隔板插入在正极和负极之间并具有第一表面和第二表面,第一 具有优于第二表面的热粘合性能的热粘合性能的表面; 以及缠绕在所述卷绕体的最外层的绝缘片。 至少一个分离器经由其第一表面结合到绝缘片。

    ENERGY STORAGE DEVICE AND ENERGY STORAGE UNIT
    4.
    发明申请
    ENERGY STORAGE DEVICE AND ENERGY STORAGE UNIT 有权
    能源存储设备和能源存储单元

    公开(公告)号:US20140154557A1

    公开(公告)日:2014-06-05

    申请号:US14094247

    申请日:2013-12-02

    Abstract: An energy storage device including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material layer containing a non-graphitizable carbon as a negative electrode active material, and the negative electrode active material has a negative electrode active material weight per unit volume of the negative electrode active material layer of 0.92 g/cc or more and 1.13 g/cc or less and a particle size D90 of 4.3 μm or more and 11.5 μm or less, the particle size D90 being a particle size in particle size distribution in which a cumulative volume is 90%.

    Abstract translation: 一种蓄电装置,其特征在于,具备正极,负极,配置在所述正极和所述负极之间的隔板以及非水电解质的蓄电装置,所述负极包括含有不可石墨化碳的负极活性物质层 负极活性物质,负极活性物质的负极活性物质层的单位面积负极活性物质重量为0.92g / cc以上且1.13g / cc以下,粒径D90为4.3 μm以上且11.5μm以下,粒径D90为累积体积为90%的粒度分布的粒径。

    ENERGY STORAGE DEVICE
    6.
    发明申请
    ENERGY STORAGE DEVICE 审中-公开
    能源储存装置

    公开(公告)号:US20150349326A1

    公开(公告)日:2015-12-03

    申请号:US14722659

    申请日:2015-05-27

    Abstract: An energy storage device comprising: a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a nonaqueous electrolyte, and an insulating layer disposed between the positive electrode and the separator, wherein the positive electrode contains a compound represented by LiaNibCocMdWxNbyZrzO2 (provided that a, b, c, d, x, y and z satisfy the equations of 0≦a≦1.2, 0≦b≦1, 0.1≦c≦0.4, 0≦d≦0.5, 0≦x≦0.1, 0≦y≦0.1, 0≦z≦0.1 and b+c+d=1, and M denotes at least one kind of element selected from the group consisting of Mn, Ti, Cr, Fe, Co, Cu, Zn, Al, Ge, Sn and Mg) as a positive active material and the negative electrode contains hardly graphitizable carbon with a D50 particle diameter greater than or equal to 1.0 μm and less than or equal to 6.0 μm as a negative active material.

    Abstract translation: 1.一种储能装置,其特征在于,具备:正极,负极,设置在所述正极和负极之间的隔膜,非水电解质和设置在所述正极和所述隔板之间的绝缘层,其中所述正极含有化合物 表示为LiaNibCocMdWxNbyZrzO2(条件是a,b,c,d,x,y和z满足0≦̸ a≦̸ 1.2,0≦̸ b≦̸ 1,0.1≦̸ c≦̸ 0.4,0和nlE; d≦̸ 0.5,0& x和nlE; 0.1,0≦̸ y≦̸ 0.1,0& nlE; z≦̸ 0.1和b + c + d = 1,M表示选自Mn,Ti,Cr,Fe,Co,Cu中的至少一种元素 ,Zn,Al,Ge,Sn和Mg)作为正极活性物质,负极含有D50粒径大于或等于1.0μm且小于等于6.0μm的难成石墨化碳作为负极活性物质。

    ENERGY STORAGE DEVICE, ENERGY STORAGE APPARATUS, VEHICLE, AND METHOD FOR USING ENERGY STORAGE DEVICE
    7.
    发明申请
    ENERGY STORAGE DEVICE, ENERGY STORAGE APPARATUS, VEHICLE, AND METHOD FOR USING ENERGY STORAGE DEVICE 有权
    能源储存装置,能源储存装置,车辆及使用能源储存装置的方法

    公开(公告)号:US20150340677A1

    公开(公告)日:2015-11-26

    申请号:US14719886

    申请日:2015-05-22

    Abstract: An energy storage device comprises a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative electrode has a negative substrate layer, and a negative composite layer arranged on the surface of the negative substrate layer. The separator has a separator substrate layer. The negative composite layer contains a non-graphitizable carbon having a particle diameter D50 of 2.0 μm or more and 6.0 μm or less. A corrected negative electrode density, which is defined as a value obtained by dividing, by a thickness of the separator substrate layer, a value obtained by multiplying a density of the negative composite layer by a thickness of the negative composite layer, is 1.2 (g/cm3) or more and 5.1 (g/cm3) or less.

    Abstract translation: 能量存储装置包括正极,负极,配置在正极和负极之间的隔膜和非水电解质。 负极具有负的基板层,负极复合层配置在负极基板的表面上。 分离器具有隔板基底层。 负极复合层含有粒径D50为2.0μm以上6.0μm以下的不可石墨化碳。 定义为通过将隔离层基板层的厚度除以通过将负极复合层的密度乘以负极复合层的厚度获得的值而得到的值的校正负极密度为1.2(g / cm3)以上且5.1(g / cm3)以下。

    LITHIUM ION SECONDARY BATTERY
    8.
    发明申请

    公开(公告)号:US20200295364A1

    公开(公告)日:2020-09-17

    申请号:US16765203

    申请日:2018-11-21

    Abstract: The present embodiment provides a lithium ion secondary battery including a positive electrode containing LiaNixCoyMzO2 (0.9≤a≤1.2, 0.3≤x≤0.8, 0.2≤y+z≤0.7, where M is a metal element other than Li, Ni, and Co) as a positive active material, and a negative electrode containing non-graphitic carbon as a negative active material. In this lithium ion secondary battery, at a portion where the positive electrode and the negative electrode face each other, a basis weight (P) of the positive active material and a basis weight (N) of the negative active material satisfy a relational expression of 0.65≤P/N≤1.05.

    ENERGY STORAGE DEVICE
    9.
    发明申请
    ENERGY STORAGE DEVICE 有权
    能源储存装置

    公开(公告)号:US20160248065A1

    公开(公告)日:2016-08-25

    申请号:US15052330

    申请日:2016-02-24

    Abstract: An energy storage device includes a positive electrode, a negative electrode, and an insulating layer arranged between these electrodes to electrically insulate these electrodes. The negative electrode includes a composite layer containing active material particles. The composite layer of the negative electrode, and the positive electrode are arranged to face each other across the insulating layer. The insulating layer contains electrically insulating particles, and is made porous by a gap between these particles. The composite layer of the negative electrode is made porous by a gap between the active material particles, and “−0.8≦Log B−Log A≦1.0” is satisfied in which in a pore distribution of the composite layer, a pore peak diameter is represented by A (μm), and in a pore distribution of the insulating layer, a peak diameter is represented by B (μm).

    Abstract translation: 能量存储装置包括正电极,负电极和布置在这些电极之间的绝缘层,以使这些电极电绝缘。 负极包括含有活性物质粒子的复合层。 负极的复合层和正极配置成在绝缘层上彼此面对。 绝缘层包含电绝缘的颗粒,并且由这些颗粒之间的间隙制成多孔的。 通过活性物质粒子之间的间隙使负极的复合层多孔化,并且满足“-0.8≤LogB-LogA≤1.0”,其中在复合层的孔分布中,孔峰直径为 由A(μm)表示,并且在绝缘层的孔分布中,峰值直径由B(μm)表示。

    METHOD FOR PRODUCING ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE
    10.
    发明申请
    METHOD FOR PRODUCING ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE 审中-公开
    生产能源储存装置和能源储存装置的方法

    公开(公告)号:US20150340737A1

    公开(公告)日:2015-11-26

    申请号:US14716119

    申请日:2015-05-19

    Abstract: A method including: a placing step of placing an electrode assembly including a positive electrode that contains a positive active material and a negative electrode that contains a negative active material, and an electrolyte solution containing an additive in a container; a charging step of charging the electrode assembly placed in the container; and a hermetically sealing step of hermetically sealing the container after the charging step. When starting charging in the charging step, the electrolyte solution contains 1.0 mass % or less of lithium difluoro bis(oxalate)phosphate as the additive. The charge voltage in the charging step is 4.0 V or more.

    Abstract translation: 一种方法,包括:放置步骤,将包括正极活性物质的正极和含有负极活性物质的负极的电极组合物和含有添加剂的电解液放置在容器中; 对放置在容器中的电极组件充电的充电步骤; 以及在充电步骤之后气密地密封容器的气密密封步骤。 当在充电步骤中开始充电时,电解质溶液含有1.0质量%以下的作为添加剂的二氟化二(双(草酸)磷酸锂。 充电步骤中的充电电压为4.0V以上。

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