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    • 3. 发明申请
    • Modular CID Assembly for a Lithium Ion Battery
    • 用于锂离子电池的模块化CID组件
    • US20140186666A1
    • 2014-07-03
    • US14170932
    • 2014-02-03
    • Boston-Power, Inc.
    • Mimmo EliaJan-Roger LinnaPhillip E. PartinRaymond G. Kairawicz
    • H01M2/34H01M10/0525
    • H01M2/345B23K2101/36B23K2103/10H01M2/1241H01M10/0525Y02E60/122Y02P70/54Y10T29/49108
    • A modular current interrupt device includes an electrically-conductive rupture disc, an electrically-conductive pressure disc attached to the rupture disc to form an electrical pathway. An electrically-insulating ring partitions a perimeter of the rupture disc from a perimeter of the pressure disc, and a seating element secures the electrically-insulated ring to the pressure disc. At least one of the rupture disc and electrically-insulating ring defines a conduit, whereby exposure of one side of the pressure disc to sufficient force through the conduit causes the pressure disc to separate from the rupture disc to thereby sever the electrical pathway. A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm2 and about 9 kg/cm2. Preferably, the CID includes a pressure disc that includes a frustum having a first end and a second end, a base extending radially from a perimeter of the first end of the frustum, and an essentially planar cap sealing the second end of the frustum. The first end has a broader diameter than the second end, with a cross-section of at least one of the first and second end being non-circular.
    • 模块化电流中断装置包括导电破裂盘,连接到破裂盘的导电压力盘以形成电路径。 电绝缘环将破裂盘的周边与压盘的周边隔开,并且座元件将电绝缘环固定到压力盘。 破裂盘和电绝缘环中的至少一个限定了导管,由此压力盘的一侧的暴露通过导管的足够的力导致压力盘与破裂盘分离,从而切断电路径。 低压电流中断装置(CID)在例如约4kg / cm 2至约9kg / cm 2的范围内以最小阈值内部表压启动。 优选地,CID包括压盘,该压盘包括具有第一端和第二端的平截头体,从平截头体的第一端的周边径向延伸的基部以及密封平截头体的第二端的基本平坦的盖。 第一端具有比第二端更宽的直径,其中第一和第二端中的至少一个的横截面是非圆形的。
    • 4. 发明申请
    • Large Scale Battery Systems and Method of Assembly
    • 大型电池系统和组装方法
    • US20140154558A1
    • 2014-06-05
    • US13933569
    • 2013-07-02
    • BOSTON-POWER, INC.
    • Per OnnerudJan-Roger LinnaJohn WarnerChad SouzaEckart Jansen
    • H01M10/48
    • H01M10/48H01M2/1077H01M2/206H01M10/44H01M10/482Y10T29/49004Y10T29/49108
    • The methods in this disclosure allow for the identification, selection, and arrangement of cells, blocks, and modules in large scale battery systems, such as electric vehicle battery systems. An example embodiment of the present invention allows for the identification of the cells, blocks, and modules with a unique identifier or associated parameter (e.g., internal resistance contributions or capacity). Additionally, to form a block, cells may be selected from a group of capacity-range sorting bins. Based on a parameter of the cell, a pseudo-number generator may be also be used to select cells from an available inventory of cells as maintained in a cell database based. Cells may also be placed in a block for uniform effective cell impedance and even cell aging while minimizing overall block capacity degradation caused by cycling. Block capacities may also be computed based on a known average temperature gradient during operation.
    • 本公开中的方法允许在诸如电动车辆电池系统的大规模电池系统中识别,选择和布置电池,块和模块。 本发明的示例性实施例允许用唯一的标识符或相关联的参数(例如,内部电阻贡献或容量)来识别小区,块和模块。 另外,为了形成块,可以从一组容量范围分选箱中选择单元。 基于小区的参数,伪数发生器也可以用于从基于小区数据库中维护的小区的可用库存中选择小区。 还可以将电池放置在块中以使均匀有效的电池阻抗和甚至电池老化,同时使由循环引起的总阻块容量降低最小化。 也可以基于操作期间已知的平均温度梯度来计算块容量。
    • 6. 发明授权
    • Large scale battery systems and method of assembly
    • 大型电池系统和组装方法
    • US08483886B2
    • 2013-07-09
    • US12872651
    • 2010-08-31
    • Per OnnerudJan-Roger LinnaJohn WarnerChad SouzaEckart Jansen
    • Per OnnerudJan-Roger LinnaJohn WarnerChad SouzaEckart Jansen
    • G06F1/26H01M10/00
    • H01M10/48H01M2/1077H01M2/206H01M10/44H01M10/482Y10T29/49004Y10T29/49108
    • The methods in this disclosure allow for the identification, selection, and arrangement of cells, blocks, and modules in large scale battery systems, such as electric vehicle battery systems. An example embodiment of the present invention allows for the identification of the cells, blocks, and modules with a unique identifier or associated parameter (e.g., internal resistance contributions or capacity). Additionally, to form a block, cells may be selected from a group of capacity-range sorting bins. Based on a parameter of the cell, a pseudo-number generator may be also be used to select cells from an available inventory of cells as maintained in a cell database based. Cells may also be placed in a block for uniform effective cell impedance and even cell aging while minimizing overall block capacity degradation caused by cycling. Block capacities may also be computed based on a known average temperature gradient during operation.
    • 本公开中的方法允许在诸如电动车辆电池系统的大规模电池系统中识别,选择和布置电池,块和模块。 本发明的示例性实施例允许用唯一的标识符或相关联的参数(例如,内部电阻贡献或容量)来识别小区,块和模块。 另外,为了形成块,可以从一组容量范围分选箱中选择单元。 基于小区的参数,伪数发生器也可以用于从基于小区数据库中维护的小区的可用库存中选择小区。 还可以将电池放置在块中以使均匀有效的电池阻抗和甚至电池老化,同时使由循环引起的总阻块容量降低最小化。 也可以基于操作期间已知的平均温度梯度来计算块容量。
    • 7. 发明授权
    • CID retention device for Li-ion cell
    • 用于锂离子电池的CID保留装置
    • US08012615B2
    • 2011-09-06
    • US12902358
    • 2010-10-12
    • Per OnnerudPhillip E. PartinRichard V. Chamberlain, IIJan-Roger B. LinnaMimmo Elia
    • Per OnnerudPhillip E. PartinRichard V. Chamberlain, IIJan-Roger B. LinnaMimmo Elia
    • H01M14/00H01M2/12H01M10/34H01M10/52H01M2/00
    • H01M2/34H01M2/0217H01M2/022H01M2/1235H01M2/345H01M10/0525H01M2002/0205Y10T29/49108
    • A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm2 and about 9 kg/cm2. Preferably, the CID includes a first conductive plate and a second conductive plate in electrical communication with the first conductive plate, the electrical communication between the first and the second conductive plates being interrupted at the minimal threshold internal gauge pressure. More preferably, the first conductive plate includes a frustum having a first end and a second end, a base extending radially from a perimeter of the first end of the frustum, and an essentially planar cap sealing the second end of the frustum. The first end has a broader diameter than the second end. More preferably, the second conductive plate is in electrical contact with the essentially planar cap through a weld. A battery, preferably a lithium-ion battery, comprises a CID as described above. A method of manufacturing such a CID comprises forming first and second conductive plates as described above, and welding the second conductive plate onto the first conductive plate while a temperature of the first conductive plate is controlled so as not to exceed the melting point of a surface of the first conductive plate opposite the weld.
    • 低压电流中断装置(CID)在例如约4kg / cm 2至约9kg / cm 2的范围内以最小阈值内部表压启动。 优选地,CID包括与第一导电板电连通的第一导电板和第二导电板,第一和第二导电板之间的电气连通在最小的内部表压下被中断。 更优选地,第一导电板包括具有第一端和第二端的截头圆锥体,从平截头体的第一端的周边径向延伸的基部以及密封平截头体的第二端的基本平坦的盖。 第一端具有比第二端更宽的直径。 更优选地,第二导电板通过焊缝与基本上平面的盖电接触。 电池,优选锂离子电池,包括如上所述的CID。 制造这种CID的方法包括如上所述形成第一和第二导电板,并且将第二导电板焊接到第一导电板上,同时将第一导电板的温度控制为不超过表面的熔点 的第一导电板与焊缝相对。
    • 9. 发明申请
    • LITHIUM-ION SECONDARY BATTERY
    • 锂离子二次电池
    • US20110052966A1
    • 2011-03-03
    • US12942399
    • 2010-11-09
    • CHRISTINA M. LAMPE-ONNERUD
    • CHRISTINA M. LAMPE-ONNERUD
    • H01M4/131H01M10/38H01M10/36
    • H01M4/525H01M4/364H01M4/485H01M4/505H01M4/5825H01M10/0525H01M10/4235H01M2004/028Y02E60/122Y10T29/49108
    • In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by an empirical formula of Li(1+x1)(Mn1-y1A′y1)2−x1Oz1 and an olivine compound represented by an empirical formula of Li(1−x2)A″x2MPO4. In another embodiment, an active cathode material comprises a mixture that includes: a lithium nickelate selected from the group consisting of LiCoO2-coated LiNi0.8Co0.15Al0.05O2, and Li(Ni1/3Co1/3Mn1/3)O2; and a manganate spinel represented by an empirical formula of Li(1+x7)Mn2−y7Oz7. A lithium-ion battery and a battery pack each independently employ a cathode that includes an active cathode material as described above. A method of forming a lithium-ion battery includes the steps of forming an active cathode material as described above; forming a cathode electrode with the active cathode material; and forming an anode electrode in electrical contact with the cathode via an electrolyte. A system comprises a portable electronic device and a battery pack or lithium-ion battery as described above.
    • 在一个实施方案中,活性阴极材料包括混合物,其包括:钴酸锂和镍酸锂中的至少一种; 和由Li(1 + x1)(Mn1-y1A'y1)2-x1Oz1的经验式表示的锰酸盐尖晶石和由经验式Li(1-x2)A“x2MPO4表示的橄榄石化合物中的至少一种。 在另一个实施方案中,活性阴极材料包括一种混合物,其包括:选自由LiCoO 2涂覆的LiNi0.8Co0.15Al0.05O2和Li(Ni1 / 3Co1 / 3Mn1 / 3)O2组成的组的镍酸锂; 和由Li(1 + x7)Mn2-y7Oz7的经验式表示的锰酸盐尖晶石。 锂离子电池和电池组各自独立地使用包含如上所述的活性阴极材料的阴极。 形成锂离子电池的方法包括如上所述形成活性阴极材料的步骤; 用活性阴极材料形成阴极电极; 以及通过电解质形成与阴极电接触的阳极电极。 系统包括如上所述的便携式电子设备和电池组或锂离子电池。