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    POWER BATTERY PACK
    31.
    发明公开
    POWER BATTERY PACK 审中-公开

    公开(公告)号：EP3506385A1

    公开(公告)日：2019-07-03

    申请号：EP17852173.8

    申请日：2017-06-08

    Applicant: BYD Company Limited

    Inventor： ZHAO, Jiyang ,  LAI, Qing ,  REN, Yanzi ,  ZHU, Jianhua ,  ZHU, Yan

    IPC: H01M2/10

    Abstract: The present disclosure provides a power battery pack, including: a battery pack case, at least one battery module, and a return pipe. An oil inlet and an oil outlet are formed on the battery pack case, and insulation oil is charged from the oil inlet into the battery pack case. Each of the at least one battery module is disposed in the battery pack case, and each battery module includes a module case and at least one unit cell disposed in the module case. The unit cell is immersed in the insulation oil, and the bottom of the module case has a through hole and the top of the module case has at least one exhaust vent. The return pipe is disposed outside the battery pack case, and the return pipe is connected between the oil outlet and the oil inlet.

    POWER BATTERY MOUDLE
    32.
    发明授权
    POWER BATTERY MOUDLE 有权
    电源电池组

    公开(公告)号：EP3063823B1

    公开(公告)日：2017-10-25

    申请号：EP14877219.7

    申请日：2014-12-29

    Applicant: BYD Company Limited

    Inventor： ZHAO, Jiyang ,  LAI, Qing ,  TONG, Zhiwei ,  ZHU, Yan ,  ZHU, Jianhua

    IPC: H01M2/20 ,  H01M2/10 ,  H01M10/658 ,  H01M10/6551

    CPC classification number: H01M2/1077 ,  H01M2/1022 ,  H01M2/202 ,  H01M10/6551 ,  H01M10/658 ,  H01M2220/20

    Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, each separator comprising: a separator body having a front portion defining a front accommodating groove and a rear portion; a left cover; a right cover, a battery group, a power connection member, a power connection line and a line snap-fit; in which adjacent separators are detachably connected with each other, and the front accommodating groove of one of the adjacent separators and the rear portion of the separator body of the other of the adjacent separators define a battery chamber, and a snapping hole is formed in at least one of upper and lower walls of the front accommodating groove.

    A LITHIUM ION BATTERY
    35.
    发明公开
    A LITHIUM ION BATTERY 有权
    锂离子电池

    公开(公告)号：EP1952475A1

    公开(公告)日：2008-08-06

    申请号：EP06722294.3

    申请日：2006-04-11

    Applicant: Byd Company Limited

    Inventor： SHEN, Xi ,  ZHU, Jianhua ,  LAI, Qing ,  HAN, Yili

    IPC: H01M10/38 ,  H01M2/02

    CPC classification number: H01M2/0202 ,  H01M2/04 ,  H01M2/0434 ,  H01M2/202 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/617 ,  H01M10/6554 ,  H01M2002/0205

    Abstract: Disclosed herein is a lithium ion battery comprising an electrode core, an electrolyte solution, a metal shell and an end cover assembly, said metal shell comprising an outer wall, an inner wall and a chamber, said electrode core and electrolyte solution being located in the chamber of the metal shell, and said electrode core being connected to the end cover assembly with a electrode terminal of the electrode core, wherein the number of said electrode core is more than one, and the multiple electrode cores are located in the chamber of the metal shell. The lithium ion battery according to the present invention possesses excellent disperse heat dispersion, high mechanical safety, and good high rate discharge performance. In addition, the battery according to the present invention solves the problems of the 'wound battery' of the prior art that the electrode plate is long and difficult to wind, and the 'stacked battery' of the prior art that the electrode plate is difficult to prepare and pile up by dividing the electrode core of high capacity into multiple electrode core of low capacity placed abreast in the metal shell, whereby simplifying the preparation thereof.

    ELECTRICITY SUPPLY SYSTEM
    39.
    发明公开
    ELECTRICITY SUPPLY SYSTEM 有权
    电力供应系统

    公开(公告)号：EP2737569A1

    公开(公告)日：2014-06-04

    申请号：EP12819602.9

    申请日：2012-07-16

    Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

    Inventor： TONG, Zhiwei ,  ZHU, Jianhua ,  LU, Zhipei ,  LAI, Qing

    IPC: H01M10/42 ,  H01M10/50 ,  H02J7/00

    CPC classification number: H01M10/637 ,  B60L11/1866 ,  B60L11/1875 ,  B60L2240/545 ,  B60L2240/547 ,  H01M10/0525 ,  H01M10/4207 ,  H01M10/615 ,  H01M10/625 ,  H01M2220/20 ,  H02J7/0014 ,  H02J7/0019 ,  H02J7/0029 ,  H02J7/0054 ,  Y02E60/122 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/7061

    Abstract: An electricity supply system is provided. The electricity supply system comprises: a battery module (1), comprising at least two in-series modules (11), each in-series module (11) comprising at least two battery groups connected in series; a control module (2) connected with the battery module (1), comprising: an IGBT module (23), a relay module (22) comprising a plurality of relays K, in which each in-series module (11) is connected to the relay module (22), and the relay module (22) is connected to the IGBT module (23), a relay control module (21) configured for controlling an ON or OFF of each relay K so as to select one or more in-series modules (11 ) to work with the IGBT module (23); and a distribution box (3) connected with the control module (2). The electricity supply system may realize heating battery groups in batches and equilibrium of voltage between battery groups.

    Abstract translation: 提供电力供应系统。 该供电系统包括：电池模块（1），其包括至少两个串联模块（11），每个串联模块（11）包括串联连接的至少两个电池组; （1）连接的控制模块（2），包括：IGBT模块（23），包括多个继电器K的继电器模块（22），其中每个串联模块（11）连接到所述继电器模块 所述继电器模块（22）和所述继电器模块（22）与所述IGBT模块（23）连接，所述继电器控制模块（21）被配置为控制每个继电器K的打开或关闭以选择一个或多个输入 系列模块（11）与IGBT模块（23）一起工作; 和与控制模块（2）连接的配电箱（3）。 供电系统可实现分批加热电池组和电池组间电压平衡。

    BATTERY COVER ASSEMBLY AND BATTERY HAVING THE SAME
    40.
    发明公开
    BATTERY COVER ASSEMBLY AND BATTERY HAVING THE SAME 有权
    BATTERIEDECKEL组件和电池，其

    公开(公告)号：EP2705554A1

    公开(公告)日：2014-03-12

    申请号：EP12804329.6

    申请日：2012-06-25

    Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

    Inventor： JIANG, Luxia ,  SHI, Dongna ,  PI, Wenya ,  LAI, Qing ,  ZHU, Jianhua

    IPC: H01M2/04 ,  H01M2/06 ,  H01M2/08 ,  H01M2/26

    CPC classification number: H01M2/06 ,  H01M2/08 ,  H01M2/30

    Abstract: A battery and a battery cover assembly thereof are provided. The battery cover assembly comprises a cover (1) having a through hole; an extraction electrode terminal (3); and an insulating seal member disposed between the cover and the extraction electrode terminal. The extraction electrode terminal (3), starting from its top, includes a columnar seal part (31), a position part (32) and a weld part (33) that are consecutively connected together, the columnar seal part (31) passing through the through hole of the cover and having a seal groove formed along a circumferential surface thereof, the position part having a horizontally-oriented platform, and the weld part having a sheet-like shape and being perpendicular to the horizontally-oriented platform of the position part.

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