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    WINDING ASSEMBLY TYPE LITHIUM ION SECONDARY POWER BATTERIES
    21.
    发明申请
    WINDING ASSEMBLY TYPE LITHIUM ION SECONDARY POWER BATTERIES 审中-公开
    绕组总成型锂离子二次电池

    公开(公告)号：WO2006050674A1

    公开(公告)日：2006-05-18

    申请号：PCT/CN2005/001907

    申请日：2005-11-11

    Applicant: BYD COMPANY LIMITED

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

    IPC: H01M10/38

    CPC classification number: H01M2/0242 ,  H01M2/0245 ,  H01M2/263 ,  H01M2/30 ,  H01M2/347 ,  H01M10/0525 ,  H01M10/0587

    Abstract: A type of winding assembly type lithium ion secondary power battery includes: winding assembly type electrode cores wound with positive electrodes, negative electrodes and a separation membrane, electrolyte, and a battery shell. Its characteristics are: the interior of the battery shell carries at least one electrode units formed by electrode holders holding many stacked electrode cores. The terminal leads of the current collector for all positive and negative electrode cores are led from the upper and lower ends of the electrode unit respectively. The positive and negative terminals on cover boards and the outer side of the cover boards are connected to terminal leads of the current collector by built-in fasteners. There is a separation ring between the electrode core body of the battery and the cover boards of the battery. The present invention simplifies the manufacturing technology, increases the energy density of the battery, the mechanical property and safety property of the battery, and has an excellent high discharge property.

    Abstract translation: 一种绕组组合型锂离子二次电池包括：缠绕有正极，负极和分离膜，电解质和电池壳的绕组组装型电极芯。 其特征是：电池壳体的内部承载至少一个电极单元，该电极单元由保持许多层叠电极芯的电极夹持件形成。 用于所有正极和负极芯的集电器的端子引线分别从电极单元的上端和下端引出。 盖板上的正极和负极端子和盖板的外侧通过内置的紧固件连接到集电器的端子引线。 在电池的电极芯体和电池的盖板之间存在分离环。 本发明简化了制造技术，提高了电池的能量密度，电池的机械性能和安全性，并且具有优异的高放电性能。

    BATTERY HEATING SYSTEM, BATTERY ASSEMBLY AND ELECTRIC VEHICLE
    22.
    发明申请
    BATTERY HEATING SYSTEM, BATTERY ASSEMBLY AND ELECTRIC VEHICLE 审中-公开
    电池加热系统，电池组件和电动车

    公开(公告)号：WO2016000492A1

    公开(公告)日：2016-01-07

    申请号：PCT/CN2015/078799

    申请日：2015-05-12

    Applicant: BYD COMPANY LIMITED

    Inventor： SHEN, Xi ,  JIANG, Wenfeng ,  LIU, Jin ,  JIA, Xiaohui

    IPC: H01M10/60

    CPC classification number: H01M10/615 ,  B60H1/00278 ,  B60K2001/005 ,  B60K2001/006 ,  B60L11/1874 ,  B60L11/1875 ,  H01M10/4207 ,  H01M10/443 ,  H01M10/486 ,  H01M10/625 ,  H01M10/6571 ,  H01M2010/4271 ,  H01M2010/4278 ,  H01M2220/20

    Abstract: Embodiments of the present disclosure provide a battery heating system, a battery assembly and an electric vehicle. The battery heating system includes: a battery group having a positive pole and a negative pole; a switch having a first end connected with the positive pole; a large-current discharge module, and a controller connected to the switch and configured to control the switch according to a temperature of the battery group. A first end of the large-current discharge module is connected to a second end of the switch, and a second end of the large-current discharge module is connected to the negative pole. When the switch is turned on, the battery group discharges via the large-current discharge module and the battery group is heated due to an internal resistance thereof.

    Abstract translation: 本公开的实施例提供一种电池加热系统，电池组件和电动车辆。 电池加热系统包括：具有正极和负极的电池组; 开关，其具有与所述正极连接的第一端; 大电流放电模块，以及连接到开关并被配置为根据电池组的温度来控制开关的控制器。 大电流放电模块的第一端连接到开关的第二端，大电流放电模块的第二端连接到负极。 当开关打开时，电池组通过大电流放电模块放电，并且电池组由于其内部电阻而被加热。

    METHOD AND DEVICE FOR CONTROLLING BATTERY HEATING
    23.
    发明申请
    METHOD AND DEVICE FOR CONTROLLING BATTERY HEATING 审中-公开
    用于控制电池加热的方法和装置

    公开(公告)号：WO2010145439A1

    公开(公告)日：2010-12-23

    申请号：PCT/CN2010/073358

    申请日：2010-05-28

    Applicant: BYD COMPANY LIMITED ,  WU, Guanglin ,  LIU, Jin ,  ZHANG, Hao ,  SHEN, Xi

    Inventor： WU, Guanglin ,  LIU, Jin ,  ZHANG, Hao ,  SHEN, Xi

    IPC: H01M10/50

    CPC classification number: H01M10/486 ,  H01M10/052 ,  H01M10/48 ,  H01M10/615 ,  H01M10/623 ,  H01M10/625 ,  H01M10/633 ,  H01M10/637 ,  H01M10/657

    Abstract: The present invention discloses a method and a device for controlling battery heating. The method may comprise the following steps of: starting battery heating when conditions for starting battery heating are met; and stopping battery heating when conditions for stopping battery heating are met. The conditions for stopping battery heating may be at least one of the following: (a) an absorbed energy of the battery reaching a predetermined energy; (b) a period of time during which a discharging current of the battery maintains constant reaching a predetermined period of time; (c) the discharging current starting to decrease; or a heating time reaching a maximum heating time. The method and the device according to the present invention consider a plurality of conditions including temperature, discharging current, battery SOC and heating time etc. to determine battery heating, which may meet requirements of the practical applicabilities and may not damage the battery with enhanced battery lifespan.

    Abstract translation: 本发明公开了一种用于控制电池加热的方法和装置。 该方法可以包括以下步骤：当满足用于启动电池加热的条件时启动电池加热; 并且当满足停止电池加热的条件时停止电池加热。 停止电池加热的条件可以是以下至少一种：（a）电池的吸收能量达到预定能量; （b）电池的放电电流保持恒定达到预定时间段的时间段; （c）放电电流开始下降; 或达到最大加热时间的加热时间。 根据本发明的方法和装置考虑多种条件，包括温度，放电电流，电池SOC和加热时间等，以确定电池加热，这可以满足实际应用的要求，并且可能不会用增强的电池损坏电池 寿命。

    VEHICLE WITH BATTERY SYSTEM
    24.
    发明申请
    VEHICLE WITH BATTERY SYSTEM 审中-公开

    公开(公告)号：WO2009079962A8

    公开(公告)日：2009-07-02

    申请号：PCT/CN2008/073671

    申请日：2008-12-24

    Applicant: BYD COMPANY LIMITED ,  ZHENG, Weixin ,  ZHU, Jianhua ,  SHEN, Xi

    Inventor： ZHENG, Weixin ,  ZHU, Jianhua ,  SHEN, Xi

    IPC: H01M10/50 ,  H01M2/02

    Abstract: A vehicle capable of being driven by a battery system is provided. The vehicle includes at least one motor/generator and a battery system for supplying electrical power to and receiving electrical power from the motor/generator. The battery system includes multiple battery packs, and each battery pack comprises a plurality of cells. The cells in each battery pack are electrically connected with one another. Multiple battery pack housings are provided to house a plurality of cells. Each battery pack housing facilitates electrical connection to one or more other battery packs. The system also includes a compartment containing the multiple battery packs in their housings. The compartment facilitates electrical connection to the motor/generator.

    PLATE ASSEMBLY, CORE AND LITHIUM ION BATTERY
    26.
    发明申请
    PLATE ASSEMBLY, CORE AND LITHIUM ION BATTERY 审中-公开
    板组件，核心和锂离子电池

    公开(公告)号：WO2008052394A1

    公开(公告)日：2008-05-08

    申请号：PCT/CN2006/003469

    申请日：2006-12-18

    Applicant: BYD COMPANY LIMITED ,  HE, Long ,  SHEN, Xi ,  ZHU, Jianhua ,  GU, Hongchi

    Inventor： HE, Long ,  SHEN, Xi ,  ZHU, Jianhua ,  GU, Hongchi

    IPC: H01M2/14

    CPC classification number: H01M2/18 ,  H01M10/0585

    Abstract: Disclosed are a plate assembly for a battery, a core and a lithium ion battery. The plate assembly comprises a plate, a conductive terminal and a membrane bag, the plate is encapsulated in the membrane bag, an encapsulation line is formed when the membrane bag is encapsulated, and the conductive terminal is disposed at one end of the plate and protruded out of the membrane bag, wherein the encapsulation line has at least two loops around the periphery of the plate. The core comprises the plate assembly of the present invention. The lithium ion battery comprises the core of the present invention. Since the membrane bag included in the plate assembly of the present invention is encapsulated by at least two loops of encapsulation line around the periphery of the plate, the membrane bag can be encapsulated tightly, which can prevent effectively the membrane bag from being cracked, and prevent the short circuit from being occurred due to the contact of the positive and negative plates, and thereby effectively improves the mechanical impact resistance of the battery.

    Abstract translation: 公开了一种用于电池，芯和锂离子电池的板组件。 板组件包括板，导电端子和膜袋，板被封装在膜袋中，当膜袋被封装时形成封装线，并且导电端子设置在板的一端并突出 从该膜袋出来，其中所述包封线具有围绕所述板周边的至少两个环。 芯部包括本发明的板组件。 锂离子电池包括本发明的核心。 由于包含在本发明的板组件中的膜袋由围绕板的周边的至少两个包封线环封装，所以膜袋可以被密封地密封，这可以有效地防止膜袋破裂，并且 防止由于正极板和负极板的接触而发生短路，从而有效地提高电池的机械耐冲击性。

    A HEAT DISSIPATING DEVICE FOR A BATTERY PACK, AND A BATTERY PACK USING THE SAME
    27.
    发明申请
    A HEAT DISSIPATING DEVICE FOR A BATTERY PACK, AND A BATTERY PACK USING THE SAME 审中-公开
    一种用于电池组的散热装置和使用该电池组的电池组

    公开(公告)号：WO2007053993A1

    公开(公告)日：2007-05-18

    申请号：PCT/CN2006/000900

    申请日：2006-05-08

    Applicant: BYD COMPANY LIMITED ,  ZHU, Jianhua ,  SHEN, Xi ,  HAN, Yili ,  LAI, Qing

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

    IPC: H01M10/50

    CPC classification number: F28D15/0233 ,  F28D15/0266 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6554 ,  H01M10/6557 ,  H01M10/6568

    Abstract: Disclosed herein is a heat dissipating device for a battery pack which comprises a heat collecting plate having a heat collecting channel, a heat dissipating plate having a heat dissipating channel, and a pump, wherein, one port of the heat collecting channel is communicated with one port of the heat dissipating channel, the other port the heat collecting channel is communicated with the liquid outlet of the pump, and the liquid inlet of the pump is communicated with the other port of the heat dissipating channel. A battery pack using the heat dissipating device is also disclosed. During the operation of the heat dissipating device, the heat generated by the cells can be collected in the heat collecting plate and absorbed by the cooling liquid pumped into the heat collecting channel by the pump, the cooling liquid carrying the heat flows into the heat dissipating channel, the heat is dissipated outwardly through the heat dissipating plate, and then the cooling liquid is repeatedly pumped from the heat dissipating channel into the heat collecting channel by the pump, such that the heat generated by the cells can be dissipated rapidly and efficiently.

    Abstract translation: 本发明公开了一种电池组散热装置，其特征在于，包括具有集热通道的集热板，具有散热通道的散热板和泵，其中，所述集热通道的一个端口与一个 散热通道的端口，集热通道与泵的液体出口连通的另一端口，泵的液体入口与散热通道的另一端口连通。 还公开了使用散热装置的电池组。 在散热装置的运行过程中，由电池产生的热量可以被收集在集热板中并由被泵送到集热通道中的冷却液体吸收，承载热量的冷却液流入散热 通过散热板向外散发热量，然后通过泵将冷却液体从散热通道反复地泵送到集热通道中，使得由电池产生的热能够快速有效地消散。

    A LITHIUM ION BATTERY
    28.
    发明申请
    A LITHIUM ION BATTERY 审中-公开
    锂离子电池

    公开(公告)号：WO2007053990A1

    公开(公告)日：2007-05-18

    申请号：PCT/CN2006/000642

    申请日：2006-04-11

    Applicant: BYD COMPANY LIMITED ,  SHEN, Xi ,  ZHU, Jianhua ,  LAI, Qing ,  HAN, Yili

    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.

    Abstract translation: 本文公开了一种锂离子电池，其包括电极芯，电解质溶液，金属壳和端盖组件，所述金属壳包括外壁，内壁和室，所述电极芯和电解质溶液位于 并且所述电极芯与电极芯的电极端子连接到端盖组件，其中所述电极芯的数量多于一个，并且所述多个电极芯位于所述电极芯的室中 金属外壳。 根据本发明的锂离子电池具有优异的分散热分散性，高机械安全性和良好的高速放电性能。 此外，根据本发明的电池解决了现有技术的“卷绕电池”的问题，即电极板长且难以卷绕，现有技术的“堆叠式电池”使电极板难以 通过将高容量的电极芯分配到金属壳中并排放置的低容量的多个电极芯来制备和堆积，从而简化其制备。

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