WO2022068028A1 - 一种锂离子电池用插针式pack组件 - Google Patents

一种锂离子电池用插针式pack组件 Download PDF

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WO2022068028A1
WO2022068028A1 PCT/CN2020/131698 CN2020131698W WO2022068028A1 WO 2022068028 A1 WO2022068028 A1 WO 2022068028A1 CN 2020131698 W CN2020131698 W CN 2020131698W WO 2022068028 A1 WO2022068028 A1 WO 2022068028A1
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Prior art keywords
pin
pack assembly
type pack
type
ion battery
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PCT/CN2020/131698
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English (en)
French (fr)
Inventor
押媛媛
王念举
贾学恒
徐明辉
缪东方
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Tianjin Lishen Battery JSCL
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Tianjin Lishen Battery JSCL
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Priority claimed from CN202022202824.0U external-priority patent/CN213752782U/zh
Priority claimed from CN202011059246.8A external-priority patent/CN112151854A/zh
Application filed by Tianjin Lishen Battery JSCL filed Critical Tianjin Lishen Battery JSCL
Priority to EP20934234.4A priority Critical patent/EP4007038A4/en
Priority to US17/388,045 priority patent/US20220102765A1/en
Publication of WO2022068028A1 publication Critical patent/WO2022068028A1/zh
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to the technical field of secondary battery structure design, in particular to a pin-type pack assembly for lithium ion batteries.
  • a lithium-ion battery is a secondary battery that mainly relies on the movement of lithium ions between the positive and negative electrodes to work.
  • the traditional lithium-ion battery structure is equipped with a power management circuit capable of preventing battery overcharge, overdischarge, abuse of improper temperature environment, and power monitoring.
  • This part of the circuit and the battery cell are separate parts, which occupy the limited space in the battery. In part, the space ratio of the battery cell is reduced, which affects the performance of the battery.
  • the purpose of the present application is to provide a pin-type pack assembly for a lithium ion battery.
  • At least one group of integrated circuit devices is arranged in the axial through hole of the pin-type pack assembly shell, and the integrated circuit device at least contains one electric polarity access terminal and one electric polarity output terminal, the positive electrode of the electrode group and/ Or the negative electrode is conductively connected with the access terminal, so as to realize the separation of battery polarity and the function of battery power management.
  • the integrated circuit device includes a component with a protection function and a component with a connection function.
  • the component with the protection function includes one or more of the following elements:
  • Resistors for voltage dividing and current limiting are Resistors for voltage dividing and current limiting
  • Negative temperature coefficient thermistor NTC positive temperature coefficient thermistor PTC.
  • the components that play the role of connection include one or more of the following components: PCB, FPC, connector, and nickel tape.
  • the pin-type pack assembly case is used in cooperation with a battery case, and the battery case is sealedly connected with the pin-type pack assembly case to form an annular closed cavity capable of accommodating the electrode group.
  • the longitudinal section of the pin pack assembly shell is type or type or type
  • the electrode group is a wound electrode group with a central hole.
  • An insulating substance is provided in the axial through hole of the pin-type pack assembly shell, and the integrated circuit device is separated from the pin-type pack assembly shell through the insulating substance.
  • the insulating material is provided with a liquid injection hole.
  • the housing of the pin-type pack assembly is provided with or not provided with a liquid injection hole.
  • the integrated circuit device is arranged in the housing of the pin-type pack assembly, and the parts or all of the pin-type pack assembly are arranged in the central hole of the electrode group, which not only saves space, but also can connect the positive electrode and/or the positive electrode of the battery.
  • the negative electrode is conductively connected with the integrated circuit access terminal, and the integrated circuit output terminal leaks out as a positive electrode and/or a negative electrode lead-out pole, and simultaneously realizes the functions of battery polarity separation and power management.
  • FIG. 1 is a first schematic diagram of the structure of an embodiment of the present invention
  • Fig. 2 is the second schematic diagram of the structure of the embodiment of the present invention.
  • FIG. 3 is a third schematic diagram of the structure of the embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an implementation structure of the present invention applied to a lithium ion battery.
  • the first embodiment structure 100A includes: a pin-type pack assembly housing 101 with an axial through hole, the pin-type pack assembly The component housing 101 is partially inserted into the central hole of the electrode group;
  • the power management components include tab adapters 103-8, PCB 103-7, FPC103-1 and power protection device IC chips 103-2, MOS tubes 103-3, resistors 103-4, capacitors 103-5, NTC103 -6, PTC and TCO, etc., other components can also be set according to actual needs, among which the power protection device PTC and TCO can be set or not set according to needs.
  • the longitudinal section of the pin pack assembly housing 101 is Correspondingly, the longitudinal section of the battery case 300 is U-shaped.
  • the battery housing 300 and the pin-type pack assembly housing 101 may be integrally formed, respectively, or may be a structure formed by splicing multiple parts.
  • the positive electrode 201 and the negative electrode 202 are respectively conductively connected to the tab adapters 103-8 in the power management component, so as to realize the battery protection function;
  • the two tab adapters 103-8 in the power management component are respectively welded and connected to one end of the positive electrode transition conductor 204 and the negative electrode transition conductor 205.
  • the transition conductors here may include:
  • the positive and negative electrode blank foils can also be directly welded and connected to the two tab adapters in the power management component.
  • the other ends of the positive electrode transition conductor 204 and the negative electrode transition conductor 205 are respectively welded and connected to the positive electrode 201 and the negative electrode 202;
  • the pin assembly housing 101 is used in cooperation with the battery housing 300, and the two are sealed and connected to form an annular closed cavity capable of accommodating the electrode group.
  • a second embodiment structure 100B of a pin-type pack assembly with a power management function is provided.
  • the longitudinal section of the pin-type pack assembly shell 101 is Correspondingly, the longitudinal section of the battery case 300 is in a "one" shape.
  • a third embodiment structure 100C of a pin-type pack assembly with power management function is provided, and the longitudinal section of the pin-type pack assembly shell 101 is Correspondingly, the longitudinal section of the battery case 300 is glyph.
  • an insulating substance 102 is provided in the axial through hole of the pin-type pack assembly housing, and the integrated circuit device 103 is separated from the pin-type pack assembly housing 101 by the insulating substance 102 .
  • Integrated circuit device 103 passes through insulating substance 102 .
  • the longitudinal section of the insulating material 102 can be set as The upper cylindrical part of the insulating material 102 is inserted into the axial through hole of the pin-type pack assembly shell, and the lower end-shaped part completely covers the lower end face of the axial through-hole wall, so as to avoid the pin-type pack assembly shell and the pin-type pack assembly shell.
  • the two tab transfer pieces 103-8 in the power management component are in contact and short circuit occurs.
  • the insulating material can also be in other shapes, such as a cylindrical shape, an I-shaped shape, and the like.
  • a layer of insulating tape 300-a is laid on the inner side of the bottom end of the battery case 300 to prevent a short circuit between the two tab adapters 103-8 in the power management component and the battery case 300.
  • a short circuit occurs between the positive electrode transition conductor 204 , the negative electrode transition conductor 205 and the battery case 300 .
  • the electrode group 200 is a winding type, which includes a central hole, the electrode group includes a positive electrode 201, a negative electrode 202 and a separator 203 separating the positive and negative electrodes, the positive electrode 201, the negative electrode 202 and the separator 203 is formed in a spiral winding manner around a central hole, and the diameter of the central hole is larger than 0 and smaller than the diameter of the battery.
  • liquid injection hole 400 in the present application may be provided on the battery casing 300 , or may be provided on the housing of the pin-type pack assembly or on the insulating material.
  • the solution of the present invention is preferably applicable to cylindrical lithium-ion batteries.
  • the assembly process of the present invention is as follows, taking the structure of the second embodiment structure 100A of a group of pin-type pack assemblies with power management functions as an example:
  • Polypropylene plastic is injected into the housing 101 of the pin-type pack assembly through a template injection method to form an insulating substance 102, and finally the PCB hard board in the power management part is completely wrapped, the FPC soft board in the power management part is partially wrapped, and the rest of the It is led out from the upper end for direct connection with the interface of electronic components.
  • the two tab adapters 103-8 in the power management part are partially wrapped, and the rest are led out from the lower end for direct or indirect connection with the positive and negative poles. Sheet conductive link.
  • the insulating substance 102 is tightly combined with the inner wall of the metal pin pack assembly shell 101 .
  • the above-mentioned electrode group 200 and the pin-type pack assembly 100 are assembled and then assembled into the battery case 300 containing the electrolyte, and the pin-type pack assembly 100 and the battery case 300 are welded at the junction by the laser welding process.
  • An annular cavity is formed to accommodate the electrode group 200 therein.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种锂离子电池用插针式pack组件（100），包括：一个带轴向通孔的插针式pack组件壳体（101），所述插针式pack组件壳体（101）部分或全部插入电极组（200）的中心孔内；所述插针式pack组件壳体（101）的轴向通孔内设置至少一组集成电路器件（103），所述集成电路器件（103）至少含有一个电极性接入端子和一个电极性输出端子，电极组（200）的正电极（201）和/或负电极（202）与所述接入端子导电连接，以实现电池极性分离及电池的电源管理功能。将集成电路器件（103）设置在插针式pack组件壳体（101）内，插针式pack组件壳体（101）部分或全部设置在电极组（200）的中心孔内，不仅仅实现了空间上的节约，同时能够实现电池极性分离和电源管理功能。

Description

一种锂离子电池用插针式pack组件 技术领域
本发明涉及二次电池结构设计技术领域，具体涉及了一种锂离子电池用插针式pack组件。
背景技术
锂离子电池是一种二次电池，它主要依靠锂离子在正极和负极之间移动来工作。
随着技术的发展和进步，锂离子电池的结构也在随之改进。传统的锂离子电池结构中设置具备防止电池过充、过放、不当温度环境滥用及电量监控功能的电源管理电路，该部分电路与电芯是分离的两部分，其占用了电池内有限空间的一部分，降低了电芯的空间占比，影响了电池的性能。
发明内容
为了解决上述问题，本申请的目的在于提供一种锂离子电池用插针式pack组件。
为实现本发明的目的，本发明提供的一种锂离子电池用插针式pack组件，包括：
一个带轴向通孔的插针式pack组件壳体，所述插针式pack组件壳体部分或全部插入电极组中心孔内；
所述插针式pack组件壳体的轴向通孔内设置至少一组集成电路器件，所述集成电路器件至少含有一个电极性接入端子和一个电极性输出端子，电极组的正电极和/或负电极与所述接入端子导电连接，以实现电池极性分离及电池的电源管理功能。
其中，所述的集成电路器件包括具有保护功能的部件以及起连接作用的部件。
其中，所述具有保护功能的部件包括如下一种或几种元件：
用于监测整个电池回路的电压、电流的IC芯片；
用于作为保护板回路的开关MOS管；
用于分压和限流的电阻；
用于稳压的电容；
负温度系数热敏电阻器NTC、正温度系数热敏电阻器PTC。
其中，起连接作用的部件包括如下一种或几种元件：PCB、FPC、connector、镍带。
其中，
所述插针式pack组件壳体与电池外壳相配合使用，所述电池外壳与所述插针式pack组件壳体密封连接，形成能够容纳所述电极组的环状密闭空腔。
其中，
所述插针式pack组件壳体的纵截面呈
Figure PCTCN2020131698-appb-000001
型或
Figure PCTCN2020131698-appb-000002
型或
Figure PCTCN2020131698-appb-000003
型
其中，
所述电极组为带有中心孔的绕卷型电极组。
其中，
所述插针式pack组件壳体的轴向通孔内设置有绝缘物质，通过所述绝缘物质将集成电路器件与插针式pack组件壳体分离。
其中，所述绝缘物质上设置有注液孔。
其中，所述插针式pack组件壳体上设置有或者不设置有注液孔。
本专利将集成电路器件设置在插针式pack组件壳体内，插针式pack组件部件或全部设置在电极组中心孔内，不仅仅实现了空间上的节约，而且能够将电池的正电极和/或负电极与集成电路接入端子导电连接，集成电路输出端子漏出作为正电极和/或负电极引出极子，同时实现电池极性分离和电源管理功能。
附图说明
图1为本发明实施例的结构第一示意图；
图2为本发明实施例的结构第二示意图；
图3为本发明实施例的结构第三示意图。
图4为本发明应用于锂离子电池中的一种实施结构的示意图。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
以下结合附图和具体实施例对本发明作进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1所示，
本实施例公开了一组具有电源管理功能的插针式pack组件第一种实施例结构100A，其包括：一个带轴向通孔的插针式pack组件壳体101，所述插针式pack组件壳体101部分插入所述电极组中心孔内；
所述电源管理部件包括极耳转接片103-8、PCB 103-7、FPC103-1以及电源保护器件IC芯片103-2、MOS管103-3、电阻103-4、电容103-5、NTC103-6、PTC和TCO等，还可以根据实际需求，设置其他部件，其中电源保护器件PTC和TCO可设置也可跟据需要不设置。
其中，插针式pack组件壳体101的纵截面呈
Figure PCTCN2020131698-appb-000004
型，与其对应地，电池外壳300的纵截面呈U形。
需要说明的是，本申请中，电池外壳300和插针式pack组件壳体101分别可以为一体成型，或者可以为多个部分拼接成的结构。
如图4所示，
所述正电极201和负电极202分别与电源管理部件中的极耳转接片103-8导电连接，以实现电池保护功能；
其中，所述电源管理部件中的两个极耳转接片103-8分别与正电极过渡导体204、负电极过渡导体205的一端焊接连接，需要说明的是，此处的过渡导体可以有，也可用正负极片空箔与电源管理部件中的两个极耳转接片直 接焊接连接。正电极过渡导体204、负电极过渡导体205的另一端分别与所述正电极201和负电极202焊接连接；
所述插针组件壳体101与电池外壳300相配合使用，两者密封连接，形成能够容纳所述电极组的环状密闭空腔。
如图2所示，提供了一组具有电源管理功能的插针式pack组件第二种实施例结构100B，插针式pack组件壳体101的纵截面呈
Figure PCTCN2020131698-appb-000005
型，与其对应地，电池外壳300的纵截面呈“一”字形。
如图3所示，提供了一组具有电源管理功能的插针式pack组件第三种实施例结构100C，插针式pack组件壳体101的纵截面呈
Figure PCTCN2020131698-appb-000006
型，与其对应地，电池外壳300的纵截面呈
Figure PCTCN2020131698-appb-000007
字形。
需要说明的是，所述插针式pack组件壳体的轴向通孔内设置有绝缘物质102，通过所述绝缘物质102将集成电路器件103与插针式pack组件壳体101分离。集成电路器件103穿过绝缘物质102。
需要说明的是，绝缘物质102的纵截面可以设置为
Figure PCTCN2020131698-appb-000008
形，绝缘物质102上面柱状的部分插入插针式pack组件壳体的轴向通孔内，下面端状部将轴向通孔壁下端面完全覆盖住，以避免插针式pack组件壳体与电源管理部件中的两个极耳转接片103-8接触从而发生短路。
当然，绝缘物质也可为其他形状，如圆柱状、工字型等。
需要说明的是，电池外壳300底端内侧面铺设一层绝缘胶带300-a，用于防止电源管理部件中的两个极耳转接片103-8与电池外壳300之间发生短路，同样防止正电极过渡导体204、负电极过渡导体205与电池外壳300之间发生短路。
需要说明的是，本发明中电极组200为绕卷型，其包括一个中心孔，电极组包括正电极201和负电极202以及分隔正负电极的隔膜203，正电极201、负电极202及隔膜203围绕中心孔以螺旋卷绕方式成形，所述中心孔直径大于0，小于电池直径。
需要说明的是，本申请中的注液孔400可以设置在所述电池外壳300上，也可以设置在插针式pack组件壳体上或者绝缘物质上。
需要说明的是，本发明方案优选适用于圆柱形锂离子电池。
本发明组装工艺如下，以一组具有电源管理功能的插针式pack组件第二种实施例结构100A的结构，进行举例：
插针式pack组件壳体101内通过模板注塑法注入了聚丙烯塑料，形成绝缘物质102，最终将电源管理部件中的PCB硬板完全包裹，电源管理部件中的FPC软板部分包裹，其余部分从上端部引出，用于直接与电子元器件接口衔接，电源管理部件中的两个极耳转接片103-8部分包裹，其余部分从下端部引出，用于直接或者间接地与正负极片导电链接。同时绝缘物质102与金属插针式pack组件壳体101内壁紧密结合。
另外，插针式pack组件与电池其他部分的结构组装如下：
将插针式pack组件100的插针式pack组件壳体101插入电极组200的中心孔内，然后将插针式pack组件壳体101内的电源管理部件中的两个极耳转接片103-8向外弯折后分别与电极组200的正电极过渡导体204、负电极过渡导体205焊接。
上述电极组200与插针式pack组件100完成组装后再整体装入盛有电解液的电池外壳300内，通过激光焊接工艺将插针式pack组件100和电池外壳300在连接处焊接上，最终形成环状空腔将电极组200容纳在其中。
需要说明的是，本申请中未详述的技术方案，采用公知技术。
以上所述仅是本发明的优选实施方式，应当指出的是，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

  1. 一种锂离子电池用插针式pack组件，其特征在于，包括：
    一个带轴向通孔的插针式pack组件壳体，所述插针式pack组件壳体部分或全部插入电极组中心孔内；
    所述插针式pack组件壳体的轴向通孔内设置至少一组集成电路器件，所述集成电路器件至少含有一个电极性接入端子和一个电极性输出端子，电极组的正电极和/或负电极与所述接入端子导电连接，以实现电池极性分离及电池的电源管理功能。
  2. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，所述的集成电路器件包括具有保护功能的部件以及起连接作用的部件。
  3. 根据权利要求2所述的一种锂离子电池用插针式pack组件，其特征在于，所述具有保护功能的部件包括如下一种或几种元件：
    用于监测整个电池回路的电压、电流的IC芯片；
    用于作为保护板回路的开关MOS管；
    用于分压和限流的电阻；
    用于稳压的电容；
    负温度系数热敏电阻器NTC、正温度系数热敏电阻器PTC。
  4. 根据权利要求2所述的一种锂离子电池用插针式pack组件，其特征在于，起连接作用的部件包括如下一种或几种元件：PCB、FPC、connector、镍带。
  5. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，
    所述插针式pack组件壳体与电池外壳相配合使用，所述电池外壳与所述插针式pack组件壳体密封连接，形成能够容纳所述电极组的环状密闭空腔。
  6. 根据权利要求5所述的一种锂离子电池用插针式pack组件，其特征在于，
    所述插针式pack组件壳体的纵截面呈
    Figure PCTCN2020131698-appb-100001
    型或
    Figure PCTCN2020131698-appb-100002
    型或“||”型。
  7. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，
    所述电极组为带有中心孔的绕卷型电极组。
  8. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，
    所述插针式pack组件壳体的轴向通孔内设置有绝缘物质，通过所述绝缘物质将集成电路器件与插针式pack组件壳体分离。
  9. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，所述绝缘物质上或设置有注液孔。
  10. 根据权利要求1所述的一种锂离子电池用插针式pack组件，其特征在于，所述插针式pack组件壳体上设置有或者不设置有注液孔。
PCT/CN2020/131698 2020-09-30 2020-11-26 一种锂离子电池用插针式pack组件 Ceased WO2022068028A1 (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262064A (en) * 1980-03-28 1981-04-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Toroidal cell and battery
US5501916A (en) * 1993-04-15 1996-03-26 Sony Corporation Battery having a through-hole and heat dissipating means
EP0887876A1 (en) * 1997-06-27 1998-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Cylinder-shaped secondary battery
JP2007294111A (ja) * 2006-04-20 2007-11-08 Toshiba Battery Co Ltd 小型電池
CN103000953A (zh) * 2007-03-26 2013-03-27 吉列公司 可充电电池和充电方法
US20160301118A1 (en) * 2013-04-09 2016-10-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Lithium electrochemical storage battery having a casing providing improved thermal dissipation, associated battery pack and production processes
CN108023112A (zh) * 2016-10-28 2018-05-11 陆普科技股份有限公司 二次电池

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4262064A (en) * 1980-03-28 1981-04-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Toroidal cell and battery
US5501916A (en) * 1993-04-15 1996-03-26 Sony Corporation Battery having a through-hole and heat dissipating means
EP0887876A1 (en) * 1997-06-27 1998-12-30 Kabushiki Kaisha Toyota Chuo Kenkyusho Cylinder-shaped secondary battery
JP2007294111A (ja) * 2006-04-20 2007-11-08 Toshiba Battery Co Ltd 小型電池
CN103000953A (zh) * 2007-03-26 2013-03-27 吉列公司 可充电电池和充电方法
US20160301118A1 (en) * 2013-04-09 2016-10-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Lithium electrochemical storage battery having a casing providing improved thermal dissipation, associated battery pack and production processes
CN108023112A (zh) * 2016-10-28 2018-05-11 陆普科技股份有限公司 二次电池

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