WO2020253019A1 - 一种防震透气动力锂电池铝壳 - Google Patents

一种防震透气动力锂电池铝壳 Download PDF

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WO2020253019A1
WO2020253019A1 PCT/CN2019/113522 CN2019113522W WO2020253019A1 WO 2020253019 A1 WO2020253019 A1 WO 2020253019A1 CN 2019113522 W CN2019113522 W CN 2019113522W WO 2020253019 A1 WO2020253019 A1 WO 2020253019A1
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shell
aluminum shell
aluminum
aluminum casing
lithium battery
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PCT/CN2019/113522
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English (en)
French (fr)
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郭学宏
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南京唐壹信息科技有限公司
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Publication of WO2020253019A1 publication Critical patent/WO2020253019A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46Accumulators structurally combined with charging apparatus
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Definitions

  • the invention relates to the technical field of lithium battery aluminum casings, in particular to a shock-proof and breathable power lithium battery aluminum casing.
  • the power battery is the power source that provides the power source for the tool, and usually refers to the battery that provides power for electric cars, electric trains, electric bicycles, and golf carts.
  • the general analysis of the mechanism of the aluminum shell power ion battery believes that the lithium ion battery as a chemical power source refers to a secondary battery composed of two compounds that can reversibly insert and extract lithium ions as the positive and negative electrodes. When the battery is charged, lithium ions are extracted from the positive electrode and inserted in the negative electrode, and vice versa during discharge. Lithium-ion batteries are the result of research in physics, materials science, and chemistry.
  • lithium-ion batteries have the important advantages of high voltage, high capacity, long cycle life and good safety performance, they have broad application prospects in many aspects such as portable electronic equipment, electric vehicles, space technology, and defense industry.
  • power ion batteries are widely used, but the traditional aluminum casing of power lithium batteries does not have the effect of shock resistance and ventilation, which makes the power lithium battery work under harsh conditions and reduces the service life of the power lithium battery.
  • the purpose of the present invention is to provide a shockproof and ventilated power lithium battery aluminum shell in view of the defects and deficiencies of the prior art. It has a simple structure and is easy to install. The heat inside the aluminum shell is removed by a cooling fan to ensure the working environment of the power lithium battery. , Improve the service life of power lithium battery.
  • the present invention adopts the following technical solutions: it includes an upper aluminum shell 1, a lower aluminum shell 2, a spring 3, an upper fixed shell 4, a lower fixed shell 5, a connector 6, a heat dissipation hole 7, a heat dissipation fan 8.
  • the inner side of the upper aluminum shell 1 and the lower aluminum shell 2 are provided with a number of springs 3, the upper fixed shell 4 is fixedly connected to the inside of the upper aluminum shell 1 by the spring 3, and the lower fixed shell 5 is fixedly connected by the spring 3
  • the upper middle position of the upper aluminum case 1 and the middle position of the lower aluminum case 2 are both provided with heat dissipation holes 7, and the inside of the two heat dissipation holes 7 are both provided with a heat dissipation fan 8, and two The cooling fan 8 is fixedly connected to the upper aluminum shell 1 and the lower aluminum shell 2 respectively.
  • the outer left and right sides of the bottom of the upper aluminum shell 1 and the outer left and right sides of the top of the lower aluminum shell 2 are provided with connecting pieces 6, and the upper aluminum shell 1 is connected through The piece 6 and the nut 9 are fixedly connected to the lower aluminum shell 2, and the power lithium battery 10 is arranged inside the upper fixed shell 4 and the lower fixed shell 5.
  • the bottoms of the left and right sides of the upper aluminum shell 1 are provided with circular grooves 11
  • the tops of the left and right sides of the lower aluminum shell 2 are provided with circular limiting posts 21, and the circular limiting posts 21 and the circular concave
  • the vertical position of the groove 11 corresponds.
  • the left side of the lower aluminum shell 2 is provided with a charging port 22, the right side of the lower aluminum shell 2 is provided with a positive terminal 23 and a negative terminal 24, the charging port 22, the positive terminal 23, the negative terminal 24, and the heat sink
  • the fans 8 are electrically connected to the power lithium battery 10 through wires.
  • the number of the inner springs 3 of the upper aluminum shell 1 and the lower aluminum shell 2 is at least eight, and the eight springs 3 are evenly arranged inside the upper aluminum shell 1 and the lower aluminum shell 2.
  • the inner side of the upper fixed shell 4 and the lower fixed shell 5 are both provided with a soft pad 31, and the joint between the upper fixed shell 4 and the lower fixed shell 5 is provided with a sealing pad 32.
  • the present invention has the following beneficial effects: it has a simple structure and is easy to install, and the heat inside the aluminum housing is removed by the cooling fan, ensuring the working environment of the power lithium battery and improving the service life of the power lithium battery.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • FIG. 2 is a schematic diagram of the connection structure of the upper aluminum shell 1 and the lower aluminum shell 2 in the present invention.
  • the technical solution adopted in this specific embodiment is: it includes an upper aluminum shell 1, a lower aluminum shell 2, a spring 3, an upper fixed shell 4, a lower fixed shell 5, a connecting piece 6, and a heat dissipation hole 7.
  • the cooling fan 8, the nut 9, the inner sides of the upper aluminum shell 1 and the lower aluminum shell 2 are provided with a number of springs 3, the upper fixed shell 4 is fixedly connected to the inside of the upper aluminum shell 1 through the springs 3, and the lower fixed shell 5 It is fixedly connected to the inside of the lower aluminum shell 2 by a spring 3.
  • the upper middle position of the upper aluminum shell 1 and the middle position directly below the lower aluminum shell 2 are both provided with heat dissipation holes 7, and the insides of the two heat dissipation holes 7 are provided with heat dissipation
  • the fan 8 and the two cooling fans 8 are fixedly connected to the upper aluminum shell 1 and the lower aluminum shell 2 respectively.
  • the outer left and right sides of the bottom of the upper aluminum shell 1 and the outer left and right sides of the top of the lower aluminum shell 2 are provided with connecting pieces 6, respectively,
  • the upper aluminum shell 1 is fixedly connected to the lower aluminum shell 2 through the connecting piece 6 and the nut 9, and the power lithium battery 10 is arranged inside the upper fixed shell 4 and the lower fixed shell 5.
  • the bottoms of the left and right sides of the upper aluminum shell 1 are provided with circular grooves 11, the tops of the left and right sides of the lower aluminum shell 2 are provided with circular limiting posts 21, and the circular limiting posts 21 and the circular concave
  • the vertical position of the groove 11 corresponds.
  • the circular groove 11 and the circular limiting column 21 are the connecting limiting mechanism of the upper aluminum shell 1 and the lower aluminum shell 2, and the upper aluminum shell 1 and the lower aluminum shell are opposed by the circular groove 11 and the circular limiting column 21 2 Precise positioning during installation, saving time for installation of power lithium battery 10 and improving installation efficiency.
  • the left side of the lower aluminum shell 2 is provided with a charging port 22, the right side of the lower aluminum shell 2 is provided with a positive terminal 23 and a negative terminal 24, the charging port 22, the positive terminal 23, the negative terminal 24, and the heat sink
  • the fans 8 are electrically connected to the power lithium battery 10 through wires.
  • the positive terminal 23 and the negative terminal 24 are the power output terminals of the power lithium battery 10, and the power lithium battery 10 is charged through the charging port 22 when the power is low.
  • the number of the inner springs 3 of the upper aluminum shell 1 and the lower aluminum shell 2 is at least eight, and the eight springs 3 are evenly arranged inside the upper aluminum shell 1 and the lower aluminum shell 2.
  • the spring 3 is used for damping the upper fixed shell 4 and the lower fixed shell 5 to ensure that the power lithium battery 10 is not affected by vibration.
  • the inner side of the upper fixed shell 4 and the lower fixed shell 5 are both provided with a soft pad 31, and the joint between the upper fixed shell 4 and the lower fixed shell 5 is provided with a sealing pad 32.
  • the soft pad 31 can protect the outer surface of the power lithium battery 10 from damage.
  • the upper fixed shell 4 and the lower fixed shell 5 are provided with a gasket 32 at the connection point. The gasket 32 can ensure that the upper fixed shell 4 and the lower fixed shell 5 are connected. No moisture enters inside, ensuring the output environment of the power lithium battery 9.
  • the working principle of the present invention the power lithium battery 10 is installed inside the upper fixed shell 4 and the lower fixed shell 5.
  • the upper fixed shell 4 is fixedly connected to the inside of the upper aluminum shell 1 by the spring 3, and the lower fixed shell 5 is fixed by the spring 3.
  • the number of springs 3 in the upper aluminum shell 1 and the lower aluminum shell 2 is at least eight, and the eight springs 3 are evenly arranged inside the upper aluminum shell 1 and the lower aluminum shell 2.
  • the spring 3 is used for Shock absorption is performed on the upper fixed shell 4 and the lower fixed shell 5 to ensure that the power lithium battery 10 is not affected by vibration.
  • the inner side of the upper fixed shell 4 and the lower fixed shell 5 are both provided with soft pads 31, the upper fixed shell 4 and the lower fixed shell A gasket 32 is provided at the connection of 5, and the soft gasket 31 can protect the outer surface of the power lithium battery 10 from damage.
  • the connection between the upper fixed shell 4 and the lower fixed shell 5 is provided with a gasket 32, and the gasket 32 can ensure the upper The fixed shell 4 and the lower fixed shell 5 are connected without moisture ingress to ensure the output environment of the power lithium battery 9.
  • the present invention has the following beneficial effects: it has a simple structure and is easy to install, and the heat inside the aluminum housing is removed by the cooling fan, ensuring the working environment of the power lithium battery and improving the service life of the power lithium battery.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

一种防震透气动力锂电池铝壳,它涉及锂电池铝外壳技术领域。所述的上铝壳和下铝壳的内侧均设置有若干弹簧,上固定壳通过弹簧固定连接在上铝壳的内部,下固定壳通过弹簧固定连接在下铝壳的内部,上铝壳的正上方中间位置和下铝壳的正下方中间位置均设置有散热孔,两个散热孔的内侧均设置有散热风扇,且两个散热风扇分别与上铝壳和下铝壳固定连接,上铝壳的底部左右两侧外部和下铝壳顶部左右两侧外部均设置有连接件,上铝壳通过连接件和螺母与下铝壳固定连接,动力锂电池设置在上固定壳和下固定壳的内部,它结构简单,便于安装,通过散热风扇将铝外壳内部热量即使排除,确保动力锂电池的工作环境,提高动力锂电池的使用寿命。

Description

一种防震透气动力锂电池铝壳 技术领域
本发明涉及锂电池铝外壳技术领域,具体涉及一种防震透气动力锂电池铝壳。
动力电池即为工具提供动力来源的电源,多指为电动汽车、电动列车、电动自行车、高尔夫球车提供动力的蓄电池。铝壳动力离子电池的机理一般性分析认为,锂离子电池作为一种化学电源,指分别用两个能可逆地嵌入与脱嵌锂离子的化合物作为正负极构成的二次电池。当电池充电时,锂离子从正极中脱嵌,在负极中嵌入,放电时反之。锂离子电池是物理学、材料科学和化学等学科研究的结晶。
随着电子信息时代使对移动电源的需求快速增长。由于锂离子电池具有高电压、高容量的重要优点,且循环寿命长、安全性能好,使其在便携式电子设备、电动汽车、空间技术、国防工业等多方面具有广阔的应用前景。现如今动力离子电池应用十分广泛,但传统的动力锂电池铝外壳不具备抗震和透气效果,使动力锂电池处于恶劣的条件下工作,降低了动力锂电池的使用寿命。
发明内容
本发明的目的在于针对现有技术的缺陷和不足,提供一种防震透气动力锂电池铝壳,它结构简单,便于安装,通过散热风扇将铝外壳内部热量即使排除,确保动力锂电池的工作环境,提高动力锂电池的使用寿命。
为实现上述目的,本发明采用以下技术方案是:它包含上铝壳1、下铝壳2、弹簧3、上固定壳4、下固定壳5、连接件6、散热孔7、散热风扇8、螺母9,所述的上铝壳1和下铝壳2的内侧均设置有若干弹簧3,上固定壳4通过弹簧3固定连接在上铝壳1的内部,下固定壳5通过弹簧3固定连接在下铝壳2的内部,上铝壳1的正上方中间位置和下铝壳2的正下方中间位置均 设置有散热孔7,两个散热孔7的内侧均设置有散热风扇8,且两个散热风扇8分别与上铝壳1和下铝壳2固定连接,上铝壳1的底部左右两侧外部和下铝壳2顶部左右两侧外部均设置有连接件6,上铝壳1通过连接件6和螺母9与下铝壳2固定连接,动力锂电池10设置在上固定壳4和下固定壳5的内部。
所述的上铝壳1的左右两侧的底部设置有圆形凹槽11,下铝壳2的左右两侧顶部设置有圆形限位柱21,且圆形限位柱21和圆形凹槽11的垂直位置相对应。
所述的下铝壳2的左侧设置有充电口22,下铝壳2的右侧设置有正极接线柱23和负极接线柱24,充电口22、正极接线柱23、负极接线柱24、散热风扇8均通过电线与动力锂电池10电性连接。
所述的上铝壳1和下铝壳2内部弹簧3的数量最少为八个,且八个弹簧3在上铝壳1和下铝壳2内部均匀排列。
所述的上固定壳4和下固定壳5内侧均设置有软垫31,上固定壳4和下固定壳5的连接处设置有密封垫32。
采用上述技术方案后,本发明有益效果为:它结构简单,便于安装,通过散热风扇将铝外壳内部热量即使排除,确保动力锂电池的工作环境,提高动力锂电池的使用寿命。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本发明的结构示意图;
图2是本发明中上铝壳1和下铝壳2的连接结构示意图。
附图标记说明:上铝壳1、下铝壳2、弹簧3、上固定壳4、下固定壳5、连接件6、散热孔7、散热风扇8、螺母9、动力锂电池10、圆形凹槽11、圆形限位柱21、充电口22、正极接线柱23、负极接线柱24、软垫31、密封垫 32。
具体实施方式
参看图1-图2所示,本具体实施方式采用的技术方案是:它包含上铝壳1、下铝壳2、弹簧3、上固定壳4、下固定壳5、连接件6、散热孔7、散热风扇8、螺母9,所述的上铝壳1和下铝壳2的内侧均设置有若干弹簧3,上固定壳4通过弹簧3固定连接在上铝壳1的内部,下固定壳5通过弹簧3固定连接在下铝壳2的内部,上铝壳1的正上方中间位置和下铝壳2的正下方中间位置均设置有散热孔7,两个散热孔7的内侧均设置有散热风扇8,且两个散热风扇8分别与上铝壳1和下铝壳2固定连接,上铝壳1的底部左右两侧外部和下铝壳2顶部左右两侧外部均设置有连接件6,上铝壳1通过连接件6和螺母9与下铝壳2固定连接,动力锂电池10设置在上固定壳4和下固定壳5的内部。
所述的上铝壳1的左右两侧的底部设置有圆形凹槽11,下铝壳2的左右两侧顶部设置有圆形限位柱21,且圆形限位柱21和圆形凹槽11的垂直位置相对应。圆形凹槽11和圆形限位柱21为上铝壳1和下铝壳2的连接限位机构,通过圆形凹槽11和圆形限位柱21对上铝壳1和下铝壳2安装时进行精确定位,节约动力锂电池10安装的时间,提高安装效率。
所述的下铝壳2的左侧设置有充电口22,下铝壳2的右侧设置有正极接线柱23和负极接线柱24,充电口22、正极接线柱23、负极接线柱24、散热风扇8均通过电线与动力锂电池10电性连接。正极接线柱23和负极接线柱24为动力锂电池10的电力输出端,动力锂电池10电量不足时通过充电口22进行充电。
所述的上铝壳1和下铝壳2内部弹簧3的数量最少为八个,且八个弹簧3在上铝壳1和下铝壳2内部均匀排列。弹簧3用于对上固定壳4和下固定壳5进行减震,从而确保动力锂电池10不受震动影响。
所述的上固定壳4和下固定壳5内侧均设置有软垫31,上固定壳4和下固定壳5的连接处设置有密封垫32。软垫31可以保护动力锂电池10的外表 面不受损坏,上固定壳4和下固定壳5的连接处设置有密封垫32,密封垫32可以确保上固定壳4和下固定壳5连接的内部无水分进入,确保动力锂电池9的输出环境。
本发明的工作原理:将动力锂电池10安装在上固定壳4和下固定壳5的内部,上固定壳4通过弹簧3固定连接在上铝壳1的内部,下固定壳5通过弹簧3固定连接在下铝壳2的内部,上铝壳1和下铝壳2内部弹簧3的数量最少为八个,且八个弹簧3在上铝壳1和下铝壳2内部均匀排列,弹簧3用于对上固定壳4和下固定壳5进行减震,从而确保动力锂电池10不受震动影响,上固定壳4和下固定壳5内侧均设置有软垫31,上固定壳4和下固定壳5的连接处设置有密封垫32,软垫31可以保护动力锂电池10的外表面不受损坏,上固定壳4和下固定壳5的连接处设置有密封垫32,密封垫32可以确保上固定壳4和下固定壳5连接的内部无水分进入,确保动力锂电池9的输出环境。
采用上述技术方案后,本发明有益效果为:它结构简单,便于安装,通过散热风扇将铝外壳内部热量即使排除,确保动力锂电池的工作环境,提高动力锂电池的使用寿命。
以上所述,仅用以说明本发明的技术方案而非限制,本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换,只要不脱离本发明技术方案的精神和范围,均应涵盖在本发明的权利要求范围当中。

Claims (5)

  1. 一种防震透气动力锂电池铝壳,其特征在于:它包含上铝壳(1)、下铝壳(2)、弹簧(3)、上固定壳(4)、下固定壳(5)、连接件(6)、散热孔(7)、散热风扇(8)、螺母(9),所述的上铝壳(1)和下铝壳(2)的内侧均设置有若干弹簧(3),上固定壳(4)通过弹簧(3)固定连接在上铝壳(1)的内部,下固定壳(5)通过弹簧(3)固定连接在下铝壳(2)的内部,上铝壳(1)的正上方中间位置和下铝壳(2)的正下方中间位置均设置有散热孔(7),两个散热孔(7)的内侧均设置有散热风扇(8),且两个散热风扇(8)分别与上铝壳(1)和下铝壳(2)固定连接,上铝壳(1)的底部左右两侧外部和下铝壳(2)顶部左右两侧外部均设置有连接件(6),上铝壳(1)通过连接件(6)和螺母(9)与下铝壳(2)固定连接,动力锂电池(10)设置在上固定壳(4)和下固定壳(5)的内部。
  2. 根据权利要求1所述的一种防震透气动力锂电池铝壳,其特征在于:所述的上铝壳(1)的左右两侧的底部设置有圆形凹槽(11),下铝壳(2)的左右两侧顶部设置有圆形限位柱(21),且圆形限位柱(21)和圆形凹槽(11)的垂直位置相对应。
  3. 根据权利要求1所述的一种防震透气动力锂电池铝壳,其特征在于:所述的下铝壳(2)的左侧设置有充电口(22),下铝壳(2)的右侧设置有正极接线柱(23)和负极接线柱(24),充电口(22)、正极接线柱(23)、负极接线柱(24)、散热风扇(8)均通过电线与动力锂电池(10)电性连接。
  4. 根据权利要求1所述的一种防震透气动力锂电池铝壳,其特征在于:所述的上铝壳(1)和下铝壳(2)内部弹簧(3)的数量最少为八个,且八个弹簧(3)在上铝壳(1)和下铝壳(2)内部均匀排列。
  5. 根据权利要求1所述的一种防震透气动力锂电池铝壳,其特征在于:所述的上固定壳(4)和下固定壳(5)内侧均设置有软垫(31),上固定壳(4)和下固定壳(5)的连接处设置有密封垫(32)。
PCT/CN2019/113522 2019-06-21 2019-10-28 一种防震透气动力锂电池铝壳 WO2020253019A1 (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206921890U (zh) * 2017-04-25 2018-01-23 盘锦银基新能源技术研究院有限公司 一种铝壳动力锂电池的组成装结构
CN208570708U (zh) * 2018-06-02 2019-03-01 河南融基新能源有限公司 一种锂电池防护壳
CN209087939U (zh) * 2018-11-20 2019-07-09 深圳市英特莱实业股份有限公司 一种易于散热的防潮锂电池

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206921890U (zh) * 2017-04-25 2018-01-23 盘锦银基新能源技术研究院有限公司 一种铝壳动力锂电池的组成装结构
CN208570708U (zh) * 2018-06-02 2019-03-01 河南融基新能源有限公司 一种锂电池防护壳
CN209087939U (zh) * 2018-11-20 2019-07-09 深圳市英特莱实业股份有限公司 一种易于散热的防潮锂电池

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