WO2019019967A1 - Battery cell connecting strip, battery connection structure and battery combination - Google Patents

Battery cell connecting strip, battery connection structure and battery combination Download PDF

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Publication number
WO2019019967A1
WO2019019967A1 PCT/CN2018/096638 CN2018096638W WO2019019967A1 WO 2019019967 A1 WO2019019967 A1 WO 2019019967A1 CN 2018096638 W CN2018096638 W CN 2018096638W WO 2019019967 A1 WO2019019967 A1 WO 2019019967A1
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WIPO (PCT)
Prior art keywords
battery
cell
core
cells
connecting strip
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PCT/CN2018/096638
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French (fr)
Chinese (zh)
Inventor
曾庆苑
蒋世用
钟宽
李影
陈宝荣
吉纯
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格力电器(武汉)有限公司
珠海格力电器股份有限公司
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Priority to CN201710607573.4 priority Critical
Priority to CN201710607573.4A priority patent/CN107394093B/en
Application filed by 格力电器(武汉)有限公司, 珠海格力电器股份有限公司 filed Critical 格力电器(武汉)有限公司
Publication of WO2019019967A1 publication Critical patent/WO2019019967A1/en

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/528Fixed electrical connections, i.e. not intended for disconnection
    • 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

Abstract

The invention discloses a battery cell connecting strip, a battery connection structure and a battery combination. The battery cell connecting strip comprises a first battery cell welding part, a conductive connection part and a second battery cell welding part. One end of the conductive connection part is connected to the first battery cell welding part, and the other end of the conductive connection part is connected to the second battery cell welding part. According to the invention, two battery cells can be connected by one battery cell connecting strip, so that a certain number of battery cells can be combined or the battery cell number can be adjusted more conveniently according to a required capacity, and the engagement between battery cells can be flatter and tighter. Because of the decrease of the welding times, the internal resistance is reduced correspondingly, and the problems of potential safety hazard due to excessive heating resulted from too many times of welding and relatively limited number of combined battery cell in the prior art can be avoided.

Description

电芯连接条、电池连接结构和电池组合Cell connection strip, battery connection structure and battery combination
本申请要求于2017年07月24日提交中国专利局、申请号为201710607573.4、发明名称为“电芯连接条、电池连接结构和电池组合”的中国专利申请的优先权,其全部内容通过引用结合在本申请中This application claims the priority of the Chinese Patent Application filed on July 24, 2017, the Chinese Patent Application No. 201710607573.4, entitled "Cell Connection Bar, Battery Connection Structure and Battery Combination", the entire contents of which are incorporated by reference. In this application
技术领域Technical field
本发明涉及电池技术领域,具体而言,涉及一种电芯连接条、电池连接结构和电池组合。The present invention relates to the field of battery technology, and in particular to a battery connecting strip, a battery connecting structure and a battery combination.
背景技术Background technique
储能动力大软包电池中,通常采用并联多个电芯的方式提升电池容量。这在新能源行业里非常的普遍,这种方式就涉及到大软包电池中电芯并联的焊接方式。但是,现有技术中的组合式电池内部并联多个电芯时存在不平整,焊接次数太多导致发热多造成安全隐患,且电芯数量相对受限的问题。In energy storage power large soft pack batteries, battery capacity is usually increased by connecting a plurality of batteries in parallel. This is very common in the new energy industry, which involves the parallel welding of cells in large soft pack batteries. However, in the prior art combined battery, there are irregularities in the parallel connection of a plurality of batteries, and the number of times of welding is too large, resulting in a safety hazard due to heat generation, and the number of cells is relatively limited.
发明内容Summary of the invention
本发明实施例中提供一种电芯连接条、电池连接结构和电池组合,以解决现有技术中组合式电池内部并联多个电芯时不平整,焊接次数太多导致发热多造成安全隐患,且电芯数量相对受限的问题。In the embodiment of the present invention, a battery connecting strip, a battery connecting structure and a battery combination are provided to solve the problem that the plurality of batteries in the combined battery are not leveled in the prior art, and the number of welding times is too large, resulting in a safety hazard. And the problem that the number of cells is relatively limited.
为实现上述目的,本发明实施例提供一种电芯连接条,包括第一电芯焊接部、导电连接部和第二电芯焊接部,所述导电连接部的一端与所述第一电芯焊接部连接,所述导电连接部的另一端与所述第二电芯焊接部连接。In order to achieve the above object, an embodiment of the present invention provides a battery core connecting strip, including a first core soldering portion, a conductive connecting portion and a second core soldering portion, one end of the conductive connecting portion and the first battery core The soldering portion is connected, and the other end of the conductive connecting portion is connected to the second cell bonding portion.
作为优选,所述导电连接部的宽度小于或等于所述第一电芯焊接部的宽度及所述第一电芯焊接部的宽度。Preferably, the width of the conductive connection portion is less than or equal to the width of the first cell core welded portion and the width of the first cell core welded portion.
本发明还提供了一种电池连接结构,包括上述的电芯连接条。The present invention also provides a battery connection structure comprising the above-described battery core connection strip.
作为优选,所述电池连接结构包括多个依次设置的电芯,相邻两个所述电芯之间通过一个所述电芯连接条连接,该一个所述电芯连接条的第一电芯焊接部与该相邻两个所述电芯中的一个电芯连接,该一个所述电芯连接条的第二电芯焊接部与该相邻两个所述电芯中的另一个电芯连接。Preferably, the battery connecting structure comprises a plurality of cells arranged in sequence, and two adjacent cells are connected by one of the cell connecting strips, and the first cell of the one of the cell connecting strips a soldering portion is connected to one of the two adjacent ones of the cells, a second cell soldering portion of the one of the cell connecting strips and another one of the two adjacent ones of the cells connection.
作为优选,该一个所述电芯连接条的第一电芯焊接部与该相邻两个所述电芯中的一个电芯的金属空箔连接,该一个所述电芯连接条的第二电芯焊接部与该相邻两个所述电芯中的另一个电芯的金属空箔连接。Preferably, the first cell soldering portion of the one of the battery connecting strips is connected to the metal foil of one of the two adjacent cells, and the second of the one of the cell connecting strips The cell core is connected to the metal foil of the other of the two adjacent cells.
作为优选,每个所述电芯包括第一侧和第二侧,所述第一电芯焊接部与该相邻两个所述电芯中的一个电芯的第一侧的金属空箔连接,所述第二电芯焊接部与该相邻两个所述电芯中的另一个电芯的第二侧的金属空箔连接。Advantageously, each of said cells includes a first side and a second side, said first cell solder joint being connected to a metal empty foil of a first side of one of said adjacent ones of said cells The second cell core is connected to the metal foil of the second side of the other of the two adjacent cells.
作为优选,该一个所述电芯连接条设置在该相邻两个所述电芯之间。Advantageously, the one of the cell connecting strips is disposed between the adjacent two of the cells.
作为优选,所述电池连接结构还包括极耳,所述极耳与一个所述电芯连接条的导电连接部连接。Advantageously, said battery connection structure further comprises a tab, said tab being coupled to an electrically conductive connection of said cell connection strip.
作为优选,所述极耳为软包极耳。Preferably, the tabs are soft pack tabs.
作为优选,所述极耳采用权利要求1所述的电芯连接条,且用作所述极耳的电芯连接条的导电连接部的宽度等于所述第一电芯焊接部的宽度及所述第一电芯焊接部的宽度。Preferably, the tab uses the cell connecting strip of claim 1, and the width of the conductive connecting portion serving as the cell connecting strip of the tab is equal to the width and the width of the first cell soldering portion. The width of the first cell core is described.
本发明还提供了一种电池组合,包括上述的电芯连接条,或包括上述的电池连接结构。The present invention also provides a battery assembly comprising the above-described battery core connecting strip or the battery connecting structure described above.
本发明可利用一个电芯连接条将两个电芯连接起来,因而可依据所需的容量更加方便组合电芯的数量或对电芯数量进行调整,而且可使电芯之间的组合得更加平整和紧密。由于焊接的次数减少了,相对应地降低了内阻,避免了现有技术中由于焊接次数太多导致发热多造成安全隐患,组合电芯的数量相对受限的问题。The invention can connect two batteries by using a battery connecting strip, so that the number of cells can be more conveniently adjusted according to the required capacity or the number of cells can be adjusted, and the combination between the cells can be further improved. Level and tight. Since the number of times of welding is reduced, the internal resistance is correspondingly reduced, and the problem that the number of combined cells is relatively limited due to the safety hazard caused by too much heat generation due to too many welding times is avoided in the prior art.
附图说明DRAWINGS
图1是本发明第一实施例中的电芯连接条的示意图;Figure 1 is a schematic view of a cell connecting strip in a first embodiment of the present invention;
图2是本发明第二实施例中的电芯连接条的示意图;Figure 2 is a schematic view of a cell connecting strip in a second embodiment of the present invention;
图3是本发明实施例的软包极耳的示意图;3 is a schematic view of a soft bag ear according to an embodiment of the present invention;
图4是本发明实施例的电芯连接条与极耳的连接示意图;4 is a schematic view showing the connection of a cell connecting strip and a tab according to an embodiment of the present invention;
图5是本发明实施例的两个电芯时的电池连接结构的示意图;5 is a schematic view showing a battery connection structure when two batteries are used in an embodiment of the present invention;
图6是本发明实施例的软包电池时四个电芯时的电池连接结构的示意图;6 is a schematic view showing a battery connection structure of four batteries in a soft pack battery according to an embodiment of the present invention;
图7是本发明实施例的四个电芯时的电池连接结构的侧视图;Figure 7 is a side elevational view showing the battery connection structure of the four batteries of the embodiment of the present invention;
图8是本发明实施例的四个电芯时的电池连接结构的俯视图;Figure 8 is a plan view showing a battery connecting structure in the case of four batteries of the embodiment of the present invention;
图9是本发明实施例的硬包电池时的电池连接结构的示意图。Fig. 9 is a schematic view showing a battery connection structure in the case of a hard pack battery according to an embodiment of the present invention.
附图标记说明:1、第一电芯焊接部;2、导电连接部;3、第二电芯焊接部;4、电芯;5、极耳;6、白胶;7、金属空箔;8、电芯连接条。DESCRIPTION OF REFERENCE NUMERALS: 1, first electric core welded portion; 2, conductive connecting portion; 3, second electric core welded portion; 4, battery core; 5, tab; 6, white glue; 7, metal empty foil; 8, the battery connection bar.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明作进一步详细描述,但不作为对本发明的限定。The invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
本发明实施例提供一种电芯连接条,包括第一电芯焊接部1、导电连接部2和第二电芯焊接部3,所述导电连接部2的一端与所述第一电芯焊接部1连接,所述导电连接部2的另一端与所述第二电芯焊接部3连接。电芯连接条可以形成为片状结构。An embodiment of the present invention provides a battery core connecting strip, including a first core soldering portion 1, a conductive connecting portion 2 and a second core soldering portion 3, one end of the conductive connecting portion 2 is soldered to the first battery core The portion 1 is connected, and the other end of the conductive connecting portion 2 is connected to the second cell welded portion 3. The cell connecting strip can be formed into a sheet structure.
优选地,所述导电连接部2的宽度小于(如图1)或等于(如图2)所述第一电芯焊接部1的宽度及所述第一电芯焊接部1的宽度。其中,第一电芯焊接部1、导电连接部2、第二电芯焊接部3的长度和宽度可以按照实际的电芯具体尺寸做调整。Preferably, the width of the conductive connecting portion 2 is smaller than (as in FIG. 1) or equal to (as in FIG. 2) the width of the first cell core welded portion 1 and the width of the first cell core welded portion 1. The length and width of the first cell bonding portion 1, the conductive connecting portion 2, and the second cell bonding portion 3 can be adjusted according to the actual cell size.
请参考图5,使用时,两个电芯4之间可通过一个图1或图2所示的电芯连接条连接,其中,第一电芯焊接部1与一个电芯4的金属空箔7的左侧连接,第二电芯焊接部3与另一个电芯4的金属空箔7的右侧连接,从而将两个电芯4连接起来。然后,可将极耳5与电芯连接条的导电连接部2连接起来。Referring to FIG. 5, in use, the two cells 4 can be connected by a cell connecting strip shown in FIG. 1 or FIG. 2, wherein the first cell core 1 and the metal foil of the cell 4 are The left side of the seventh cell is connected, and the second cell core 3 is connected to the right side of the metal foil 7 of the other cell 4, thereby connecting the two cells 4. The tabs 5 can then be connected to the electrically conductive connection 2 of the cell connection strip.
采用上述结构的电芯连接条可以同时并联两个电芯,导电连接部2能够满足电池工作的截面电流,第一电芯焊接部1、导电连接部2的小 区域焊接可以保证后期电芯电解液浸润的顺畅性。导电连接部2是截面积相对大的线状或条状金属条,增加了灵活性,这样的设计方式方便电芯在焊接时操作,并且保证电芯组合后的平整性。The battery core strip with the above structure can simultaneously connect two batteries, and the conductive connection portion 2 can satisfy the cross-sectional current of the battery operation. The first cell core welding portion 1 and the small area welding of the conductive connection portion 2 can ensure the later battery core electrolysis. Smoothness of liquid infiltration. The conductive connecting portion 2 is a linear or strip-shaped metal strip having a relatively large cross-sectional area, which increases flexibility. This design facilitates the operation of the battery core during soldering and ensures the flatness of the battery core after assembly.
在上述技术方案中,本发明可利用一个电芯连接条将两个电芯连接起来,因而可依据所需的容量更加方便组合电芯的数量或对电芯数量进行调整,而且可使电芯之间的组合得更加平整和紧密。由于焊接的次数减少了,相对应地降低了内阻,避免了现有技术中由于焊接次数太多导致发热多造成安全隐患,组合电芯的数量相对受限的问题。In the above technical solution, the present invention can connect two battery cells by using one battery connecting bar, so that the number of cells can be more conveniently adjusted or the number of cells can be adjusted according to the required capacity, and the battery can be made. The combination between them is smoother and tighter. Since the number of times of welding is reduced, the internal resistance is correspondingly reduced, and the problem that the number of combined cells is relatively limited due to the safety hazard caused by too much heat generation due to too many welding times is avoided in the prior art.
本发明还提供了一种电池连接结构,包括上述的电芯连接条。The present invention also provides a battery connection structure comprising the above-described battery core connection strip.
优选地,所述电池连接结构包括多个依次设置的电芯4,相邻两个所述电芯4之间通过一个所述电芯连接条8连接,该一个所述电芯连接条8的第一电芯焊接部1与该相邻两个所述电芯4中的一个电芯4连接,该一个所述电芯连接条的第二电芯焊接部3与该相邻两个所述电芯4中的另一个电芯4连接。例如,在图5所示的实施例中,采用了两个电芯4,在图6和图9所示的实施例中,则采用了四个电芯4。Preferably, the battery connection structure comprises a plurality of battery cells 4 arranged in sequence, and two adjacent battery cells 4 are connected by one of the battery core connecting strips 8, the one of the battery core connecting strips 8 a first cell soldering portion 1 is connected to one of the two adjacent cells 4, and the second cell bonding portion 3 of the one of the cell connecting strips is adjacent to the two adjacent cells The other battery cell 4 in the battery cell 4 is connected. For example, in the embodiment shown in Figure 5, two cells 4 are employed, and in the embodiment shown in Figures 6 and 9, four cells 4 are employed.
优选地,该一个所述电芯连接条的第一电芯焊接部1与该相邻两个所述电芯4中的一个电芯4的金属空箔连接,该一个所述电芯连接条的第二电芯焊接部3与该相邻两个所述电芯4中的另一个电芯4的金属空箔连接。Preferably, the first cell core 1 of the one of the cell connecting strips is connected to a metal foil of one of the two adjacent cells 4, the one of the cell connecting strips The second cell core 3 is connected to the metal foil of the other of the two adjacent cells 4.
优选地,每个所述电芯4包括第一侧和第二侧,所述第一电芯焊接部1与该相邻两个所述电芯4中的一个电芯4的第一侧的金属空箔连接,所述第二电芯焊接部3与该相邻两个所述电芯4中的另一个电芯4的第二侧的金属空箔连接。Preferably, each of the cells 4 includes a first side and a second side, and the first cell core 1 and the first side of one of the two adjacent cells 4 The metal hollow foil is joined, and the second cell core 3 is connected to the metal foil of the second side of the other of the two adjacent cells 4.
优选地,该一个所述电芯连接条设置在该相邻两个所述电芯4之间。电芯连接条的端部分别与两个电芯4的相对的金属空箔7焊接,从而可以提高平整度。Preferably, the one of the cell connecting strips is disposed between the adjacent two of the cells 4. The ends of the cell connecting strips are respectively soldered to the opposite metal empty foils 7 of the two cells 4, so that the flatness can be improved.
优选地,所述电池连接结构还包括极耳5,所述极耳5与一个所述电芯连接条的导电连接部2连接。极耳5可以包括白胶6,以用于软包电池的后期封装。图3示出了一种大软包电池用的极耳5,正极一般用铝,负极用镀镍的铜,采用双层的白胶6,因此优选地,请参考图6,对软包电池来说,所述极耳5为软包极耳。Preferably, the battery connection structure further comprises a tab 5 which is connected to the electrically conductive connection 2 of one of the cell connection strips. The tab 5 can include white glue 6 for post-packaging of the soft pack battery. Fig. 3 shows a tab 5 for a large soft pack battery. The positive electrode is generally made of aluminum, the negative electrode is made of nickel-plated copper, and the double-layered white glue 6 is used. Therefore, preferably, referring to Fig. 6, the soft pack battery is used. In other words, the tab 5 is a soft pack tab.
请参考图9,对于硬包电池来说,优选地,所述极耳5采用上述的电芯连接条,且用作所述极耳5的电芯连接条的导电连接部2的宽度等于所述第一电芯焊接部1的宽度及所述第一电芯焊接部1的宽度。此时,导电连接部2具有较大的强度,可当作极耳使用。Referring to FIG. 9, for the hard-pack battery, preferably, the tab 5 adopts the above-mentioned cell connecting strip, and the width of the conductive connecting portion 2 serving as the cell connecting strip of the tab 5 is equal to The width of the first cell core welded portion 1 and the width of the first cell core welded portion 1 are described. At this time, the conductive connecting portion 2 has a large strength and can be used as a tab.
请参考图4,电芯连接条和极耳5时,极耳5的宽度方向上焊接在电芯连接条的中间,可保证电流的均匀性和不导致局部发热。Referring to FIG. 4, when the cell connecting strip and the tab 5 are connected, the width of the tab 5 is welded in the middle of the cell connecting strip to ensure uniformity of current and no local heat generation.
本发明还提供了一种电池组合,包括上述的电芯连接条,或包括上述的电池连接结构。The present invention also provides a battery assembly comprising the above-described battery core connecting strip or the battery connecting structure described above.
在电芯组合采用此结构时,两个电芯4使用同一个电芯连接条使得电子更加有效的收集起来,保证并联的每个电芯4工作时候的均匀性、平整度,较少发热量。When the cell assembly adopts this structure, the two cells 4 use the same cell connecting strip to make the electrons more efficiently collected, ensuring uniformity, flatness and less heat generation of each cell 4 in parallel. .
当然,以上是本发明的优选实施方式。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明基本原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本发明的保护范围。Of course, the above is a preferred embodiment of the invention. It should be noted that a number of modifications and refinements may be made by those skilled in the art without departing from the basic principles of the invention, and such modifications and refinements are also considered to be within the scope of the invention.

Claims (11)

  1. 一种电芯连接条,其特征在于,包括第一电芯焊接部(1)、导电连接部(2)和第二电芯焊接部(3),所述导电连接部(2)的一端与所述第一电芯焊接部(1)连接,所述导电连接部(2)的另一端与所述第二电芯焊接部(3)连接。A battery connecting strip, comprising: a first core welded portion (1), a conductive connecting portion (2) and a second core welded portion (3), one end of the conductive connecting portion (2) The first cell bonding portion (1) is connected, and the other end of the conductive connecting portion (2) is connected to the second cell bonding portion (3).
  2. 根据权利要求1所述的电芯连接条,其特征在于,所述导电连接部(2)的宽度小于或等于所述第一电芯焊接部(1)的宽度及所述第一电芯焊接部(1)的宽度。The cell connecting strip according to claim 1, wherein the width of the conductive connecting portion (2) is less than or equal to the width of the first cell core portion (1) and the first cell bonding The width of the part (1).
  3. 一种电池连接结构,其特征在于,包括权利要求1所述的电芯连接条。A battery connecting structure comprising the battery connecting strip of claim 1.
  4. 根据权利要求3所述的电池连接结构,其特征在于,所述电池连接结构包括多个依次设置的电芯(4),相邻两个所述电芯(4)之间通过一个所述电芯连接条连接,该一个所述电芯连接条的第一电芯焊接部(1)与该相邻两个所述电芯(4)中的一个电芯(4)连接,该一个所述电芯连接条的第二电芯焊接部(3)与该相邻两个所述电芯(4)中的另一个电芯(4)连接。The battery connection structure according to claim 3, wherein the battery connection structure comprises a plurality of cells (4) arranged in sequence, and one of the two adjacent cells (4) passes the electricity a core connecting strip, the first core soldering portion (1) of the one of the battery connecting strips being connected to one of the two adjacent ones of the batteries (4), the one of the The second cell solder portion (3) of the cell connecting strip is connected to the other of the two adjacent cells (4).
  5. 根据权利要求4所述的电池连接结构,其特征在于,该一个所述电芯连接条的第一电芯焊接部(1)与该相邻两个所述电芯(4)中的一个电芯(4)的金属空箔连接,该一个所述电芯连接条的第二电芯焊接部(3)与该相邻两个所述电芯(4)中的另一个电芯(4)的金属空箔连接。The battery connecting structure according to claim 4, wherein the first cell bonding portion (1) of the one of the cell connecting strips and one of the adjacent two of the cells (4) are electrically a metal hollow foil connection of the core (4), a second core soldering portion (3) of the one of the battery core strips and another one of the two adjacent battery cells (4) Metal foil connection.
  6. 根据权利要求5所述的电池连接结构,其特征在于,每个所述电芯(4)包括第一侧和第二侧,所述第一电芯焊接部(1)与该相邻两个所述电芯(4)中的一个电芯(4)的第一侧的金属空箔连接,所述第二电芯焊接部(3)与该相邻两个所述电芯(4)中的另一个电芯(4)的第二侧的金属空箔连接。The battery connecting structure according to claim 5, wherein each of said cells (4) includes a first side and a second side, said first cell core portion (1) and said adjacent two a metal hollow foil of a first side of one of the cells (4) is connected, the second cell core (3) and the adjacent two of the cells (4) The metal foil of the second side of the other cell (4) is connected.
  7. 根据权利要求5所述的电池连接结构,其特征在于,该一个所述电芯连接条设置在该相邻两个所述电芯(4)之间。The battery connecting structure according to claim 5, wherein the one of the battery connecting strips is disposed between the adjacent two of the batteries (4).
  8. 根据权利要求4所述的电池连接结构,其特征在于,所述电池连接结构还包括极耳(5),所述极耳(5)与一个所述电芯连接条的导电连接部(2)连接。The battery connecting structure according to claim 4, wherein the battery connecting structure further comprises a tab (5), and the conductive connection portion (2) of the tab (5) and one of the cell connecting strips (2) connection.
  9. 根据权利要求8所述的电池连接结构,其特征在于,所述极耳 (5)为软包极耳。The battery connecting structure according to claim 8, wherein said tab (5) is a soft pack tab.
  10. 根据权利要求8所述的电池连接结构,其特征在于,所述极耳(5)采用权利要求1所述的电芯连接条,且用作所述极耳(5)的电芯连接条的导电连接部(2)的宽度等于所述第一电芯焊接部(1)的宽度及所述第一电芯焊接部(1)的宽度。The battery connecting structure according to claim 8, characterized in that the tab (5) employs the cell connecting strip of claim 1 and functions as a cell connecting strip of the tab (5) The width of the conductive connection portion (2) is equal to the width of the first cell core welded portion (1) and the width of the first cell core welded portion (1).
  11. 一种电池组合,其特征在于,包括权利要求1或2所述的电芯连接条,或包括权利要求3至10中任选一项所述的电池连接结构。A battery assembly comprising the battery connecting strip of claim 1 or 2, or the battery connecting structure according to any one of claims 3 to 10.
PCT/CN2018/096638 2017-07-24 2018-07-23 Battery cell connecting strip, battery connection structure and battery combination WO2019019967A1 (en)

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CN107394093B (en) * 2017-07-24 2021-03-12 珠海格力电器股份有限公司 Battery core connecting strip, battery connecting structure and battery combination
CN113675543A (en) * 2021-08-09 2021-11-19 东莞新能安科技有限公司 Battery cell, battery pack and electric equipment

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