WO2020052590A1 - 电池模组 - Google Patents

电池模组 Download PDF

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Publication number
WO2020052590A1
WO2020052590A1 PCT/CN2019/105370 CN2019105370W WO2020052590A1 WO 2020052590 A1 WO2020052590 A1 WO 2020052590A1 CN 2019105370 W CN2019105370 W CN 2019105370W WO 2020052590 A1 WO2020052590 A1 WO 2020052590A1
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WO
WIPO (PCT)
Prior art keywords
battery
sequence
electrode terminal
output
battery module
Prior art date
Application number
PCT/CN2019/105370
Other languages
English (en)
French (fr)
Inventor
高汉卿
胡晓玮
陈传炼
姚己华
Original Assignee
宁德时代新能源科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to EP19859985.4A priority Critical patent/EP3780153B1/en
Publication of WO2020052590A1 publication Critical patent/WO2020052590A1/zh
Priority to US17/127,585 priority patent/US11799174B2/en

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Classifications

    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • 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

Definitions

  • the invention relates to the field of batteries, and in particular to a battery module.
  • Existing battery modules usually include multiple batteries, which are arranged in a row and connected together; and because the multiple batteries are arranged in a row, the positive and negative output electrodes of the battery module are usually in the battery module Both ends along the alignment direction.
  • Commonly used battery packs include multiple battery modules, and the multiple battery modules are connected through positive and negative output poles; if the positive and negative output poles are arranged at both ends of the battery module along the arrangement direction, it will be disadvantageous to the battery module. The connection between them leads to a complicated connection structure and affects the energy density of the battery pack.
  • an object of the present invention is to provide a battery module, which can realize the same-side output of the battery module and simplify the structure of the battery module.
  • the present invention provides a battery module including a first battery sequence, a second battery sequence, a first output pole member, a second output pole member, and a bus assembly.
  • the first battery sequence includes a plurality of first batteries arranged in a longitudinal direction
  • the second battery sequence includes a plurality of second batteries arranged in a longitudinal direction
  • the first battery sequence and the second battery sequence are arranged in a lateral direction.
  • the first battery includes a first electrode terminal
  • the second battery includes a second electrode terminal.
  • the bus assembly includes a first bus member, a second bus member, and a third bus member, the first bus member is connected to the first electrode terminal, the second bus member is connected to the second electrode terminal, and the third bus member is connected to the first electrode terminal and Second electrode terminal.
  • the first output electrode member is connected to the first electrode terminal of the first battery, the second output electrode member is connected to the second electrode terminal of the second battery, the first battery connected to the first output electrode member and the second output electrode member
  • the connected second battery is located at the same end of the battery module in the longitudinal direction.
  • the first output electrode member extends to the outer side of the first battery sequence in the longitudinal direction
  • the second output electrode member extends to the outer side of the second battery sequence in the longitudinal direction
  • the first electrode terminal of the first battery and the second electrode terminal of the second battery are disposed opposite to each other in the lateral direction; the bus assembly is disposed between the first battery sequence and the second battery sequence.
  • the battery module further includes a separator provided between the first battery sequence and the second battery sequence.
  • the separator separates the first and second bus members, and separates the first and second output electrode members. open.
  • the partition is provided with a limiting groove, and the first output pole member, the second output pole member, and the bus assembly are all at least partially housed in the limiting groove.
  • the third bus member includes a first portion, a second portion, and a third portion.
  • the first portion is connected to the first battery
  • the second portion is connected to the second battery
  • the third portion is bent with respect to the first portion and the second portion
  • the part connects the first part and the second part.
  • the third bus member is a U-shaped integral member; or, the first and third portions are L-shaped integral members, and the third portion is connected to the second portion; or, the third portion includes the first connection area and the second portion In the connection area, the first part and the first connection area are L-shaped integral members, the second part and the second connection area are L-shaped integral members, and the first connection area is connected to the second connection area.
  • the partition partitions the first portion from the second portion, and the third portion is located outside the partition in the longitudinal direction.
  • the first output pole member and the second output pole member are flush.
  • the first electrode terminal is disposed on the upper side of the first battery in the height direction
  • the second electrode terminal is disposed on the upper side of the second battery in the height direction.
  • the battery module further includes the first battery. The separator between the sequence and the second battery sequence.
  • the beneficial effects of the present invention are as follows: By arranging the batteries in two rows in this application, both the capacity of the battery module can be increased, and the first output electrode member and the second output electrode member can be arranged at the same end of the battery module in the longitudinal direction To achieve the same-side output of the battery modules, simplifying the connection structure between the battery modules.
  • FIG. 1 is a schematic diagram of a first embodiment of a battery module according to the present invention.
  • FIG. 2 is a schematic diagram of a second embodiment of a battery module according to the present invention.
  • FIG. 3 is a schematic diagram of a third embodiment of a battery module according to the present invention.
  • FIG. 4 is an exploded view of the battery module of FIG. 3.
  • FIG. 5 is a schematic diagram of a first battery sequence of the battery module of FIG. 3.
  • FIG. 6 is a schematic diagram of a second battery sequence of the battery module of FIG. 3.
  • FIG. 7 is a connection diagram of a first battery, a second battery, and a third bus member.
  • a battery module in a first embodiment, includes a first battery sequence 1, a second battery sequence 2, a first output pole member 3, a second output pole member 4, a bus assembly 5, an end plate 7, and a side Plate 8.
  • the first battery sequence 1 includes a plurality of first batteries 11 arranged in a longitudinal direction Y
  • the second battery sequence 2 includes a plurality of second batteries 21 arranged in a longitudinal direction Y
  • the first battery sequence 1 and the second battery sequence 2 are arranged in a lateral direction X Layout.
  • the first battery 11 and the second battery 21 may be rectangular lithium-ion batteries.
  • the first battery 11 includes two first electrode terminals 111, that is, a first positive terminal 1111 and a first negative terminal 1112;
  • the second battery 21 includes two second electrode terminals 211, that is, a second positive terminal 2111 and a second negative terminal 2112.
  • the two end plates 7 and the two side plates 8 are connected to each other and form a frame, and the first battery sequence 1 and the second battery sequence 2 are housed and fixed in the frame.
  • the bus assembly 5 includes a first bus member 51, a second bus member 52, and a third bus member 53.
  • the first bus member 51 is connected to the first electrode terminal 111
  • the second bus member 52 is connected to the second electrode terminal 211
  • the third The bus member 53 connects the first electrode terminal 111 and the second electrode terminal 211.
  • first busing members 51 there may be a plurality of first busing members 51.
  • One first busing member 51 may connect the first positive terminal 1111 of one first battery 11 and the first negative terminal 1112 of the other first battery 11 to connect the two first batteries 11 in series; of course, it may Alternatively, one first busing member 51 may also be connected to the first positive terminals 1111 of the two first batteries 11 at the same time, thereby connecting the two first batteries 11 in parallel.
  • the plurality of first bus members 51 connect the plurality of first batteries 11 in series (and / or parallel) together through connection with the first electrode terminal 111.
  • the plurality of second batteries 21 connect the second batteries 21 in series (and / or in parallel) together through connection with the second electrode terminal 211.
  • the third bus member 53 connects the first electrode terminal 111 and the second electrode terminal 211, thereby electrically connecting the first battery sequence 1 and the second battery sequence 2.
  • the first, second, and third bus members 51, 52, and 53 combine the currents of the plurality of first batteries 11 and the plurality of second batteries 21 together.
  • the first output electrode member 3 is connected to the first electrode terminal 111 of the first battery 11, the second output electrode member 4 is connected to the second electrode terminal 211 of the second battery 21, and the first battery connected to the first output electrode member 3 11 and the second battery 21 connected to the second output electrode member 4 are located at the same end of the battery module in the longitudinal direction Y.
  • the polarity of the first electrode terminal 111 connected to the first output electrode member 3 and the polarity of the second electrode terminal 211 connected to the second output electrode member 4 are opposite.
  • the first output pole member 3 and the second output pole member 4 are used to realize charging and discharging of the battery module.
  • the capacity of the battery module can be increased, and the first output pole member 3 and the second output pole member 4 can be arranged.
  • the same side output of the battery module is realized, and the connection structure between the battery modules is simplified.
  • the first output electrode member 3 extends to the outside of the first battery sequence 1 in the longitudinal direction Y so as to be connected to other components (for example, another battery module).
  • the second output electrode member 4 extends to the second battery.
  • the sequence 2 is along the outer side of the longitudinal Y to facilitate connection with other components (such as another battery module).
  • the two first electrode terminals 111 are located on the same side of the first battery 11.
  • the two first electrode terminals 111 are both disposed on the upper side of the first battery 11 in the height direction Z.
  • both the second electrode terminals 211 are provided on the upper side of the second battery 21 in the height direction Z.
  • the battery module further includes a wiring harness plate disposed on the upper side of the first battery sequence 1 and the second battery sequence 2, and the bus assembly 5 is fixed on the lower side of the wiring plate.
  • the wiring harness board can collect information (for example, voltage, current, etc.) of each battery through the first busbar member 51, the second busbar member 52, and the third busbar member 53.
  • the battery module further includes a separator 6 disposed between the first battery sequence 1 and the second battery sequence 2.
  • the two ends of the partition plate 6 in the longitudinal direction Y are respectively fixed to the end plates 7.
  • the first battery 11 and the second battery 21 will swell, and the connection between the end plate 7 and the side plate 8 may fail due to the expansion force; and by providing the partition plate 6, it is possible to Improve the anti-swelling ability of the battery module and prevent the battery module from failing.
  • the battery module may further include a bottom plate and an upper cover (not shown).
  • the upper cover is fixed to the upper side of the harness plate to protect the harness plate and the bus assembly 5.
  • the bottom plate is disposed under the first battery sequence 1 and the second battery sequence 2. Lateral and fixed to the end plate 7.
  • the second embodiment of the present application is substantially the same as the first embodiment, and the difference lies in the bus assembly 5.
  • the first busing member 51 can simultaneously connect the first positive terminals 1111 of two (or more) first batteries 11 and the first negative terminals 1112 of two (or more) first batteries 11 to connect the first positive terminals 1112 of the first batteries 11.
  • the four first batteries 11 are connected in series and parallel. The same applies to the second and third bussing members 52 and 53.
  • the first battery 11 connected to the first output electrode member 3 and the second battery 21 connected to the second output electrode member 4 may be plural.
  • a battery module in a third embodiment, includes a first battery sequence 1, a second battery sequence 2, a first output pole member 3, a second output pole member 4, a bus assembly 5, and an end plate. 7 (not shown) and side plates 8 (not shown).
  • the first battery sequence 1 includes a plurality of first batteries 11 arranged in a longitudinal direction Y
  • the second battery sequence 2 includes a plurality of second batteries 21 arranged in a longitudinal direction Y
  • the first battery sequence 1 and the second battery sequence 2 are arranged in a lateral direction X Layout.
  • the first battery 11 includes two first electrode terminals 111, that is, a first positive terminal 1111 and a first negative terminal 1112;
  • the second battery 21 includes two second electrode terminals 211, that is, a second positive terminal 2111 and a second negative terminal 2112.
  • the two end plates 7 and the two side plates 8 are connected to each other and form a frame, and the first battery sequence 1 and the second battery sequence 2 are housed and fixed in the frame.
  • the bus assembly 5 includes a first bus member 51, a second bus member 52, and a third bus member 53.
  • the first bus member 51 is connected to the first electrode terminal 111 and the second bus member 52 is connected to the first bus terminal 51.
  • the two-electrode terminal 211 and the third busbar member 53 connect the first electrode terminal 111 and the second electrode terminal 211.
  • the first output electrode member 3 is connected to the first electrode terminal 111 of the first battery 11, the second output electrode member 4 is connected to the second electrode terminal 211 of the second battery 21, and the first battery connected to the first output electrode member 3 11 and the second battery 21 connected to the second output electrode member 4 are located at the same end of the battery module in the longitudinal direction Y.
  • the polarity of the first electrode terminal 111 connected to the first output electrode member 3 and the polarity of the second electrode terminal 211 connected to the second output electrode member 4 are opposite.
  • the first output pole member 3 and the second output pole member 4 are used to realize charging and discharging of the battery module.
  • the first output electrode member 3 extends to the outside of the first battery sequence 1 in the longitudinal direction Y so as to be connected to other external components; the second output electrode member 4 extends to the outside of the second battery sequence 2 in the longitudinal direction Y. To facilitate connection with other external components.
  • the first electrode terminal 111 of the first battery 11 and the second electrode terminal 211 of the second battery 21 are opposite to each other. That is, in the lateral direction X, the two first electrode terminals 11 are located on the side of the first battery 11 near the second battery 21, and the two second electrode terminals 211 are located on the second battery 21 near the first battery. 11 side.
  • the bus assembly 5 is disposed between the first battery sequence 1 and the second battery sequence 2, and since the first electrode terminal 111 and the second electrode terminal 211 are arranged in the lateral X direction, the first bus member 51 and the second bus member 52 Will overlap in the transverse direction X, and the first output pole member 3 and the second output pole member 4 will also overlap in the transverse direction X.
  • the battery module further includes a separator 6 disposed between the first battery sequence 1 and the second battery sequence 2.
  • the separator 6 separates the first bus member 51 and the second bus member 52 to avoid the first bus member 51. It is in contact with the second bus member 52 to prevent short circuit; the partition plate 6 also separates the first output pole member 3 and the second output pole member 4 to prevent the first output pole member 3 and the second output pole member 4 from contacting and preventing Short circuit.
  • the partition 6 is provided with a limiting groove 61, and the first output pole member 3, the second output pole member 4, and the bus assembly 5 are all at least partially accommodated in the limiting groove 61.
  • the limiting slot 61 has a positioning function, and is helpful for assembling the partition plate 6, the first output pole member 3, the second output pole member 4, and the bus assembly 5. By opening the limiting groove 61, the partition plate 6 can also support the first output pole member 3, the second output pole member 4, and the bus assembly 5.
  • the separator 6 may be an insulated wire harness plate, and the wire harness plate can collect information (for example, voltage, current, etc.) of each battery through the first busbar member 51, the second busbar member 52, and the third busbar member 53.
  • the battery module may further include a bottom plate and an upper cover (not shown).
  • the upper cover is disposed on the upper side of the first battery sequence 1 and the second battery sequence 2 and is fixed to the end plate 7.
  • the bottom plate is disposed on the first battery sequence 1 and The lower side of the second battery sequence 2 is fixed to the end plate 7.
  • the upper cover is usually fixed to the wiring harness plate to protect the wiring harness plate, so the upper cover usually cannot fix the first battery sequence 1 and the second battery sequence 2 from the upper side; while in the third embodiment, the partition 6 is clamped between the first battery sequence 1 and the second battery sequence 2, the upper cover does not need to protect the wiring harness plate, so the upper cover can be directly connected to the end plate 7 and the first battery sequence 1 and the second battery sequence are fixed from the upper side 2, thereby improving the overall strength of the battery module.
  • the third busbar member 53 is generally a bent structure.
  • the third bus member 53 includes a first portion 531, a second portion 532, and a third portion 533.
  • the first portion 531 is connected to the first battery 11
  • the second portion 532 is connected to the second battery 21, and the third portion 533 is opposite.
  • the first portion 531 and the second portion 532 are bent, and the third portion 533 is connected to the first portion 531 and the second portion 532.
  • the third busbar member 53 is preferably a U-shaped one-piece member, wherein the first portion 531 and the second portion 532 are flat, and the third portion 533 is curled.
  • the first portion 531 and the third portion 533 are L-shaped integral members, and the third portion 533 is connected to the second portion 532.
  • the first portion 531 can be welded to the first electrode terminal 111
  • the second portion 532 can be welded to the second electrode terminal 211, and then the boundary between the third portion 533 and the second portion 532 is contacted. Welding.
  • the third portion 533 includes a first connection region 5331 and a second connection region 5332, the first portion 531 and the first connection region 5331 are L-shaped integral members, and the second portion 532 and the second connection The region 5332 is an L-shaped integral component, and the first connection region 5331 is connected to the second connection region 5332.
  • the partition 6 separates the first portion 531 and the second portion 532, and the third portion 533 is located outside the partition 6 in the longitudinal direction Y.
  • the partition plate 6 can reduce the vibration of the first portion 531 and the second portion 532 in the lateral direction X.
  • the first output pole member 3 and the second output pole member 4 are flush, which can further simplify the connection structure between the two battery modules.

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

Abstract

本发明提供了一种电池模组，其包括第一电池序列、第二电池序列、第一输出极构件、第二输出极构件及汇流组件。第一电池序列包括沿纵向排列的多个第一电池，第二电池序列包括沿纵向排列的多个第二电池，第一电池序列和第二电池序列沿横向布置。第一电池包括第一电极端子，第二电池包括第二电极端子。汇流组件包括第一汇流构件、第二汇流构件和第三汇流构件，第一汇流构件连接于第一电极端子，第二汇流构件连接于第二电极端子，第三汇流构件连接第一电极端子和第二电极端子。第一输出极构件连接于第一电极端子，第二输出极构件连接于第二电极端子，与第一输出极构件相连的第一电池和与第二输出极构件相连的第二电池位于电池模组的同一端。

Description

电池模组 技术领域
本发明涉及电池领域，尤其涉及一种电池模组。
背景技术
现有的电池模组通常包括多个电池，所述多个电池排成一列并连接在一起；而由于所述多个电池排成一列，所以电池模组的正负输出极通常在电池模组沿排列方向的两端。常用的电池包包括多个电池模组，所述多个电池模组通过正负输出极连接；而如果正负输出极设置在电池模组沿排列方向的两端，会不利于电池模组之间的连接，导致连接结构复杂，影响电池包的能量密度。
发明内容
鉴于背景技术中存在的问题，本发明的目的在于提供一种电池模组，其能实现电池模组的同侧输出，简化电池模组的结构。
为了实现上述目的，本发明提供了一种电池模组，其包括第一电池序列、第二电池序列、第一输出极构件、第二输出极构件以及汇流组件。第一电池序列包括沿纵向排列的多个第一电池，第二电池序列包括沿纵向排列的多个第二电池，第一电池序列和第二电池序列沿横向布置。第一电池包括第一电极端子，第二电池包括第二电极端子。
汇流组件包括第一汇流构件、第二汇流构件和第三汇流构件，第一汇流构件连接于第一电极端子，第二汇流构件连接于第二电极端子，第三汇流构件连接第一电极端子和第二电极端子。第一输出极构件连接于第一电池的第一电极端子，第二输出极构件连接于第二电池的第二电极端子，与第一输出极构件相连的第一电池和与第二输出极构件相连的第二电池位于电池模组沿纵向的同一端。
所述第一输出极构件延伸到第一电池序列沿纵向的外侧，第二输出极构 件延伸到第二电池序列沿纵向的外侧。
在一实施例中，沿横向，第一电池的第一电极端子和第二电池的第二电极端子相向设置；汇流组件设置于第一电池序列和第二电池序列之间。
电池模组还包括设置于第一电池序列和第二电池序列之间的隔板，隔板将第一汇流构件和第二汇流构件隔开、将第一输出极构件和第二输出极构件隔开。隔板设有限位槽，且第一输出极构件、第二输出极构件、汇流组件均至少部分收容于限位槽。
第三汇流构件包括第一部分、第二部分和第三部分，第一部分连接于第一电池，第二部分连接于第二电池，第三部分相对于第一部分和第二部分弯折，且第三部分连接第一部分和第二部分。
第三汇流构件为U形的一体式构件；或者，第一部分和第三部分为L形的一体式构件，第三部分连接于第二部分；或者，第三部分包括第一连接区和第二连接区，第一部分和第一连接区为L形的一体式构件，第二部分和第二连接区为L形的一体式构件，第一连接区连接于第二连接区。
隔板将第一部分和第二部分隔开，第三部分位于隔板沿纵向的外侧。
沿高度方向，第一输出极构件和第二输出极构件齐平。
在另一实施例中，第一电极端子设置于第一电池沿高度方向的上侧，第二电极端子设置于第二电池的沿高度方向的上侧；电池模组还包括设置于第一电池序列和第二电池序列之间的隔板。
本发明的有益效果如下：本申请通过将电池排成两列，既可以提高电池模组的容量，还能够将第一输出极构件和第二输出极构件设置到电池模组沿纵向的同一端，实现电池模组的同侧输出，简化电池模组之间的连接结构。
附图说明
图1为根据本发明的电池模组的第一实施例的示意图。
图2为根据本发明的电池模组的第二实施例的示意图。
图3为根据本发明的电池模组的第三实施例的示意图。
图4为图3的电池模组的分解图。
图5为图3的电池模组的第一电池序列的示意图。
图6为图3的电池模组的第二电池序列的示意图。
图7为第一电池、第二电池及第三汇流构件的连接示意图。
图8至图10为第三汇流构件的不同实施例的示意图。
其中，附图标记说明如下：
1第一电池序列           52第二汇流构件
  11第一电池            53第三汇流构件
    111第一电极端子       531第一部分
      1111第一正极端子    532第二部分
      1112第一负极端子    533第三部分
2第二电池序列               5331第一连接区
  21第二电池                5332第二连接区
    211第二电极端子    6隔板
      2111第二正极端子  61限位槽
      2112第二负极端子 7端板
3第一输出极构件        8侧板
4第二输出极构件        X横向
5汇流组件              Y纵向
  51第一汇流构件       Z高度方向
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
在本申请的描述中，除非另有明确的规定和限定，术语“第一”、“第二”、“第三”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“多个”是指两个或两个以上；除非另有规定或说明，术语“连接”、“固定”等均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接，或电连接；“连接”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
本说明书的描述中，需要理解的是，本申请实施例所描述的“上”、“下” 等方位词是以附图所示的角度来进行描述的，不应理解为对本申请实施例的限定。此外，在上下文中，还需要理解的是，当提到一个元件连接在另一个元件“上”或者“下”时，其不仅能够直接连接在另一个元件“上”或者“下”，也可以通过中间元件间接连接在另一个元件“上”或者“下”。下面通过具体的实施例并结合附图对本申请做进一步的详细描述。
参照图1，在第一实施例中，电池模组包括第一电池序列1、第二电池序列2、第一输出极构件3、第二输出极构件4、汇流组件5、端板7和侧板8。
第一电池序列1包括沿纵向Y排列的多个第一电池11，第二电池序列2包括沿纵向Y排列的多个第二电池21，第一电池序列1和第二电池序列2沿横向X布置。第一电池11和第二电池21可为方形的锂离子电池。
第一电池11包括两个第一电极端子111，即第一正极端子1111和第一负极端子1112；第二电池21包括两个第二电极端子211，即第二正极端子2111和第二负极端子2112。
两个端板7和两个侧板8相互连接并形成框体，第一电池序列1和第二电池序列2收容并固定于所述框体内。
汇流组件5包括第一汇流构件51、第二汇流构件52和第三汇流构件53，第一汇流构件51连接于第一电极端子111，第二汇流构件52连接于第二电极端子211，第三汇流构件53连接第一电极端子111和第二电极端子211。
具体地，第一汇流构件51可为多个。一个第一汇流构件51可连接一个第一电池11的第一正极端子1111和另一个第一电池11的第一负极端子1112，从而将所述两个第一电池11串联在一起；当然，可替代地，一个第一汇流构件51也可同时连接两个第一电池11的第一正极端子1111，从而将所述两个第一电池11并联在一起。所述多个第一汇流构件51通过与第一电极端子111的连接，将所述多个第一电池11串联(和/或并联)在一起。
同样的，第二汇流构件52可为多个，且第二汇流构件52通过与第二电极端子211的连接，将所述多个第二电池21串联(和/或并联)在一起。
第三汇流构件53连接第一电极端子111和第二电极端子211，从而将第一电池序列1和第二电池序列2电连接。第一汇流构件51、第二汇流构件52和第三汇流构件53将所述多个第一电池11和多个第二电池21的电流汇 集在一起。
第一输出极构件3连接于第一电池11的第一电极端子111，第二输出极构件4连接于第二电池21的第二电极端子211，与第一输出极构件3相连的第一电池11和与第二输出极构件4相连的第二电池21位于电池模组沿纵向Y的同一端。与第一输出极构件3相连的第一电极端子111的极性和与第二输出极构件4相连的第二电极端子211的极性相反。第一输出极构件3和第二输出极构件4用于实现电池模组的充放电。
本申请通过将电池排成两列(即第一电池序列1和第二电池序列2)，既可以提高电池模组的容量，还能够将第一输出极构件3和第二输出极构件4设置到电池模组沿纵向Y的同一端，实现电池模组的同侧输出，简化电池模组之间的连接结构。
所述第一输出极构件3延伸到第一电池序列1沿纵向Y的外侧，以便于与其它构件(例如另一个电池模组)连接；同样地，第二输出极构件4延伸到第二电池序列2沿纵向Y的外侧，以便于与其它构件(例如另一个电池模组)连接。
两个第一电极端子111位于第一电池11的同一侧，例如，所述两个第一电极端子111均设置于第一电池11沿高度方向Z的上侧。同样地，两个第二电极端子211均设置于第二电池21的沿高度方向Z的上侧。
电池模组还包括设置于第一电池序列1和第二电池序列2上侧的线束板，汇流组件5固定于线束板的下侧。线束板能够通过第一汇流构件51、第二汇流构件52和第三汇流构件53采集各个电池的信息(例如电压、电流等)。
电池模组还包括设置于第一电池序列1和第二电池序列2之间的隔板6。隔板6沿纵向Y的两端分别固定于端板7。在电池模组的工作过程中，第一电池11和第二电池21会出现膨胀，在膨胀力的作用下可能会导致端板7和侧板8的连接失效；而通过设置隔板6，可以提高电池模组的抗膨胀能力，防止电池模组失效。
电池模组还可包括底板和上盖(未示出)，上盖固定于线束板的上侧以保护线束板和汇流组件5，底板设置于第一电池序列1和第二电池序列2的下侧并固定于端板7。
参照图2，本申请的第二实施例与第一实施例大体相同，其区别在于汇流组件5。
第一汇流构件51可同时连接两个(或两个以上)第一电池11的第一正极端子1111以及两个(或两个以上)第一电池11的第一负极端子1112，从而将所述四个第一电池11串并联在一起。第二汇流构件52和第三汇流构件53亦是如此。
在本实施例中，与第一输出极构件3相连的第一电池11及与第二输出极构件4相连的第二电池21也可为多个。
参照图3至图10，在第三实施例中，电池模组包括第一电池序列1、第二电池序列2、第一输出极构件3、第二输出极构件4、汇流组件5、端板7(未示出)和侧板8(未示出)。第一电池序列1包括沿纵向Y排列的多个第一电池11，第二电池序列2包括沿纵向Y排列的多个第二电池21，第一电池序列1和第二电池序列2沿横向X布置。
第一电池11包括两个第一电极端子111，即第一正极端子1111和第一负极端子1112；第二电池21包括两个第二电极端子211，即第二正极端子2111和第二负极端子2112。两个端板7和两个侧板8相互连接并形成框体，第一电池序列1和第二电池序列2收容并固定于所述框体内。
参照图5至图7，汇流组件5包括第一汇流构件51、第二汇流构件52和第三汇流构件53，第一汇流构件51连接于第一电极端子111，第二汇流构件52连接于第二电极端子211，第三汇流构件53连接第一电极端子111和第二电极端子211。
第一输出极构件3连接于第一电池11的第一电极端子111，第二输出极构件4连接于第二电池21的第二电极端子211，与第一输出极构件3相连的第一电池11和与第二输出极构件4相连的第二电池21位于电池模组沿纵向Y的同一端。与第一输出极构件3相连的第一电极端子111的极性和与第二输出极构件4相连的第二电极端子211的极性相反。第一输出极构件3和第二输出极构件4用于实现电池模组的充放电。
参照图3，第一输出极构件3延伸到第一电池序列1沿纵向Y的外侧，以便于与外部的其它构件连接；第二输出极构件4延伸到第二电池序列2沿 纵向Y的外侧，以便于与外部的其它构件连接。
参照图4，沿横向X，第一电池11的第一电极端子111和第二电池21的第二电极端子211相向设置。也就是说，在横向X上，两个第一电极端子11均位于第一电池11的靠近第二电池21的一侧，两个第二电极端子211均位于第二电池21的靠近第一电池11的一侧。
汇流组件5设置于第一电池序列1和第二电池序列2之间，而由于第一电极端子111和第二电极端子211沿横向X相向设置，所以第一汇流构件51和第二汇流构件52会沿横向X重叠，第一输出极构件3和第二输出极构件4也会沿横向X重叠。
电池模组还包括设置于第一电池序列1和第二电池序列2之间的隔板6，隔板6将第一汇流构件51和第二汇流构件52隔开，以避免第一汇流构件51和第二汇流构件52接触、防止短路；隔板6还将第一输出极构件3和第二输出极构件4隔开，以避免第一输出极构件3和第二输出极构件4接触、防止短路。
隔板6设有限位槽61，且第一输出极构件3、第二输出极构件4、汇流组件5均至少部分收容于限位槽61。限位槽61具有定位作用，有助于隔板6、第一输出极构件3、第二输出极构件4及汇流组件5的装配。通过开设限位槽61，隔板6还能够支撑第一输出极构件3、第二输出极构件4及汇流组件5。
在本实施例中，隔板6可为绝缘的线束板，线束板能够通过第一汇流构件51、第二汇流构件52和第三汇流构件53采集各个电池的信息(例如电压、电流等)。
电池模组还可包括底板和上盖(未示出)，上盖设置于第一电池序列1和第二电池序列2的上侧并固定于端板7，底板设置于第一电池序列1和第二电池序列2的下侧并固定于端板7。
在第一实施例中，上盖通常固定于线束板以保护线束板，所以上盖通常不能从上侧固定第一电池序列1和第二电池序列2；而在第三实施例中，隔板6夹持于第一电池序列1和第二电池序列2之间，上盖无需保护线束板，因此上盖可以直接与端板7相连并从上侧固定第一电池序列1和第二电池序列2，从而提高电池模组的整体强度。
参照图7，由于第一电极端子111和第二电极端子211沿横向X相向设置，所以为了连接第一电极端子111和第二电极端子211，第三汇流构件53通常为弯折结构。
参照图8，第三汇流构件53包括第一部分531、第二部分532和第三部分533，第一部分531连接于第一电池11，第二部分532连接于第二电池21，第三部分533相对于第一部分531和第二部分532弯折，且第三部分533连接第一部分531和第二部分532。
优选地，第三汇流构件53优选为U形的一体式构件，其中，第一部分531和第二部分532为平板状，第三部分533为卷曲状。
可替代地，参照图9，第一部分531和第三部分533为L形的一体式构件，第三部分533连接于第二部分532。具体地，在装配时，可先将第一部分531焊接于第一电极端子111，将第二部分532焊接到第二电极端子211，然后再沿着第三部分533和第二部分532接触的边界进行焊接。
可替代地，参照图10，第三部分533包括第一连接区5331和第二连接区5332，第一部分531和第一连接区5331为L形的一体式构件，第二部分532和第二连接区5332为L形的一体式构件，第一连接区5331连接于第二连接区5332。
隔板6将第一部分531和第二部分532隔开，第三部分533位于隔板6沿纵向Y的外侧。隔板6可以降低第一部分531和第二部分532沿横向X的振动。
沿高度方向Z，第一输出极构件3和第二输出极构件4齐平，这样可以进一步简化两个电池模组之间的连接结构。

Claims (10)

  1. 一种电池模组，包括第一电池序列(1)、第二电池序列(2)、第一输出极构件(3)、第二输出极构件(4)以及汇流组件(5)；
    第一电池序列(1)包括沿纵向(Y)排列的多个第一电池(11)，第二电池序列(2)包括沿纵向(Y)排列的多个第二电池(21)，第一电池序列(1)和第二电池序列(2)沿横向(X)布置；
    第一电池(11)包括第一电极端子(111)，第二电池(21)包括第二电极端子(211)；
    汇流组件(5)包括第一汇流构件(51)、第二汇流构件(52)和第三汇流构件(53)，第一汇流构件(51)连接于第一电极端子(111)，第二汇流构件(52)连接于第二电极端子(211)，第三汇流构件(53)连接第一电极端子(111)和第二电极端子(211)；
    第一输出极构件(3)连接于第一电池(11)的第一电极端子(111)，第二输出极构件(4)连接于第二电池(21)的第二电极端子(211)，与第一输出极构件(3)相连的第一电池(11)和与第二输出极构件(4)相连的第二电池(21)位于电池模组沿纵向(Y)的同一端。
  2. 根据权利要求1所述的电池模组，其特征在于，所述第一输出极构件(3)延伸到第一电池序列(1)沿纵向(Y)的外侧，第二输出极构件(4)延伸到第二电池序列(2)沿纵向(Y)的外侧。
  3. 根据权利要求1所述的电池模组，其特征在于，
    沿横向(X)，第一电池(11)的第一电极端子(111)和第二电池(21)的第二电极端子(211)相向设置；
    汇流组件(5)设置于第一电池序列(1)和第二电池序列(2)之间。
  4. 根据权利要求3所述的电池模组，其特征在于，电池模组还包括设置于第一电池序列(1)和第二电池序列(2)之间的隔板(6)，隔板(6)将第一汇流构件(51)和第二汇流构件(52)隔开、将第一输出极构件(3) 和第二输出极构件(4)隔开。
  5. 根据权利要求4所述的电池模组，其特征在于，隔板(6)设有限位槽(61)，且第一输出极构件(3)、第二输出极构件(4)、汇流组件(5)均至少部分收容于限位槽(61)。
  6. 根据权利要求4所述的电池模组，其特征在于，第三汇流构件(53)包括第一部分(531)、第二部分(532)和第三部分(533)，第一部分(531)连接于第一电池(11)，第二部分(532)连接于第二电池(21)，第三部分(533)相对于第一部分(531)和第二部分(532)弯折，且第三部分(533)连接第一部分(531)和第二部分(532)。
  7. 根据权利要求6所述的电池模组，其特征在于，
    第三汇流构件(53)为U形的一体式构件；或者
    第一部分(531)和第三部分(533)为L形的一体式构件，第三部分(533)连接于第二部分(532)；或者
    第三部分(533)包括第一连接区(5331)和第二连接区(5332)，第一部分(531)和第一连接区(5331)为L形的一体式构件，第二部分(532)和第二连接区(5332)为L形的一体式构件，第一连接区(5331)连接于第二连接区(5332)。
  8. 根据权利要求6所述的电池模组，其特征在于，隔板(6)将第一部分(531)和第二部分(532)隔开，第三部分(533)位于隔板(6)沿纵向(Y)的外侧。
  9. 根据权利要求3所述的电池模组，其特征在于，沿高度方向(Z)，第一输出极构件(3)和第二输出极构件(4)齐平。
  10. 根据权利要求1所述的电池模组，其特征在于，
    第一电极端子(111)设置于第一电池(11)沿高度方向(Z)的上侧， 第二电极端子(211)设置于第二电池(21)的沿高度方向(Z)的上侧；
    电池模组还包括设置于第一电池序列(1)和第二电池序列(2)之间的隔板(6)。
PCT/CN2019/105370 2018-09-14 2019-09-11 电池模组 WO2020052590A1 (zh)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208819967U (zh) 2018-09-14 2019-05-03 宁德时代新能源科技股份有限公司 电池模组
CN113381098A (zh) * 2020-02-21 2021-09-10 比亚迪股份有限公司 电池序列、电池包及电动车
CN213752852U (zh) * 2020-11-10 2021-07-20 江苏塔菲尔动力系统有限公司 一种基于电池分组和组间缓冲连接的电池模组
WO2024031418A1 (zh) * 2022-08-10 2024-02-15 宁德时代新能源科技股份有限公司 电池、用电装置以及电池的成型方法
WO2024065785A1 (zh) * 2022-09-30 2024-04-04 宁德时代新能源科技股份有限公司 电池及用电装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201682022U (zh) * 2010-05-20 2010-12-22 江苏双登集团有限公司 12v铅酸蓄电池单体排列结构
CN101944582A (zh) * 2010-09-10 2011-01-12 鸥瑞智诺能源科技(北京)有限公司 一种新型的成组电池连接方式
JP2012243597A (ja) * 2011-05-20 2012-12-10 Hitachi Vehicle Energy Ltd 組電池及び角形電池
CN208819967U (zh) * 2018-09-14 2019-05-03 宁德时代新能源科技股份有限公司 电池模组

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6205808B2 (ja) * 2013-04-08 2017-10-04 株式会社Ｇｓユアサ 蓄電素子モジュール
DE102013213527A1 (de) * 2013-07-10 2015-01-15 Robert Bosch Gmbh Elektrischer Zellverbinder für ein Batteriemodul
US9634445B1 (en) * 2016-06-15 2017-04-25 Delphi Technologies, Inc. Electrical bus bar connector system
KR102393936B1 (ko) * 2018-09-10 2022-05-03 주식회사 엘지에너지솔루션 Icb 조립체, 이를 포함한 배터리 모듈 및 그 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201682022U (zh) * 2010-05-20 2010-12-22 江苏双登集团有限公司 12v铅酸蓄电池单体排列结构
CN101944582A (zh) * 2010-09-10 2011-01-12 鸥瑞智诺能源科技(北京)有限公司 一种新型的成组电池连接方式
JP2012243597A (ja) * 2011-05-20 2012-12-10 Hitachi Vehicle Energy Ltd 組電池及び角形電池
CN208819967U (zh) * 2018-09-14 2019-05-03 宁德时代新能源科技股份有限公司 电池模组

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