CN209183611U - Battery modules - Google Patents

Battery modules Download PDF

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Publication number
CN209183611U
CN209183611U CN201822246232.1U CN201822246232U CN209183611U CN 209183611 U CN209183611 U CN 209183611U CN 201822246232 U CN201822246232 U CN 201822246232U CN 209183611 U CN209183611 U CN 209183611U
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CN
China
Prior art keywords
connector
end plate
battery modules
battery
band
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201822246232.1U
Other languages
Chinese (zh)
Inventor
陈少镇
苏立擂
姚己华
郑仁蔚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
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 Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201822246232.1U priority Critical patent/CN209183611U/en
Application granted granted Critical
Publication of CN209183611U publication Critical patent/CN209183611U/en
Priority to PCT/CN2019/122440 priority patent/WO2020134887A1/en
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Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model provides a kind of battery modules comprising: multiple batteries arrange along its length;End plate is set to the both ends of the length direction of the multiple battery;Connector, is connected to the both ends of end plate in the width direction, and connector includes arc surface;Band is arranged and tightens in the periphery of end plate, connector and the multiple battery, and band is bonded with the arc surface of connector.In the battery modules of the utility model, it is connected to the arc surface and band close fit of the connector at the both ends of end plate in the width direction, guarantee that band seamlessly transits at end plate both ends corner location in the width direction, to guarantee that band to the chuck strength of battery and end plate, will not make band loosen and fail.

Description

Battery modules
Technical field
The utility model relates to field of batteries more particularly to a kind of battery modules.
Background technique
Current battery modules can fix battery using end plate and cuff structures.Cuff structures are set in battery and end plate To clamp battery, end plate is usually rectangular metal plate for periphery, the both ends of the width direction of the end plate directly contacted with band Seamed edge is sharp and small with band contact area, and abrasion can be caused even to puncture band to band, and reduces the pretightning force of band, makes Chuck strength reduces, or even loosens band and fail.
Utility model content
In view of the existing technical defect, the purpose of this utility model is to provide a kind of battery modules, guarantee band To the chuck strength of battery and end plate.
To achieve the goals above, the utility model provides a kind of battery modules comprising: multiple batteries, along length Direction arrangement;End plate is set to the both ends of the length direction of the multiple battery;Connector is connected to end plate in the width direction Both ends, connector includes arc surface;Band is arranged and tightens in the periphery of end plate, connector and the multiple battery, hoop Band is bonded with the arc surface of connector.
In one embodiment, connector is provided with shackle member, and end plate is provided with catching groove, and the shackle member of connector is connected in end The catching groove of plate.
In one embodiment, connector is provided with boss, and end plate is correspondingly arranged fluted, and connector and end plate pass through bumps It is cooperatively connected.
In one embodiment, end plate is the extrusion profile with type chamber, wherein corresponding type chamber is used as groove, catching groove is edge Short transverse runs through the hole of the wall of corresponding type chamber.
In one embodiment, connector is electrically connected and has integrally formed with output stage pedestal, the multiple battery There is output stage, output stage is fixed on output stage pedestal.
In one embodiment, the arc surface of connector and the outer surface of end plate along its length are tangent.
In one embodiment, connector further includes the first side surface for being connected to arc surface, and the first side surface is plane, with The corresponding side surface fitting of end plate in the width direction.
In one embodiment, connector further includes the second side surface for being connected to arc surface and the first side surface, second side Surface is bonded with the corresponding battery for the end being located on length direction in the multiple battery.
In one embodiment, connector is hollow structure.
In one embodiment, battery modules further include upper cover, and top and the upper cover of connector are fixed.
The beneficial effects of the utility model are as follows:
In the battery modules of the utility model, be connected to the arc surface of the connector at the both ends of end plate in the width direction with Band close fit guarantees that band seamlessly transits at end plate both ends corner location in the width direction, to guarantee band pair The chuck strength of battery and end plate will not make band loosen and fail.
Detailed description of the invention
Fig. 1 is the perspective view of the battery modules of the utility model.
Fig. 2 is the top view of the battery modules of Fig. 1, and wherein the band of battery modules and upper cover are not shown.
Fig. 3 is the perspective view of the part building block of the battery modules of Fig. 1.
Fig. 4 is the perspective view of the part building block of the battery modules of Fig. 1, and there is shown with the one of the connector of battery modules Embodiment.
Fig. 5 is the front view of Fig. 4.
Fig. 6 is the connector of the battery modules of Fig. 4 and the exploded perspective view of end plate.
Fig. 7 is the perspective view of the connector of the battery modules of Fig. 4.
Fig. 8 is the perspective view of the part building block of the battery modules of Fig. 1, and there is shown with the another of the connector of battery modules One embodiment.
Fig. 9 is the perspective view of the connector of the battery modules of Fig. 8.
Wherein, the reference numerals are as follows:
1 battery, 3 connector
11 pole, 31 arc surface
12 explosion-proof valve, 32 first side surface
13 shell, 33 second side surface
14 top cover, 34 shackle member
35 boss of O output stage
2 end plate, 36 output stage pedestal
20 catching groove, 4 band
21 type chamber, 5 upper cover
211 wall L length directions
22 outer surface W width directions
23 side surface H short transverses
24 grooves
Specific embodiment
Attached drawing shows the embodiments of the present invention, and will be appreciated that the disclosed embodiments are only that this is practical new The example of type, the utility model can be implemented in a variety of manners, and therefore, detail disclosed herein, which should not be construed, to be limited System, but only as the basis of claim and as the basis of representative for instructing those of ordinary skill in the art with various Mode implements the utility model.
Fig. 1 is the perspective view of the battery modules of the utility model.Fig. 2 is the top view of the battery modules of Fig. 1, wherein battery The band and upper cover of mould group are not shown.Fig. 3 is the perspective view of the part building block of the battery modules of Fig. 1.Fig. 4 is the electricity of Fig. 1 The perspective view of the part building block of Chi Mo group, there is shown with an embodiments of the connector of battery modules.Fig. 5 be Fig. 4 just View.Fig. 6 is the connector of the battery modules of Fig. 4 and the exploded perspective view of end plate.Fig. 7 is the connector of the battery modules of Fig. 4 Perspective view.Fig. 8 is the perspective view of the part building block of the battery modules of Fig. 1, and there is shown with the connectors of battery modules Another embodiment.Fig. 9 is the perspective view of the connector of the battery modules of Fig. 8.
The battery modules of the utility model include: multiple batteries 1, and L is arranged along its length;End plate 2 is set to described more The both ends of the length direction L of a battery 1;Connector 3, is connected to the both ends of the W in the width direction of end plate 2, and connector 3 includes circular arc Face 31;Band 4 is arranged and tightens in the periphery of end plate 2, connector 3 and the multiple battery 1, band 4 and connector 3 Arc surface 31 is bonded.Battery modules further include upper cover 5, and the top of connector 3 and upper cover 5 are fixed.Connector 3 can by riveting, Pin joint, be threadedly coupled or snap connection etc. it is fixed with upper cover 5.
In the battery modules of the utility model, it is connected to the circular arc of the connector 3 at the both ends of W in the width direction of end plate 2 Face 31 and 4 close fit of band guarantee that band 4 seamlessly transits at end plate 2 in the width direction the both ends corner location of W, thus Guarantee that band 4 to the chuck strength of battery 1 and end plate 2, will not make band 4 loosen and fail.
Battery 1 can be hard shell battery (or being pot battery) or soft-package battery (or being pouch-type battery), hard shell battery Including electrode assembly (not shown), pole 11, explosion-proof valve 12, shell 13 and top cover 14.Accommodating chamber is formed inside shell 13, with Accommodate electrod component and electrolyte.Electrode assembly include positive plate, negative electrode tab and by positive plate and negative electrode tab be spaced apart every From film.Electrode assembly can be by positive plate, negative electrode tab and isolation film coiling and molding or by positive plate, negative electrode tab and isolation film Stacking molding.Positive plate, negative electrode tab include the active material layer of collector and setting on a current collector.Soft-package battery includes making For the packaging bag (such as being formed by aluminum plastic film) of battery case, electrode assembly (with hard shell battery constitute and form it is similar) and Tab.A part of tab is encapsulated in packaging bag and another part extends packaging bag.Tab can directly be formed by pole piece Or using independent conductive material and it is electrically connected to collector.
The material of end plate 2 is metal, preferably aluminium alloy, to increase intensity.
The material of connector 3 is insulating materials, and concretely plastics, can reduce weight.The connector 3 and aluminium of plastics close The end plate 2 of gold is used cooperatively, and can save cost.Connector 3 can be hollow structure, to mitigate the weight of battery modules.
As shown in Fig. 2, the outer surface 22 of the arc surface 31 of connector 3 and end plate 2 L along its length are tangent, can guarantee The close fit of connector 3 and end plate 2 guarantees assembly intensity.Connector 3 further includes the first side surface for being connected to arc surface 31 32, the first side surface 32 be plane, with end plate 2 in the width direction W corresponding side surface 23 be bonded so that easy to assembly and steady Gu connector 3 and 2 assembly relation of end plate is avoided to misplace, guarantee band 4 to the clamping force of battery 1 and end plate 2.Further, even Fitting 3 further includes the second side surface 33 for being connected to arc surface 31 and the first side surface 32, the second side surface 33 with it is the multiple The correspondence battery 1 for being located at the end on length direction L in battery 1 is bonded, and connector 3 is bonded assembly with battery 1, avoids connector 3 misplace with 1 assembly relation of battery and damage battery 1 by pressure.Wherein, in embodiment shown in Fig. 2, the circle of the arc surface 31 of connector 3 Heart angle φ is 90 degree.
Referring to Fig. 2, Fig. 4 and Fig. 6 to Fig. 9, connector 3 is provided with shackle member 34, and end plate 2 is provided with catching groove 20, connection The shackle member 34 of part 3 is connected in the catching groove 20 of end plate 2, so that connector 3 is connect with end plate 2.The quantity of shackle member 34 can be One or more, corresponding catching groove 20 can also be one or more, depending on the installation warrants of quantity specifically need.
Referring to Fig. 6 to Fig. 9, boss 35 has also been can be set in connector 3, and end plate 2 is correspondingly arranged fluted 24, connector 3 It is connect with end plate 2 by male-female engagement.Referring to Fig. 6 and Fig. 8, end plate 2 can be the extrusion profile with type chamber 21, wherein corresponding Type chamber 21 is used as groove 24, and catching groove 20 is the hole for running through the wall 211 of corresponding type chamber 21 along height direction H, to mitigate battery modules Weight.Certainly, connector 3 and the connection type of end plate 2 are without being limited thereto.
Referring to Fig. 8 and embodiment shown in Fig. 9, connector 3 can be integrally formed with output stage pedestal 36, the multiple battery 1 is electrically connected and has output stage O, and output stage is fixed on output stage pedestal 36, passes through output stage pedestal 36 and connector 3 Integrated molding can reduce component, save material.
Detailed description describes multiple exemplary embodiments above, but is not intended to be limited to clearly disclosed combination herein. Therefore, unless otherwise indicated, various features disclosed herein can be combined and be formed and not shown for clarity and Multiple other combinations out.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of battery modules characterized by comprising
Multiple batteries (1), (L) is arranged along its length;
End plate (2) is set to the both ends of the length direction (L) of the multiple battery (1);
Connector (3) is connected to the both ends of end plate (2) (W) in the width direction, and connector (3) includes arc surface (31);
Band (4) is arranged and tightens in the periphery of end plate (2), connector (3) and the multiple battery (1), band (4) with The arc surface (31) of connector (3) is bonded.
2. battery modules according to claim 1, which is characterized in that connector (3) is provided with shackle member (34), end plate (2) it is provided with catching groove (20), the shackle member (34) of connector (3) is connected in the catching groove (20) of end plate (2).
3. battery modules according to claim 1 or 2, which is characterized in that connector (3) is provided with boss (35), end plate (2) it is correspondingly arranged fluted (24), connector (3) is connect with end plate (2) by male-female engagement.
4. battery modules according to claim 3, which is characterized in that end plate (2) is the extrusion profile with type chamber (21), Wherein corresponding type chamber (21) is used as groove (24), and catching groove (20) is the wall for running through corresponding type chamber (21) along short transverse (H) (211) hole.
5. battery modules according to claim 1, which is characterized in that connector (3) is integrally formed with output stage pedestal (36), the multiple battery (1) is electrically connected and has output stage (O), and output stage is fixed on output stage pedestal (36).
6. battery modules according to claim 1, which is characterized in that the arc surface (31) of connector (3) and end plate (2) edge The outer surface (22) of length direction (L) is tangent.
7. battery modules according to claim 1, which is characterized in that connector (3) further includes being connected to arc surface (31) The first side surface (32), the first side surface (32) are plane, with the corresponding side surface of end plate (2) (W) in the width direction (23) it is bonded.
8. battery modules according to claim 7, which is characterized in that connector (3) further includes being connected to arc surface (31) With second side surface (33) of the first side surface (32), length side is located in the second side surface (33) and the multiple battery (1) The correspondence battery (1) of end on (L) is bonded.
9. battery modules according to claim 1, which is characterized in that connector (3) is hollow structure.
10. battery modules according to claim 1, which is characterized in that battery modules further include upper cover (5), connector (3) Top and upper cover (5) it is fixed.
CN201822246232.1U 2018-12-29 2018-12-29 Battery modules Active CN209183611U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201822246232.1U CN209183611U (en) 2018-12-29 2018-12-29 Battery modules
PCT/CN2019/122440 WO2020134887A1 (en) 2018-12-29 2019-12-02 Battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822246232.1U CN209183611U (en) 2018-12-29 2018-12-29 Battery modules

Publications (1)

Publication Number Publication Date
CN209183611U true CN209183611U (en) 2019-07-30

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CN201822246232.1U Active CN209183611U (en) 2018-12-29 2018-12-29 Battery modules

Country Status (2)

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CN (1) CN209183611U (en)
WO (1) WO2020134887A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020134887A1 (en) * 2018-12-29 2020-07-02 宁德时代新能源科技股份有限公司 Battery module
US11721869B2 (en) 2019-07-22 2023-08-08 Jiangsu Contemporary Amperex Technology Limited Battery pack

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115986289A (en) * 2022-12-20 2023-04-18 厦门海辰储能科技股份有限公司 Battery pack
CN116014367A (en) * 2023-01-10 2023-04-25 厦门海辰储能科技股份有限公司 Output pole assembly, battery module, energy storage device and electric equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060093890A1 (en) * 2004-10-29 2006-05-04 Steinbroner Matthew P Fuel cell stack compression systems, and fuel cell stacks and fuel cell systems incorporating the same
CN201134452Y (en) * 2007-12-14 2008-10-15 中国电子科技集团公司第十八研究所 Fastening built-up construction of square batteries
JP5628105B2 (en) * 2011-07-08 2014-11-19 本田技研工業株式会社 Fuel cell stack
CN106654103B (en) * 2017-01-20 2019-10-22 宁德时代新能源科技股份有限公司 battery module end plate and battery module
CN209183611U (en) * 2018-12-29 2019-07-30 宁德时代新能源科技股份有限公司 Battery modules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020134887A1 (en) * 2018-12-29 2020-07-02 宁德时代新能源科技股份有限公司 Battery module
US11721869B2 (en) 2019-07-22 2023-08-08 Jiangsu Contemporary Amperex Technology Limited Battery pack

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