CN208690327U - Battery modules - Google Patents

Battery modules Download PDF

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Publication number
CN208690327U
CN208690327U CN201821094937.XU CN201821094937U CN208690327U CN 208690327 U CN208690327 U CN 208690327U CN 201821094937 U CN201821094937 U CN 201821094937U CN 208690327 U CN208690327 U CN 208690327U
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CN
China
Prior art keywords
battery
support base
battery unit
pouch
radiating shell
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Active
Application number
CN201821094937.XU
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Chinese (zh)
Inventor
曾信
陈思恩
余凯勤
蔡锦榕
徐守江
冯春艳
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201821094937.XU priority Critical patent/CN208690327U/en
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    • 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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  • Battery Mounting, Suspending (AREA)

Abstract

This application involves battery modules.Battery modules include: multiple battery units, and multiple battery units stack setting, and at least one of described battery unit is arranged to unilateral formula battery unit, and the unilateral side formula battery unit includes: at least one first pouch-type battery;First protection radiating shell;With the first support base; the first protection radiating shell is connect so that at least one described first pouch-type battery to be held on to the side of first support base with first support base; first support base is equipped with exposed region; one of them described first pouch-type battery becomes expansible side from the exposed region is exposed away from the side of the first protection radiating shell, and at least partly region of the expansible side is contacted with the adjacent battery unit.The program improves the energy density of battery modules.

Description

Battery modules
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules.
Background technique
Secondary cell has various forms, is divided into pot battery and pouch-type battery according to shell.Pot battery passes through metal Shell and metal roof cover plate are made, and pouch-type battery shell is by including that the laminate of polymeric layer and metal layer is made.
When being grouped into battery modules using the pouch-type battery that laminate encapsulates, since laminate intensity is lower, grouping procedure Middle easy damaged, it is therefore desirable to increase corresponding support construction in battery modules to improve the structural strength of battery modules, this makes The energy density for obtaining battery modules reduces.
Therefore, a kind of battery modules compact-sized, structural strength is high and energy density is high are needed.
Utility model content
This application provides a kind of battery modules, have good expandability energy.
A kind of battery modules, comprising: multiple battery units, multiple battery units stack setting, the battery unit At least one of be arranged to unilateral formula battery unit,
It is described unilateral side formula battery unit include:
At least one first pouch-type battery;
First protection radiating shell;With
First support base,
The first protection radiating shell is connect with by least one first pouch-type battery with first support base It is supported in the side of first support base,
First support base is equipped with exposed region, one of them described first pouch-type battery is dissipated away from first protection The side of hot shell becomes expansible side, at least partly region of the expansible side and adjacent from the exposed region is exposed The battery unit contact.
Further, a part of battery unit is arranged to the unilateral formula battery unit, a part of battery unit It is arranged to bilateral formula battery unit, the bilateral formula battery unit includes:
At least one second pouch-type battery;
Two second protection radiating shells of split settings;With
Second support base,
Each second protection radiating shell the second pouch-type battery described in the sandwich from second support base respectively, At least partly region of the expansible side is contacted with one in the second protection radiating shell.
Further, the unilateral formula battery unit is provided with the multiple and setting that overlies one another, the bilateral formula battery unit It is set to the outermost of the stacking direction of the battery modules.
Further, the unilateral formula battery unit includes the first clamping mechanism, and first support base and described first protect Shield radiating shell is connected and fixed by first clamping mechanism.
Further, first support base is arranged to hollow type frame structure, and the middle vacancy of first support base is formed For the exposed region,
First support base includes the first positioning support portion, inner wall of first positioning support portion from the middle vacancy Extend at towards the center of the exposed region, the frame of first positioning support portion and first support base is collectively formed the One holding tank,
At least one described first pouch-type battery is contained in first holding tank, and along the stacking of the battery unit Direction and first positioning support portion location fit.
Further, first support base further includes expansion slot, and the expansion slot is set to the expansible side,
First holding tank is defined with the expansion slot by first positioning support portion, and is arranged along the stacking direction Cloth,
The adjacent battery unit is at least partially housed in the expansion slot.
Further, the bilateral formula battery unit includes the second clamping mechanism, each second protection radiating shell and institute The second support base is stated to connect and fix by second clamping mechanism.
Further, second clamping mechanism is arranged to, and one in two the second protection radiating shells is connected in Second support base, and two the second protection radiating shells are mutually clamped.
Further, second support base includes the recessed portion for avoiding second clamping mechanism.
Further, second support base is arranged to hollow type frame structure, and second support base includes the second receiving Slot, second pouch-type battery are contained in second holding tank.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
This application provides a kind of battery modules, wherein at least one of battery unit is arranged to unilateral formula battery list Member, since one first protection radiating shell is only arranged in unilateral formula battery unit, it is possible to reduce battery list in battery modules The quantity of protection radiating shell in member allows the remaining more spaces out of battery modules to accommodate the first pouch-type battery, from And improve the energy density of battery modules.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited Application.
Detailed description of the invention
Fig. 1 is the decomposition view of battery modules in the prior art;
Fig. 2 is the decomposition view of unilateral formula battery unit provided by the embodiments of the present application;
Fig. 3 is the decomposition view of bilateral formula battery unit provided by the embodiments of the present application.
Appended drawing reference:
1- battery modules;
The unilateral side 10- formula battery unit;
100- first protects radiating shell;
The first card hole of 1000-;
1002- accommodating chamber;
The first support base of 102-;
1020- exposed region;
1022- first is clamped protrusion;
The first positioning support of 1024- portion;
1026- connecting hole;
The first holding tank of 1028-;
1030- expansion slot;
The first pouch-type battery of 104-;
106- elastic buffering pad;
11- bilateral formula battery unit;
110- second protects radiating shell;
The second card hole of 1100-;
1102- third clamping protrusion;
1104- third card hole;
The second support base of 112-;
1120- second is clamped protrusion;
1122- recessed portion;
The second holding tank of 1124-;
The second pouch-type battery of 114-.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present application, "left", "right" are with attached drawing Shown in angle come what is be described, should not be construed as the restriction to the embodiment of the present application.In addition, within a context, it is also necessary to Understand, when mentioning an element and being connected to another element "upper" or "lower", can not only be connected directly between another Perhaps "lower" can also be indirectly coupled to another element "upper" or "lower" by intermediary element for one element "upper".
As shown in Figure 1, battery modules 1 include multiple battery units, Duo Ge electricity this application provides a kind of battery modules 1 Pool unit stacks setting, and stacking direction is the thickness direction of battery unit.
As shown in Fig. 2, at least one battery unit is arranged to unilateral formula battery unit 10, specifically in multiple battery units For, unilateral formula battery unit 10 includes the first protection radiating shell 100, the first support base 102 and the first pouch-type battery 104。
First pouch-type battery 104 can be set into one, two or more, when being set as multiple, multiple first bags Type battery 104 is stacked along the thickness direction of itself, and is all set to the same side of the first support base 102, the first protection heat dissipation Shell 100 is connect with the first support base 102, and each first pouch-type battery 104 is supported and is fixed.
First support base 102 is equipped with exposed region 1020, which can be by the first support base 102 Through-hole is opened up to be formed.In the embodiment shown in Figure 2, the first support base 102 is set as hollow type square frame structure, this is rectangular The middle vacancy of frame structure forms exposed region 1020.
Therefore the side that first protection radiating shell 100 is connected to the first support base 102 deviates from the first support base 102 The side of first protection radiating shell 100, the first pouch-type battery 104 can be exposed from exposed region 1020, also, first The exposed side of pouch-type battery 104 is arranged to expansible side, when stacking, at least partly region of expansible side and adjacent battery Unit 10 contacts.
" expansible side " described here refers to that the battery unit adjacent with unilateral formula battery unit 10 should be stacked on the The exposed side of one pouch-type battery 104, to realize the extension of the battery modules 1.
According to above description it is found that since one first protection radiating shell 100 is only arranged in unilateral formula battery unit 10, Therefore, it is possible to reduce the quantity of the protection radiating shell in the battery modules 1 goes out battery modules more than 1 more empty Between accommodate battery unit, to improve the energy density of battery modules 1.
In unilateral formula battery unit 10, the first protection radiating shell 100 and the first support base 102 are using dismountable side Formula connection.A kind of embodiment, unilateral formula battery unit 10 include the first clamping mechanism, and the first support base 102 and the first protection dissipate Hot shell 100 is connected and fixed by the first clamping mechanism.Specifically, the first support base 102 includes the first clamping protrusion 1022, the One protection radiating shell 100 include the first card hole 1000, first clamping protrusion 1022 with first card hole 1000 clamping direction and The stacking direction of battery unit is consistent.
In this embodiment, the first clamping protrusion 1022 and the first card hole 1000 collectively form the first clamping mechanism, clamping side Formula is convenient for assembly and dismantles, and is conducive to the packaging efficiency for improving battery unit.Certainly, the first support base 102 and the first protection dissipate Hot shell 100 such as can also be connected by screw bolts at other connection types.
First support base 102 further includes the first positioning support portion 1024, the first positioning support portion 1024 therefrom vacancy it is interior Wall extends pre-determined distance towards extension at the center of exposed region 1020.In this way, the first positioning support portion 1024 and the first support The square border of seat 102 then together forms the first holding tank 1028, wherein the first positioning support portion 1024 is the first holding tank Bottom wall, frame then forms the side wall of the first holding tank 1028.
First holding tank 1028 is for accommodating the first pouch-type battery 104, and the first positioning support portion 1024 can be along battery The stacking direction of unit plays the role of the first pouch-type battery 104 of positioning and support, and square border can play first bag of limitation The effect of larger displacement occurs for type battery 104, guarantees stability of first pouch-type battery 104 in the first holding tank 1028.
It is readily comprehensible, when multiple first pouch-type batteries 104 are arranged, the first pouch-type battery 104 for being stacked General thickness can be greater than the depth of the first holding tank 1028, this meeting is so that a part of first pouch-type battery 104 can not be limited.It examines Consider this factor, in the present embodiment, the first protection radiating shell 100 includes accommodating chamber 1002, and accommodating chamber 1002 is towards far from first The side recess of seat 102 is supportted, and is connected with the first holding tank 1028.In this way, the first all pouch-type batteries 104 can be limited It is scheduled on and is formed by limited space by the first holding tank 1028 and accommodating chamber 1002, to further improve the battery list The structural stability of member.
Further, in the other side in the first positioning support portion 1024, that is, expansible side, the first positioning support portion 1024 It is also formed with expansion slot 1030 with the square border of the first support base 102, likewise, the first positioning support portion 1024 is formed as expanding The bottom wall of slot 1030 is opened up, square border is formed as the side wall of expansion slot 1030, it follows that the expansion slot 1030 and first accommodates Slot 1028 is arranged along the stacking direction of battery unit 10, and is defined by the first positioning support portion 1024.
The expansion slot 1030 can accommodate at least part of the battery unit adjacent with unilateral formula battery unit 10, thus Guarantee stability when adjacent battery unit and unilateral formula battery unit 10 stack.
As shown in figure 3, a part of battery unit can also be arranged to bilateral formula battery unit 11, specifically, bilateral formula Battery unit 11 includes two second protection radiating shells 110, the second support base 112 and the second pouch-type battery of split settings 114。
Likewise, the second pouch-type battery 114 can be set into one, and two or more, it is multiple when being set as multiple Second pouch-type battery 114 is stacked along the thickness direction of itself, and can be respectively arranged at the two sides of the second support base 112, and two Second protection radiating shell 110 is connect from the two sides of the second support base 112 with the second support base 112 respectively, by each second bag Type battery 114 grips.
When bilateral formula battery unit 11 and unilateral formula battery unit 10 stack, bilateral formula battery unit 11 is in expansible side It is stacked with unilateral formula battery unit 10, at this point, at least partly area of one of them the second protection radiating shell 110 and expansible side Domain is in contact.
It follows that one of them second protection radiating shell 110 in bilateral formula battery unit 11 can be with first bag Type battery 104 contacts, so as to for the first heat dissipation outward of pouch-type battery 104.
For unilateral formula battery unit 10 and bilateral formula the battery unit 11 embodiment including two pouch-type batteries, Each pouch-type battery can be radiated by a protection radiating shell, that is, improve radiating efficiency, and improve battery modules 1 Energy density.
In bilateral formula battery unit 11, each second protects radiating shell 110 and the second support base 112 that can also use can The mode of disassembly connects.A kind of embodiment, bilateral formula battery unit 11 include the second clamping mechanism, the second support base 112 with it is each Second protection radiating shell 110 is connected and fixed by the second clamping mechanism.
Specifically, the second support base 112 includes the second clamping protrusion 1120, one of them second protection radiating shell 110 Including the second card hole 1100, the stacking direction in the clamping direction and battery unit of the second clamping protrusion 1120 and the second card hole 1100 Unanimously.
Two second protection radiating shells 110 are mutually clamped, one of them second protection radiating shell 110 includes third card Protrusion 1102 is connect, another the second protection radiating shell 110 includes third card hole 1104, third clamping protrusion 1102 and third card The clamping direction in hole 1104 is consistent with the stacking direction of battery unit.
In this embodiment, second is clamped raised 1120, second card hole 1100 and the raised 1102 third card holes of third clamping 1104 collectively form the second clamping mechanism.
For the ease of realizing clamping and disassembly between two second protection radiating shells 110, the second support base 112 is also set It is equipped with the recessed portion 1122 of the second clamping mechanism of evacuation.Specifically, the clamping of third clamping protrusion 1102 and third card hole 1104 Place is located at the top of the second support base 112, when third clamping protrusion 1102 is clamped or is released clamping with third card hole 1104 When, in order to avoid third clamping protrusion 1102 is interfered with the second support base 112, the second support base 112 is provided with recessed portion 1122, which forms avoiding space, and the third clamping protrusion 1102 after clamping is contained in the recessed portion 1122, by This can provide activity space for third clamping protrusion 1102.
The square frame structure of hollow type also can be set into second support base 112, and the second support base 112 is provided with second Holding tank 1124, the second pouch-type battery 114 are respectively accommodated in the second holding tank 1124, to reinforce the second pouch-type battery 114 The stability set.The generation type of second holding tank 1124 and the generation type of the first holding tank 1028 are essentially identical, the application This is repeated no more.
It should be noted that the second protection radiating shell 110 also may include accommodating chamber, so that the accommodating chamber and the Two holding tanks 1124 are connected, to accommodate the second pouch-type battery 114 jointly.
In order to further increase the energy density of battery modules 1, a bilateral formula battery unit 11 can be only set, and incited somebody to action Remaining each battery unit, which is all provided with, is set to unilateral formula battery unit 10, also, bilateral formula battery unit 11 is set to expansible side, And it is located at the outermost of expansible side.Battery modules 1 after being arranged in this way, the first pouch-type battery 104 and the second pouch-type battery 114 Will not be exposed, the intensity of battery modules 1 is improved, and it is possible to it is further reduced the quantity of protection radiating shell, and it is corresponding Increase battery modules 1 in battery unit quantity.
For battery unit, each battery unit can also include elastic buffering pad 106, and elastic buffering pad 106 is set It is placed between adjacent pouch-type battery, when pouch-type battery expands, elastic buffering pad 106 shrinks change under the action of expansive force Shape, so as to provide the swell increment of space pouch-type battery.
Elastic buffering pad 106 can be made of heat-barrier material, make elastic buffering pad 106 that can either be pouch-type battery with this Expansion space is provided, the heat transmitted between adjacent two pouch-type battery can also be reduced.
In the application, the corner of the first support base 102 and the second support base 112 is provided with connecting hole 1026, connection Bolt passes through the connecting hole 1026 of each first support base 102 and the second support base 112 and is fastened by nut, so that battery mould The increase-volume of group 1 and drop are held more convenient.
The battery modules 1 can also include a pair of end plate, and each end plate is connected to battery modules 1 in the heap of battery unit The both ends in folded direction, and contacted with battery unit.On the one hand, end plate can will accumulate in the heat transfer in protection radiating shell It goes out, on the other hand, can also shield to battery unit.
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 battery units, multiple battery units stack setting, described At least one of battery unit is arranged to unilateral formula battery unit,
It is described unilateral side formula battery unit include:
At least one first pouch-type battery;
First protection radiating shell;With
First support base,
The first protection radiating shell is connect to support at least one described first pouch-type battery with first support base In the side of first support base,
First support base is equipped with exposed region, and first pouch-type battery is away from the side of the first protection radiating shell Become expansible side, at least partly region of the expansible side and the adjacent battery unit from the exposed region is exposed Contact.
2. battery modules according to claim 1, which is characterized in that a part of battery unit is arranged to the unilateral side Formula battery unit, a part of battery unit are arranged to bilateral formula battery unit, and the bilateral formula battery unit includes:
At least one second pouch-type battery;
Two second protection radiating shells of split settings;With
Second support base,
Each second protection radiating shell the second pouch-type battery described in the sandwich from second support base respectively, it is described At least partly region of expansible side is contacted with one in the second protection radiating shell.
3. battery modules according to claim 2, which is characterized in that it is described unilateral side formula battery unit be provided with it is multiple and that This stacks setting, and the bilateral formula battery unit is set to the outermost of the stacking direction of the battery modules.
4. battery modules according to claim 1, which is characterized in that the unilateral side formula battery unit includes the first clamping machine Structure, first support base are connected and fixed with the first protection radiating shell by first clamping mechanism.
5. battery modules according to claim 1, which is characterized in that first support base is arranged to hollow type frame knot The middle vacancy of structure, first support base is formed as the exposed region,
First support base includes the first positioning support portion, and first positioning support portion is from the inner wall in the middle vacancy towards institute It states and extends at the center of exposed region, the first appearance is collectively formed in the frame of first positioning support portion and first support base Receive slot,
At least one described first pouch-type battery is contained in first holding tank, and along the stacking direction of the battery unit With first positioning support portion location fit.
6. battery modules according to claim 5, which is characterized in that first support base further includes expansion slot, described Expansion slot is set to the expansible side,
First holding tank is defined with the expansion slot by first positioning support portion, and is arranged along the stacking direction,
The adjacent battery unit is at least partially housed in the expansion slot.
7. battery modules according to claim 2, which is characterized in that the bilateral formula battery unit includes the second clamping machine Structure, each second protection radiating shell are connected and fixed with second support base by second clamping mechanism.
8. battery modules according to claim 7, which is characterized in that second clamping mechanism is arranged to, described in two One in second protection radiating shell is connected in second support base, and two the second protection radiating shells mutually block It connects.
9. battery modules according to claim 7, which is characterized in that second support base includes avoiding second card The recessed portion of connection mechanism.
10. battery modules according to claim 2, which is characterized in that second support base is arranged to hollow type frame Structure, second support base include the second holding tank, and second pouch-type battery is contained in second holding tank.
CN201821094937.XU 2018-07-11 2018-07-11 Battery modules Active CN208690327U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821094937.XU CN208690327U (en) 2018-07-11 2018-07-11 Battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821094937.XU CN208690327U (en) 2018-07-11 2018-07-11 Battery modules

Publications (1)

Publication Number Publication Date
CN208690327U true CN208690327U (en) 2019-04-02

Family

ID=65880278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821094937.XU Active CN208690327U (en) 2018-07-11 2018-07-11 Battery modules

Country Status (1)

Country Link
CN (1) CN208690327U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114122588A (en) * 2021-11-11 2022-03-01 比亚迪股份有限公司 Battery and battery pack
CN115084746A (en) * 2021-03-12 2022-09-20 英业达科技有限公司 Battery holding module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115084746A (en) * 2021-03-12 2022-09-20 英业达科技有限公司 Battery holding module
CN114122588A (en) * 2021-11-11 2022-03-01 比亚迪股份有限公司 Battery and battery pack

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