CN208385497U - Battery modules - Google Patents
Battery modules Download PDFInfo
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- CN208385497U CN208385497U CN201821094995.2U CN201821094995U CN208385497U CN 208385497 U CN208385497 U CN 208385497U CN 201821094995 U CN201821094995 U CN 201821094995U CN 208385497 U CN208385497 U CN 208385497U
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- battery
- pouch
- battery unit
- support base
- type battery
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- 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
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Abstract
This application involves battery modules.The battery modules include the battery unit of at least two stackings setting, and each battery unit includes: support base；At least one pouch-type battery；With protection radiating shell；The protection radiating shell is connect with the support base is formed with accommodation space; the pouch-type battery is contained in the accommodation space; at least one described battery unit has the exposed region of the exposed pouch-type battery, and the protection radiating shell of the adjacent battery unit is contacted via the exposed region with the pouch-type battery.In the program, due to the effect by same attachment force; the active force of each protection be applied to pouch-type battery of radiating shell is also more consistent; correspondingly, the pretightning force that each pouch-type battery in each battery unit is subject to is also relatively uniform, the consistency for the pretightning force that pouch-type battery is subject to is improved.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules.
Background technique
Secondary cell in use, needs to guarantee the contact formedness of reaction interface, at this moment needs to apply one to it
The problems such as fixed pretightning force guarantees that the contact of reaction interface is good, and contact interface is bad, will cause analysis lithium, seriously affects cell performance
Energy.Therefore pretightning force size will affect the chemical reaction of each inside battery and then influence the performance of each battery, pretightning force it is different
Cause will cause the inconsistent of battery performance, eventually leads to battery modules overall performance and is affected.
Currently, traditional pouch-type battery mould group includes multiple battery units, each battery unit generally include upper housing, under
Shell and the pouch-type battery being contained in accommodating chamber composed by above-mentioned two shell, upper housing and lower case pass through flexible clamping
Structure connection, and pretightning force is applied to pouch-type battery by the attachment force.However, being influenced by manufacture deviation, each flexible clamping
The location and shape of structure are not quite identical, this causes the consistency of pretightning force suffered by pouch-type battery poor.
Utility model content
This application provides a kind of battery modules, and the pretightning force that the pouch-type battery in each battery unit is subject to can be improved
Consistency.
A kind of battery modules, the battery unit for stacking setting including at least two, each battery unit include:
Support base；
At least one pouch-type battery；With
Protect radiating shell；
The protection radiating shell is connect with the support base is formed with accommodation space, and the pouch-type battery is contained in described
In accommodation space,
At least one described battery unit has the exposed region of the exposed pouch-type battery, the adjacent battery unit
The protection radiating shell contacted via the exposed region with the pouch-type battery.
Further, at least one described battery unit is arranged to unilateral formula battery unit, the unilateral side formula battery unit packet
It includes:
First support base；
At least one first pouch-type battery；With
First protection radiating shell；
The first protection radiating shell is connected to the unilateral side of first support base,
First support base has the exposed region of exposed first pouch-type battery, adjacent battery unit warp
It is contacted by the exposed region with first pouch-type battery.
Further, the protection radiating shell includes ontology and the protruding portion for protruding from the ontology, the protruding portion with
The first pouch-type battery contact of the unilateral side formula battery unit.
Further, the profile of the exposed region and the profile of the protruding portion match.
Further, the protruding portion being in contact at least partly is bonded setting with first pouch-type battery.
Further, the battery modules further include bilateral formula battery unit, and the bilateral formula battery unit includes:
Second support base；At least one second pouch-type battery；With
Two second protection radiating shells of split settings；
Each second protection radiating shell the second pouch-type battery described in the sandwich from second support base respectively.
Further, at least one of two described second protection radiating shells include body part and protruding portion, described prominent
Portion is directly contacted by the exposed region with first pouch-type battery out.
Further, the unilateral formula battery unit is provided with multiple and stacks setting, the bilateral formula battery unit setting
In the outermost of the stacking direction of the battery modules.
Further, first support base includes battery holding tank, and first pouch-type battery, which is contained in the battery, to be held
It receives in slot, the bottom wall of the battery holding tank offers through-hole to form the exposed region.
Further, first support base further include to the adjacent open expansion slot in battery unit side, it is described
Expansion slot and the battery holding tank are arranged along the stacking direction of the battery unit, and are held by the through-hole and the battery
Slot of receiving connection, the protruding portion of the adjacent battery unit are contained in the expansion slot.
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 the pouch-type battery of the adjacent battery unit of protection radiating shell is straight
Contact, it follows that after multiple battery units are connected and fixed by bolt or other fasteners, resulting attachment force
It can be by protecting radiating shell to be transferred to pouch-type battery, the conversion when attachment force is by protecting radiating shell to act on pouch-type battery
For the pretightning force for being applied to pouch-type battery, due to the effect by same attachment force, each to protect the be applied to bag of radiating shell
The active force of type battery is also more consistent, correspondingly, the also phase for the pretightning force that each pouch-type battery in each battery unit is subject to
To consistent, the consistency for the pretightning force that pouch-type battery is subject to is improved.
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 provided by the embodiments of the present application；
Fig. 2 is the decomposition view of battery unit provided by the embodiments of the present application；
Fig. 3 is the cross-sectional view of battery modules provided by the embodiments of the present application；
Fig. 4 is the decomposition view of unilateral formula battery unit provided by the embodiments of the present application；
Fig. 5 is the decomposition view of bilateral formula battery unit provided by the embodiments of the present application.
Appended drawing reference:
1- battery modules；
10- battery unit；
100- support base；
102- pouch-type battery；
104- protects radiating shell；
1040- ontology；
1042- protruding portion；
106- exposed region；
108- elastic buffering pad；
The unilateral side 20- formula battery unit；
The first support base of 200-；
2000- exposed region；
2002- battery holding tank；
The first positioning support of 2004- portion；
2006- expansion slot；
2008- first is clamped protrusion；
The first pouch-type battery of 202-；
204- first protects radiating shell；
2040- protruding portion；
2042- pockets；
The first card hole of 2044-；
30- bilateral formula battery unit；
The second support base of 300-；
3000- second is clamped protrusion；
3002- recessed portion；
The second pouch-type battery of 302-；
304- second protects radiating shell；
3040- protruding portion；
The second card hole of 3042-；
3044- third clamping protrusion；
3046- third card hole.
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 depicted in figs. 1 and 2, this application provides a kind of battery modules 1, battery modules 1 include multiple battery units 10,
Multiple battery units 10 stack setting, and stacking direction is the thickness direction of battery unit 10.
As shown in Fig. 2, each battery unit 10 includes support base 100, at least one pouch-type battery 102 and protection radiation shell
Body 104.Wherein, support base 100 connect to form accommodation space with protection radiating shell 104, and pouch-type battery 102 is contained in the receiving
In space.Protection radiating shell 104 can be set to the higher metal shell of thermal coefficient, such as aluminum hull.
" pouch-type battery " mentioned here refers to the covering pack of packaging electric core using including polymeric layer and gold
Belong to laminate made of layer.
At least one battery unit 10 has the exposed region 106 of exposed pouch-type battery 102, adjacent battery unit 10
Protection radiating shell 102 is contacted via the exposed region 106 with pouch-type battery 102.It follows that working as multiple battery units 10
After being connected and fixed by bolt or other fasteners, resulting attachment force can be by protecting radiating shell 104 to be transferred to bag
Type battery 102, the attachment force are applied to pouch-type battery by protecting radiating shell 104 to be converted into when acting on pouch-type battery 102
102 pretightning force, due to the effect by same attachment force, each to protect the be applied to pouch-type battery 102 of radiating shell 104
Active force it is also more consistent, correspondingly, the pretightning force that each pouch-type battery 102 in each battery unit 10 is subject to is also with respect to one
It causes, improves the consistency for the pretightning force that pouch-type battery 102 is subject to.
In the application, in order to realize the exposed of pouch-type battery 102, to realize protection radiating shell 104 and pouch-type battery
102 direct contact, a kind of embodiment, as shown in figure 3, at least one battery unit 10, which can be set, is in the battery modules 1
Unilateral formula battery unit 20.
Specifically, as shown in figure 4, unilateral formula battery unit 20 includes the first support base 200, at least one first pouch-type electricity
Pond 202 and the first protection radiating shell 204.Wherein, the first protection radiating shell 204 is connected to the unilateral side of the first support base 200,
And the first pouch-type battery 202 is supported between the first support base 200 and the first protection radiating shell 204.
First pouch-type battery 202 can be set into one, two or more, when being set as multiple, multiple first bags
Type battery 202 is stacked along the thickness direction of itself, and is all set to the unilateral side of the first support base 200, i.e. the same side.First protects
Shield radiating shell 204 is connect with the first support base 200, and each first pouch-type battery 202 is supported and is fixed.In the present embodiment, the
The quantity of one pouch-type battery 202 is two.
First support base 200 has the exposed region 2000 of exposed first pouch-type battery 202, which can be with
It is formed by and the first support base 200 opens up through-hole.In the present embodiment, the first support base 200 is set as hollow type frame knot
Structure, vacancy is the exposed region 2000 for being formed as unilateral formula battery unit 20 in this.
Readily comprehensible, the first pouch-type battery 202 in the unilateral side formula battery unit 20 is away from the first protection radiating shell
204 side surface is exposed to outside via the exposed region 2000, it follows that adjacent with the unilateral side formula battery unit 20
The protection radiating shell 104 of battery unit 10 can be in contact via the exposed region 2000 with the first pouch-type battery 202.
According to above description it is found that unilateral formula battery unit 20 not only facilitates other battery units 10 to the first pouch-type
Battery 202 applies pretightning force, moreover, because it is provided only with one first protection radiating shell 204 in unilateral formula battery unit 20,
The quantity of the protection radiating shell 104 in the battery modules 1 is consequently reduced, battery modules more than 1 are gone out more
Space accommodates more battery units 10, so as to improving the energy density of battery modules 1.
Further, with continued reference to FIG. 2, when each battery unit 10 stacks gradually, in order to avoid occurring with support base 110
The contact of protection radiating shell 104 and the pouch-type battery 102 of adjacent cell 10 is preferably realized in interference, protects radiation shell
Body 104 may include body part 1040 and the protruding portion 1042 for protruding from body part 1040, and protruding portion 1042 is towards adjacent electricity
Pool unit 10 is prominent, therefore can more convenient the first pouch-type electricity via exposed region 2000 and unilateral formula battery unit 20
Pond 202 contacts.
In a kind of selectable embodiment, the profile of exposed region 2000 can be matched with the outer profile of protruding portion 1042 to be set
It sets, that is to say, that if the contour line of exposed region 2000 is rectangular, the profile side of may be set to be of protruding portion 1042
Shape, in this manner it is possible to very easily realize protruding portion 1042 and exposed region 2000 cooperation, and then facilitate protruding portion 1042 and
The contact of first pouch-type battery 202.Also, it can also be under the premise of not interfered with the profile of exposed region 2000 as far as possible
Increase protruding portion 1042 size, to increase the contact area of protruding portion 1042 and the first pouch-type battery 202.Meanwhile it is this
Matching setting so that battery modules 1 it is compact-sized, energy density is higher, and protruding portion 1042 can also pass through exposed region 2000
It is pre-positioned, realizes that battery modules 1 are assembled simple and convenient, improve assembly efficiency.
On the other hand, protruding portion 1042 (more precisely be surface that protruding portion 1042 is dashed forward to the first pouch-type battery 202) can
To be at least partly bonded with the holding of the first pouch-type battery 202, stability when fitting setting can make the two contact is improved, separately
Outside, fitting setting can make the contact area of protruding portion 1042 and the first pouch-type battery 202 increase, will not be due to active force collection
In in certain of the first pouch-type battery 202 cause the damage of the first pouch-type battery 202.
In the present embodiment, the entire outer surface of the protruding portion 1042 is set as plane, the plane and the first pouch-type battery 202
Outer surface is bonded completely.
In unilateral formula battery unit 20, the first protection radiating shell 204 includes protruding portion 2040, the first protection radiating shell
204 have a pockets 2042 with the inner wall of 2040 face of protruding portion, the pockets 2042 can by way of punching
It is formed simultaneously when processing protruding portion 2040, but is not limited only to this.
The first pouch-type battery 202 can be accommodated in pockets 2042, by be arranged pockets 2042, can make by
The inner space that first protection radiating shell 204 and the first support base 200 surround increases, to hold in the accommodation space
Receive more first pouch-type batteries 202.
It is worth noting that the profile phase of the profile and the first pouch-type battery 202 of pockets 2042 can also be arranged
Match, so that the space in pockets 2042 is fully used, structure setting is also more reasonable.
It can hold there are small gap, after being arranged in this way between the side wall of pockets 2042 and the first pouch-type battery 202
Limit to the first pouch-type battery 202 may be implemented in the side wall of groove 2042 received, with reduce the first pouch-type battery 202 accommodate it is recessed
The displacement of slot 2042 increases the stability of the two relative position.Pockets 2042 and the first pouch-type electricity for outline
For pond 202, the side walls of pockets 2042 can along two mutually orthogonal directions simultaneously with the first pouch-type battery 202 first
The limit cooperation of pouch-type battery 202.
In the present embodiment, two mutually orthogonal directions are the length direction (figure of the chamfered shape of the first pouch-type battery 202
X-direction in 4) and width direction (Y-direction in Fig. 4).
" small gap " mentioned here refer to the first pouch-type battery 202 with when 2042 clearance fit of pockets by
According to the basic size and the margin of tolerance of standard application, and those skilled in the art can make a choice according to the actual situation.
Further, please continue to refer to Fig. 3 Fig. 4, the first support base 200 includes battery holding tank 2002, the battery holding tank
2002 are connected to pockets 2042, to accommodate the first pouch-type battery 202 jointly.At this point, exposed region 2000 can be regarded as
It is opened in the through-hole of the bottom wall of battery holding tank 2002.
In the present embodiment, since the first support base 200 is arranged to hollow frame structure, battery holding tank 2002 can lead to
It crosses and the formation of the first positioning support portion 2004 is set in middle vacancy, specifically, the first support base 200 further includes the first positioning support portion
2004, the inner wall in the first positioning support portion 2004 therefrom vacancy extends towards at center, and extends pre-determined distance.In this way, first is fixed
The frame of position support portion 2004 and the first support base 200 then together forms battery holding tank 2002.Wherein, the first positioning support
Portion 2004 is the bottom wall of battery holding tank 2002, and frame then forms the side wall of battery holding tank 2002.
In the other side in the first positioning support portion 2004, the frame in the first positioning support portion 2004 and the first support base 200
It is also formed with expansion slot 2006, likewise, the first positioning support portion 2004 is formed as the bottom wall of expansion slot 2006, frame shape becomes
The side wall of expansion slot 2006, it follows that the expansion slot 2006 is with battery holding tank 2002 along the stacking direction of battery unit 10
Arrangement, and defined by the first positioning support portion 2004.
The expansion slot 2006 to stack order be the latter adjacent battery unit 10 side open wide, can accommodate with
At least part of the adjacent battery unit 10 of unilateral formula battery unit 20, such as protruding portion 1042, that is to say, that battery modules
1 can increase battery unit 10 from the side where expansion slot 2006, to form the battery modules of larger capacity.Expansion slot 2006
When accommodating protruding portion 1042, the first protection 204 forming layer of radiating shell of the first positioning support seat 2000 and adjacent cell
Folded setting, improves the whole impact resistance of battery modules 1.
On the other hand, by the way that expansion slot 2006 is arranged, it is also possible that being contained in adjacent cell in expansion slot 2006
10 do not allow to be also easy to produce biggish positional shift, improve the stability of rigging position.
In unilateral formula battery unit 20, the first protection radiating shell 204 and the first support base 200 are using dismountable side
Formula connection.A kind of embodiment, unilateral formula battery unit 20 include the first clamping mechanism, and the first support base 200 and the first protection dissipate
Hot shell 204 is connected and fixed by the first clamping mechanism.Specifically, the first support base 200 includes the first clamping protrusion 2008, the
One protection radiating shell 204 include the first card hole 2044, first clamping protrusion 2008 with first card hole 2044 clamping direction and
The stacking direction of battery unit 10 is consistent.
In this embodiment, the first clamping protrusion 2008 and the first card hole 2044 collectively form the first clamping mechanism, the clamping
Mode can be convenient assembly or disassembly, be conducive to the packaging efficiency for improving battery unit 10.Certainly, the first support base 200 and
One protection radiating shell 204 can also be using the connection of the other ways such as bolt.
As shown in figure 5, a part of battery unit 10 can also be arranged to bilateral formula battery unit 30, specifically, bilateral formula
Battery unit 30 includes that two second protections of the second support base 300, at least one second pouch-type battery 302 and split settings dissipate
Hot shell 304.Wherein, two second protection radiating shells 304 coat the second pouch-type electricity from the two sides of the second support base 300 respectively
Pond 302, and the second pouch-type battery 302 is held on the second support base 300.
Likewise, the second pouch-type battery 302 can be set into one, and two or more, it is multiple when being set as multiple
Second pouch-type battery 302 is stacked along the thickness direction of itself, and can be respectively arranged at the two sides of the second support base 300.This reality
It applies in example, the second pouch-type battery 302 is set as two, but is not limited only to this.
In two second protection radiating shells 304, one of those can be set and includes body part and protrudes from body part
Protruding portion 3040, it includes protruding portion 3040 that two second protection radiating shells 304, which also can be set, and when stacking, this is prominent
Portion 3040 can directly be contacted by exposed region 2000 with the first pouch-type battery 202 in unilateral formula battery unit 20 out.
According to above description, bilateral formula battery unit 30 passes through two second protection radiating shells 304 of split settings
The surface of second pouch-type battery 302 is coated, the second pouch-type battery 302 is reduced and damaged risk occurs.
In bilateral formula battery unit 30, each second protects radiating shell 304 and the second support base 300 that can also use can
The mode of disassembly connects.A kind of embodiment, bilateral formula battery unit 30 include the second clamping mechanism, the second support base 300 with it is each
Second protection radiating shell 304 is connected and fixed by the second clamping mechanism.
Specifically, the second support base 300 includes the second clamping protrusion 3000, one of them second protection radiating shell 304
Including the second card hole 3042, the stacking side in the clamping direction and battery unit 10 of the second clamping protrusion 3000 and the second card hole 3042
To consistent.
Meanwhile the also mutually clamping of two second protection radiating shells 304, one of them second protection radiating shell 304 wrap
Third clamping protrusion 3044 is included, another the second protection radiating shell 304 includes third card hole 3046, third clamping protrusion 3044
It is consistent with the stacking direction of battery unit 10 with the clamping direction of third card hole 3046.
In this embodiment, second is clamped raised 3000, second card hole 3042 and third clamping raised 3044, third card hole
3046 collectively form the second clamping mechanism.
Further, for the ease of the clampings and disassembly between two second protection radiating shells 304 of realization, the second support base
300 are additionally provided with the recessed portion 3002 of the second clamping mechanism of evacuation.Specifically, third clamping protrusion 3044 and third card hole 3046
Access section be located at the top of the second support base 300, when third clamping protrusion 3044 is clamped or is solved with third card hole 3046
When except clamping, in order to avoid third clamping protrusion 3044 is interfered with the second support base 300, the second support base 300 is provided with
Recessed portion 3002, the recessed portion 3002 form avoiding space, and the third clamping protrusion 3044 after clamping is contained in the recessed portion
In 3002, it is possible thereby to provide activity space for third clamping protrusion 3044.
In a kind of specific embodiment, with continued reference to FIG. 1, battery modules 1 may include multiple unilateral formula battery units
20 and a bilateral formula battery unit 30, when stacking, multiple unilateral side formula battery units 20 are disposed adjacent, bilateral formula battery unit 30
Positioned at the outermost of stacking direction, unilateral formula battery unit 20 and bilateral formula battery unit 30 are naked in the first pouch-type battery 202
The side of dew stacks gradually.So in groups after battery modules 1, bilateral formula battery unit 30 deviates from unilateral formula battery unit 20
One of them the second protection radiating shell 304 can then serve as the outermost end plate of battery modules 1, it is possible thereby to omit end plate
Use, improve the energy density of battery modules 1, while all pouch-type batteries 102 are covered by protection radiating shell 104,
Therefore the intensity of battery modules 1 also greatly improves.
It is worth noting that, including two pouch-type batteries for unilateral formula battery unit 20 and bilateral formula battery unit 30
Embodiment for, each pouch-type battery can be radiated by protection radiating shell, that is, improve radiating efficiency, and mention
The high energy density of battery modules 1.
For battery unit 10, each battery unit 10 can also include elastic buffering pad 108, elastic buffering pad
108 are set between adjacent pouch-type battery, and when pouch-type battery expands, elastic buffering pad 108 occurs under the action of expansive force
Contraction distortion, so as to provide the swell increment of space pouch-type battery.
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, which is characterized in that the battery unit for stacking setting including at least two, each battery unit
Include:
Support base；
At least one pouch-type battery；With
Protect radiating shell；
The protection radiating shell is connect with the support base is formed with accommodation space, and the pouch-type battery is contained in the receiving
In space,
At least one described battery unit has the exposed region of the exposed pouch-type battery, the institute of the adjacent battery unit
Protection radiating shell is stated to contact via the exposed region with the pouch-type battery.
2. battery modules according to claim 1, which is characterized in that at least one described battery unit is arranged to unilateral formula
Battery unit, the unilateral side formula battery unit include:
First support base；
At least one first pouch-type battery；With
First protection radiating shell；
The first protection radiating shell is connected to the unilateral side of first support base,
First support base has the exposed region of exposed first pouch-type battery, and the adjacent battery unit is via institute
Exposed region is stated to contact with first pouch-type battery.
3. battery modules according to claim 2, the protection radiating shell includes ontology and protrudes from the ontology
Protruding portion, the protruding portion are contacted with the first pouch-type battery of the unilateral formula battery unit.
4. battery modules according to claim 3, which is characterized in that the profile of the exposed region and the protruding portion
Profile matches.
5. battery modules according to claim 3, which is characterized in that the protruding portion being in contact and first pouch-type
Battery is at least partly bonded setting.
6. battery modules according to claim 2, which is characterized in that the battery modules further include bilateral formula battery list
Member, the bilateral formula battery unit include:
Second support base；
At least one second pouch-type battery；With
Two second protection radiating shells of split settings；
Each second protection radiating shell the second pouch-type battery described in the sandwich from second support base respectively.
7. battery modules according to claim 6, which is characterized in that in two the second protection radiating shells at least
One includes body part and protruding portion, and the protruding portion is directly contacted by the exposed region with first pouch-type battery.
8. battery modules according to claim 6, which is characterized in that the unilateral side formula battery unit is provided with multiple and heap
Folded setting, the bilateral formula battery unit are set to the outermost of the stacking direction of the battery modules.
9. battery modules according to claim 3, which is characterized in that first support base includes battery holding tank, institute
It states the first pouch-type battery to be contained in the battery holding tank, it is described to be formed that the bottom wall of the battery holding tank offers through-hole
Exposed region.
10. battery modules according to claim 9, which is characterized in that first support base further includes to adjacent institute
The open expansion slot in battery unit side, the expansion slot and the battery holding tank are stated along the stacking direction of the battery unit
Arrangement, and be connected to by the through-hole with the battery holding tank, the protruding portion of the adjacent battery unit is contained in
In the expansion slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094995.2U CN208385497U (en) | 2018-07-11 | 2018-07-11 | Battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094995.2U CN208385497U (en) | 2018-07-11 | 2018-07-11 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385497U true CN208385497U (en) | 2019-01-15 |
Family
ID=64963858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821094995.2U Active CN208385497U (en) | 2018-07-11 | 2018-07-11 | Battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208385497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717962A (en) * | 2018-08-23 | 2018-10-30 | 宁德时代新能源科技股份有限公司 | Battery module |
-
2018
- 2018-07-11 CN CN201821094995.2U patent/CN208385497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717962A (en) * | 2018-08-23 | 2018-10-30 | 宁德时代新能源科技股份有限公司 | Battery module |
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