CN209658285U - Soft pack cell - Google Patents
Soft pack cell Download PDFInfo
- Publication number
- CN209658285U CN209658285U CN201920284781.XU CN201920284781U CN209658285U CN 209658285 U CN209658285 U CN 209658285U CN 201920284781 U CN201920284781 U CN 201920284781U CN 209658285 U CN209658285 U CN 209658285U
- Authority
- CN
- China
- Prior art keywords
- battery core
- strap
- negative
- positive
- soft pack
- 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.)
- Expired - Fee Related
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Classifications
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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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- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of soft pack cell, including shell, multiple battery core groups, connecting plate and cover board；The shell open at one end and there is accommodating space；The multiple battery core group is stacked and is contained in the accommodating space, is connected in series between the multiple battery core group and each battery core group includes several single battery cores parallel with one another；The connecting plate is set to one end of the multiple battery core group and being connected in parallel for realizing several single battery cores in the series connection and each battery core group between multiple battery core groups；The cover board is set to accommodating space described in one end of the opening of the shell and the cover plate for sealing.Soft pack cell provided by the utility model avoids the problem of causing shell and cover board that can not encapsulate due to the thinner thickness of single battery core, also, soft pack cell is compact-sized, occupies little space, and has higher energy density.
Description
[technical field]
The utility model relates to battery core technical field more particularly to a kind of soft pack cells.
[background technique]
Currently, there are three types of packing forms, respectively cylindrical battery, square housing battery and soft-package battery for lithium battery.Soft Roll electricity
The energy density of the single battery core in pond is higher, in the grouping procedure of soft-package battery, is usually connected in series by multiple soft pack cells,
And existing soft pack cell generally includes two panels parallel connection single battery core, two panels single battery core be contained in shell open at one end and
One end of the opening of shell is sealed by cover board.However, leading to the thickness and lid of shell due to the thinner thickness of single battery core
The thickness of plate is required to very thin, the thickness of the shell and thickness of cover board is excessively thin will be unable to single battery core being packaged into soft pack cell.
In consideration of it, it is really necessary to provide the novel soft pack cell of one kind to overcome drawbacks described above.
[utility model content]
It can be avoided the purpose of the utility model is to provide a kind of since the thinner thickness of single battery core leads to shell and lid
The problem of plate can not encapsulate and soft pack cell that is compact-sized, occupying little space, have higher energy density.
To achieve the goals above, the utility model provides a kind of soft pack cell, including shell, multiple battery core groups, connection
Plate and cover board；The shell open at one end and there is accommodating space；The multiple battery core group is stacked and is contained in described
It is connected in series in accommodating space, between the multiple battery core group and each battery core group includes several monomer electricity parallel with one another
Core；The connecting plate is set to one end of the multiple battery core group and for realizing the series connection between multiple battery core groups and often
Several single battery cores in a battery core group are connected in parallel；The cover board is set to one end of the opening of the shell and described
Accommodating space described in cover plate for sealing.
In a preferred embodiment, the quantity of the battery core group be two, each battery core group include two mutually simultaneously
The single battery core of connection.
In a preferred embodiment, the side close to the single battery core of the connecting plate is provided with the first anode
Connection strap, the second positive strap, the first negative strap and the second negative strap；Two monomer electricity in one battery core group
The positive pole ear of core and first positive strap are electrically connected, and the negative lug of two single battery cores in the battery core group
It is electrically connected with first negative strap；The positive pole ear of two single battery cores in another battery core group and described second
Positive strap is electrically connected, and the negative lug of two single battery cores in the battery core group and second negative strap electricity
Property connection；First positive strap is electrically connected with second negative strap and is connected between two battery core groups with realizing
Connection.
In a preferred embodiment, the side far from the single battery core of the connecting plate is convexly equipped with Positive Poles
And negative pole, the Positive Poles and second positive strap are electrically connected and are located at and second positive strap
Opposite position, the negative pole is electrically connected with first negative strap and is located at and connect with first cathode
The opposite position of item.
In a preferred embodiment, the edge of second positive strap is provided with positive insulation wall, and described
The edge of one negative strap is provided with negative insulation wall.
In a preferred embodiment, be convexly equipped with positive terminal and negative pole end on the cover board, the Positive Poles against
In in the positive terminal, the negative pole is resisted against in the negative pole end.
In a preferred embodiment, the position at first negative strap and second negative strap interval
It is also provided with multiple perforative gas vents.
In a preferred embodiment, it is additionally provided on the cover board and adopts pressure side, pressure side of adopting is for connecting
Pressure equipment is adopted to acquire the voltage of the soft pack cell.
In a preferred embodiment, explosion-proof valve is also convexly equipped on the cover board, the explosion-proof valve is used to be the receipts
Hold the air pressure relief in space.
Compared with the prior art, soft pack cell provided by the utility model, multiple battery core groups are stacked and are contained in
Hold in space, and connecting plate is set to one end of multiple battery core groups and connecting plate realizes series connection between multiple battery core groups
And several single battery cores in each battery core group are connected in parallel, and are avoided since the thinner thickness of single battery core leads to shell
And cover board the problem of can not encapsulating, also, soft pack cell is compact-sized, occupies little space, and has higher energy density.
To enable the above objects, features, and advantages of utility model to be clearer and more comprehensible, it is preferable that the utility model is cited below particularly
Embodiment, and cooperate appended attached drawing, it is described in detail below.
[Detailed description of the invention]
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure chart of soft pack cell provided by the utility model；
Fig. 2 is the three-dimensional structure diagram of the connecting plate in soft pack cell shown in FIG. 1；
Fig. 3 is the plane structure chart of the connecting plate of soft pack cell shown in FIG. 1.
[specific embodiment]
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
Referring to Fig. 1, Fig. 1 is the structure chart of soft pack cell 100 provided by the utility model；It is provided by the utility model soft
Packet battery core 100 includes shell 10, multiple battery core groups 20, connecting plate 30 and cover board 40.
Shell 10 open at one end and there is accommodating space 101；Multiple battery core groups 20 are stacked and are contained in receiving sky
Between be connected in series in 101, between multiple battery core groups 20 and each battery core group 20 includes several single battery cores 21 parallel with one another；
Connecting plate 30 be set to one end of multiple battery core groups 20 and for realizing between multiple battery core groups 20 series connection and each electricity
Several single battery cores 21 in core group 20 are connected in parallel；Cover board 40 is set to one end of the opening of shell 10 and cover board 40 is close
Seal accommodating space 101.Specifically, shell 10 is hollow rectangular-shape, the material of shell 10 is aluminium, has lighter quality.
Soft pack cell 100 provided by the utility model, multiple battery core groups 20 are stacked and are contained in accommodating space 101
Interior, connecting plate 30 is set to one end of multiple battery core groups 20 and connecting plate 30 realizes the series connection between multiple battery core groups 20
And several single battery cores 21 in each battery core group 20 are connected in parallel, and are avoided since the thinner thickness of single battery core causes
The problem of shell 10 and cover board 40 can not encapsulate, also, soft pack cell 100 is compact-sized, occupies little space, and has higher
Energy density.
In present embodiment, the quantity of battery core group 20 is two, and each battery core group 20 includes two monomers parallel with one another
Battery core 21, i.e. soft pack cell 100 include four single battery cores 21 altogether.In other embodiments, the quantity of battery core group 20 can be with
It is three or four, corresponding, i.e., soft pack cell 100 includes six or eight single battery cores altogether.
Please refer to figs. 2 and 3 together, and the side of the close single battery core 21 of connecting plate 30 is provided with the first positive strap
31, the second positive strap 32, the first negative strap 33 and the second negative strap 34；Two lists in one battery core group 20
The positive pole ear 211 of body battery core 21 and the first positive strap 31 are electrically connected, and two single battery cores in the battery core group 20
21 negative lug 212 and the first negative strap 33 are electrically connected；Two single battery cores 21 in another battery core group 20
Positive pole ear 211 and the second positive strap 32 are electrically connected, and the cathode pole of two single battery cores 21 in the battery core group 20
Ear 212 and the second negative strap 34 are electrically connected；First positive strap 31 and the second negative strap 34 be electrically connected with
It realizes and is connected in series between two battery core groups 20.
Further, the side of the separate single battery core 21 of connecting plate 30 is convexly equipped with Positive Poles 35 and negative pole 36,
Positive Poles 35 and the second positive strap 32 are electrically connected and are located at the opposite position with the second positive strap 32, cathode
Pole 36 and the first negative strap 33 are electrically connected and are located at the opposite position with the first negative strap 33.It can manage
Solution, the second positive strap 32 connects the anode of i.e. extraction soft pack cell 100 with Positive Poles 35, the first negative strap 33 and
The cathode of soft pack cell 100 is drawn in the connection of negative pole 36.
The edge of second positive strap 32 is provided with positive insulation wall 321, the edge setting of the first negative strap 33
There is negative insulation wall 331, positive insulation wall 321 can guarantee the insulation of the second positive strap 32 and the first positive strap 31
Property, negative insulation wall 331 can guarantee the first negative strap 33 and the first positive strap 31, the second negative strap 34
Insulating properties.Specifically, the material of positive insulation wall 321 and negative insulation wall 331 is plastics, the first positive strap 31 and second
The material of positive strap 32 is aluminium, and the material of the first negative strap 33 and the second negative strap 34 is copper.
In present embodiment, the position at the first negative strap 33 and the second negative strap 34 interval is also provided with multiple
Perforative gas vent 37, gas vent 37 are used for the air being discharged in accommodating space 101.
Positive terminal 41 and negative pole end 42 are convexly equipped on cover board 40, Positive Poles 35 are resisted against in positive terminal 41, negative pole
36 are resisted against in negative pole end 42, and positive terminal 41 is the anode of soft pack cell 100, and negative pole end 42 is the cathode of soft pack cell 100.This
It in embodiment, is additionally provided on cover board 40 and adopts pressure side 43, adopted pressure side 43 for connecting and adopt pressure equipment to acquire Soft Roll electricity
The voltage of core 100.Explosion-proof valve 44 is also convexly equipped on cover board 40, explosion-proof valve 44 is used to be the air pressure relief in accommodating space 101, when
When air pressure in accommodating space 101 increases and reaches certain numerical value, explosion-proof valve 44 can be broken through to pressure release, prevent soft pack cell
100 explosions.
Soft pack cell 100 provided by the utility model, multiple battery core groups 20 are stacked and are contained in accommodating space 101
Interior, connecting plate 30 is set to one end of multiple battery core groups 20 and connecting plate 30 realizes the series connection between multiple battery core groups 20
And several single battery cores 21 in each battery core group 20 are connected in parallel, and are avoided since the thinner thickness of single battery core causes
The problem of shell 10 and cover board 40 can not encapsulate, also, soft pack cell 100 is compact-sized, occupies little space, and has higher
Energy density.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of soft pack cell, which is characterized in that including shell, multiple battery core groups, connecting plate and cover board；One end of the shell
It is open and there is accommodating space；The multiple battery core group is stacked and is contained in the accommodating space, the multiple battery core
It is connected in series between group and each battery core group includes several single battery cores parallel with one another；The connecting plate is set to described more
One end of a battery core group and for realizing in the series connection and each battery core group between multiple battery core groups several monomers electricity
Core is connected in parallel；The cover board is set to accommodating space described in one end of the opening of the shell and the cover plate for sealing.
2. soft pack cell as described in claim 1, which is characterized in that the quantity of the battery core group is two, each battery core group
Including two single battery cores parallel with one another.
3. soft pack cell as claimed in claim 2, which is characterized in that the side close to the single battery core of the connecting plate
It is provided with the first positive strap, the second positive strap, the first negative strap and the second negative strap；One battery core group
The positive pole ear of two interior single battery cores and first positive strap are electrically connected, and two monomers in the battery core group
The negative lug of battery core and first negative strap are electrically connected；The anode of two single battery cores in another battery core group
Tab and second positive strap are electrically connected, and the negative lug of two single battery cores in the battery core group and described the
Two negative straps are electrically connected；First positive strap and second negative strap are electrically connected to realize two
It is connected in series between battery core group.
4. soft pack cell as claimed in claim 3, which is characterized in that the side far from the single battery core of the connecting plate
Be convexly equipped with Positive Poles and negative pole, the Positive Poles be electrically connected with second positive strap and be located at it is described
The opposite position of second positive strap, the negative pole and first negative strap are electrically connected and are located at and institute
State the opposite position of the first negative strap.
5. soft pack cell as claimed in claim 4, which is characterized in that the edge of second positive strap is provided with anode
The edge of insulation wall, first negative strap is provided with negative insulation wall.
6. soft pack cell as claimed in claim 5, which is characterized in that be convexly equipped with positive terminal and negative pole end, institute on the cover board
It states Positive Poles to be resisted against in the positive terminal, the negative pole is resisted against in the negative pole end.
7. soft pack cell as claimed in claim 6, which is characterized in that first negative strap and second cathode connect
The position at narrow bars interval is also provided with multiple perforative gas vents.
8. soft pack cell as described in claim 1, which is characterized in that it is additionally provided on the cover board and adopts pressure side, it is described to adopt
Pressure side is used to connect the voltage for adopting pressure equipment to acquire the soft pack cell.
9. soft pack cell as described in claim 1, which is characterized in that explosion-proof valve is also convexly equipped on the cover board, it is described explosion-proof
Valve is used for as the air pressure relief in the accommodating space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284781.XU CN209658285U (en) | 2019-03-06 | 2019-03-06 | Soft pack cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920284781.XU CN209658285U (en) | 2019-03-06 | 2019-03-06 | Soft pack cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658285U true CN209658285U (en) | 2019-11-19 |
Family
ID=68526222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920284781.XU Expired - Fee Related CN209658285U (en) | 2019-03-06 | 2019-03-06 | Soft pack cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658285U (en) |
-
2019
- 2019-03-06 CN CN201920284781.XU patent/CN209658285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20200306 |