CN206650130U - Battery unit and its electrode assemblie and collector - Google Patents
Battery unit and its electrode assemblie and collector Download PDFInfo
- Publication number
- CN206650130U CN206650130U CN201720470162.0U CN201720470162U CN206650130U CN 206650130 U CN206650130 U CN 206650130U CN 201720470162 U CN201720470162 U CN 201720470162U CN 206650130 U CN206650130 U CN 206650130U
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- Prior art keywords
- connecting plate
- collector
- substrate
- electrode
- battery core
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The application is related to secondary cell field, provide a kind of battery unit and its electrode assemblie and collector, the collector includes the substrate extended in transverse direction and is respectively facing the first connecting plate and the second connecting plate of the both sides extension of the substrate along the longitudinal direction, wherein, first connecting plate and/or the second connecting plate extend in vertical plane.According to the technical scheme of the application, due to the first connecting plate of collector and/or extending in vertical plane for the second connecting plate, thus it can be adapted to lug when being connected from multiple lugs relative ease and there is different designs.Simultaneously as connecting plate extends in vertical plane, therefore it is being fitted and connected (Face to face) in vertical plane with the connection of lug and/or electrode terminal, so as to more preferable bond strength.
Description
Technical field
The application is related to secondary cell field, more particularly to battery unit and its electrode assemblie and collector.
Background technology
Currently, flourishing with new energy vehicle, the requirement to the secondary cell as power resources is also increasingly
It is high.
Secondary cell generally includes multiple battery units, and each battery unit is generally electrically connected and shape by multiple battery cores
Into.Therefore, in order to obtain higher energy volume, the battery core number included by secondary cell is also more and more.In this context,
When the quantity of battery core is more and more, how to facilitate and multiple battery cores be reliably electrically connected to the electrode terminal of battery unit,
As the technical issues that need to address.
Utility model content
In view of this, the application is directed to a kind of can adapt in the multi pole ears of more battery cores are electrically connected into electrode terminal
Technical scheme.
To reach above-mentioned purpose, this application provides a kind of collector, the collector includes what is extended in transverse direction
Substrate and be respectively facing along the longitudinal direction the substrate both sides extension the first connecting plate and the second connecting plate, described first
Connecting plate and/or the second connecting plate extend in vertical plane.
Preferably, the substrate extends in the horizontal plane；And/or first connecting plate is for more with battery core respectively
Individual lug fits multiple first connecting plates of connection；And/or second connecting plate is for being fitted company with electrode terminal
Multiple second connecting plates connect.
Preferably, the multiple first connecting plate includes two first end connecting plates for being located at the substrate both ends respectively
And the first middle connecting plate between described two first end connecting plates, first middle connecting plate are at least one
It is individual.
Preferably, the substrate includes base portion and the extension in the middle part of the base portion, at least one described first
Between connecting plate be connected to the extension.
Preferably, it is arranged at intervals between first middle connecting plate and the base portion.
Preferably, first connecting plate is being provided with the first notch part with the substrate adjoiner.
Preferably, two the second ends that the multiple second connecting plate is included respectively positioned at the substrate both ends connect
Plate.
Preferably, each the second end connecting plate is being provided with the second notch part with the substrate adjoiner.
Preferably, the collector is the integral piece formed by punching press, casting or welding.
In addition, present invention also provides electrode assemblie, the electrode assemblie includes：
Electrode terminal, the electrode terminal include cylinder and the deflector being fixedly connected with the cylinder；
Collector, the collector are above-mentioned collector provided herein；
Wherein, second connecting plate of the collector extends in vertical plane and is fitted and connected with the deflector.
In addition, present invention also provides battery unit, the battery unit includes：
Multiple battery cores, the multiple battery core are arranged side by side adjacent to each other, and each battery core has positive pole ear and negative lug；
With
Electrode assemblie, the electrode assemblie for the application above-mentioned electrode assemblie and including anode electrode component and negative electricity
Pole component, wherein, each positive pole ear of the multiple battery core connects with the first of the collector of the anode electrode component respectively
Fishplate bar is fitted and connected each other, and the electrode terminal of the anode electrode component is as Positive Poles；The each of the multiple battery core bears
First connecting plate of the pole lug respectively with the collector of the negative electrode component is fitted and connected each other, the negative electrode component
Electrode terminal as negative pole pole.
According to the technical scheme of the application, due to collector the first connecting plate and/or the second connecting plate in vertical plane
Interior extension, thus can be adapted to lug when being connected from multiple lugs relative ease and there is different designs.Meanwhile by
Extend in connecting plate in vertical plane, therefore be (Face to face) in vertical plane with the connection of lug and/or electrode terminal
It is fitted and connected, so as to more preferable bond strength.
Other features and advantage will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing further understanding of the present application, the schematic reality of the application
Apply mode and its illustrate to be used to explain the application, do not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the schematic perspective view according to the collector of the application preferred embodiment；
Fig. 2 is the schematic perspective view of the electrode terminal involved by the application；
Fig. 3 is the schematic perspective view according to the electrode assemblie of the application preferred embodiment；
Fig. 4 is to represent that the collector shown in Fig. 1 fits the schematic diagram being connected with multiple lugs；
Fig. 5 is the explosive decomposition figure for the battery unit cover plate for including the electrode assemblie shown in Fig. 3；
Fig. 6 and Fig. 7 is respectively the schematic perspective view of above-mentioned battery unit cover plate.
Description of reference numerals：
10 substrates；11 first connecting plates；
12 second connecting plates；111,111 ' first end connecting plates；
112 first middle connecting plates；101 base portions；
102 extensions；113 first notch parts；
123 second notch parts；121,121 ' the second end connecting plates
20 electrode terminals；201 cylinders；
202 deflectors；100 battery cores；
31 anode electrode components；32 negative electrode components.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can
To be mutually combined.
Being previously mentioned orientation in this application is described on the basis of the coordinate system in Fig. 1, and wherein horizontal direction is
Refer to the direction where X-axis line, longitudinal direction refers to the direction where Y-axis line, and vertical direction refers to the direction where z axis, water
Plane refers to the plane that X-axis line and Y-axis line are limited, and vertical plane refers to the plane perpendicular to the horizontal plane.Need exist for
, it is noted that although orientation described in this application is on the basis of the coordinate system shown in Fig. 1, but the coordinate system is only made
To refer to, and it cannot function as the limitation in the orientation in actual condition.
Below with reference to the accompanying drawings and embodiment is combined to describe the technical scheme of the application in detail.
As shown in figure 1, the collector of the application is included in transverse direction, (direction where X-axis line, rather than X-axis line are signified
Direction) extension substrate 10 and along the longitudinal direction (direction where Y-axis line) be respectively facing substrate 10 both sides extension
First connecting plate 11 and the second connecting plate 12, the connecting plate 12 of the first connecting plate 11 and/or second extend in vertical plane.
As shown in Figure 1, basis of the substrate 10 as the first connecting plate 11 and the second connecting plate 12, and the He of the first connecting plate 11
Second connecting plate 12 extends along the opposite direction of longitudinal axis respectively from substrate 10.Substrate 10 be usually plate-like piece, its structure, shape
The design parameters such as shape can be selected according to actual condition.Under preferable case, substrate 10 extends (such as Fig. 1 in the horizontal plane
Show horizontal plate-like piece), but the application is not limited to this, substrate 10 can also be designed as in vertical plane extension or
Favour in the tapered plane of horizontal plane and extend.
First connecting plate 11 and the second connecting plate 12 are located at the both sides of substrate 10 respectively, wherein one of be used to connect battery core
Lug, and another one is used for connection electrode pole.Although in the preferred embodiment then described, the first connecting plate 11 connects
The lug of battery core is connected to, and the second connecting plate 12 is connected to electrode terminal, but the application is not limited to this, and the first connecting plate 11 can
To be connected to electrode terminal, and the second connecting plate 12 can be connected to the lug of battery core.
Unlike traditional connected mode, in the technical scheme of the application, the first connecting plate 11 and/or second connects
Fishplate bar 12 extends in vertical plane.Therefore, when battery core design has more lugs, the first connecting plate 11 and/or second connects
Fishplate bar 12 can be adapted to lug relative ease and have different designs.Simultaneously as connecting plate prolongs in vertical plane
Stretch, therefore be being fitted and connected (Face to face) in vertical plane with the connection of lug and/or electrode terminal, so as to
More preferable bond strength, to be adapted to the various vibrations or torsion in the six-freedom degree of space.
Shown as shown in Figure 1, Figure 3 and Figure 4 under preferable case, first connecting plate 11 is for multiple with battery core respectively
Lug fits multiple first connecting plates of connection；And/or second connecting plate 12 is for being fitted company with electrode terminal
Multiple second connecting plates connect.
First connecting plate 11 is usually multiple, and the plurality of first connecting plate 11 is facing with each other with a corresponding lug respectively
Face is bonded to each other connection.Selectively, the second connecting plate 12 is usually multiple, the plurality of second connecting plate 12 and electrode terminal
(corresponding part), which faces each other, to be fitted and connected.
The quantity of first connecting plate 11 and its it there is no particular requirement that with the connected mode of substrate 10, can be according to specifically should
Design is selected with operating mode.For example, in the preferred case, as shown in figure 1, multiple first connecting plates include being located at institute respectively
State two first end connecting plates 111 and 111 ' at the both ends of substrate 10 and positioned at described two Hes of first end connecting plate 111
The first middle connecting plate 112 between 111 ', first middle connecting plate 112 at least one are preferably several.
Multiple first connecting plates 11 can be arranged in parallel each other, and two first are respectively designed with the both ends of substrate 10
End connecting plate 111 and 111 ', while have the first middle connecting plate 112 in medium design., can by multiple first connecting plates
It is adapted to the situation of multiple cell polar ears, so as to be fitted and connected respectively in respective cell polar ear.But the application is not limited to this,
Such as can not be in the end set first end connecting plate of substrate 10, but multiple first are connected with the middle part of substrate 10 and is connected
Fishplate bar.
As described above, the first middle connecting plate 112 at least one, preferably several.Connected being designed among first
In the preferred embodiment of plate 112, in order to more securely and firmly support the first middle connecting plate 112, substrate 10 is designed as wrapping
Base portion 101 and the extension 102 in the middle part of base portion are included, at least one first middle connecting plate 112 is connected to described prolong
Extending portion 102, as shown in Figure 1.Because substrate 10 has base portion 101 and protrudes from the extension 102 of base portion 101 in a horizontal plane,
So as to form the robust structure close to triangle, first end connecting plate 111 and 111 ' is connected at two angles of the triangle,
And the first middle connecting plate 112 is connected with another angle of the triangle, so as to support each the more solid and reliablely
One connecting plate.
As illustrated in fig. 1, it is preferred that it is arranged at intervals between the first middle connecting plate 112 and the base portion 101.On the one hand, just
In the processing and manufacturing of collector, while product weight is advantageously reduced, also advantageously improve the overall construction intensity of product.It is similar
Ground, in the preferred case, as shown in figure 1, first connecting plate 11 is being provided with the first breach with the adjoiner of substrate 10
Portion 113.
In the case where the first connecting plate 11 is used to be connected to the lug of battery core, multiple second connecting plates include being located at respectively
Two the second end connecting plates 121 and 121 ' at the both ends of substrate 10.Under normal circumstances, because the second connecting plate 12 is used to connect
Receiving electrode pole, therefore generally as shown in figure 1, in general, the quantity than the first connecting plate is few.Although in the figure of the application
Show in embodiment, the second connecting plate 12 includes two, but the application is not limited to this, it is possible to have one or more.
This can be selected design according to specific operating mode or mounting location.
In the preferred case, based on the consideration similar with the first notch part 113, as shown in figure 1, each the second end
Connecting plate 121 and 121 ' is being provided with the second notch part 123 with the adjoiner of substrate 10.
The above-mentioned notch part person of being commonly designed connecting plate and the adjacent position of substrate, it can also reduce connecting plate and exist with substrate
The structural stress of junction, so as to obtain more preferable structural mechanical property.
As collector, it is generally used in secondary cell, for multiple battery cores to be electrically connected to form into battery unit.Cause
This, collector is made of an electrically conducting material, and usually metal is made, such as copper or aluminium.Under preferable case, in the technical side of the application
In case, the collector is the integral piece to be formed by punching press, casting or welding.
Collector provided herein fully described above.Electrode assemblie is described in detail below in conjunction with accompanying drawing.Such as
Shown in Fig. 2 to Fig. 5, the electrode assemblie includes：
Electrode terminal 20, the electrode terminal include cylinder 201 and the deflector 202 being fixedly connected with the cylinder 201；
Collector, the collector are above-mentioned collector；
Wherein, second connecting plate 12 of the collector extends in vertical plane and is bonded with the deflector 202
Connection.
In the electrode assemblie, collector is used to be bonded to each other to be connected with the lug of each battery core (such as to pass through ultrasonic wave
The mode of welding).Simultaneously because the deflector 202 of electrode terminal 20 and collector are connected with each other, so as to realize cylinder 201 with it is each
The electrical connection of individual electrode tabs.It is similar with the connected mode of the first connecting plate and lug, in the electrode assemblie, the collector
Second connecting plate 12 extend in vertical plane and be fitted and connected with the deflector 202 (as by ultrasonic bonding
Mode), it is fitted and connected so as to realize with the reliable of deflector 202.
As shown in figure 4, when collector and each lug are welded to connect, adjacent pair lug relative to each other
Between the first connection sheet away from one another positioned at adjacent pair, so that each to forming weld zone between lug relative to each other
Domain.Such as in Fig. 4, a pair of of left side lug forms a welding region, and a pair of of right side lug forms another welding region.
In each welding region, when carrying out such as ultrasonic bonding, soldering tip is located at this between lug, and weld nest is located at connection sheet one
Side.Therefore when weld when being fitted and connected of one welding region, it is not necessary to move the position of weld nest, be only moved to soldering tip separately
One welding region is welded.Or multiple soldering tips can be designed with and welded simultaneously.It follows that to collection
Fluid and being fitted and connected for lug have higher production efficiency.
In addition, as shown in figure 4, present invention also provides a kind of battery unit, the battery unit includes：
Multiple battery cores 100, the multiple battery core 100 are arranged side by side adjacent to each other, and each battery core has positive pole ear and born
Pole lug (unmarked)；With
Electrode assemblie, the electrode assemblie is for above-mentioned electrode assemblie and including anode electrode component 31 and negative electrode component
32, wherein, each positive pole ear of the multiple battery core the first connecting plate with the collector of the anode electrode component respectively
It is fitted and connected each other, the electrode terminal of the anode electrode component is as Positive Poles；Each negative pole pole of the multiple battery core
First connecting plate of the ear respectively with the collector of the negative electrode component is fitted and connected each other, the electricity of the negative electrode component
Pole pole is as negative pole pole (as shown in Figures 5 to 7).Therefore, the positive pole pole of each battery core is realized using anode electrode component
The electrical connection of ear and Positive Poles, the negative lug of each battery core and being electrically connected for negative pole pole are realized using negative electrode component
Connect.
As shown in Figure 6 and Figure 7, in battery unit, anode electrode component and negative electrode component can be integrated in battery list
In first cover plate.Under normal circumstances, in addition to electrode assemblie, the remaining part of battery unit cover plate is that insulating materials is made,
In addition to the technical scheme for being related to the application, it fabricates the manufacture for referring to traditional battery unit cover plate.Separately
Outside, multiple battery units are electrically connected to each other and are assembled together, so as to form complete secondary cell.
The better embodiment of the application is the foregoing is only, it is all the application's not to limit the application
Within spirit and principle, any modification, equivalent substitution and improvements made etc., it should be included within the protection domain of the application.
Claims (11)
1. collector, it is characterised in that the collector includes the substrate (10) that extends in transverse direction and along the longitudinal direction
The first connecting plate (11) and the second connecting plate (12) of the both sides extension of the substrate (10) are respectively facing, wherein, described first
Connecting plate (11) and/or the second connecting plate (12) extend in vertical plane.
2. collector according to claim 1, it is characterised in that
The substrate (10) extends in the horizontal plane；And/or
First connecting plate (11) is for multiple first connecting plates that are connected of being fitted respectively with multiple lugs of battery core；
And/or
Second connecting plate (12) is for multiple second connecting plates that are connected of being fitted with electrode terminal.
3. collector according to claim 2, it is characterised in that the multiple first connecting plate is included respectively positioned at described
Two first end connecting plates (111,111 ') at substrate (10) both ends and positioned at described two first end connecting plates (111,
111 ') the first middle connecting plate (112) between, first middle connecting plate (112) are at least one.
4. collector according to claim 3, it is characterised in that the substrate (10) includes base portion (101) and positioned at institute
The extension (102) in the middle part of base portion is stated, at least one first middle connecting plate (112) is connected to the extension (102).
5. collector according to claim 4, it is characterised in that first middle connecting plate (112) and the base portion
(101) it is arranged at intervals between.
6. the collector according to claim 3 or 4, it is characterised in that first connecting plate (11) with the substrate
(10) adjoiner is provided with the first notch part (113).
7. collector according to claim 2, it is characterised in that the multiple second connecting plate is included respectively positioned at described
Two the second end connecting plates (121,121 ') at substrate (10) both ends.
8. collector according to claim 7, it is characterised in that each the second end connecting plate (121,121 ') exists
The substrate (10) adjoiner is provided with the second notch part (123).
9. collector according to claim 1, it is characterised in that the collector is by punching press, casting or welding shape
Into integral piece.
10. electrode assemblie, it is characterised in that the electrode assemblie includes：
Electrode terminal (20), the electrode terminal include cylinder (201) and the deflector being fixedly connected with the cylinder (201)
(202)；
Collector, the collector are the collector described in any one in claim 1-9；
Wherein, second connecting plate (12) of the collector extends in vertical plane and is bonded with the deflector (202)
Connection.
11. battery unit, it is characterised in that the battery unit includes：
Multiple battery cores (100), the multiple battery core are arranged side by side adjacent to each other, and each battery core has positive pole ear and negative pole pole
Ear；With
Electrode assemblie, the electrode assemblie and for the electrode assemblie described in claim 10 and including anode electrode component (31) bear
Pole electrode assemblie (32), wherein,
Each positive pole ear of the multiple battery core respectively with the first connecting plate of the collector of the anode electrode component each other
It is fitted and connected, the electrode terminal of the anode electrode component is as Positive Poles；
Each negative lug of the multiple battery core respectively with the first connecting plate of the collector of the negative electrode component each other
It is fitted and connected, the electrode terminal of the negative electrode component is as negative pole pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470162.0U CN206650130U (en) | 2017-04-28 | 2017-04-28 | Battery unit and its electrode assemblie and collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720470162.0U CN206650130U (en) | 2017-04-28 | 2017-04-28 | Battery unit and its electrode assemblie and collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650130U true CN206650130U (en) | 2017-11-17 |
Family
ID=60277814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720470162.0U Active CN206650130U (en) | 2017-04-28 | 2017-04-28 | Battery unit and its electrode assemblie and collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206650130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133675A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| WO2020133673A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
-
2017
- 2017-04-28 CN CN201720470162.0U patent/CN206650130U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133675A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| WO2020133673A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| US11881588B2 (en) | 2018-12-29 | 2024-01-23 | Contemporary Amperex Technology Co., Limited | Secondary battery and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190121 Address after: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: GREAT WALL MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |