CN207743292U - Battery modules - Google Patents
Battery modules Download PDFInfo
- Publication number
- CN207743292U CN207743292U CN201820172326.6U CN201820172326U CN207743292U CN 207743292 U CN207743292 U CN 207743292U CN 201820172326 U CN201820172326 U CN 201820172326U CN 207743292 U CN207743292 U CN 207743292U
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- China
- Prior art keywords
- connecting portion
- pole
- connecting piece
- battery modules
- electrode
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or 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
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
This application involves energy storage device technical field more particularly to a kind of battery modules.The battery modules include single battery and electrode connecting piece, the single battery includes the first pole and the second pole, positioning convex platform is provided at least one of first pole and second pole, first pole is made with second pole of dissimilar material；The electrode connecting piece includes first connecting portion and second connecting portion, and the first connecting portion is connect with the second connecting portion, and location hole is provided at least one；Wherein：The material identical of the first connecting portion and first pole, and interconnect；The material identical of the second connecting portion and second pole, and interconnect；On the direction of the electrode connecting piece thickness direction, the location hole and the positioning convex platform location fit.Failure welding phenomenon is less prone in battery modules provided herein between electrode connecting piece and single battery, thus its quality is preferable.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of battery modules.
Background technology
With the development of science and technology power battery is widely used as a kind of clean sustainable energy.It is known that dynamic
Power battery is made of multiple single batteries, and is connected by electrode connecting piece between each single battery, to obtain more
Big current value or voltage value.But what the positive and negative terminals of single battery were typically made by different materials, and electrode connecting piece
Usually being made by a kind of conductive material, this makes during the pole of electrode connecting piece and single battery connects, by
It is dissimilar material in the two, the phenomenon that often will appear failure welding, this has an adverse effect to the product quality of battery modules.
Utility model content
This application provides a kind of battery modules, to solve easily to occur showing for failure welding between electrode connecting piece and pole
As.
This application provides a kind of battery modules, including single battery, the single battery includes the first pole and second
Pole, is provided with positioning convex platform at least one of first pole and second pole, first pole with it is described
Second pole is made of dissimilar material；
Electrode connecting piece, the electrode connecting piece include first connecting portion and second connecting portion, the first connecting portion with
The second connecting portion connection, and location hole is provided at least one；
Wherein：
The material identical of the first connecting portion and first pole, and interconnect；
The material identical of the second connecting portion and second pole, and interconnect；
On the direction of the electrode connecting piece thickness direction, the location hole and positioning convex platform positioning are matched
It closes.
Optionally, the positioning convex platform, the first connecting portion are provided on first pole or second pole
Or the location hole is provided in the second connecting portion.
Optionally, the location hole is through hole, and along the thickness direction of the electrode connecting piece, the location hole runs through institute
State electrode connecting piece.
Optionally, the upper surface of the positioning convex platform is concordant with the upper surface of the electrode connecting piece.
Optionally, along the thickness direction of the electrode connecting piece, at least part of the second connecting portion is stacked at institute
It states in first connecting portion.
Optionally, the first connecting portion is integrally stacked in the second connecting portion, along the thickness of the electrode connecting piece
Direction is spent, the location hole runs through the first connecting portion and the second connecting portion.
Optionally, the electrode connecting piece further includes overhanging flow passage,
The overhanging flow passage, the first connecting portion and the second connecting portion and first pole or described second
Pole is directly connected to；
The overhanging flow passage is respectively arranged at the location hole in the first connecting portion and the second connecting portion.
Optionally, one end of the overhanging flow passage is concordant with one end of the first connecting portion.
Optionally, the location hole is strip structure, and is extended along the length direction of the electrode connecting piece.
Optionally, the electrode connecting piece further includes adjustment portion,
The adjustment portion is protruded to closer or far from the single battery direction, and the first connecting portion passes through the adjusting
Portion is connect with the second connecting portion.
Technical solution provided by the present application can reach following advantageous effect：
In battery modules provided herein, the making material of the first pole and the second pole is connect with first respectively
The making material of portion and second connecting portion corresponds to so that during connection electrode connection sheet and pole, connection is made to be happened at
Between same material, the phenomenon that this can prevent failure welding, and then the product quality of battery modules can be promoted.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structural schematic diagram for the battery modules that Fig. 1 is provided by the embodiment of the present application；
The structural schematic diagram of single battery in the battery modules that Fig. 2 is provided by the embodiment of the present application；
The structural schematic diagram of electrode connecting piece in the battery modules that Fig. 3 is provided by the embodiment of the present application；
The sectional view for the electrode connecting piece that Fig. 4 is provided by the embodiment of the present application；
Another structural schematic diagram of electrode connecting piece in the battery modules that Fig. 5 the embodiment of the present application is provided；
The sectional view for another electrode connecting piece that Fig. 6 is provided by the embodiment of the present application.
Reference numeral：
1- single batteries；
The first poles of 11-；
The second poles of 12-；
100- positioning convex platforms；
2- electrode connecting pieces；
21- first connecting portions；
22- second connecting portions；
The overhanging flow passages of 23-；
24- adjustment portions；
200- location holes.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
As shown in figures 1 to 6, the embodiment of the present application provides a kind of battery modules, which includes 1 He of single battery
Electrode connecting piece 2 is connected between different monomers battery 1 by electrode connecting piece 2, so as to obtain the voltage value of meet demand
Or current value.As shown in Fig. 2, single battery 1 includes the first pole 11 and the second pole 12, the first pole 11 and the second pole
12 can be formed from different materials, and can be provided with convex at least one of the first pole 11 and the second pole 12
Platform 100；Corresponding, as seen in figures 3-6, electrode connecting piece 2 may include first connecting portion 21 and second connecting portion 22, and first connects
Socket part 21 is interconnected with second connecting portion 22, and is provided at least one of first connecting portion 21 and second connecting portion 22
Location hole 200；During connecting different monomers battery 1 by electrode connecting piece 2, the first of same material can be made to connect
Portion 21 is connect with the first pole 11；Likewise, the second connecting portion 22 of material identical is made to be connect with the second pole 12, and vertical
In on the direction of 2 thickness direction of electrode connecting piece, by the positioning convex platform 100 and location hole 200, Ke Yishi for being mutually located cooperation
The precise positioning of existing electrode connecting piece 2.
Specifically, electrode connecting piece 2 can be formed by two different metal materials, the works such as cold pressing or hot pressing can be passed through
Skill combines dissimilar metal, and formation includes the electrode connecting piece 2 of first connecting portion 21 and second connecting portion 22；Certainly,
Electrode connecting piece 2 can also be made of other conductive materials.By punching press, milling or the modes such as processing can be bored in electrode connection
Form location hole 200 on piece 2, those skilled in the art can location hole 200 determines according to actual conditions shape and size
The design parameters such as size.Consider processing efficiency and cost factor, the first pole 11 and the second pole 12 of single battery 1 can be with
It is formed respectively by different metal material, such as the first pole 11 and the second pole 12 can be made of metallic copper and metallic aluminium respectively.
Positioning convex platform 100 can directly be formed in the manufacturing process of the first pole 11 and/or the second pole 12.Location hole 200 can be with
It is provided only in first connecting portion 21 or second connecting portion 22, can also be all provided in first connecting portion 21 and second connecting portion 22
Set location hole 200；Likewise, positioning convex platform 100 is also such.But positioning convex platform 100 needs set corresponding with location hole 200
It sets, to realize the precise positioning to electrode connecting piece 2.
It is above-mentioned it is found that in battery modules provided herein, the first pole 11 is connected with first connecting portion 21, and two
Person's material identical, at the same time, the second pole 12 are connected with second connecting portion 22, and the material identical of the two, this can be to prevent
Only there is the phenomenon that failure welding when the pole for connecting single battery 1 is with electrode connecting piece 2, and then battery modules can be promoted
Product quality.
Further, positioning convex platform 100 can be set only on the first pole 11 or the second pole 12, correspondingly, can be with
Location hole 200 is set only in first connecting portion 21 or second connecting portion 22, the labour that can reduce staff is arranged such
Amount.
Specifically, location hole 200 can be processed only in first connecting portion 21, correspondingly, only being set on the first pole 11
Positioning convex platform 100 is set, in assembled battery module, due to only passing through one group of location hole 200 and positioning convex platform 100, you can realize
To the precise positioning of electrode connecting piece 2；Simultaneously as individual difference and build-up tolerance between different monomers battery 1 etc. because
Element, the spacing be easy to causeing between neighboring unit cell 1 is different, and by the way that location hole only is arranged in the side of electrode connecting piece 2
200, difficulty is larger when can be effectively prevented electrode connecting piece 2 while coordinate with the positioning convex platform 100 on two poles asks
Topic.
Electrode connecting piece 2 is quickly installed to the specified location of pole for the ease of staff, can will be positioned
Hole 200 is disposed through hole, along the thickness direction of electrode connecting piece 2,200 penetrating electrode connection sheet 2 of location hole.
Specifically, can be processed along aforementioned thicknesses direction penetrating electrode connection sheet 2 by equipment such as drilling machine or milling machines
Location hole 200 is arranged such so that staff directly can observe convex on pole from the top of electrode connecting piece 2
The position of platform 100, so as to be more easily accomplished the positioning work of electrode connecting piece 2；Meanwhile by being welded to connect electrode
During connection sheet 2 and pole, it can be directly connected to electrode connecting piece 2 and pole from the top of electrode connecting piece 2, this can be with
Promote the convenience of welding job.
More specifically, the upper surface that positioning convex platform 100 can be arranged is concordant with the upper surface of electrode connecting piece 2, that is, makes to stretch
The upper surface for entering the positioning convex platform 100 in location hole 200 is concordant with the upper surface of electrode connecting piece 2, this can be further decreased
The difficulty of staff's welding job；At the same time it can also promote the area of passage between electrode connecting piece 2 and pole, to be promoted
The conveyance capacity of entire battery modules.
Optionally, in the thickness direction of electrode connecting piece 2, at least part of first connecting portion 21, which can fold, is located at second
On interconnecting piece 22, so set, the contact area between first connecting portion 21 and second connecting portion 22 can be increased, to be promoted
Bonding strength and area of passage between the two etc..
Specifically, first connecting portion 21 and second connecting portion 22 can be formed by metal material, may be used cold pressing or
First connecting portion 21 is pressed in second connecting portion 22 by the techniques such as hot pressing, can be with to form the electrode connecting piece 2 of lamination setting
A part for a part for first connecting portion 21 and second connecting portion 22 is stacked into setting；First connecting portion 21 can also be made whole
It is folded to be located in a part for second connecting portion 22；Or the folded entirety for being located at second connecting portion 22 of entirety of first connecting portion 21
On, which kind of in above-mentioned three kinds of lamination setting methods those skilled in the art can take according to actual demand determination, to adapt to
Different operating modes.
A kind of preferred specific embodiment is that first connecting portion 21 can be folded integrally and is located in second connecting portion 22, i.e., two
Person is laminated completely, this, which is conducive to staff, more rapidly can easily complete the processing work of electrode connecting piece 2, and be easy shape
At the electrode connecting piece 2 including two kinds of metals；Correspondingly, in order to ensure electrode connecting piece 2 and the first pole 11 and the second pole
Still it is same metal connection between 12, location hole 200 can be made to run through first connecting portion along the thickness direction of electrode connecting piece 2
21 and second connecting portion 22.
Optionally, electrode connecting piece 2 provided herein can also include overhanging flow passage 23, overhanging flow passage 23,
First connecting portion 21 and second connecting portion 22 can be directly connected to the first pole 11 or the second pole 12, overhanging flow passage 23
It can be arranged in first connecting portion 21, it is corresponding, location hole 200 can be provided in second connecting portion 22.
Obvious, worker's amount of labour can be reduced due to only processing a location hole 200, thus can be only in the second connection
It is processed in portion 22 and forms location hole 200；But due to passing through positioning convex platform between second connecting portion 22 and the second pole 12
100 connections, area of passage are relatively large；And be then only in contact by the two between first connecting portion 21 and the first pole 11
Surface overcurrent, conveyance capacity is relatively small, thus can by increase overhanging flow passage 23 promoted first connecting portion 21 with
Conveyance capacity between first pole 11, overhanging flow passage 23 can be integrally formed with first connecting portion 21, to ensure outer extend through
There is reliable connective stability between stream portion 23 and first connecting portion 21.
More specifically, one end of overhanging flow passage 23 can be concordant with one end of first connecting portion 21, this can ensure electricity
The conveyance capacity of 21 place side of first connecting portion in pole connection sheet 2, and keep the shape of electrode connecting piece 2 relatively regular, convenient for adding
Work.
In order to promote the bonding strength between electrode connecting piece 2 and single battery 1, location hole 200 can with positioning convex platform 100
To be respectively provided with growth strip structure, and extend along the length direction of electrode connecting piece 2, meanwhile, the location hole 200 of strip is also
The length that weld seam between electrode connecting piece 2 and the first pole 11 or the second pole 12 can be increased as possible, to ensure the two
Between connection reliability.
Specifically, since the electrode connecting piece 2 between different monomers battery 1 is usually approximate rectangular structure, thus
It is strip structure that positioning convex platform 100, which can be arranged, with location hole 200, and is extended along the length direction of electrode connecting piece 2, from
And in the welding process, most of structure in electrode connecting piece 2 can be allow directly to be connected with pole, further to be promoted
Connective stability between electrode connecting piece 2 and pole；Meanwhile the positioning convex platform 100 and location hole 200 of strip structure may be used also
To limit the relative displacement between electrode connecting piece 2 and pole to a greater degree, to ensure entire battery modules normal work safely
Make.The concrete shape of strip location hole 20 can be rectangle, and length-width ratio can be 3:1~10:Between 1；Certainly, it positions
Hole 20 can also be other shapes, such as long lumbar hole, in this regard, those skilled in the art are in the actual production process according to itself need
Ask done improvement project also within the protection domain of the application.
The ability of spacing between single battery 1, electricity provided herein are adjusted in order to further enhance electrode connecting piece 2
Electrode connecting piece 2 in the module of pond can also include adjustment portion 24, and first connecting portion 21 can be connected by adjustment portion 24 and second
Socket part 22 connects, and adjustment portion 24 can be protruded to the direction closer or far from single battery 1, be arranged such so that electrode connects
Contact pin 2 has been also equipped with the function of adjusting different monomers 1 difference in height of battery.
Specifically, adjustment portion 24, adjustment portion 24 can be formed by way of bending or punching press etc. in electrode connecting piece 2
Can be arcuate structure, in the course of work of battery modules, the adjustment portion 24 of arc can be adjusted by way of bending itself
The spacing between single battery 1 is saved, and adjustment portion 24 can be protruded to close to the direction of single battery 1, so set, can subtract
The installation space in shared battery modules in the thickness direction thereof of few electrode connecting piece 2, and then battery modules can be promoted
Energy density, those skilled in the art can determines according to actual conditions adjustment portion 24 protrude size.Likewise, in certain feelings
Under condition, adjustment portion 24 can also be protruded to the direction far from single battery 1, can be with by making adjustment portion 24 far from single battery 1
Ensure electrode connecting piece 2 other than being connect with pole, not with any other location contacts on single battery 1 or connect, Jin Erke
To promote the safety of battery modules.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery modules, which is characterized in that including：
Single battery, the single battery includes the first pole and the second pole, in first pole and second pole
Positioning convex platform is provided at least one, first pole is made with second pole of dissimilar material；
Electrode connecting piece, the electrode connecting piece include first connecting portion and second connecting portion, the first connecting portion with it is described
Second connecting portion connects, and location hole is provided at least one；
Wherein：
The material identical of the first connecting portion and first pole, and interconnect；
The material identical of the second connecting portion and second pole, and interconnect；
The location hole and the positioning convex platform location fit.
2. battery modules according to claim 1, which is characterized in that be arranged on first pole or second pole
There is the positioning convex platform, the location hole is provided in the first connecting portion or the second connecting portion.
3. battery modules according to claim 1, which is characterized in that the location hole is through hole, is connected along the electrode
The thickness direction of contact pin, the location hole run through the electrode connecting piece.
4. battery modules according to claim 3, which is characterized in that the upper surface of the positioning convex platform connects with the electrode
The upper surface of contact pin is concordant.
5. battery modules according to claim 3, which is characterized in that described along the thickness direction of the electrode connecting piece
At least part of second connecting portion is stacked in the first connecting portion.
6. battery modules according to claim 5, which is characterized in that the first connecting portion is integrally stacked at described second
On interconnecting piece, along the thickness direction of the electrode connecting piece, the location hole connects through the first connecting portion and described second
Socket part.
7. battery modules according to claim 1, which is characterized in that the electrode connecting piece further includes overhanging flow passage,
The overhanging flow passage, the first connecting portion and the second connecting portion and first pole or second pole
It is directly connected to；
The overhanging flow passage is respectively arranged at the location hole in the first connecting portion and the second connecting portion.
8. battery modules according to claim 7, which is characterized in that one end of the overhanging flow passage connects with described first
One end of socket part is concordant.
9. battery modules according to claim 1, which is characterized in that the location hole is strip structure, and along described
The length direction of electrode connecting piece extends.
10. battery modules according to claim 1, which is characterized in that the electrode connecting piece further includes adjustment portion,
The adjustment portion to closer or far from the single battery direction protrude, the first connecting portion by the adjustment portion with
The second connecting portion connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172326.6U CN207743292U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
| PCT/CN2018/080690 WO2019148615A1 (en) | 2018-01-31 | 2018-03-27 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172326.6U CN207743292U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743292U true CN207743292U (en) | 2018-08-17 |
Family
ID=63124300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820172326.6U Active CN207743292U (en) | 2018-01-31 | 2018-01-31 | Battery modules |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207743292U (en) |
| WO (1) | WO2019148615A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819595A (en) * | 2019-03-19 | 2019-05-28 | 厦门弘信电子科技股份有限公司 | A kind of product bending instrument |
| CN115172998A (en) * | 2022-07-26 | 2022-10-11 | 上海兰钧新能源科技有限公司 | Secondary battery and method for manufacturing secondary battery |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112455249B (en) * | 2020-12-11 | 2024-08-13 | 安徽慧鹏新能源科技有限公司 | Battery pack for electric light truck |
| CN112713341B (en) * | 2020-12-31 | 2023-04-28 | 中创新航科技股份有限公司 | Cover plate assembly and preparation method thereof, battery and battery module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205621791U (en) * | 2016-05-20 | 2016-10-05 | 莫列斯有限公司 | Connecting piece and battery linking module converge |
| CN107403889B (en) * | 2016-05-20 | 2020-06-30 | 莫列斯有限公司 | Battery connection module |
| CN205723735U (en) * | 2016-06-21 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Polar column for secondary battery attachment structure |
| CN206907842U (en) * | 2017-07-19 | 2018-01-19 | 宁德时代新能源科技股份有限公司 | Electrode connecting piece and battery modules |
-
2018
- 2018-01-31 CN CN201820172326.6U patent/CN207743292U/en active Active
- 2018-03-27 WO PCT/CN2018/080690 patent/WO2019148615A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819595A (en) * | 2019-03-19 | 2019-05-28 | 厦门弘信电子科技股份有限公司 | A kind of product bending instrument |
| CN115172998A (en) * | 2022-07-26 | 2022-10-11 | 上海兰钧新能源科技有限公司 | Secondary battery and method for manufacturing secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019148615A1 (en) | 2019-08-08 |
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