CN206441803U - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN206441803U CN206441803U CN201720169763.8U CN201720169763U CN206441803U CN 206441803 U CN206441803 U CN 206441803U CN 201720169763 U CN201720169763 U CN 201720169763U CN 206441803 U CN206441803 U CN 206441803U
- Authority
- CN
- China
- Prior art keywords
- lug
- connecting portion
- battery
- holding tank
- clamping
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The application is related to energy storage device technical field, more particularly to a kind of battery, it includes connecting portion and at least two battery cores, the battery core includes battery core main body, the first lug and the second lug, first lug or second lug of battery core described at least two are electrically connected by the connecting portion, at least two holding tanks are set on the connecting portion, and each holding tank clamps each first lug or each second lug correspondingly.After adopting the structure, certain connection reliability can be already reached between connecting portion and lug, therefore without by connecting portion with tab welding together with, also just can prevent lug surface from producing high temperature in welding process, prevent the internal temperature of battery core from raising with this.So, it will be lifted using the cycle performance of battery after above-mentioned connecting portion.
Description
Technical field
The application is related to energy storage device technical field, more particularly to a kind of battery.
Background technology
Generally included to meet in demand of the people for battery capacity, battery in multiple battery cores, each battery core comprising just
Pole lug and negative lug, the positive pole ear of each battery core may be coupled to together, and negative lug may be coupled to together, to meet
The energy supply requirement of battery.
The connection between each lug, the side of the connection sheet and a lug can be realized in conventional art using connection sheet
Welding, opposite side and another tab welding so that the lug being connected is conducted by the connection sheet.
However, during lug and connection sheet are welded together, easily there is problems with：
When the 1st, welding, lug surface can produce high temperature, cause battery core internal temperature to raise.SEI films under high-temperature condition
The stability of (Solid Electrolyte Interface, solid electrolyte interface film) can decline, and then influence following for battery
Ring performance.
2nd, because the lug quantity for needing to weld is more, the welding operation of required implementation also compares many, causes the dress of battery
With less efficient.
Once the problem of the 3rd, failure welding occur in welding process, may result in corresponding battery core and scraps, therefore can make
Processing cost into battery is higher.
4th, when implementing above-mentioned welding operation by the way of soldering, the electricity obtained after the multiple batteries assembling ultimately formed
Pond group has that internal resistance is big, wire connection is complicated, welding times are more, the low problem of efficiency.
Utility model content
This application provides a kind of battery, to improve the cycle performance of battery.
The battery that the application is provided includes connecting portion and at least two battery cores, and the battery core includes battery core main body, the first pole
Ear and the second lug, first lug or second lug of battery core described at least two are electrically connected by the connecting portion
Connect, at least two holding tanks be set on the connecting portion, each holding tank clamp correspondingly each first lug or
Each second lug.
Preferably, the connecting portion sets at least to two, respectively first connecting portion and second connecting portion, described first
Connecting portion and the second connecting portion split are set；
The holding tank in the first connecting portion clamps the folder in first lug, the second connecting portion
Hold groove and clamp second lug.
Preferably, in addition to posting, the battery core main body is installed on the posting, the connecting portion with it is described fixed
Position frame location fit.
Preferably, in addition to the first clamping for being arranged on the connecting portion is raised, the posting includes the second clamping
Projection, first clamping is raised to be engaged by clamping with second clamping projection.
Preferably, to be disposed as multiple, adjacent first clampings convex for the posting and the first clamping projection
Rise and be engaged by clamping one by one with the adjacent posting respectively, and the direction of the adjacent raised suffered active force of first clamping
Conversely.
Preferably, the first clamping projection is arranged at the edge of the connecting portion, and adjacent first clamping is convex
Inserting space is formed between rising, the inserting space is connected with the holding tank.
Preferably, the cross section of the holding tank is bar tee section, and the extension line of the bar tee section is curve, the horizontal stroke
Section is perpendicular to first lug or the extended surface of second lug.
Preferably, the holding tank includes at least two arcwall grooves, and each arcwall groove is along first lug
Or the direction of the second lug insertion holding tank is sequentially communicated.
Preferably, the connecting portion includes at least two agent structures and at least one solid attachment structure, the clamping
Groove is opened in the agent structure, and the adjacent agent structure is connected by the solid attachment structure.
Preferably, the open side of the holding tank sets spigot surface, and the spigot surface can be with first lug or institute
State the second lug to be slidably matched, to provide guide effect power to first lug or second lug.
The technical scheme that the application is provided can reach following beneficial effect：
In battery provided herein, holding tank is set, the holding tank can apply chucking power to lug on connecting portion,
And then realize the connection between connecting portion and lug.After adopting the structure, one can be already reached between connecting portion and lug
Fixed connection reliability, thus without by connecting portion with tab welding together with, also just can prevent lug surface from welding
High temperature is produced in journey, prevents the internal temperature of battery core from raising with this.So, compared to the scheme employed in background technology, make
It will be lifted with the cycle performance of battery after above-mentioned connecting portion.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
The part-structure schematic diagram for the battery that Fig. 1 is provided by the embodiment of the present application；
Fig. 2 is the partial enlarged drawing at C in Fig. 1；
In the battery that Fig. 3 is provided by the embodiment of the present application, the structural representation of posting；
Fig. 4 is the partial enlarged drawing at B in Fig. 3；
In the battery that Fig. 5 is provided by the embodiment of the present application, the raised schematic diagram of the second clamping；
In the battery that Fig. 6 is provided by the embodiment of the present application, the cooperation schematic diagram of battery core and posting；
In the battery that Fig. 7 is provided by the embodiment of the present application, connecting portion and the raised connection diagram of the first clamping.
Reference：
11- connecting portions；
110- holding tanks；
111- agent structures；
The solid attachment structures of 112-；
113- spigot surfaces；
12- battery cores；
120- battery core main bodys；
The lugs of 121- first；
The lugs of 122- second；
13- postings；
130- frameworks；
The clampings of 131- second are raised；
The clampings of 14- first are raised.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figs. 1-7, the embodiment of the present application provide a kind of battery, the battery can be duricrust battery or
Soft-package battery.This battery specifically includes connecting portion 11 and battery core 12, and battery core includes battery core main body 120, the first lug 121 and second
Lug 122.Battery core main body 120 can generally include the first pole piece, the second pole piece and barrier film, and the first pole piece can be negative electrode
Piece, the second pole piece is anode strip, and the first lug 121 can be cathode tab, and the second lug 122 is anode lug, the first lug
121 are typically secured on the first pole piece, and the second lug 122 is fixed on the second pole piece.Certainly, the first pole piece can also be anode
Piece, the second pole piece is cathode sheets, and the first lug 121 can be anode lug, and the second lug 122 is cathode tab.Barrier film is set
It is placed between the first pole piece and the second pole piece.Whole battery core 12 can be takeup type battery core or lamination type electric core.
Above-mentioned battery core 12 can typically be set at least two, and each battery core 12 is arranged in order, in each battery core 12, at least two electricity
First lug 121 of core 12 be may be coupled to together, and the second lug 122 can also be connected together, with realize each battery core 12 it
Between connection in series-parallel.The effect of connecting portion 11 is exactly to connect together at least two first lugs 121 or the second lug 122.
Certainly, connecting portion 11 is it can also be provided that at least two, and a portion connecting portion 11 is used to connect each first lug 121, separately
A part of connecting portion 11 is used to connect each second lug 122.
In the battery that the embodiment of the present application is provided, at least two holding tanks 110, each holding tank 110 are set on connecting portion 11
Each first lug 121 or each second lug 122 are clamped correspondingly.What the quantity of holding tank 110 can be clamped as needed
The quantity adjustment of lug, the quantity can be two, three, four it is even more, each holding tank 110 is sequentially arranged at intervals.
Connecting portion 11 can only connect each first lug 121, and now the holding tank 110 is only clamped with the first lug 121 and coordinated；Connecting portion
11 can also only connect each second lug 122, and now the holding tank 110 is only clamped with the second lug 122 and coordinated；Connecting portion 11
Two can be set at least to, first connecting portion and second connecting portion that respectively split is set are set in first connecting portion
Holding tank clamps the holding tank set in the first lug 121, second connecting portion and clamps the second lug 122.First connecting portion and
Two connecting portions could be arranged to one or more.
After above-mentioned battery, holding tank 110 is set, the holding tank 110 can apply to lug to be pressed from both sides on connecting portion 11
Holding force, and then realize the connection between connecting portion 11 and lug.After adopting the structure, already may be used between connecting portion 11 and lug
To reach certain connection reliability, thus without by connecting portion 11 with tab welding together with.Therefore the battery has following
Beneficial effect：
1st, without implementing welding operation to connecting portion 11 and lug, also just it can prevent lug surface from being produced in welding process
Raw high temperature, prevents the internal temperature of battery core from raising with this, it is not easy to which the stability to SEI films produces harmful effect, therefore uses
The cycle performance of battery will have been lifted after above-mentioned connecting portion 11.
2nd, the connection between each lug can be completed after above-mentioned connecting portion 11 is clamped on lug, without using
Repeatedly complicated welding operation, therefore the efficiency of assembling of the battery increases.
3rd, due to welding operation, therefore the failure welding problem occurred when also can just avoid welding need not be implemented, and
And when connecting portion 11 and lug assembling, the success rate of connection is higher, is also just not easy the situation that battery core is scrapped occur, and then drops
The processing cost of low battery.
4th, similarly, since welding operation need not be used, also just it is not present and each pole is realized by soldering in the prior art
The problems of when being connected between ear, i.e. the assembled rear battery pack formed of battery that the embodiment of the present application is provided has internal resistance
The advantages of compared with small, simple wire connection, few welding times, efficiency high.
Further, as shown in figure 1, above-mentioned battery may also include posting 13, battery core 12 is installed on the posting 13.
Set after posting 13 herein, more reliably can connect together multiple battery cores 12 so that the structure of whole battery
Intensity is higher.Now, connecting portion 11 can be without annexation with posting 13, but is applied to strengthen connecting portion 11 to lug
Plus active force, connecting portion 11 and the location fit of posting 13 can be made.It is fixed after connecting portion 11 and 13 location fit of posting
Position frame 13 can apply active force to connecting portion 11 so that connecting portion 11 deforms, and the deformation will promote the relative of holding tank 110
Two side walls are tightened up, and then apply bigger chucking power to lug.
Specifically, the location fit between connecting portion 11 and posting 13 can be realized by multiple structural forms, for example
Screw is set on posting 13, the end of the screw can be against on connecting portion 11, screw is adjusted to even by turning screw
The active force that socket part 11 applies, and then adjust the chucking power that holding tank 110 can be provided.But, such a structure can cause battery
Assembly manipulation it is not succinct enough, meanwhile, the reliability of positioning between connecting portion 11 and posting 13 is also not ideal enough.Therefore, on
State battery and may also include the first clamping projection 14 being arranged on connecting portion 11, posting 13 includes the clamping of framework 130 and second
Projection 131, both be able to can also be integrally formed with being secured together after parts processing.First clamping projection 14 and the second clamping
Projection 131 is engaged by clamping.Compared to former location structure, realized by the way of clamping between connecting portion 11 and posting 13
Positioning can simplify the assembly process of battery, while after connecting portion 11 and the clamping of posting 13, it is not easy to relative displacement occur,
Reliability of positioning between the two is lifted with this.
In alternative embodiment, have as shown in Figure 2 and Figure 6, in framework 130 and the corresponding segmentation D of the second lug 122, the
Two clamping projections 131 are arranged on segmentation D, and the second clamping projection 131 can be provided only on segmentation D part, such as Fig. 2
It is shown；The other end can also be extended to from segmentation D one end, as shown in Figure 3.Latter arrangement mode can make the second clamping
The active area of projection 131 and the first clamping projection 14 is bigger, therefore the embodiment of the present application can be in preferred latter arrangement mode.
Preferably, the clamping projection 14 of posting 13 and first can be disposed as to the first multiple, adjacent clampings raised
14 are engaged by clamping one by one with adjacent posting 13 respectively, and the direction phase of active force suffered by adjacent the first clamping projection 14
Instead.Active force, and institute can be applied to adjacent the first clamping projection 14 respectively by adopting the structure rear adjacent posting 13
Two force directions producing are on the contrary, promote relative two side walls of single holding tank 110 can be with close to each other, and then provide
Bigger chucking power so that the bonding strength between lug and connecting portion 11 is higher.
Above-mentioned first clamping projection, 14 position on connecting portion 11 can flexibly be selected, for example, be arranged at connecting portion 11
In middle part, another structure, as shown in fig. 7, the first clamping projection 14 can be arranged at edge (i.e. Fig. 7 institutes of connecting portion 11
The lower edge shown), inserting space A is formed between the first adjacent clamping projection 14, inserting space A is connected with holding tank
It is logical.That is, when installing connecting portion 11, lug initially enters above-mentioned inserting space A relative to connecting portion 11, then enters back into
In holding tank 110, because inserting space A size is bigger than holding tank 110, therefore inserting space A can be connection
Assembling between portion 11 and lug provides guiding so that efficiency of assembling between the two is higher.
It is to be appreciated that the holding tank 110 on above-mentioned connecting portion 11 can be planar slot, when lug enters the holding tank
After in 110, because lug is usually flexible structure, therefore easily there is lug and deform and then connect with holding tank 110
The situation that contacting surface product reduces, the bonding strength for also resulting in lug and connecting portion 11 is not high enough., can be with order to solve this problem
Holding tank 110 is set to curved-surface structure, i.e. the cross section of holding tank 110 is set to shaped form section, cross section herein is hung down
Directly in the first lug 121 or the extended surface of the second lug 122.On the one hand, holding tank 110 is used after curved-surface structure, holding tank 110
The area that itself can coordinate with lug increased, and lug will deform into later in holding tank 110 so that pole
Active force between ear and the cell wall of holding tank is bigger, the bonding strength between final lifting connecting portion 11 and lug.
Preferably, above-mentioned holding tank 110 can include at least two arcwall grooves, and each arcwall groove is along the first lug
121 or second lug 122 insertion holding tank 110 direction be sequentially communicated.This structure causes the cell wall of holding tank 110 more to put down
It is slow, prevent holding tank 110 from causing to scratch to lug.
Previously mentioned, the holding tank 110 on connecting portion 11 is set at least between two, adjacent holding tank 110 can be with
It is spaced, but the interval can cause the structural strength of whole connecting portion 11 relatively low, it is unfavorable for the reliable of connecting portion 11 and lug
Coordinate, therefore in the battery of the embodiment of the present application offer, connecting portion 11 can include agent structure 111 and solid attachment structure
112, as shown in fig. 7, the agent structure 111 is used to open up holding tank 110, solid attachment structure 112 then connects with agent structure 111
Connect so that the solid attachment structure 112 is filled between adjacent holding tank 110, the structural strength of whole connecting portion 11 will therewith
Lifting.
Be related in previous embodiment install connecting portion 11 when to lug provide be oriented to scheme, as shown in fig. 7, in order to
Lug provides guide effect power, spigot surface 113 can also be set in the open side of holding tank 110, the spigot surface 113 can be with the
One lug 121 or the second lug 122 are slidably matched, to provide guide effect power to the first lug 121 or the second lug 122.This
The open side at place refers to the side that lug is first passed around, and lug first coordinates before holding tank 110 is entered with spigot surface 113,
Under the guide effect of spigot surface 113, lug is gradually slipped into holding tank 110.The spigot surface 113 is preferably cambered surface.
It should be noted that when connecting portion 11 is assembled in battery core 12, can be by the way of pressing, it would however also be possible to employ
The mode of promotion.When by the way of pressing, pressing force can be applied to connecting portion 11 so that connecting portion 11 is to close to lug
Direction is moved, and is coordinated with lug, or is further coordinated with posting 13., can be from lug when by the way of promotion
Insertion direction of the side along holding tank 110 promotes connecting portion 11, in this course, and holding tank 110 keeps contacting with lug,
It can also keep coordinating with posting 13 simultaneously, until connecting portion 11 reaches specified location.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery, it is characterised in that including connecting portion and at least two battery cores, the battery core includes battery core main body, first
Lug and the second lug, first lug or second lug of battery core described at least two are electrically connected by the connecting portion
Connect, at least two holding tanks be set on the connecting portion, each holding tank clamp correspondingly each first lug or
Each second lug.
2. battery according to claim 1, it is characterised in that the connecting portion sets at least to two, respectively first
Connecting portion and second connecting portion, the first connecting portion and the second connecting portion split are set；
The holding tank in the first connecting portion clamps the holding tank in first lug, the second connecting portion
Clamp second lug.
3. battery according to claim 1, it is characterised in that also including posting, the battery core main body is installed on described
On posting, the connecting portion and the posting location fit.
4. battery according to claim 3, it is characterised in that also the first clamping including being arranged on the connecting portion is convex
Rise, the posting includes the second clamping projection, first clamping is raised to be engaged by clamping with second clamping projection.
5. battery according to claim 4, it is characterised in that the posting and the first clamping projection are disposed as
Multiple, adjacent first clamping projection is engaged by clamping one by one with the adjacent posting respectively, and adjacent described the
Active force is in opposite direction suffered by one clamping is raised.
6. battery according to claim 5, it is characterised in that the first clamping projection is arranged at the side of the connecting portion
At edge, inserting space is formed between adjacent first clamping is raised, the inserting space is connected with the holding tank.
7. battery according to claim 1, it is characterised in that the cross section of the holding tank is bar tee section, the bar
The extension line of tee section is curve, and the cross section is perpendicular to first lug or the extended surface of second lug.
8. battery according to claim 7, it is characterised in that the holding tank includes at least two arcwall grooves, each institute
Arcwall groove is stated to be sequentially communicated along the direction that first lug or second lug insert the holding tank.
9. the battery according to any one of claim 1-8, it is characterised in that the connecting portion includes at least two main bodys
Structure and at least one solid attachment structure, the holding tank are opened in the agent structure, the adjacent agent structure
It is connected by the solid attachment structure.
10. the battery according to any one of claim 1-8, it is characterised in that the open side of the holding tank sets and led
To face, the spigot surface can be slidably matched with first lug or second lug, with to first lug or institute
State the second lug and guide effect power is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169763.8U CN206441803U (en) | 2017-02-24 | 2017-02-24 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720169763.8U CN206441803U (en) | 2017-02-24 | 2017-02-24 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441803U true CN206441803U (en) | 2017-08-25 |
Family
ID=59634641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720169763.8U Active CN206441803U (en) | 2017-02-24 | 2017-02-24 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034265A (en) * | 2019-04-22 | 2019-07-19 | 置富电子技术(东莞)有限公司 | With the soft-package battery mould group of no-welding type electrode tab connection structure and connection method |
-
2017
- 2017-02-24 CN CN201720169763.8U patent/CN206441803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034265A (en) * | 2019-04-22 | 2019-07-19 | 置富电子技术(东莞)有限公司 | With the soft-package battery mould group of no-welding type electrode tab connection structure and connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206250267U (en) | Battery core and secondary cell | |
| US11469481B2 (en) | Battery unit and manufacturing method thereof, and battery module | |
| CN207353371U (en) | A kind of flexible connection structure for secondary cell | |
| CN203377303U (en) | Connecting piece for pole lug and pole post of lithium battery and lithium battery using same | |
| CN106099020B (en) | Soft package battery pack | |
| CN102097511B (en) | Progressively welded packaging module | |
| CN208208864U (en) | Lithium ion battery packet lightweight electric connection structure | |
| CN102005493B (en) | Solar photovoltaic assembly | |
| CN109768109A (en) | Photovoltaic module and its processing method | |
| CN206441803U (en) | Battery | |
| CN108963023A (en) | A kind of double glass photovoltaic modulies and preparation method thereof | |
| CN205177928U (en) | Connection structure of soft package lithium -ion battery utmost point ear | |
| CN109216600A (en) | Battery modules | |
| WO2019019967A1 (en) | Battery cell connecting strip, battery connection structure and battery combination | |
| CN108428767A (en) | A kind of more main grid half stacked wafer moudle row string methods | |
| CN208189922U (en) | A kind of busbar connector of high-multiplying power discharge mould group | |
| CN209329016U (en) | The power battery connection sheet and cover plate of power battery of single chip architecture | |
| CN206921837U (en) | A kind of double glass photovoltaic modulies | |
| CN207690894U (en) | A kind of direct-connected structure of battery core and its battery pack | |
| CN215008321U (en) | Battery module rubberizing structure | |
| CN214898785U (en) | Electricity core support, electric core and electricity core subassembly | |
| CN205911352U (en) | Soft packet of power lithium ion battery module busbar | |
| CN205194773U (en) | Small size lithium ion battery keysets structure | |
| CN201072769Y (en) | Adapter plate for flexible package lithium ion battery assembly | |
| CN208690275U (en) | Stacked wafer moudle solar battery sheet and stacked wafer moudle welding structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |