CN206878084U - Polymer battery core welding structure and polymer battery - Google Patents
Polymer battery core welding structure and polymer battery Download PDFInfo
- Publication number
- CN206878084U CN206878084U CN201720395428.XU CN201720395428U CN206878084U CN 206878084 U CN206878084 U CN 206878084U CN 201720395428 U CN201720395428 U CN 201720395428U CN 206878084 U CN206878084 U CN 206878084U
- Authority
- CN
- China
- Prior art keywords
- battery core
- lug
- closedtop
- connecting portion
- polymer battery
- 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
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model is applied to provide a kind of polymer battery core welding structure, including the upper battery core being fixedly connected and lower battery core, it is arranged in battery core and is used for upper lug derived from the electric energy of upper battery core, it is arranged at lower battery core and is used for lower lug derived from the electric energy of lower battery core, for being welded and fixed the protection board of lower lug and being arranged on protection board and the pad for being connected with lower tab welding, lower lug has the lower connecting portion being connected with pad, upper lug has the upper connecting portion being connected with lower lug, lower connecting portion and lower connecting portion shift to install in the projection of the plane where pad.Polymer battery core welding structure of the present utility model can avoid battery core and rosin joint during the welding of lower battery core and the phenomenon of fried weldering.
Description
Technical field
The utility model belongs to polymer battery core welding technology field, more particularly to a kind of polymer battery core welding structure and
Polymer battery.
Background technology
At present, with the development of modernized society, using polymer as the new energy of carrier because of its superior battery performance and
Security, more and more extensive is applied in various electric equipment products；Especially in recent years, country is answered to greatly develop cleaning
The requirement such as the energy, environmental protection, the battery using polymer as carrier have started to apply in large-scale energy storage, electric bicycle, pure electricity
Above electrical automobile, communication base station, this kind of battery is adopted more by using the polyalcohol flexible packing single lithium battery of high security
With single polymer battery core, because single polymer battery core capacity is low so that its be difficult in use meet it is prolonged
Endurance, generally require voltage and capacity that connection in series-parallel improves battery.
During existing monomer-polymer welding battery, lug is directly directed at protection board pad solder, in two electrostrictive polymers
When pond or heteropolymer battery are bound and conducted, spot welding weldering is directly carried out again after the lug binding of two polymer batteries merges
Connect, often because the overlapping number of plies of lug is more, welding energy is difficult to control during spot welding, and welding energy, which crosses conference and produces product, fries
Weldering, welding energy is too small to cause product rosin joint, can not meet welding quality.
Utility model content
The purpose of this utility model is to provide a kind of polymer battery core welding structure, it is intended to solves battery core in the prior art
The technical problem of rosin joint and fried weldering during welding.
The utility model is achieved in that a kind of polymer battery core welding structure, including the upper battery core being fixedly connected and
Lower battery core, be arranged in battery core and for by upper lug derived from the electric energy of upper battery core, be arranged at lower battery core and for will under
Lower lug, the protection board for being welded and fixed lower lug derived from the electric energy of battery core and it is arranged on protection board and is used for and lower pole
The pad that ear is welded to connect, lower lug have the lower connecting portion being connected with pad, and upper lug has the upper company being connected with lower lug
Socket part, lower connecting portion and upper connecting portion shift to install in the projection of the plane where pad.
Further, the one end of upper battery core stretches out to form closedtop on one, and upper lug is installed on closedtop, lower battery core
One end stretch out to form closedtop, lower lug is installed on lower closedtop, and upper lug bending is affixed to lower lug, upper connecting portion
It is connected with lower tab welding, lower connecting portion is connected with pad solder.
Further, upper battery core has close to the end of upper lug holds matter groove on one, lower battery core is close to the end of lower lug
With appearance matter groove once.
Further, filling block is provided with upper appearance matter groove, filling block is the filling block made of isolation material.
Further, cushion block is provided with lower appearance matter groove, cushion block is the cushion block made of isolation material, is extended along lower closedtop
Direction, the size of cushion block is more than the size of lower closedtop, and in the direction, cushion block protrudes the edge of lower closedtop, under cushion block protrudes
The part at closedtop edge is located between edge and the upper lug of lower closedtop.
Further, the layer insulating of Surface coating one of lower closedtop.
Further, viscose glue is provided between upper battery core and lower battery core, upper battery core is connected solid with lower battery core by the viscose glue
It is fixed.
The utility model additionally provides a kind of polymer battery, including above-mentioned polymer battery core welding structure.
The utility model has the technical effect that relative to prior art：Lower connecting portion and upper connecting portion are flat where pad
The projection in face shifts to install, and avoids more in the overlapping number of plies of same welding position lug, facilitates welding machine control in welding energy,
Rosin joint or fried weldering can be avoided.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will to the utility model embodiment or
The required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings described below is only
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the welded stereogram of polymer battery core that the embodiment of the utility model one provides.
Fig. 2 is Fig. 1 exploded view.
Fig. 3 is the mplifying structure schematic diagram of A in Fig. 2.
Fig. 4 is the mplifying structure schematic diagram of B in Fig. 2.
Fig. 5 is the stereogram for another angle of polymer battery core welding structure that the embodiment of the utility model one provides.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
It should also be noted that, in the utility model embodiment, according to the XYZ rectangular coordinate systems established in Fig. 1 and Fig. 2
Definition：Front is defined as positioned at the side of X-axis positive direction, rear is defined as positioned at the side of X-axis negative direction；It is square positioned at Y-axis
To side be defined as left, be defined as right positioned at the side of Y-axis negative direction；It is defined as positioned at the side of Z axis positive direction
Side, lower section is defined as positioned at the side of Z axis negative direction.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.
First embodiment
Refer to such as Fig. 1 to Fig. 5, the utility model and a kind of polymer battery core welding structure is provided, including be fixedly connected
Upper battery core 10 and lower battery core 20, it is arranged in the upper battery core 10 and is used for upper pole derived from the electric energy of the upper battery core 10
Ear, be arranged at the lower battery core 20 and for will lower lug 23 derived from the electric energy of the lower battery core 20, for being welded and fixed
State the protection board 30 of lower lug 23 and be arranged on the protection board 30 and be used for the pad being welded to connect with the lower lug 23
31, the lower lug 23 has the lower connecting portion 231 being connected with the pad 31, and the upper lug has and the lower lug 23
The throwing of the upper connecting portion 131 of connection, the lower connecting portion 231 and the lower connecting portion 231 in the plane where the pad 31
Shadow shifts to install.
During polymer battery core welding structure welding of the present utility model, lower connecting portion 231 and upper connecting portion 131 are in pad 31
The projection of the plane at place shifts to install, therefore during the welding of polymer battery core welding structure, can weld at twice, first by upper lug
13 upper connecting portion 131 is welded to connect with lower lug 23, in this welding process, the number of plies of the weldment between the electrode of welding machine two
For 2 layers, respectively upper connecting portion 131 and lower lug 23, the weldment number of plies avoided between the electrode of welding machine two is more, facilitates welding machine
Welding energy is controlled, rosin joint or fried weldering can be avoided；The lower connecting portion 231 of lower lug 23 is welded to connect with pad 31 again, this weldering
In termination process, the number of plies of the weldment between the electrode of welding machine two is 2 layers, respectively descends connecting portion 231 and pad 31, equally,
The weldment number of plies that it also avoid between the electrode of welding machine two is more, facilitates welding machine to control welding energy, can avoid rosin joint or fried weldering.
Further, the one end of the upper battery core 10 stretches out to form closedtop 11 on one, and the upper lug is installed on
The upper closedtop 11, the one end of the lower battery core 20 stretch out to form closedtop 21, and the lower lug 23 is installed on institute
Lower closedtop 21 is stated, the upper lug bending is affixed to the lower lug 23 and is bonded with the part lower lug 23.The upper lug
Bending is affixed to the lower lug 23, the area increase for making connecting portion be bonded with lower lug, and then increases upper connecting portion and lower pole
The welding combination area of ear 23, lug and the reliability of lower lug 23 welding in increase.
Further, the polymer battery core welding structure of the utility model embodiment also include be used for encapsulate battery core 10,
The encapsulating shell (not shown) and packaging plastic (not shown) of lower battery core 20 and protection board 30, encapsulating shell include being used to accommodate battery core
10th, lower battery core 20 and the host cavity (not shown) of protection board 30 and packaging plastic, upper battery core 10, lower battery core 20 and protection board 30 are together
In the host cavity of encapsulating shell, and intra-bladder instillation packaging plastic is being housed, making battery core 10, lower battery core 20 and the envelope of protection board 30
In encapsulating shell.
Further, the upper battery core 10 has close to the end of the upper lug holds matter groove 12, the lower battery core on one
20 have appearance matter groove 22 close to the end of the lower lug 23.When upper battery core 10 and lower battery core 20 encapsulate, upper appearance matter groove
It can be used for accommodating packaging plastic, the effect that the upper battery core 10 of enhancing and lower battery core 20 encapsulate with lower appearance matter groove 22.
Further, filling block 14 is provided with the upper appearance matter groove 12, the filling block 14 is made up of isolation material
Filling block 14.Being arranged at the filling block 14 held in matter groove 12 can be prevented excessive with holding the space of matter groove 12 in fill part
Packaging plastic insert and hold matter groove 12, avoiding excessive packaging plastic from being shunk after cooling down influences packaging effect.
Further, cushion block 24 is provided with the lower appearance matter groove 22, the cushion block 24 is padded made of isolation material
Block 24, the direction extended along the lower closedtop 21, the size of the cushion block 24 are more than the size of the lower closedtop 21, and along the party
To the cushion block 24 protrudes the edge of the lower closedtop 21, and the part that the cushion block 24 protrudes the edge of lower closedtop 21 is located at
Between the edge of the lower closedtop 21 and the upper lug.The part that cushion block 24 protrudes the lower edge of closedtop 21 can be to preventing upper lug
Contacted with the closedtop of lower battery core 20, avoid lug that galvanic interaction occurs with the lower EDGE CONTACT of closedtop 21.
Further, viscose glue 40, the upper battery core 10 and institute are provided between the upper battery core 10 and the lower battery core 20
Lower battery core 20 is stated to be connected by the viscose glue 40.
Embodiment two
The present embodiment and the difference of embodiment one be, the layer insulating (not shown) of Surface coating one of lower closedtop 21.Absolutely
Edge layer can avoid lug and the lower EDGE CONTACT of closedtop 21, and what insulating barrier can strengthen upper lug and the insulation at the lower edge of closedtop 21 can
By property, avoid lug that galvanic interaction occurs with the lower EDGE CONTACT of closedtop 21.
The utility model, which also provides one kind, has the above-mentioned welded polymer battery of polymer battery core.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of polymer battery core welding structure, it is characterised in that including the upper battery core being fixedly connected and lower battery core, be arranged at institute
State in battery core and for will upper lug derived from the electric energy of the upper battery core, be arranged at the lower battery core and under will be described
Descend lug, the protection board for being welded and fixed the lower lug derived from the electric energy of battery core and be arranged on the protection board to be used in combination
In the pad being connected with the lower tab welding, the lower lug has the lower connecting portion being connected with the pad, the upper pole
Ear has the upper connecting portion being connected with the lower lug, the lower connecting portion and the upper connecting portion flat where the pad
The projection in face shifts to install.
2. polymer battery core welding structure as claimed in claim 1, it is characterised in that the one end of the upper battery core is to extension
Stretch to form closedtop on one, the upper lug is installed on the upper closedtop, and the one end of the lower battery core stretches out to be formed
Closedtop, the lower lug are installed on the lower closedtop, and the upper lug bending is affixed to the lower lug, the upper connecting portion and institute
Lower tab welding connection is stated, the lower connecting portion is connected with the pad solder.
3. polymer battery core welding structure as claimed in claim 2, it is characterised in that the upper battery core is close to the upper lug
End have one on hold matter groove, the lower battery core close to the end of the lower lug have hold matter groove.
4. polymer battery core welding structure as claimed in claim 3, it is characterised in that be provided with filling in the upper appearance matter groove
Block, the filling block are the filling blocks made of isolation material.
5. polymer battery core welding structure as claimed in claim 4, it is characterised in that be provided with pad in the lower appearance matter groove
Block, the cushion block are the cushion blocks made of isolation material, and along the direction of the lower closedtop extension, the size of the cushion block is more than institute
The size of lower closedtop is stated, and in the direction, the cushion block protrudes the edge of the lower closedtop, the cushion block protrudes the lower closedtop
The part at edge is located between edge and the upper lug of the lower closedtop.
6. polymer battery core welding structure as claimed in claim 4, it is characterised in that one layer of the Surface coating of the lower closedtop
Insulating barrier.
7. polymer battery core welding structure as claimed in claim 1, it is characterised in that the upper battery core and the lower battery core it
Between be provided with viscose glue, the upper battery core is connected with the lower battery core by the viscose glue.
8. a kind of polymer battery, it is characterised in that weld knot including the polymer battery core described in any one of claim 1 to 7
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395428.XU CN206878084U (en) | 2017-04-14 | 2017-04-14 | Polymer battery core welding structure and polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395428.XU CN206878084U (en) | 2017-04-14 | 2017-04-14 | Polymer battery core welding structure and polymer battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878084U true CN206878084U (en) | 2018-01-12 |
Family
ID=61343411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395428.XU Active CN206878084U (en) | 2017-04-14 | 2017-04-14 | Polymer battery core welding structure and polymer battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206878084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397851A (en) * | 2019-07-31 | 2021-02-23 | 东莞新能德科技有限公司 | Battery cell structure and battery structure with same |
-
2017
- 2017-04-14 CN CN201720395428.XU patent/CN206878084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397851A (en) * | 2019-07-31 | 2021-02-23 | 东莞新能德科技有限公司 | Battery cell structure and battery structure with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103682410B (en) | A kind of bendable battery pack | |
| CN102986056B (en) | Electric component, battery with nonaqueous electrolyte and the lead-in wire wherein used and resealable container | |
| CN102064334B (en) | Secondary battery | |
| CN103608948B (en) | With the dividing plate of heat-resistant insulating layer | |
| CN101640287B (en) | Soft package lithium ion battery and manufacturing method thereof | |
| CN205319222U (en) | Battery module with fusing protect function | |
| TW200834947A (en) | Solar battery cell connection method and solar battery module | |
| CN108199072A (en) | Rechargeable battery | |
| CN102097511B (en) | Progressively welded packaging module | |
| TW201806100A (en) | Sealing film, sealing method of electronic component mounting substrate and electronic component mounting substrate covered by sealing film | |
| CN115280565A (en) | Battery cell manufacturing equipment and method | |
| CN206878084U (en) | Polymer battery core welding structure and polymer battery | |
| CN102971861A (en) | Solar cell module and method for manufacturing solar cell module | |
| CN105261726A (en) | Positive tab connection structure of battery and welding method | |
| CN108461459A (en) | A kind of cathode docking biphase rectification diode and its manufacturing process | |
| CN204857872U (en) | Lithium ionic cell | |
| JPWO2019031438A1 (en) | Electrode sheet manufacturing method, all-solid-state battery and all-solid-state battery manufacturing method | |
| CN207530032U (en) | A kind of lithium ion cell polar ear of high sealing liquid-leakage preventing | |
| CN102489857A (en) | Method for welding positive electrode aluminum electrode tab of lithium ion battery and nickel strap | |
| CN107919444A (en) | Battery and its lug sheet body, the battery modules using the battery | |
| JP2019021757A (en) | Sealing film and method for sealing electronic component-mounted substrate | |
| CN205016609U (en) | Laminate polymer battery utmost point ear switching structure | |
| CN205004378U (en) | Flexible package lithium battery | |
| CN207530154U (en) | A kind of HDMI connector of c-type pre-add tin | |
| CN206194806U (en) | Lithium ion battery and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |