CN209312883U - A kind of power battery switching chip architecture and power battery - Google Patents
A kind of power battery switching chip architecture and power battery Download PDFInfo
- Publication number
- CN209312883U CN209312883U CN201822053807.8U CN201822053807U CN209312883U CN 209312883 U CN209312883 U CN 209312883U CN 201822053807 U CN201822053807 U CN 201822053807U CN 209312883 U CN209312883 U CN 209312883U
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- Prior art keywords
- pole
- weld part
- power battery
- chip architecture
- tab
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- 238000003466 welding Methods 0.000 claims abstract description 51
- 239000003792 electrolyte Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002893 slag Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to power battery technology field, more particularly to a kind of power battery switching chip architecture, including the switching piece ontology for connecting top cover pole and battery pole ear, the switching piece ontology includes tab welding portion and pole weld part, the pole weld part is linked together by connector and the tab welding portion, and the pole weld part can carry out the rotation of α angle, 0≤α≤180 ° relative to tab weld part.Compared with the prior art, the utility model makes pole weld part and tab welding portion link together by using connector, pole weld part can be made to carry out certain angle rotation relative to tab weld part, ultrasonic bond after the welding manner of existing top cover pole and cell polar ear can be made to become first Laser Welding from Laser Welding after first ultrasonic bond, prevent to introduce Laser Welding welding slag in battery, prevents internal short-circuit of battery；And switching chip architecture design agrees with limit design of cover theory, can effectively promote battery capacity.
Description
Technical field
The utility model, which belongs to power battery technology field more particularly to a kind of power battery switching chip architecture and uses, to be somebody's turn to do
The power battery of switching piece.
Background technique
With the development of modern society and the enhancing of people's environmental consciousness, more and more equipment selections are with lithium ion battery
As power supply, such as mobile phone, laptop, electric tool and electric car, this is the application and development of lithium ion battery
Provide wide space.Wherein, lithium ion battery used in electric tool and electric car etc. is commonly referred to as power electric
Pond.
Power battery generally comprises core, electrolyte, the battery case for accommodating core and electrolyte and is assemblied in battery case
Top cover on body, wherein power battery uses limit design of cover, which will roll up to pursue higher energy density
When core is fitted into shell, need first to carry out ultrasonic bond to weld together core and switching piece, then by Laser Welding by switching piece and
Top cover welds together.Currently used laser welding mode has the characteristics of power is high, firm welding, but in high power welding
It will lead to and melted at copper/aluminium switching piece solder joint, form bead and splash, such as cleaning is not clean, can make to exist in the subsequent use of battery core
The security risks such as short circuit.In addition, switching piece can be first welded on top cover by traditional folding tab welding mode, then by switching piece and
Core welds together, although the welding slag that this method can avoid positive Laser Welding is introduced into inside battery, the disadvantage is that folding tab
Structure can occupy excessive inside battery space, reduce battery core capacity.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, and a kind of power battery switching chip architecture is provided,
Laser Welding after first ultrasonic bond is needed to solve the problems, such as existing switching piece in welding and is easy to appear welding slag, avoids introducing in battery core
Laser Welding welding slag causes internal short-circuit of battery.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of power battery switching chip architecture, including the switching piece ontology for connecting top cover pole and battery pole ear, institute
Stating switching piece ontology includes tab welding portion and pole weld part, and the pole weld part passes through connector and the tab welding
Portion links together, and the pole weld part can carry out the rotation of α angle, 0≤α≤180 ° relative to tab weld part.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the rotation angle [alpha] is
80~100 °.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the connector is hinge
Chain, rivet or peg.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the diameter of the connector
For 0.1~0.5mm.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the pole weld part with
Resistance≤0.01m Ω between the tab welding portion.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the switching piece ontology is whole
Body is in " mountain " type structure.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the tab welding portion with
Insurance hole is provided between the pole weld part.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the tab welding portion is set
It is equipped with fixation hole.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the switching piece is anode
Switching piece or cathode switching piece.
As a kind of preferred embodiment of power battery switching chip architecture described in the utility model, the switching piece turns for aluminium
Contact pin, copper switching piece or alloy switching piece.
In addition, the utility model also provides a kind of power battery, including battery core, electrolyte, receiving battery core and electrolyte
Battery case and the top cover being sealingly mounted on battery case, cell polar ear are electrically connected by switching piece with top cover pole, institute
Stating switching piece is switching chip architecture described in any of the above-described section.
The chip architecture the utility model has the beneficial effects that: a kind of power battery provided by the utility model is transferred, including
For connecting the switching piece ontology of top cover pole and battery pole ear, the switching piece ontology includes tab welding portion and pole welding
Portion, the pole weld part are linked together by connector and the tab welding portion, and the pole weld part can be opposite
Tab welding portion carries out the rotation of α angle, 0≤α≤180 °.Compared with the prior art, the utility model makes by using connector
Pole weld part and tab welding portion link together, and pole weld part can be made to carry out certain angle rotation with respect to tab weld part
Turn, surpasses after the welding manner of existing top cover pole and cell polar ear can be made to become first Laser Welding from Laser Welding after first ultrasonic bond
Sonic soldering prevents to introduce Laser Welding welding slag in battery, prevents internal short-circuit of battery；And switching chip architecture design agrees with limit top cover
Design concept can effectively promote battery capacity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- tab welding portion；2- pole weld part；3- connector；4- insurance hole；5- fixation hole.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment and specification
Attached drawing is described in further detail the utility model and its advantages, but the embodiments of the present invention is not limited to
This.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of power battery switching chip architectures, including for connecting top cover pole and electricity
The switching piece ontology of pond tab, the switching piece ontology include tab welding portion 1 and pole weld part 2, the pole weld part 2
It is linked together by connector 3 and the tab welding portion 1, and the pole weld part 2 can be carried out with respect to tab weld part 1
The rotation of α angle, 0≤α≤180 °.Wherein, the connector 3 includes but is not limited to hinge, rivet, peg etc..The utility model
So that pole weld part 2 and tab welding portion 1 is linked together by using active connection 3,2 antipode of pole weld part can be made
Ear weld part 1 carries out certain angle rotation, and the welding manner of existing top cover pole and cell polar ear can be made by first ultrasonic bond
Laser Welding becomes ultrasonic bond after first Laser Welding afterwards, prevents to introduce Laser Welding welding slag in battery, prevents internal short-circuit of battery；And this turn
Tab construction design agrees with limit design of cover theory, can effectively promote battery capacity.
In an embodiment of power battery according to the present utility model switching chip architecture, the rotation angle [alpha] for 80~
100 °, more preferably α is 90 °.Rotation had extremely both been able to satisfy switching piece and tab/pole welding requirement in the angular range,
It is avoided that again simultaneously and occupies excessive inside battery space, effectively promotion battery capacity.
In an embodiment of power battery according to the present utility model switching chip architecture, the diameter of the connector 3 is
0.1~0.5mm.If 3 diameter of connector is excessive, the overcurrent performance between pole weld part 2 and tab welding portion 1 will affect；If
3 diameter of connector is too small, it is difficult to be reliably connected to tab welding portion 1 and pole weld part 2, and be easy to happen in rotation
Damage.
In an embodiment of power battery according to the present utility model switching chip architecture, the pole weld part 2 and institute
State resistance≤0.01m Ω between tab welding portion 1.If resistance is excessive, the overcurrent performance of switching piece can be reduced, influences to turn
The normal use of contact pin.
In an embodiment of power battery according to the present utility model switching chip architecture, switching piece ontology is integrally in " mountain "
Type structure.The two sides of " mountain " type structure are connect with battery pole ear, and the middle part of " mountain " type structure is then connect with top cover pole；And it will turn
Contact pin is arranged to " mountain " type structure, and switching piece can on the one hand be reliably connected with top cover pole and battery pole ear realization respectively；
On the other hand, the conveyance capacity and fusing performance of switching piece can be effectively ensured in this way, while can also make full use of in battery
Battery energy density is improved in portion space.
In an embodiment of power battery according to the present utility model switching chip architecture, tab welding portion 1 and pole are welded
Insurance hole 4 is provided between socket part 2, tab welding portion 1 is provided with fixation hole 5.Switching piece can be made to send out by the way that insurance hole 4 is arranged
It can fuse rapidly when raw short circuit, to guarantee the security performance of battery.Positioning can be played to adapter by the way that fixation hole 5 is arranged
And fixed function, it is shifted when can prevent switching piece from being welded, guarantees welding quality, and improve welding efficiency.
In an embodiment of power battery according to the present utility model switching chip architecture, switching piece be positive switching piece or
Cathode switching piece.When switching piece is positive switching piece, for connecting battery core anode ear and top cover positive terminal；When switching piece is negative
When the switching piece of pole, for connecting battery core negative electrode lug and top cover negative terminal.
In an embodiment of power battery according to the present utility model switching chip architecture, switching piece is aluminium switching piece, copper
Switching piece or alloy switching piece.The specific material of switching piece is selected according to the material of pole and tab, generally switching sheet material
Matter need to be identical as tab and pole material, because material of the same race is easier to carry out welding, and can guarantee welding quality.
Embodiment 2
The present embodiment provides a kind of power battery, including battery core, electrolyte, accommodate the battery case of battery core and electrolyte with
And it is sealingly mounted at the top cover on battery case, cell polar ear is electrically connected by the switching piece of embodiment 1 with top cover pole,
In, top cover Positive Poles and positive switching piece are first welded together using Laser Welding by anode welding, then positive switching piece is rotated,
So that tab welding portion and pole weld part is converted into 90 DEG C, reuses ultrasonic bond and be welded together positive switching piece and positive pole ear；
Cathode welding, which can be used, welds same welding manner with anode, can also be using the welding manner of Laser Welding after first ultrasonic bond.
Wherein, positive Laser Welding power is between 2~8kW, and cathode Laser Welding power is between 3~10kW, and positive and negative anodes switching piece welds
Meet pulling force >=50N.Wherein, battery core, electrolyte, battery case and top cover are the prior art, and which is not described herein again.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (9)
- The chip architecture 1. a kind of power battery is transferred, it is special including the switching piece ontology for connecting top cover pole and battery pole ear Sign is: the switching piece ontology includes tab welding portion and pole weld part, and the pole weld part passes through connector and institute Tab welding portion is stated to link together, and the pole weld part can relative to tab weld part carry out the rotation of α angle, 0≤α≤ 180°。
- The chip architecture 2. a kind of power battery according to claim 1 is transferred, it is characterised in that: the rotation angle [alpha] is 80 ~100 °.
- The chip architecture 3. a kind of power battery according to claim 1 is transferred, it is characterised in that: the connector be hinge, Rivet or peg.
- The chip architecture 4. a kind of power battery according to claim 1 is transferred, it is characterised in that: the diameter of the connector is 0.1~0.5mm.
- The chip architecture 5. a kind of power battery according to claim 1 is transferred, it is characterised in that: the pole weld part and institute State resistance≤0.01m Ω between tab welding portion.
- The chip architecture 6. a kind of power battery according to claim 1 is transferred, it is characterised in that: the switching piece ontology is whole In " mountain " type structure.
- The chip architecture 7. a kind of power battery according to claim 1 is transferred, it is characterised in that: the tab welding portion and institute It states and is provided with insurance hole between pole weld part.
- The chip architecture 8. a kind of power battery according to claim 1 is transferred, it is characterised in that: the tab welding portion setting There is fixation hole.
- 9. a kind of power battery including battery core, electrolyte, the battery case for accommodating battery core and electrolyte and is sealingly mounted at electricity Top cover on the shell of pond, cell polar ear are electrically connected by switching piece with top cover pole, it is characterised in that: the switching piece is right It is required that 1~8 described in any item switching chip architectures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053807.8U CN209312883U (en) | 2018-12-07 | 2018-12-07 | A kind of power battery switching chip architecture and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053807.8U CN209312883U (en) | 2018-12-07 | 2018-12-07 | A kind of power battery switching chip architecture and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312883U true CN209312883U (en) | 2019-08-27 |
Family
ID=67676059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053807.8U Active CN209312883U (en) | 2018-12-07 | 2018-12-07 | A kind of power battery switching chip architecture and power battery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729420A (en) * | 2019-09-09 | 2020-01-24 | 东莞塔菲尔新能源科技有限公司 | Power battery and assembly method of top cover and battery core of power battery |
| CN111933883A (en) * | 2020-08-06 | 2020-11-13 | 东莞市万连实业有限公司 | A kind of adapter for large-capacity battery and preparation method thereof |
| WO2021238518A1 (en) * | 2020-05-27 | 2021-12-02 | 东莞新能安科技有限公司 | Battery pack and electric device |
| CN114142180A (en) * | 2021-11-30 | 2022-03-04 | 江苏正力新能电池技术有限公司 | Battery adapting member, battery and battery assembling method |
| WO2023050245A1 (en) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Adapter component, battery cell, battery, electric device, and method and device for manufacturing battery cell |
| CN116031586A (en) * | 2023-02-09 | 2023-04-28 | 深圳海润新能源科技有限公司 | Energy storage device and electric equipment |
| WO2024164252A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | Energy storage apparatus and electric device |
-
2018
- 2018-12-07 CN CN201822053807.8U patent/CN209312883U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729420A (en) * | 2019-09-09 | 2020-01-24 | 东莞塔菲尔新能源科技有限公司 | Power battery and assembly method of top cover and battery core of power battery |
| WO2021238518A1 (en) * | 2020-05-27 | 2021-12-02 | 东莞新能安科技有限公司 | Battery pack and electric device |
| CN111933883A (en) * | 2020-08-06 | 2020-11-13 | 东莞市万连实业有限公司 | A kind of adapter for large-capacity battery and preparation method thereof |
| CN111933883B (en) * | 2020-08-06 | 2022-10-14 | 东莞市万连实业有限公司 | Adapter sheet for high-capacity battery and preparation method thereof |
| EP4181307A4 (en) * | 2021-09-30 | 2024-08-07 | Contemporary Amperex Technology Co., Limited | ADAPTER COMPONENT, BATTERY CELL, BATTERY, ELECTRICAL DEVICE AND METHOD AND DEVICE FOR PRODUCING A BATTERY CELL |
| WO2023050245A1 (en) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Adapter component, battery cell, battery, electric device, and method and device for manufacturing battery cell |
| JP7583910B2 (en) | 2021-09-30 | 2024-11-14 | 香港時代新能源科技有限公司 | Adapter member, battery unit, battery, power-using device, and method and device for manufacturing battery unit |
| CN114142180A (en) * | 2021-11-30 | 2022-03-04 | 江苏正力新能电池技术有限公司 | Battery adapting member, battery and battery assembling method |
| CN114142180B (en) * | 2021-11-30 | 2024-01-26 | 江苏正力新能电池技术有限公司 | Battery switching member, battery and battery assembling method |
| CN116031586A (en) * | 2023-02-09 | 2023-04-28 | 深圳海润新能源科技有限公司 | Energy storage device and electric equipment |
| US12002997B1 (en) | 2023-02-09 | 2024-06-04 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Energy storage device and power consuming device |
| WO2024164252A1 (en) * | 2023-02-09 | 2024-08-15 | 深圳海润新能源科技有限公司 | Energy storage apparatus and electric device |
| CN116031586B (en) * | 2023-02-09 | 2023-06-27 | 深圳海润新能源科技有限公司 | Energy storage device and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220129 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |