CN107214446A - Battery modules tab welding servicing unit and battery modules pole ear welding method - Google Patents
Battery modules tab welding servicing unit and battery modules pole ear welding method Download PDFInfo
- Publication number
- CN107214446A CN107214446A CN201710545599.0A CN201710545599A CN107214446A CN 107214446 A CN107214446 A CN 107214446A CN 201710545599 A CN201710545599 A CN 201710545599A CN 107214446 A CN107214446 A CN 107214446A
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- Prior art keywords
- lug
- battery modules
- device body
- collector
- battery
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- 238000003466 welding Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- IAIWVQXQOWNYOU-FPYGCLRLSA-N nitrofural Chemical compound NC(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 IAIWVQXQOWNYOU-FPYGCLRLSA-N 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 15
- 230000001681 protective effect Effects 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention provides a kind of battery modules tab welding servicing unit applied to new energy car battery parts technical field, the invention further relates to a kind of battery modules pole ear welding method, multiple gap portions (4) are set on the device body (3) of described power battery module tab welding servicing unit, each gap portion (4) is configured to the body upper surface (5) of penetrating device body (3) and the structure of body lower surface (6), each gap portion (3) is while be configured to the structure of this body front surface (7) of penetrating device body (3), the battery modules tab welding servicing unit and battery modules pole ear welding method of the present invention, notch of multiple lugs also cross collector can conveniently and efficiently be realized, ensure that bending setting will not occur when through notch and fracture for lug, lug can be reduced simultaneously through degree of difficulty during notch, improve the efficiency that lug passes through notch.
Description
Technical field
It is to be related to a kind of battery modules more specifically the invention belongs to new energy car battery parts technical field
Tab welding servicing unit, the invention further relates to a kind of weldering of the battery modules lug of application battery modules tab welding servicing unit
Connect method.
Background technology
At present, new-energy automobile have become country strategic development direction, new-energy automobile include pure electric automobile,
Plug-in hybrid-power automobile, fuel cell car, energy-saving automobile are also the developing direction of automobile industry, and energy-saving automobile includes
Micro- mixed power vehicle, hybrid vehicle with start stop system etc..Mentioned kind automobile, which has using electrokinetic cell as energy storage, to be filled
The need for putting, lithium ion battery is with comprehensive advantages such as its energy density height, environmental protections, with achieving the main flow of electrokinetic cell
Position.But traditional lithium ion battery is due to the property of itself material and the intrinsic propesties of charge and discharge process, easily produce
Thermal runaway, all occurred multiple lithium ion battery combustion incident in notebook and field of mobile phones, from electric automobile large-scale promotion
Since startup, electric automobile event on fire also occurs repeatedly.In order to improve the performance, safety and energy density of lithium ion battery,
The ripe soft-package battery of people's exploitation in recent years, soft-package battery is using aluminum plastic film as shell.Soft-package battery or rectangular cell have than
The more preferable security of duricrust battery, longer life-span, more preferable heat management characteristic, so the market share shared by present is increasingly
Greatly.And lithium ion soft-package battery will make energy storage device, it is necessary to electrical power storage amount will tens kWh, pure Electric Transit is even
KWh up to a hundred are reached, so big energy storage capacity, generally require thousands of battery monomers up to a hundred to constitute, therefore battery makes electricity
Pond group is exactly an important technical field.
Electrokinetic cell makes energy storage device, typically first battery modules is made by multiple batteries, by multiple battery modules
Make battery PACK, multiple battery PACK recomposition battery systems.The design and processes of battery modules are thus into battery energy storage
The basis of system.The general soft-package battery module design of prior art, is that equipotential cell core lug is passed through into Laser Welding
It is welded on collector.Collector generally is intended to be fixed on a plastic processing frame.Therefore battery modules are made in soft-package battery
During, the lug of battery will be unified through plastic processing frame, and equipotential lug is unified through collector again.Due to prior art
The lug of middle soft-package battery core is typically aluminium foil copper foil nickel sheet of 0.2mm left and right thicknesses etc., and lug is flexible big, the notch of collector
It is also the structure of narrower width.Therefore, when lug pass through notch when, it is easy to collided with notch edge, cause it is multiple very
The difficult via that is aligned simultaneously is passed through, and causes technologic difficulty, or even bending fractures lug, causes damage.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of simple in construction, can conveniently and efficiently realize multiple poles
Notch of the ear also cross collector, it is ensured that bending setting will not occur when through notch and fracture for lug, and guarantor is played to lug
Shield is acted on, while lug can be reduced through degree of difficulty during notch, is effectively improved the efficiency that lug passes through notch, is reduced work
Make the battery modules tab welding servicing unit of personnel labor intensity.
Techniques discussed above is solved the problems, such as, the technical scheme that the present invention takes is：
The present invention is a kind of battery modules tab welding servicing unit, and described power battery module includes multiple batteries
Lug is set in core, each battery, and multiple batteries of power battery module are set to the structure that side fits together, institute
Stating power battery module tab welding servicing unit includes setting multiple gap portions, each gap on device body, device body
Portion is configured to the body upper surface of penetrating device body and the structure of body lower surface, and each gap portion is arranged to simultaneously
The structure of this body front surface of enough penetrating device bodies.
Described power battery module also includes setting multiple notches on collector, collector, and collector connects with battery
When connecing, the lug of each battery is configured to the structure through a notch, and described device body is block structure, electricity
Chi Xin lug is passed through before the notch of collector, and each gap portion of power battery module tab welding servicing unit is arranged to
It is enough to be inserted from lug lateral location to the structure on a lug.
It is that multiple tracks plate portion is set on plate portion, device body between the portion of adjacent twice gap on described device body,
The structure of parallel arrangement is configured between multiple tracks plate portion, one end that per pass plate portion is located at body front face location is set
For oval structure.
The width dimensions in the gap portion on described device body are set greater than the structure of the thickness of lug, body
Upper surface is to the thickness that the distance of body lower surface is device body, and the thickness of described device body is set to small
In the structure of the length dimension of lug.
Described device body is set to the structure being made by plastic material.
The invention further relates to a kind of battery modules tab welding of the battery modules tab welding servicing unit described in application
Method, the welding step of described battery modules pole ear welding method is：1) by device body from the lugs of battery modules side
Position is inserted onto lug, in each gap portion inserting a to lug；2) by collector from the lug upper positions of battery modules
Put set to be attached on lug, each notch of collector is sleeved on a lug；3) each lug and collector are welded, welding
Finish, from the lug lateral location withdrawing device body of battery pack module, complete battery modules tab welding.
Each notch of collector is sleeved on after a lug, by each lug bending, and lug is adjacent to collector, then is led to
Laser Welding is crossed to weld each lug with collector respectively.
Using technical scheme, following beneficial effect can be obtained：
Battery modules tab welding servicing unit of the present invention, when carrying out battery modules assembling, when needs will be every
It is auxiliary by battery modules tab welding of the present invention when the lug of individual battery is each passed through corresponding notch on collector
Help device auxiliary assembling.When being assembled, first by the device body of battery modules tab welding servicing unit from battery modules
Lug lateral location is inserted onto lug, by each gap portion inserting on device body a to lug, at this moment, is each stitched
The lug that gap portion is pointed in the gap portion is played a supporting role, at this moment, by collector from the lug top position of battery modules
Set is attached on lug, and each notch of collector is sleeved on a lug, due to the presence of device body, in assembling collector
When, collector does not result in the bending of lug or fractureed, and lug is played a protective role, while so that lug enters notch more
It is convenient and swift.Each lug is fitted into after corresponding notch, each lug and collector is welded, welding is finished, from battery
The lug lateral location withdrawing device body of group module, completes the welding of battery modules lug.The auxiliary of said apparatus so that collection
Fluid it is quick and easy for installation, improve packaging efficiency, and lug played a protective role, it is to avoid because lug bending or fractureing
Cause battery can not use problem, it is to avoid to do over again, it is to avoid battery is scrapped, reduce cost.Battery modules of the present invention
Tab welding servicing unit, it is simple in construction, it can conveniently and efficiently realize notch of multiple lugs also cross collector, it is ensured that
Bending setting will not occur when through notch and fracture for lug, and lug is played a protective role, while lug can be reduced through groove
Degree of difficulty during mouth, effectively improves the efficiency that lug passes through notch, reduces intensity of workers.
Brief description of the drawings
Brief description is made to the content expressed by each accompanying drawing of this specification and the mark in figure below：
Fig. 1 is structural representation when battery modules tab welding servicing unit of the present invention is used；
Fig. 2 is the overlooking the structure diagram of battery modules tab welding servicing unit of the present invention；
Marked in accompanying drawing：1st, battery；2nd, lug；3rd, device body；4th, gap portion；5th, body upper surface；6th, body
Lower surface；7th, this body front surface；8th, collector；9th, notch；10th, plate portion.
Embodiment
Below against accompanying drawing, by the description to embodiment, to the embodiment of the present invention such as involved each structure
Mutual alignment and annexation, the effect of each several part and operation principle between the shape of part, construction, each several part etc. are made further
Detailed description：
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of battery modules tab welding servicing unit, described electrokinetic cell
Module includes setting lug 2 in multiple batteries 1, each battery 1, and multiple batteries 1 of power battery module are set to side
The structure that face fits together, described power battery module tab welding servicing unit includes device body 3, device body 3
Upper to set multiple gap portions 4, each gap portion 4 is configured to the body upper surface 5 and body lower surface of penetrating device body 3
6 structure, each gap portion 3 is configured to the structure of this body front surface 7 of penetrating device body 3 simultaneously.Said structure,
When carrying out battery modules assembling, when needing the lug of each battery being each passed through corresponding notch on collector, pass through
Battery modules tab welding servicing unit auxiliary assembling of the present invention.When assembled, first battery modules lug is welded
The device body 1 of servicing unit is connect from the lateral location of lug 2 inserting of battery modules to lug 2, will be every on device body
Individual gap portion 3 is inserted onto a lug 2, at this moment, and the lug that each gap portion is pointed in the gap portion is played a supporting role,
At this moment, collector 8 is attached on lug 3 from the top position of lug 2 set of battery modules, each notch 9 of collector 8 is sleeved on
On one lug 2, due to the presence of device body, when assembling collector, collector does not result in the bending of lug or fractureed,
Lug is played a protective role, while so that lug is more convenient into notch.Each lug fits into corresponding groove
After mouthful, each lug 3 and collector 8 are welded, welding is finished, from the lateral location withdrawing device sheet of lug 2 of battery pack module
Body 1, completes the welding of battery modules lug 2.The auxiliary of battery modules tab welding servicing unit so that the installation side of collector
Just it is quick, improve packaging efficiency, and lug is played a protective role, it is to avoid because lug bending or fracture cause battery without
Method uses problem, it is to avoid do over again, it is to avoid battery is scrapped, and reduces cost.Battery modules tab welding auxiliary of the present invention
Device, it is simple in construction, it can conveniently and efficiently realize notch of multiple lugs also cross collector, it is ensured that lug is through groove
Bending setting will not occur during mouth to fracture, lug is played a protective role, while lug can be reduced through difficulty during notch
Degree, effectively improves the efficiency that lug passes through notch, reduces intensity of workers.
Described power battery module also includes setting multiple notches 9, collector 8 and battery on collector 8, collector 8
When core 1 is connected, the lug 2 of each battery 1 is configured to the structure through a notch 9, and described device body 1 is block
Shape structure, the lug 2 of battery 1 is passed through before the notch 9 of collector 8, described power battery module tab welding servicing unit
Each gap portion 3 be configured to from the inserting of the lateral location of lug 2 to the structure on a lug 2.Said structure, in battery
, it is necessary to which the corresponding groove that each lug inserting of battery is arrived into corresponding collector is intraoral during module group assembling, and carrying out
, it is necessary to carry out mate-assist by battery modules tab welding servicing unit, i.e., by battery modules lug during above-mentioned assembling procedure
The gap portion of the device body of auxiliary welding equipment is from the inserting of lug side to lug, each gap portion inserting a to correspondence
Lug on, so, device body plays support positioning action to lug, and device body is supported after positioning, lug upper end
Will not shake, make lug upper end corresponding with notch position accurate, be easy to each notch disposal package packing of collector to pair
On the lug answered, complete after collector installation, each lug is welded with collector respectively, assembling is completed, said process is simple
Efficiently, it is to avoid lug bending fractures.
It is that many guidance tapes are set on plate portion 10, device body 1 between adjacent twice gap portion 4 on described device body 1
The structure of parallel arrangement is configured between part portion 10, multiple tracks plate portion 10, per pass plate portion 10 is located at this body front surface 7
The one end put is set to oval structure.One end that per pass plate portion 10 is located at the position of this body front surface 7 is set in ellipse
Shape structure, so, the arrival end equivalent to per pass gap portion is bell mouth shape structure, and is arcwall face structure, consequently facilitating
Each gap portion is disposably inserted onto lug, and lug will not be caused during inserting to damage, and improves device body inserting
Efficiency and accuracy.
The width dimensions in the gap portion 4 on described device body 1 are set greater than the structure of the thickness of lug 2,
Said structure, is easy to the convenient and swift inserting in gap portion to lug, the distance of body upper surface 5 to body lower surface 6 is device
The thickness of body 1, the thickness of described device body 1 is set smaller than the structure of the length dimension of lug 2, above-mentioned
Structure, after device body inserting to lug, each lug upper end is exposed outside the body upper surface of device body, is easy to afflux
The notch suit of body.
Described device body 1 is set to the structure being made by plastic material.
Simple the invention further relates to a kind of step, input cost is low, can conveniently and efficiently realize multiple lugs while wearing
Cross the notch of collector, it is ensured that bending setting will not occur when through notch and fracture for lug, lug be played a protective role, together
When can reduce lug through notch when degree of difficulty, effectively improve lug through notch efficiency and precision, reduce work
Make the battery modules pole ear welding method of personnel labor intensity.
The battery modules pole ear welding method of battery modules tab welding servicing unit described in application of the present invention,
The welding step of described battery modules pole ear welding method is：1) by device body 1 from the lateral locations of lug 2 of battery modules
Insert on lug 2, each gap portion 3 is inserted onto a lug 2；2) by collector 8 from the upper positions of lug 2 of battery modules
Put set to be attached on lug 3, each notch 9 of collector 8 is sleeved on a lug 2；3) each lug 3 and collector 8 are welded
Connect, welding is finished, from the lateral location withdrawing device body 1 of lug 2 of battery pack module, complete battery modules tab welding.
Each notch 9 of collector 8 is sleeved on after a lug 2, each lug 2 is bent, lug 2 is pasted with collector 8
Tightly, then by Laser Welding each lug 2 is welded with collector 8 respectively.
The battery modules pole ear welding method of the battery modules tab welding servicing unit of the present invention, is carrying out battery modules
During assembling, when needing the lug of each battery being each passed through corresponding notch on collector, by of the present invention
The auxiliary assembling of battery modules tab welding servicing unit.When being assembled, first by the dress of battery modules tab welding servicing unit
Body is put from the lug lateral location inserting of battery modules to lug, each gap portion on device body is inserted to one
On lug, at this moment, the lug that each gap portion is pointed in the gap portion is played a supporting role, at this moment, by collector from battery
The lug top position set of module is attached on lug, and each notch of collector is sleeved on a lug, due to device body
Presence, assemble collector when, collector does not result in the bending of lug or fractureed, and lug is played a protective role, simultaneously
So that lug is more convenient into notch.Each lug is fitted into after correspondence notch, and each lug and collector are welded
Connect, welding is finished, from the lug lateral location withdrawing device body of battery pack module, complete the welding of battery modules lug.This
The battery modules pole ear welding method of the battery modules tab welding servicing unit of invention so that collector it is easy for installation fast
Victory, improves packaging efficiency, lug is played a protective role, it is to avoid because lug bending or fractureing and causing battery not use to ask
Topic, it is to avoid do over again, it is to avoid battery is scrapped, reduce cost, it is ensured that bending setting will not occur when through notch and fracture for lug,
Degree of difficulty when lug passes through notch is reduced, the efficiency that lug passes through notch is improved, intensity of workers is reduced.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, if the various improvement of inventive concept and technical scheme of the present invention progress are employed, or it is not improved by this
The design of invention and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. a kind of battery modules tab welding servicing unit, described power battery module includes multiple batteries (1), Mei Ge electricity
Lug (2) is set on Chi Xin (1), and multiple batteries (1) of power battery module are set to the structure that side fits together, its
It is characterised by：Described power battery module tab welding servicing unit includes setting on device body (3), device body (3)
Multiple gap portions (4), each gap portion (4) is configured to the body upper surface (5) and body following table of penetrating device body (3)
The structure in face (6), each gap portion (3) are while be configured to the structure of this body front surface (7) of penetrating device body (3).
2. battery modules tab welding servicing unit according to claim 1, it is characterised in that：Described electrokinetic cell mould
Group also includes setting multiple notches (9) on collector (8), collector (8), when collector (8) is connected with battery (1), each
The lug (2) of battery (1) is configured to the structure through a notch (9), and described device body (1) is tied to be block
Structure, the lug (2) of battery (1) is passed through before the notch (9) of collector (8), described power battery module tab welding auxiliary
Each gap portion (3) of device is configured to from the inserting of lug (2) lateral location to the structure on a lug (2).
3. battery modules tab welding servicing unit according to claim 2, it is characterised in that：Described device body
(1) it is plate portion (10) multiple tracks plate portion (10) to be set on device body (1), many guidance tapes between adjacent twice gap portion (4) on
The structure of parallel arrangement is configured between part portion (10), per pass plate portion (10) is located at the one of this body front surface (7) position
End is set to oval structure.
4. battery modules tab welding servicing unit according to claim 1, it is characterised in that：Described device body
(1) width dimensions in the gap portion (4) on are set greater than the structure of the thickness of lug (2), and body upper surface (5) is to originally
The distance of body lower surface (6) is the thickness of device body (1), and the thickness of described device body (1) is set to small
In the structure of the length dimension of lug (2).
5. battery modules tab welding servicing unit according to claim 2, it is characterised in that：Described device body
(1) it is set to the structure being made by plastic material.
6. a kind of battery modules pole ear welding method, it is characterised in that：The welding step of described battery modules pole ear welding method
Suddenly it is：1) by device body (1) from lug (2) lateral location inserting of battery modules to lug (2), each gap portion (3)
Insert onto a lug (2)；2) collector (8) is attached on lug (3) from lug (2) top position set of battery modules,
Each notch (9) of collector (8) is sleeved on a lug (2)；3) each lug (3) and collector (8) are welded, welding
Finish, from lug (2) lateral location withdrawing device body (1) of battery pack module, complete battery modules tab welding.
7. battery modules pole ear welding method according to claim 6, it is characterised in that：Each notch of collector (8)
(9) it is sleeved on after a lug (2), each lug (2) is bent, lug (2) is adjacent to collector (8), then passes through Laser Welding
Each lug (2) is welded with collector (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545599.0A CN107214446A (en) | 2017-07-06 | 2017-07-06 | Battery modules tab welding servicing unit and battery modules pole ear welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545599.0A CN107214446A (en) | 2017-07-06 | 2017-07-06 | Battery modules tab welding servicing unit and battery modules pole ear welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107214446A true CN107214446A (en) | 2017-09-29 |
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| CN201710545599.0A Pending CN107214446A (en) | 2017-07-06 | 2017-07-06 | Battery modules tab welding servicing unit and battery modules pole ear welding method |
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| Country | Link |
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| CN (1) | CN107214446A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429234A (en) * | 2019-07-05 | 2019-11-08 | 恒大新能源科技集团有限公司 | A kind of no busbar connector battery module structure and assemble method |
| CN111112887A (en) * | 2019-12-24 | 2020-05-08 | 孚能科技(镇江)有限公司 | Battery module welding device, battery module welding method and battery module |
| WO2020151549A1 (en) * | 2019-01-22 | 2020-07-30 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
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| CN206065746U (en) * | 2016-08-25 | 2017-04-05 | 天能集团江苏特种电源有限公司 | Adjustable type group welding of storage battery frock |
| CN207372522U (en) * | 2017-07-06 | 2018-05-18 | 江西优特汽车技术有限公司 | Battery modules tab welding auxiliary device |
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| WO2020151549A1 (en) * | 2019-01-22 | 2020-07-30 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| US11233297B2 (en) | 2019-01-22 | 2022-01-25 | Contemporary Amperex Technology Co., Limited | Secondary battery including plural electrode units with tabs smaller than end face of electrode unit, and battery module including the same |
| CN110429234A (en) * | 2019-07-05 | 2019-11-08 | 恒大新能源科技集团有限公司 | A kind of no busbar connector battery module structure and assemble method |
| CN111112887A (en) * | 2019-12-24 | 2020-05-08 | 孚能科技(镇江)有限公司 | Battery module welding device, battery module welding method and battery module |
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