CN108232095A - The assembly method of the whole beam welding method of lug and lithium ion battery - Google Patents
The assembly method of the whole beam welding method of lug and lithium ion battery Download PDFInfo
- Publication number
- CN108232095A CN108232095A CN201611200299.0A CN201611200299A CN108232095A CN 108232095 A CN108232095 A CN 108232095A CN 201611200299 A CN201611200299 A CN 201611200299A CN 108232095 A CN108232095 A CN 108232095A
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- China
- Prior art keywords
- lug
- connection sheet
- battery
- packet
- whole beam
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- 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.)
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Classifications
-
- 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
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention provides a kind of whole beam welding method of lug and the assembly methods of lithium ion battery, the whole beam welding method of the lug, by carrying out whole beam to lug before welding, the modes such as it is adjusted to lug connection sheet, the welding of lug connection sheet and lug is realized using shorter lug connection sheet.The assembly method of the whole beam welding method of the lug and lithium ion battery, has saved material, has reduced cost, improved the space availability ratio of inside battery, solves the technical issues of whole beam of lug is difficult, assembly difficulty is larger, structural instability and security performance are low.
Description
Technical field
The present invention relates to a kind of whole beam welding methods of lug.
The invention further relates to a kind of assembly methods of the lithium ion battery using the whole beam welding method of the lug.
Background technology
It is public that higher and higher want also proposed for the power battery of its core component with the popularization of electric vehicle
It asks.Therefore, the safety of power battery, large capacity, long circulating and adaptability are referred to extensively.
Power battery, generally comprises battery packet, electrolyte, battery case and head cover, wherein battery packet by positive plate,
Diaphragm, negative plate stack gradually.The technique that is made of battery packet is broadly divided into two kinds of winding and lamination.According to technique not
Together, in positive plate and negative plate different zones, Kong Bo areas are left, as anode ear, negative electrode lug.Positive and negative lug by connection sheet with
The anode and cathode terminals connection of head cover, forms battery path；Head cover and battery case are sealed again, electrolyte is injected, by electrification
Activation is learned, finally obtains power battery.
Relative to winding process, lamination process have it is simple for process, equipment cost is low, battery electrochemical polarization influence it is small
Advantage.But the lug of the battery core of lamination process is stretched out from side, then low space utilization, capacity are relatively low；Lug is stretched out from top,
Because the quantity of lug is more, the whole beam of lug is difficult, and assembly difficulty is larger, easily lug is caused to damage, structural instability, safety
Performance is not high.
Invention content
The whole beam of lug to solve existing lithium ion battery is difficult, assembly difficulty is larger, structural instability and safety
Can be low the technical issues of, provide a kind of whole beam welding method of lug and the assembly method of lithium ion battery.
The present invention provides a kind of whole beam welding methods of lug, include the following steps：
1) center of the lug on the end face of battery packet to the end face of battery packet is gathered, lug is carried out whole
Beam；
2) the unjustified part in the front end of lug is cut, only retains length required when subsequent ultrasonic wave soldering connects；
3) head cover includes coping plate and positive terminal, negative terminal on coping plate, positive terminal, negative terminal lower face point
A lug connection sheet is not fixed；By the outside bending of lug connection sheet, lug connection sheet and coping plate are at an acute angle；
4) battery packet is placed in the same direction with lug connection sheet, and lug is made to fit with lug connection sheet；
5) lug and lug connection sheet are subjected to ultrasonic bonding；
6) lug connection sheet is converted into the state perpendicular with coping plate；
7) by bracket buckle between battery packet and head cover, stent and the end face of battery packet, the lower surface phase of coping plate
Contact.
The above-mentioned whole beam welding method of lug can use shorter lug connection sheet, to realize lug connection sheet and lug
Welding, improve the welding quality of lug, improve the space availability ratio of inside battery, ensure that product quality.
Preferably, in step 3), after the outside bending of lug connection sheet, the angle between lug connection sheet and coping plate is
40 degree to 60 degree.Lug connection sheet is maintained in the angular range, can guarantee while shorter lug connection sheet is used, also
It can guarantee the quality of ultrasonic bonding.
Preferably, the quantity of battery packet is two, and the quantity of lug connection sheet is two groups, and every group of lug connection sheet corresponds to
One battery packet, in step 3), two groups of lug connection sheets are respectively to two different direction bendings.In this way by lug and pole
When ear connection sheet carries out ultrasonic bonding, two battery packets do not interfere between each other.
Further preferably, in step 6), after lug connection sheet to be converted into the state perpendicular with coping plate, two batteries
Core packet fits together.
Preferably, in step 1), after lug is carried out whole beam, pre- welding zone is marked off in the side of lug, pre- welding zone into
Row prewelding.The distribution that prewelding can allow lug orderly, controllable, and lug pleating when can prevent the subsequent ultrasonic wave soldering from connecing, omit etc. and to ask
The generation of topic.
Preferably, the quantity of stent is two, and two stents are snapped together from the both sides of battery packet, two stents it
Between formed and accommodate lug connection sheet, the lug accommodation space of lug.Lug connection sheet, lug are limited to by lug accommodation space
In fixed space, reduce lug, lug connection sheet scope of activities, increase lug, lug connection sheet anti-vibration performance.
The present invention also provides a kind of assembly methods of lithium ion battery, include the following steps：
1) the whole beam welding method of above-mentioned lug is used, lug and lug connection sheet are welded, and by support fastening in battery
Between core packet and head cover；
2) core packet protective film is wrapped in the outside of battery packet, and core packet protective film and battery packet are fixed；
3) the battery packet that will wrap core packet protective film, is put into battery case.
Preferably, core packet protective film includes bottom surface fitting block and is bonded block positioned at two pieces of sides of bottom surface fitting block both sides,
Bottom surface fitting block is bonded with the bottom surface of battery packet, and side fitting block is bonded with the side of battery packet, bottom surface fitting block and side
Face paste is equipped with anvil broken string between closing block.Bending in the region that core packet protective film can break in anvil, the bending behaviour for the person of being convenient to use
Make, U-shaped structure is formed after bending, the left and right sides is opening-wide state, and such design facilitates core packet protective film package battery
Packet, and fast and effeciently infiltrate battery packet conducive to electrolyte.
Further preferably, fitting block in bottom surface is equipped with multiple electrolysis fluid through-holes.Electrolysis fluid through-hole be conducive to electrolyte to
It is infiltrated in battery packet, the effect of impregnation of battery packet can be improved.
Preferably, in step 2), core packet protective film and battery packet are fixed with high temperature gummed tape.
On the basis of common knowledge of the art, above-mentioned each optimum condition can be combined arbitrarily to get each preferable reality of the present invention
Example.
The positive effect of the present invention is：
The assembly method of the whole beam welding method of the lug and lithium ion battery can use shorter lug connection sheet, come
It realizes the welding of lug connection sheet and lug, has saved material, reduced cost, improved the space availability ratio of inside battery,
Solves the technical issues of whole beam of lug is difficult, assembly difficulty is larger, structural instability and security performance are low.
Description of the drawings
Fig. 1 a are the schematic diagram of the step 1) of the whole beam welding method of lug of the present invention.
Fig. 1 b are the schematic diagram of the step 2) of the whole beam welding method of lug of the present invention.
Fig. 1 c be the whole beam welding method of lug of the present invention step 3) to step 5) schematic diagram.
Fig. 1 d are the schematic diagram of the step 6) of the whole beam welding method of lug of the present invention.
Fig. 1 e are the schematic diagram of the step 7) of the whole beam welding method of lug of the present invention.
Fig. 2 a are the schematic diagram of the step 2) of the assembly method of lithium ion battery of the present invention.
Fig. 2 b are the schematic diagram of the step 3) of the assembly method of lithium ion battery of the present invention.
Fig. 3 is the exploded perspective view of lithium ion battery assembled using the assembly method of lithium ion battery of the present invention.
Schematic diagram when Fig. 4 a are the core packet protective film expansion of lithium ion battery shown in Fig. 3.
Fig. 4 b are the schematic diagram after the core packet protective film shown in Fig. 4 a folds.
Reference sign
1 battery packet
2 lugs
21 pre- welding zones
22 ultrasonic bonds print area
3 head covers
31 coping plates
32 lug connection sheets
33 positive terminals
34 negative terminals
4 stents
5 core packet protective films
51 bottom surfaces are bonded block
52 sides are bonded block
53 anvils break
54 electrolysis fluid through-holes
6 battery cases
Specific embodiment
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
As shown in Fig. 1 a to Fig. 1 e, the present invention provides a kind of whole beam welding method of lug, includes the following steps：
1) center of lug 2 to the end face of battery packet 1 on the end face of battery packet 1 is gathered, to lug 2 into
The whole beam of row；After lug 2 is carried out whole beam, pre- welding zone 21 is marked off in the side of lug 2, prewelding is carried out in pre- welding zone 21, such as schemes
Shown in 1a；The distribution that prewelding can allow lug 2 orderly, controllable, but lug 2 is pleated, omits when can prevent the subsequent ultrasonic wave soldering from connecing
The generation of problem；
2) the unjustified part in the front end of lug 2 is cut, only retains length required when subsequent ultrasonic wave soldering connects, such as
Shown in Fig. 1 b；Lug 2 after cutting retains length required when subsequent ultrasonic wave soldering connects, and can so save lug connection sheet 32
Length, and improve inside battery space availability ratio；
3) head cover 3 includes coping plate 31 and positive terminal 33, negative terminal 34 on coping plate 31, positive terminal 33, cathode
A lug connection sheet 32 is fixed in the lower face of column 34 respectively；By the 32 outside bending of lug connection sheet, lug connection sheet 32 and top
Cover plate 31 is at an acute angle, as illustrated in figure 1 c；Angle between lug connection sheet 32 and coping plate 31 is preferably 40 degree to 60 degree；
4) battery packet 1 is placed in the same direction with lug connection sheet 32, lug 2 is made to fit with lug connection sheet 32, such as Fig. 1 c
It is shown；
5) in ultrasonic bond print area 22, lug 2 and lug connection sheet 32 are subjected to ultrasonic bonding, as illustrated in figure 1 c, this
Kind welding manner can realize the welding of shorter lug connection sheet 32；
6) lug connection sheet 32 is converted into the state perpendicular with coping plate 31, as shown in Figure 1 d；
7) stent 4 is buckled between battery packet 1 and head cover 3, under the end face of stent 4 and battery packet 1, coping plate 31
Surface is in contact, as shown in fig. le；Stent 4 pushes down battery packet 1, prevents the up-down vibration of battery packet 1, so as to increase electricity
The safety in pond；Stent 4, which is equipped with, accommodates lug connection sheet 32, the lug accommodation space of lug 2, by lug connection sheet 32, lug 2
Be limited in fixed space, reduce lug 2, lug connection sheet 32 scope of activities, increase lug 2, lug connection sheet 32
Anti-vibration performance.
The above-mentioned whole beam welding method of lug, can use shorter lug connection sheet 32, come realize lug connection sheet 32 with
The welding of lug 2 improves the welding quality of lug 2, improves the space availability ratio of inside battery, ensure that product quality.
As shown in Fig. 1 c to Fig. 1 e, the quantity of battery packet 1 can be two, and the quantity of lug connection sheet 32 is two groups, often
Group lug connection sheet 32 corresponds to a battery packet 1.In step 3), two groups of lug connection sheets 32 are respectively to two different directions
Bending, two battery packets 1 are also placed along two different directions, and lug 2 and lug connection sheet 32 are being carried out ultrasound in this way
When wave soldering connects, two battery packets 1 do not interfere between each other.In step 6), lug connection sheet 32 is converted into and 31 phase of coping plate
After vertical state, two battery packets 1 fit together.
As shown in Fig. 1 e and Fig. 3, the quantity of stent 4 is two, and two stents 4 are fastened on one from the both sides of battery packet 1
It rises, is formed between two stents 4 and accommodate lug connection sheet 32, the lug accommodation space of lug 2.The lug accommodation space reduces
The scope of activities of lug 2, lug connection sheet 32, increase lug 2, lug connection sheet 32 anti-vibration performance.
As shown in Fig. 2 a to Fig. 2 b, the present invention also provides a kind of assembly methods of lithium ion battery, include the following steps：
1) the whole beam welding method of above-mentioned lug is used, lug 2 and lug connection sheet 32 are welded, and stent 4 is fastened on
Between battery packet 1 and head cover 3；
2) core packet protective film 5 is wrapped in the outside of battery packet 1, and with high temperature gummed tape by core packet protective film 5 and battery
Core packet 1 is fixed, as shown in Figure 2 a；
3) the battery packet 1 that will wrap core packet protective film 5 is put into battery case 6, as shown in Figure 2 b.
As shown in Fig. 4 a to Fig. 4 b, core packet protective film 5 includes bottom surface fitting block 51 and positioned at bottom surface 51 both sides of fitting block
Two pieces of sides are bonded block 52, and bottom surface fitting block 51 is bonded with the bottom surface of battery packet 1, side fitting block 52 and battery packet 1
Side is bonded, and bottom surface fitting block 51 is equipped with anvil broken string 53 between block 52 is bonded with side, and bottom surface fitting block 51 is equipped with multiple electricity
Solve fluid through-hole 54.
When core packet protective film 5 wraps up battery packet 1, bottom surface fitting block 51 is bonded with the bottom surface of battery packet 1, side patch
Block 52 is closed to be bonded with the side of battery packet 1.Wherein, electrolysis fluid through-hole 54 is conducive to electrolyte and is infiltrated into battery packet 1, can
Improve the effect of impregnation of battery packet 1.
As shown in Figure 4 b, core packet protective film 5 can anvil break 53 region in bending, the person of being convenient to use bending behaviour
Make, U-shaped structure is formed after bending, the left and right sides is opening-wide state, and such design facilitates core packet protective film 5 and wraps up battery
Packet 1, and fast and effeciently infiltrate battery packet 1 conducive to electrolyte.
In conclusion the whole beam welding method of lug of the present invention and the assembly method of lithium ion battery, can use shorter
Lug connection sheet to realize the welding of lug connection sheet and lug, has saved material, has reduced cost, improved inside battery
Space availability ratio, solve the technology that the whole beam of lug is difficult, assembly difficulty is larger, structural instability and security performance are low and ask
Topic.
The present invention is not limited to the above-described embodiments, no matter making any variation in its shape or structure, all falls within this hair
Within bright protection domain.Protection scope of the present invention is defined by the appended claims, and those skilled in the art exists
Under the premise of without departing substantially from the principle and substance of the present invention, many changes and modifications may be made, but these
Change and modification each fall within protection scope of the present invention.
Claims (10)
1. a kind of whole beam welding method of lug, which is characterized in that include the following steps：
1) center of the lug (2) to the end face of the battery packet (1) that are located on the end face of battery packet (1) is gathered, it is right
The lug (2) carries out whole beam；
2) the unjustified part in the front end of the lug (2) is cut, only retains length required when subsequent ultrasonic wave soldering connects；
3) positive terminal (33), negative terminal (34) of the head cover (3) including coping plate (31) and on the coping plate (31), it is described
Positive terminal (33), negative terminal (34) lower face fix a lug connection sheet (32) respectively；By the lug connection sheet (32)
Outside bending, the lug connection sheet (32) and the coping plate (31) are at an acute angle；
4) the battery packet (1) is placed in the same direction with the lug connection sheet (32), and the lug (2) is made to be connect with the lug
Piece (32) fits；
5) lug (2) and the lug connection sheet (32) are subjected to ultrasonic bonding；
6) the lug connection sheet (32) is converted into the state perpendicular with the coping plate (31)；
7) stent (4) is buckled between the battery packet (1) and the head cover (3), the stent (4) and the battery packet
(1) end face, the lower surface of the coping plate (31) is in contact.
2. the whole beam welding method of lug according to claim 1, it is characterised in that：In the step 3), by the lug
For connection sheet (32) outward after bending, the angle between the lug connection sheet (32) and the coping plate (31) is 40 degree to 60
Degree.
3. the whole beam welding method of lug according to claim 1, it is characterised in that：The quantity of the battery packet (1) is
Two, the quantity of the lug connection sheet (32) is two groups, and lug connection sheet (32) described in every group corresponds to a battery
It wraps (1), in the step 3), lug connection sheet (32) described in two groups is respectively to two different direction bendings.
4. the whole beam welding method of lug according to claim 3, it is characterised in that：In the step 6), by the lug
After connection sheet (32) is converted into the state perpendicular with the coping plate (31), two battery packets (1) fit together.
5. the whole beam welding method of lug according to claim 1, it is characterised in that：In step 1), by the lug (2) into
After the whole beam of row, pre- welding zone (21) is marked off in the side of the lug (2), prewelding is carried out in the pre- welding zone (21).
6. the whole beam welding method of lug according to claim 1, it is characterised in that：The quantity of the stent (4) is two,
Two stents (4) snap together from the both sides of the battery packet (1), are formed and accommodated between two stents (4)
The lug connection sheet (32), the lug accommodation space of lug (2).
7. a kind of assembly method of lithium ion battery, which is characterized in that include the following steps：
1) using the whole beam welding method of claim 1 to 6 any one of them lug, the lug (2) and the lug are connected
Contact pin (32) is welded, and the stent (4) is fastened between the battery packet (1) and the head cover (3)；
2) core packet protective film (5) is wrapped in the outside of the battery packet (1), and by the core packet protective film (5) with it is described
Battery packet (1) is fixed；
3) the battery packet (1) of the core packet protective film (5) will be wrapped, will be put into battery case (6).
8. the assembly method of lithium ion battery according to claim 7, it is characterised in that：Core packet protective film (5) packet
Include bottom surface fitting block (51) and two pieces of sides fitting block (52) positioned at bottom surface fitting block (51) both sides, bottom surface fitting
Block (51) is bonded with the bottom surface of the battery packet (1), and the side of the side fitting block (52) and the battery packet (1) is pasted
It closes, the bottom surface fitting block (51) is equipped with anvil broken string (53) between block (52) is bonded with the side.
9. the assembly method of lithium ion battery according to claim 8, it is characterised in that：On the bottom surface fitting block (51)
Equipped with multiple electrolysis fluid through-holes (54).
10. the assembly method of lithium ion battery according to claim 7, it is characterised in that：In the step 2), high temperature is used
Adhesive tape is fixed by the core packet protective film (5) and the battery packet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200299.0A CN108232095A (en) | 2016-12-22 | 2016-12-22 | The assembly method of the whole beam welding method of lug and lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200299.0A CN108232095A (en) | 2016-12-22 | 2016-12-22 | The assembly method of the whole beam welding method of lug and lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108232095A true CN108232095A (en) | 2018-06-29 |
Family
ID=62657150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200299.0A Pending CN108232095A (en) | 2016-12-22 | 2016-12-22 | The assembly method of the whole beam welding method of lug and lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108232095A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244348A (en) * | 2018-09-14 | 2019-01-18 | 湖北金泉新材料有限责任公司 | A kind of battery assembly technology and assembly device |
| CN109860496A (en) * | 2018-12-18 | 2019-06-07 | 江苏塔菲尔新能源科技股份有限公司 | A kind of welding method and device of battery pole ear |
| CN112652865A (en) * | 2020-07-15 | 2021-04-13 | 中航锂电（洛阳）有限公司 | Battery and battery manufacturing method |
| CN112975105A (en) * | 2021-02-08 | 2021-06-18 | 昆山聚创新能源科技有限公司 | Method for welding tab and connecting sheet, battery and preparation method thereof |
| CN114171805A (en) * | 2021-12-03 | 2022-03-11 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembling method thereof |
| CN116581364A (en) * | 2023-06-15 | 2023-08-11 | 宁夏宝丰昱能科技有限公司 | Battery and method of manufacture |
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| CN103178292A (en) * | 2013-02-05 | 2013-06-26 | 中聚电池研究院有限公司 | Lithium ion battery and assembly method thereof |
| CN205542998U (en) * | 2015-12-21 | 2016-08-31 | 江西迪比科股份有限公司 | High power wet process cellulose non -woven fabrics diaphragm paper structure aluminum hull lithium ion secondary cell |
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| CN103178292A (en) * | 2013-02-05 | 2013-06-26 | 中聚电池研究院有限公司 | Lithium ion battery and assembly method thereof |
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| CN205542998U (en) * | 2015-12-21 | 2016-08-31 | 江西迪比科股份有限公司 | High power wet process cellulose non -woven fabrics diaphragm paper structure aluminum hull lithium ion secondary cell |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244348A (en) * | 2018-09-14 | 2019-01-18 | 湖北金泉新材料有限责任公司 | A kind of battery assembly technology and assembly device |
| CN109244348B (en) * | 2018-09-14 | 2021-11-23 | 湖北亿纬动力有限公司 | Battery assembly process and assembly device |
| CN109860496A (en) * | 2018-12-18 | 2019-06-07 | 江苏塔菲尔新能源科技股份有限公司 | A kind of welding method and device of battery pole ear |
| CN112652865A (en) * | 2020-07-15 | 2021-04-13 | 中航锂电（洛阳）有限公司 | Battery and battery manufacturing method |
| CN112975105A (en) * | 2021-02-08 | 2021-06-18 | 昆山聚创新能源科技有限公司 | Method for welding tab and connecting sheet, battery and preparation method thereof |
| CN114171805A (en) * | 2021-12-03 | 2022-03-11 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembling method thereof |
| CN114171805B (en) * | 2021-12-03 | 2024-01-26 | 合肥国轩高科动力能源有限公司 | Lithium ion battery structure and assembly method thereof |
| CN116581364A (en) * | 2023-06-15 | 2023-08-11 | 宁夏宝丰昱能科技有限公司 | Battery and method of manufacture |
| CN116581364B (en) * | 2023-06-15 | 2024-01-30 | 宁夏宝丰昱能科技有限公司 | Battery and method of manufacture |
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Application publication date: 20180629 |