CN113725560A - Soft-package battery connecting plate, tab welding tool and welding method thereof - Google Patents
Soft-package battery connecting plate, tab welding tool and welding method thereof Download PDFInfo
- Publication number
- CN113725560A CN113725560A CN202110835080.2A CN202110835080A CN113725560A CN 113725560 A CN113725560 A CN 113725560A CN 202110835080 A CN202110835080 A CN 202110835080A CN 113725560 A CN113725560 A CN 113725560A
- Authority
- CN
- China
- Prior art keywords
- welding
- tab
- sheet
- copper sheet
- nickel
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 80
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 47
- 239000010949 copper Substances 0.000 claims abstract description 47
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 40
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract description 3
- 239000011888 foil Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
- H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
-
- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
Abstract
The invention relates to the field of battery welding, and discloses a soft package battery connecting plate which comprises a connecting main body, wherein a nickel-plated copper sheet or nickel sheet is arranged on the connecting main body, and the copper sheet or nickel sheet is arranged on two sides of the connecting main body in a comb-tooth shape; the lug welding tool comprises a welding base for placing the battery cell and a supporting unit arranged on the welding base, wherein the supporting unit comprises guide strips arranged in a comb shape; the method for welding the lug comprises the steps of installing the battery module into a welding base; mounting the support unit on a welding base; then inserting the copper sheet or the nickel sheet which is arranged in a comb shape below the lug; and moving the electrode lug to laser welding equipment, and welding after the electrode lug is compressed by a welding pressure head. The invention can cancel the action of pole ear penetration, and adopts the supporting unit for supporting, thus not increasing the weight and cost of the bus bar or the PCB, only needing one-time welding and reducing the stress of the pole ear after welding.
Description
Technical Field
The invention relates to the field of battery welding, in particular to a soft package battery connecting plate, a tab welding tool and a welding method thereof.
Background
The tab welding of the soft package lithium ion battery refers to that after the battery cell electrode plates are stacked, one end of each electrode plate extends out of one electrode tab foil, wherein the positive electrode is an aluminum foil, the negative electrode is a copper foil, and after the electrode tab foils are aligned, the electrode tab foils and the electrode tab foils need to be welded together to form a battery cell, so that the lithium ion battery has a smooth electron conduction path in the charging and discharging process.
At present laminate polymer battery utmost point ear welded connecting plate structure mainly has two kinds, and the scheme adopts plastic support cooperation busbar, carries out laser welding or ultrasonic bonding, again through pencil or FPC welding sampling. And the second scheme is that a copper sheet is pasted on the PCB, the tabs are bent on the copper sheet and then are welded by laser, and then the sampling is carried out through the PCB.
The existing method mainly has the following problems:
1. in the first scheme, a plurality of parts are required to be combined, the integration degree is low, and a bus bar and a collection line are required to be welded twice;
2. when the first scheme and the second scheme are welded, the bus bar or the PCB is supported by the bus bar or the PCB, and the bus bar or the PCB needs to have thicker thickness to avoid welding penetration, so that the weight and the cost are higher;
3. when welding, the tab penetrates through a gap of the connecting plate to be tightly attached to the copper sheet so as to ensure that an effective welding seam is formed during welding, a certain space is needed when the tab is tightly pressed with the copper sheet, and a welding area needs to be avoided, so that the pad needs to have enough width, for example, the width is more than or equal to 4.4mm, but the thickness of the battery cell is limited, so that the gap through which the tab is allowed to penetrate is narrow (the maximum width of the existing gap is 2mm), and the tab penetrating before the welding step is difficult;
4. the equal rigidity in busbar position is fixed in scheme one, scheme two, and electric core position removal after the electric core inflation, the electric core utmost point ear of both sides can receive great pulling force, probably leads to utmost point ear fracture.
Disclosure of Invention
The invention aims to provide a soft-package battery connecting plate, a pole lug welding tool and a welding method thereof, which can eliminate the action of pole lug penetration, are supported by a supporting unit, do not need to increase the weight and cost of a bus bar or a PCB (printed circuit board), only need one-time welding and can reduce the stress of the welded pole lug.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the soft-package battery connecting plate comprises a connecting main body, wherein a copper sheet or a nickel sheet is arranged on the connecting main body, nickel is plated on the surface of the copper sheet, and the copper sheet or the nickel sheet is arranged on two sides of the connecting main body in a comb-tooth shape. The copper sheet or the nickel sheet of the connecting plate is designed into a comb-shaped structure, and the action of penetrating a tab is cancelled; the welded copper sheet or nickel sheet is in a cantilever state, and is easy to deform when stressed, so that the stress of the electrode lug in subsequent use can be reduced.
Further, the thickness of the copper sheet or the nickel sheet is between 0.1 and 0.3 mm. The battery core has high flexibility, and after the battery core expands, the copper sheet or the nickel sheet can rotate and deform, so that the tab is prevented from being subjected to high tensile force.
The invention also provides a tab welding tool matched with the soft-package battery connecting plate, which comprises a welding base for placing the battery cell and a supporting unit arranged on the welding base, wherein the supporting unit comprises guide strips arranged in a comb shape. The guide bars of the supporting units are used for supporting the tabs without increasing the weight and cost of the bus bar or the PCB.
Furthermore, a gasket is arranged on the guide strip corresponding to the lug. After the copper sheet or the nickel sheet is welded through, the gasket is still used for isolation, and effective forming of the welding line is guaranteed.
Further, the gasket is a ceramic sheet. The welding seam can not be adhered with the ceramic chip, and the welding goodness is greatly improved.
Further, the supporting unit also comprises a supporting frame, and the guide strip is arranged on the supporting frame. For mounting the guide strip.
The invention also provides a tab welding method, which comprises the following steps:
the battery module is arranged in the welding base;
mounting the support unit on a welding base, wherein guide strips which are arranged in a comb shape are positioned below the lugs;
then placing the copper sheet or the nickel sheet arranged in a comb shape below the lug, and folding the lug onto the copper sheet or the nickel sheet of the connecting plate;
moving the electrode to welding equipment, and welding after the electrode lugs are pressed by a welding pressure head;
and (4) after welding, moving out the welding equipment, detaching the supporting unit and completing welding.
And in one-time welding, the supporting unit supports the lug, the copper sheet or the nickel sheet.
Furthermore, after the supporting unit is positioned on the welding base, each gasket on the supporting unit is respectively positioned below each tab. The gasket can avoid the copper sheet or the nickel sheet after being welded through to damage the pole piece.
Further, the gasket adopts a ceramic plate. The ceramic plate can be prevented from being damaged by laser so as to ensure the formation of a welding seam.
Further, after the pole lugs are pressed tightly, the pole lugs, the copper sheets or the nickel sheets and the gaskets are overlapped from top to bottom, and the pole lugs are welded in the areas where the gaskets are located.
Further, after the supporting unit is disassembled, the gasket is separated from the lug, and a welding seam is formed.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
1. a copper sheet or a nickel sheet is pasted on the connecting main body, the lug is directly welded on the copper sheet or the nickel sheet, and the electric connection and the sampling connection can be realized through one-time welding.
2. The copper sheet or the nickel sheet of the connecting plate is designed into a comb-shaped structure, the tabs only need to penetrate into gaps among the comb-shaped structures, the gaps of the comb-shaped structures are large and can reach 6-8mm, and the mounting is easy, so that the tab penetrating action is cancelled, and the connecting plate is directly mounted at a preset position of the supporting unit with the aid of the supporting unit.
3. The welding is supported by the supporting unit during welding, and the ceramic plates are attached to the corresponding welding positions on the supporting unit, so that the welding seam can be ensured to be well formed even if the welding is penetrated; in addition, the bus bar can be greatly thinned, the weight is reduced, and the cost is reduced.
4. The thickness of the copper sheet or the nickel sheet on the connecting main body is only 0.1-0.3mm, the copper sheet or the nickel sheet is of a cantilever structure and has larger flexibility, and after the battery core expands, the copper sheet or the nickel sheet can rotate and deform, so that the lug is prevented from being subjected to larger pulling force.
Drawings
Fig. 1 is a schematic view of the tab welding of the present invention;
FIG. 2 is an exploded view of the welding tool and the battery module of the present invention;
FIG. 3 is a view showing the construction of a connecting plate according to the present invention;
FIG. 4 is a view showing the construction of the supporting unit of the present invention;
fig. 5 is a structural view of a battery module using the connecting plate according to the present invention.
The names of the parts indicated by the numerical references in the drawings are as follows: the battery module comprises a base 1, a base 2, a quick clamp 3, a platform 4, a support frame 5, a guide strip 6, a battery cell edge sealing edge 7, a pole lug 8, a gasket 9, a connecting main body 10, a copper sheet or a nickel sheet 11, a connector clip 12, a bonding pad 13 and a battery module 13.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Example 1
As shown in fig. 1, 2 and 4, the tab welding tool includes a welding base 1 for placing a battery cell, a quick clamp 2 for locking the welding base 1, and a supporting unit for supporting a tab 7, wherein a platform 3 for installing the supporting unit is arranged at the upper end of the welding base 1, and the supporting unit is arranged on the platform 3. Quick clamp 2 sets up in welding base 1 side, and the support element is including the support frame 4 that is the U type, be the gib block form 5 of setting in support frame 4, and gib block 5 can make things convenient for the support element to penetrate the clearance between electric core banding 6 and be used for supporting utmost point ear 7. The cross section of support frame 4 is the type, can fix a position on platform 3 on the horizontal plane after pushing into platform 3 with support frame 4, plays limiting displacement. In this embodiment, the inner ends of the left and right sides of the supporting frame 4 are used as a guiding strip 5.
The guide strip 5 is provided with a groove corresponding to the pole lugs 7, a gasket 8 is embedded in the groove, and each pole lug 7 is provided with a corresponding gasket 8. In the present embodiment, the spacer 8 is a ceramic plate. The ceramic wafer has extremely high heat resistance, when the copper sheet or the nickel sheet 10 of the connecting plate is welded through by laser welding equipment, the ceramic wafer cannot be damaged by laser, effective forming of a welding line can still be guaranteed, the welding line cannot be adhered to the ceramic wafer, and the welding goodness is greatly improved. The tab 7 of the battery is overlapped with the gasket 8 up and down.
Example 2
As shown in fig. 1, 2, 3 and 5, the pouch battery connecting plate includes a connecting body 9, and in this embodiment, the connecting body 9 is a PBC plate. Copper sheets or nickel sheets 10 are welded on the two sides of the width of the connecting main body 9 through reflow soldering and are used for being welded with the pole lugs 7. Plating nickel on the surface of the copper sheet. Copper sheets or nickel sheets 10 are welded on both sides of the width of the connecting body 9 in a comb-tooth shape. The thickness of the copper sheet or the nickel sheet 10 is between 0.1 and 0.3mm, and the copper sheet or the nickel sheet 10 is thin, so that the phenomenon of welding through is easy to occur. The welded copper sheet or nickel sheet 10 is in a cantilever state, is easy to deform when stressed, and can reduce the stress of the tab 7 in subsequent use. The tab 7, the copper sheet or nickel sheet 10 and the gasket 8 of the battery are overlapped from top to bottom.
In this embodiment, a nickel-plated copper sheet is used. The connecting body 9 is provided with a connector 11, and the connecting body 9 is wired and collected at the connector 11 at each pad 12 to realize voltage sampling. The position and the number of the plug-in connectors 11 can be adjusted according to the product requirements. Vias are provided on the pads 12 at both ends of the connecting body 9 as shown in fig. 3, allowing current to flow from the bottom surface to the top surface of the connecting body 9. The pad 12 on the top surface of the connecting body 9 is welded with the total positive/negative connecting line to realize current input and output.
Example 3
The tab welding method comprises the following steps:
the battery module 13 is arranged in the welding base 1 and is locked by the quick clamp 2;
after the battery module 13 is installed in place, the supporting unit is installed on the platform 3, in the process of installing the supporting unit, the tabs 7 penetrate through gaps among the guide strips which are arranged in a comb-tooth shape, the guide strips 5 are positioned below the tabs 7, and after the supporting unit is positioned, each gasket 8 of the supporting unit is respectively positioned below each tab 7;
then inserting the copper sheet or nickel sheet 10 arranged in a comb shape into the lower part of the tab 7 from the gap of the guide strip, so that the tab 7 is folded onto the copper sheet or nickel sheet 10 of the connecting plate, and the gasket 8 is positioned below the copper sheet or nickel sheet 10; in this embodiment, a nickel-plated copper sheet is selected, and a laser welding apparatus is selected as the welding apparatus.
Moving the electrode to laser welding equipment, and welding after the electrode lug 7 is pressed by a welding pressure head; after the tab 7 is pressed, the bent tab 7 of the battery core, the copper sheet of the connecting plate and the gasket 8 are overlapped from top to bottom, and the tab 7 is welded in the area of the gasket 8 by laser;
and (4) after welding, moving out the welding equipment, detaching the supporting unit, separating the gasket 8 from the tab 7 to form a welding line, and finishing welding.
In the present embodiment, the spacer 8 is a ceramic plate.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. Soft packet of battery connecting plate, including connecting main part (9), its characterized in that is equipped with copper sheet or nickel piece (10) on connecting main part (9), and copper sheet or nickel piece (10) are the setting of comb tooth form in the both sides of connecting main part (9).
2. The pouch cell connection plate according to claim 1, characterized in that the thickness of the copper or nickel sheet (10) is between 0.1 and 0.3 mm.
3. With laminate polymer battery connecting plate complex utmost point ear welding frock, its characterized in that, including welding base (1) that is used for placeeing electric core, the support element of setting on welding base (1), the support element is including being gib block (5) that comb tooth form was arranged.
4. The tab welding tool according to claim 3, wherein a gasket (8) is arranged on the guide strip (5) at a position corresponding to the tab (7) of the battery.
5. The tab welding tool according to claim 4, characterized in that the gasket (8) is a ceramic sheet.
6. The tab welding tool according to claim 3, wherein the support unit further comprises a support frame (4), and the guide strip (5) is arranged on the support frame (4).
7. The tab welding method is characterized by comprising the following steps:
installing a battery module (13) into the welding base (1);
the supporting unit is arranged on the welding base (1), and the guide strips (5) which are arranged in a comb shape are positioned below the lugs (7);
then placing the copper sheet or nickel sheet (10) which is arranged in a comb shape below the lug (7), so that the lug (7) is folded onto the copper sheet or nickel sheet (10) of the connecting plate, and the gasket (8) is positioned below the copper sheet or nickel sheet (10);
moving the electrode lug to welding equipment, and welding after the electrode lug (7) is pressed by a welding pressure head;
and (4) after welding, moving out the welding equipment, detaching the supporting unit and completing welding.
8. The tab welding method as claimed in claim 7, wherein after the support unit is positioned on the welding base (1), each spacer (8) thereon is positioned below each tab (7).
9. The tab welding method as claimed in claim 7, wherein the tab (7) is welded in the area of the gasket (8) after the tab (7) is compressed.
10. The tab welding method as claimed in claim 7, wherein the spacer (8) is separated from the tab (7) to form a weld after the support unit is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835080.2A CN113725560A (en) | 2021-07-23 | 2021-07-23 | Soft-package battery connecting plate, tab welding tool and welding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835080.2A CN113725560A (en) | 2021-07-23 | 2021-07-23 | Soft-package battery connecting plate, tab welding tool and welding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113725560A true CN113725560A (en) | 2021-11-30 |
Family
ID=78673829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110835080.2A Pending CN113725560A (en) | 2021-07-23 | 2021-07-23 | Soft-package battery connecting plate, tab welding tool and welding method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113725560A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564589A (en) * | 2023-11-27 | 2024-02-20 | 长春众升科技发展有限公司 | Copper bar welding equipment for new energy automobile |
| CN117564589B (en) * | 2023-11-27 | 2024-05-03 | 长春众升科技发展有限公司 | Copper bar welding equipment for new energy automobile |
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| JP3118439U (en) * | 2005-11-09 | 2006-01-26 | 古河電池株式会社 | Comb-shaped jig for welding the ear row of the electrode plate group of a storage battery |
| CN101593822A (en) * | 2009-06-13 | 2009-12-02 | 广东猛狮电源科技股份有限公司 | A kind of storage battery precast piece for busbar and with the welding method of accumulator plate |
| CN210325929U (en) * | 2019-09-12 | 2020-04-14 | 骆驼集团新能源电池有限公司 | Soft package lithium ion battery module |
| CN111033808A (en) * | 2017-12-19 | 2020-04-17 | 松下知识产权经营株式会社 | Bus bar and battery laminate |
| CN111295797A (en) * | 2018-06-14 | 2020-06-16 | 株式会社Lg化学 | Apparatus and method for measuring battery temperature |
| CN111418090A (en) * | 2018-09-21 | 2020-07-14 | 株式会社Lg化学 | Battery module including module bus bar |
| CN211480181U (en) * | 2020-02-28 | 2020-09-11 | 孚能科技(赣州)股份有限公司 | Tab bracket and battery module |
| CN112467287A (en) * | 2019-09-09 | 2021-03-09 | 三星Sdi株式会社 | Battery pack |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3118439U (en) * | 2005-11-09 | 2006-01-26 | 古河電池株式会社 | Comb-shaped jig for welding the ear row of the electrode plate group of a storage battery |
| CN101593822A (en) * | 2009-06-13 | 2009-12-02 | 广东猛狮电源科技股份有限公司 | A kind of storage battery precast piece for busbar and with the welding method of accumulator plate |
| CN111033808A (en) * | 2017-12-19 | 2020-04-17 | 松下知识产权经营株式会社 | Bus bar and battery laminate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564589A (en) * | 2023-11-27 | 2024-02-20 | 长春众升科技发展有限公司 | Copper bar welding equipment for new energy automobile |
| CN117564589B (en) * | 2023-11-27 | 2024-05-03 | 长春众升科技发展有限公司 | Copper bar welding equipment for new energy automobile |
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Application publication date: 20211130 |