CN112670589A - Method for pasting glue on lithium ion battery cell - Google Patents
Method for pasting glue on lithium ion battery cell Download PDFInfo
- Publication number
- CN112670589A CN112670589A CN202011561931.0A CN202011561931A CN112670589A CN 112670589 A CN112670589 A CN 112670589A CN 202011561931 A CN202011561931 A CN 202011561931A CN 112670589 A CN112670589 A CN 112670589A
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- CN
- China
- Prior art keywords
- adhesive
- film
- lithium ion
- release film
- battery cell
- 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000003292 glue Substances 0.000 title claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 claims abstract description 58
- 239000002313 adhesive film Substances 0.000 claims abstract description 42
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000005587 bubbling Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 18
- 230000006872 improvement Effects 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000004956 cell adhesive effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
Abstract
The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery glue pasting method, which comprises the following operations: 1) selecting adhesive paper with the width larger than the width of the battery cell, wherein the adhesive paper comprises an adhesive film and a release film which are mutually bonded; 2) rolling the adhesive paper on the two sides; 3) attaching one end of the adhesive tape to the battery cell, and rolling the surface of the adhesive tape to transfer the adhesive film to the surface of the battery cell; 4) and separating the release film to finish the rubberizing of the lithium ion battery. The width of the adhesive tape is larger than that of the battery core, so that the subsequent equipment is favorably used for separating the release film of the adhesive tape, manual film tearing is not needed, the excellent rate of adhesive tape sticking is improved, and the labor cost is greatly reduced. Because the surface of the battery core is a curved surface, the adhesive film is attached to the battery core when the upper surface of the adhesive tape is rolled, so that the contact between the adhesive tape and the battery core from line to surface is ensured, the defects of wrinkling, bubbling and the like can be avoided when the adhesive tape is attached in a large area, the reject ratio and the rework rate of the battery core adhesive attaching process are greatly reduced, and the production efficiency is favorably improved.
Description
Technical Field
The invention belongs to the technical field of lithium ion batteries, and particularly relates to a method for pasting a glue on a lithium ion battery core.
Background
Nowadays, green, high-efficiency secondary batteries are vigorously developed in various countries. As a novel secondary battery, the lithium ion battery has a plurality of excellent performances such as small volume, high energy density, long cycle life, convenient use and the like, and the application of the rechargeable lithium ion battery in consumer electronics is continuously expanded, so that the rechargeable lithium ion battery is popular with consumers and becomes a daily necessity.
With the common application of polymer lithium ion batteries in daily life, for example, a series of electronic products such as notebook computers, mobile phones and charge pal have the problem of fire and explosion caused by careless falling in the using process, so that the falling of the battery is a very core index for evaluating the safety performance of the lithium ion battery.
The battery is heavier and heavier when the 5G era comes, the anti-falling safety risk is also emphasized, the current falling failure reasons mainly include diaphragm turning, aluminum foil tearing and the like, wherein the aluminum foil tearing risk is the largest, and the aluminum foil tearing risk causes a series of failure phenomena such as internal short circuit, diaphragm turning, tab breakage, aluminum plastic film breakage and the like.
Naked electric core and plastic-aluminum membrane are bonded through hot melt double faced adhesive tape to the industry main at present, prevent relative movement, and then reduce the torn risk of aluminium foil. However, with high energy density and high voltage system electrolyte, the requirement on high capacity demand improvement and processability is strict, the hot-melt double-sided adhesive tape exposes many short plate problems such as too thick thickness, inadaptability to novel electrolyte and incompatibility of various types of electrolyte to cause a series of problems of viscosity degradation, adhesive tape area limitation, processing bubbles, crumpling, finished battery bubbles and the like, and further influences the safety performance of the battery, and the productivity and brand of enterprises bring a hidden danger to the industry.
In view of the above, it is necessary to provide a technical solution to solve the above technical problems.
Disclosure of Invention
One of the objects of the present invention is: aiming at the defects of the prior art, the method for pasting the lithium ion battery cell is provided, so that wrinkling and bubbles in the process of pasting the lithium ion battery cell in a large area are avoided, the quality and the goodness of pasting the lithium ion battery cell are improved, and the labor cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for pasting a glue on a lithium ion battery cell comprises the following operations:
1) selecting adhesive paper with the width larger than the width of the battery cell, wherein the adhesive paper comprises an adhesive film and a release film which are mutually bonded;
2) rolling the gummed paper on the double sides;
3) attaching one end of the gummed paper to the electric core, and rolling the surface of the gummed paper to transfer the gummed film to the surface of the electric core;
4) and separating the release film to finish the rubberizing of the lithium ion battery.
As an improvement of the method for pasting the adhesive to the lithium ion battery core, the release film comprises a central area and edge areas arranged at two sides of the central area, the central area covers the adhesive film, and the width of the release film is greater than that of the battery core. The width of release film and glued membrane of adhesive tape among the prior art is the same, pastes the glued membrane to electric core after, needs the manual work to tear off the release film, leads to the cost of labor cost just higher. According to the invention, the width of the release film is set to be larger than that of the adhesive film, so that the release film can be separated from the adhesive film along the edge area of the release film by using a machine, automatic production is realized, and the labor cost is reduced.
As an improvement of the method for sticking the adhesive to the lithium ion battery cell, the width of the edge area is 2-5 mm, and the width of one end of the release film exceeding the battery cell is 2-5 mm. When the width of glued membrane was 50mm, so set up the width from the type membrane, be favorable to using the machine to separate type membrane and glued membrane separation.
As an improvement of the method for pasting the adhesive on the lithium ion battery cell of the invention, in 2), the adhesive paper is rolled on both sides by a roller mechanism, the roller mechanism comprises a supporting roller arranged below the adhesive paper and a hot roller arranged above the adhesive paper, the adhesive paper is fed along the supporting roller, and the hot roller rolls the upper surface of the adhesive paper. The adhesive film is firstly glued by the roller mechanism, the supporting roller and the hot roller continuously move in the gluing process, and the supporting roller and the hot roller roll the adhesive paper simultaneously to discharge air bubbles in the adhesive paper in time.
As an improvement of the method for pasting the adhesive to the lithium ion battery core, in 3), the surface of the adhesive paper is rolled by the hot roller to transfer the adhesive film to the surface of the battery core. The function of the hot roller is to further discharge air bubbles when the adhesive film is transferred to the aluminum foil on the surface of the bare cell from the original release film.
As an improvement of the lithium ion battery core gluing method, the pressure of the hot roller is 0.2-1.0 Mpa. The pressure of the hot roller can not be too large, and the pressure of the hot roller is too large, so that the battery core can be subjected to too large pressure, and the battery core is deformed. When the pressure of the heat roller is too small, bubbles cannot be completely discharged. Preferably, the pressure of the hot roll is 0.2 to 0.6 MPa. More preferably, the pressure of the hot roll is 0.2MPa, 0.3MPa, 0.4MPa, 0.5MPa or 0.6 MPa.
As an improvement of the lithium ion battery core gluing method, the temperature of the hot roller is 25-85 ℃. The temperature of the hot roller cannot be too high, so that the release film is melted, and the release film and the adhesive film cannot be thoroughly separated; the temperature of the hot roller cannot be too low, and the bubbles in the rubberizing process cannot be discharged timely due to too low temperature. Preferably, the temperature of the hot roll is 40-50 ℃. More preferably, the temperature of the hot roll is 40 deg.C, 42 deg.C, 44 deg.C, 46 deg.C, 48 deg.C or 50 deg.C.
As an improvement of the method for sticking the adhesive to the lithium ion battery cell, the time for transferring the adhesive film to the surface of the battery cell is 1-10 s. Preferably, the time for transferring the adhesive film to the surface of the battery cell is 1-3 s, and the adhesive film is specifically arranged according to the size of the battery cell. Further preferably, the time for transferring the adhesive film to the surface of the battery cell is 1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s or 10 s.
As an improvement of the method for sticking the adhesive to the lithium ion battery cell, the edge area of the release film is absorbed by a sucking disc to separate the adhesive film from the release film. After the battery core is rubberized, a sucker can be arranged, the edge area of the release film is sucked by the vacuum sucker, then the sucker is pulled upwards, the release film is torn off, the adhesive film is separated from the release film, and the battery core rubberizing is completed.
As an improvement of the method for sticking the adhesive to the lithium ion battery cell, the edge area of the release film is blown to separate the adhesive film from the release film. Blow from bottom to top at electric core main part side, make the marginal area perk certain radian from the type membrane, can use the manipulator to separate from type membrane and glued membrane, realize the machine dyestripping.
Compared with the prior art, the invention at least has the following beneficial effects: the invention provides a method for sticking a glue on a lithium ion battery cell, which comprises the following operations: 1) selecting adhesive paper with the width larger than the width of the battery cell, wherein the adhesive paper comprises an adhesive film and a release film which are mutually bonded; 2) rolling the gummed paper on the double sides; 3) attaching one end of the gummed paper to the electric core, and rolling the surface of the gummed paper to transfer the gummed film to the surface of the electric core; 4) and separating the release film to finish the rubberizing of the lithium ion battery.
The adhesive paper with the width larger than the width of the battery core is selected to replace double-sided hot melt adhesive in the prior art, and the adhesive paper with the width larger than the width of the battery core is beneficial to separating a release film of the adhesive paper by subsequent equipment without manually tearing the film, so that the adhesive sticking rate is improved, and the labor cost is greatly reduced.
According to the invention, the adhesive paper is firstly rolled on the two sides, then the adhesive film is attached to the battery cell when being attached to the surface of the battery cell, and the upper surface of the adhesive paper is continuously rolled, because the surface of the battery cell is a curved surface, the adhesive film is attached to the battery cell when the upper surface of the adhesive paper is rolled, the contact between the adhesive paper and the battery cell from line to surface is ensured, the defects of wrinkling, bubbling and the like can be avoided when large-area adhesive pasting is carried out, the reject ratio and the rework ratio of the battery cell adhesive pasting process are greatly reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a sectional view of the adhesive paper in example 1.
Fig. 2 is a schematic structural view of the roller mechanism in embodiment 1.
Fig. 3 is a schematic structural diagram of a cell in embodiment 1.
Wherein: 1-adhesive tape, 11-adhesive film, 12-release film, 121-edge area, 2-battery cell, 3-supporting roller and 4-hot roller.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 to 3, the method for pasting the lithium ion battery core includes the following operations:
1) selecting adhesive paper 1 with the width larger than that of the battery cell 2, wherein the adhesive paper 1 comprises an adhesive film 11 and a release film 12 which are bonded with each other;
2) rolling the adhesive paper 1 on the double sides;
3) attaching one end of the adhesive tape 1 to the battery cell 2, and rolling the surface of the adhesive tape 1 to transfer the adhesive film 11 to the surface of the battery cell 2;
4) and separating the release film 12 to finish the rubberizing of the lithium ion battery.
The adhesive tape 1 with the width larger than that of the battery core 2 is selected to replace double-sided hot melt adhesive in the prior art, and the adhesive tape 1 with the width larger than that of the battery core 2 is beneficial to separating the release film 12 of the adhesive tape 1 by subsequent equipment without manually tearing the film, so that the adhesive tape has high application rate and greatly reduces the labor cost.
According to the invention, the adhesive tape 1 is firstly rolled on the two sides, then the adhesive film 11 is attached to the surface of the battery core 2, and the upper surface of the adhesive tape 1 is continuously rolled, because the surface of the battery core 2 is a curved surface, the adhesive film 11 is attached to the battery core 2 when the upper surface of the adhesive tape 1 is rolled, so that the contact between the adhesive tape 1 and the battery core 2 from line to surface is ensured, defects such as wrinkling, bubble formation and the like can be avoided when large-area adhesive tape is attached, the reject ratio and rework rate of a battery core adhesive tape attaching process are greatly reduced, and the production efficiency is improved.
Further, the release film 12 includes a central region and edge regions 121 disposed at two sides of the central region, the central region covers the adhesive film 11, and the width of the release film 12 is greater than the width of the battery cell 2. The width of release film 12 and glued membrane 11 of adhesive tape 1 among the prior art is the same, pastes glued membrane 11 to electric core 2 after, needs the manual work to tear off from release film 12, leads to the cost of labor just higher. According to the invention, the width of the release film 12 is set to be larger than that of the adhesive film 11, namely, the release film 12 and the adhesive film 11 can be separated along the edge area 121 of the release film 12 by using a machine, so that automatic production is realized, and the labor cost is reduced.
Further, the width of the edge area 121 is 2-5 mm, and the width of one end of the release film 12 exceeding the battery cell 2 is 2-5 mm. When the width of glued membrane 11 is 50mm, so set up the width of release film 12, be favorable to using the machine to separate release film 12 and glued membrane 11.
Further, in 2), the adhesive paper 1 is double-side rolled through a roller mechanism, the roller mechanism comprises a supporting roller 3 arranged below the adhesive paper 1 and a hot roller 4 arranged above the adhesive paper 1, the adhesive paper 1 is fed along the supporting roller 3, and the hot roller 4 rolls the upper surface of the adhesive paper 1. The adhesive film 11 is firstly glued by adopting a roller mechanism, the supporting roller 3 and the hot roller 4 continuously move in the gluing process, and the supporting roller 3 and the hot roller 4 roll the adhesive paper 1 simultaneously to discharge air bubbles in the adhesive paper 1 in time.
Further, in 3), the surface of the adhesive sheet 1 is rolled by the hot roller 4 to transfer the adhesive sheet 11 to the surface of the battery cell 2. The heat roller 4 functions to further discharge bubbles while transferring the adhesive film 11 from the original release film 12 to the aluminum foil on the surface of the bare cell.
Further, the pressure of the heat roller 4 was 0.4 MPa. The pressure of the hot roller 4 cannot be too large, and the pressure of the hot roller 4 is too large, so that the battery cell 2 is subjected to too large pressure, and the battery cell 2 is deformed. The bubbles cannot be completely discharged if the pressure of the heat roller 4 is too small.
Further, the temperature of the heat roller 4 was 45 ℃. The temperature of the hot roller 4 cannot be too high, so that the release film 12 is melted, and the release film 12 and the adhesive film 11 cannot be completely separated; the temperature of the hot roller 4 cannot be too low, and the bubbles in the rubberizing process cannot be discharged in time due to too low temperature.
Further, the time for transferring the adhesive film 11 to the surface of the battery cell 2 is 3 seconds.
Further, the adhesive film 11 and the release film 12 are separated by blowing air to the edge area 121 of the release film 12. Blowing from bottom to top at electric core 2 main part side, making the marginal area 121 perk certain radian from type membrane 12, can use the manipulator to separate from type membrane 12 and glued membrane 11, realize the machine and tear the membrane.
Example 2
The present embodiment provides a method for pasting a lithium ion battery cell, which is different from embodiment 1 in that a suction cup is used to suck the edge region 121 of the release film 12 to separate the adhesive film 11 and the release film 12. After the electrical core rubberizing, a sucker can be arranged, the edge area 121 of the release film 12 is sucked by the vacuum sucker, then the sucker is pulled upwards, the release film 12 is torn off, the adhesive film 11 is separated from the release film 12, and the electrical core rubberizing is completed.
The rest is the same as embodiment 1, and the description is omitted here.
Variations and modifications to the above-described embodiments may also occur to those skilled in the art, which fall within the scope of the invention as disclosed and taught herein. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious improvement, replacement or modification made by those skilled in the art based on the present invention is within the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A method for pasting a glue on a lithium ion battery cell is characterized by comprising the following operations:
1) selecting adhesive paper with the width larger than the width of the battery cell, wherein the adhesive paper comprises an adhesive film and a release film which are mutually bonded;
2) rolling the gummed paper on the double sides;
3) attaching one end of the gummed paper to the electric core, and rolling the surface of the gummed paper to transfer the gummed film to the surface of the electric core;
4) and separating the release film to finish the rubberizing of the lithium ion battery.
2. The method for pasting the adhesive on the lithium ion battery core according to claim 1, wherein the release film comprises a central region and edge regions disposed at two sides of the central region, the central region covers the adhesive film, and the width of the release film is greater than that of the battery core.
3. The method for pasting the adhesive on the lithium ion battery core according to claim 2, wherein the width of the edge area is 2-5 mm, and the width of one end of the release film exceeding the battery core is 2-5 mm.
4. The method of claim 1, wherein in 2), the adhesive paper is double-side rolled by a roller mechanism, the roller mechanism comprises a support roller disposed below the adhesive paper and a hot roller disposed above the adhesive paper, the adhesive paper is fed along the support roller, and the hot roller rolls the upper surface of the adhesive paper.
5. The method of claim 4, wherein in 3), the surface of the adhesive paper is rolled by the hot roller to transfer the adhesive film to the surface of the battery cell.
6. The method for pasting the lithium ion battery core according to claim 4 or 5, wherein the pressure of the hot roller is 0.2-1.0 MPa.
7. The method for pasting the lithium ion battery core according to claim 4 or 5, wherein the temperature of the hot roller is 25-85 ℃.
8. The method for pasting the adhesive on the lithium ion battery cell according to claim 4 or 5, wherein the time for transferring the adhesive film to the surface of the battery cell is 1-10 s.
9. The method for sticking the adhesive to the lithium ion battery cell according to claim 2, wherein an edge region of the release film is sucked by a suction cup to separate the adhesive film from the release film.
10. The method for sticking the adhesive to the lithium ion battery cell according to claim 2, wherein the adhesive film and the release film are separated by blowing air to an edge region of the release film.
Priority Applications (1)
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CN202011561931.0A CN112670589A (en) | 2020-12-25 | 2020-12-25 | Method for pasting glue on lithium ion battery cell |
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CN202011561931.0A CN112670589A (en) | 2020-12-25 | 2020-12-25 | Method for pasting glue on lithium ion battery cell |
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Citations (8)
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---|---|---|---|---|
US20130071740A1 (en) * | 2011-09-20 | 2013-03-21 | Nitto Denko Corporation | Pressure-sensitive adhesive tape for battery |
CN103138009A (en) * | 2013-03-25 | 2013-06-05 | 天津力神电池股份有限公司 | Device for automatically attaching adhesive tape on side edge of cell |
JP2019029091A (en) * | 2017-07-26 | 2019-02-21 | 株式会社豊田自動織機 | Peeling apparatus |
CN110733718A (en) * | 2019-11-14 | 2020-01-31 | 深圳市达特尔机器人有限公司 | film tearing method, film tearing device and film tearing machine applied to same |
CN210030536U (en) * | 2019-03-15 | 2020-02-07 | 惠州市法斯特电子有限公司 | Adhesive tape for battery core |
CN210110993U (en) * | 2019-07-16 | 2020-02-21 | 江苏塔菲尔新能源科技股份有限公司 | Naked electric core of lithium ion battery |
CN111876082A (en) * | 2020-06-16 | 2020-11-03 | 惠州锂威新能源科技有限公司 | Protective adhesive for preventing lithium ion battery from falling and anti-falling lithium ion battery |
CN112054243A (en) * | 2020-08-18 | 2020-12-08 | 东莞市澳中电子材料有限公司 | Lithium battery cell rubberizing system and discontinuous double-sided tape suitable for same |
-
2020
- 2020-12-25 CN CN202011561931.0A patent/CN112670589A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130071740A1 (en) * | 2011-09-20 | 2013-03-21 | Nitto Denko Corporation | Pressure-sensitive adhesive tape for battery |
CN103138009A (en) * | 2013-03-25 | 2013-06-05 | 天津力神电池股份有限公司 | Device for automatically attaching adhesive tape on side edge of cell |
JP2019029091A (en) * | 2017-07-26 | 2019-02-21 | 株式会社豊田自動織機 | Peeling apparatus |
CN210030536U (en) * | 2019-03-15 | 2020-02-07 | 惠州市法斯特电子有限公司 | Adhesive tape for battery core |
CN210110993U (en) * | 2019-07-16 | 2020-02-21 | 江苏塔菲尔新能源科技股份有限公司 | Naked electric core of lithium ion battery |
CN110733718A (en) * | 2019-11-14 | 2020-01-31 | 深圳市达特尔机器人有限公司 | film tearing method, film tearing device and film tearing machine applied to same |
CN111876082A (en) * | 2020-06-16 | 2020-11-03 | 惠州锂威新能源科技有限公司 | Protective adhesive for preventing lithium ion battery from falling and anti-falling lithium ion battery |
CN112054243A (en) * | 2020-08-18 | 2020-12-08 | 东莞市澳中电子材料有限公司 | Lithium battery cell rubberizing system and discontinuous double-sided tape suitable for same |
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Application publication date: 20210416 |