CN213583953U - Rubber coating structure and battery - Google Patents
Rubber coating structure and battery Download PDFInfo
- Publication number
- CN213583953U CN213583953U CN202022454913.4U CN202022454913U CN213583953U CN 213583953 U CN213583953 U CN 213583953U CN 202022454913 U CN202022454913 U CN 202022454913U CN 213583953 U CN213583953 U CN 213583953U
- Authority
- CN
- China
- Prior art keywords
- core sheet
- rubber coating
- width
- equal
- roll
- 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.)
- Active
Links
- 238000010073 coating (rubber) Methods 0.000 title claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 31
- 229920000297 Rayon Polymers 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 12
- 229920002799 BoPET Polymers 0.000 claims description 3
- 229920005372 Plexiglas® Polymers 0.000 claims 1
- 239000004926 polymethyl methacrylate Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004383 yellowing 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
Landscapes
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The utility model relates to a battery technology field specifically discloses a rubber coating structure and battery. The utility model discloses a rubber coating structure is including setting up at the inboard viscose portion of rolling up core sheet and setting up the rubber coating portion in rolling up the core sheet outside, and the width of rubber coating portion is more than or equal to the width of rolling up core sheet, and the width of viscose portion is less than the width of rolling up core sheet, rolls up core sheet and can form around the edge winding of self tip and roll up the core body. The utility model discloses a rubber coating structure can avoid utmost point ear to rub even back viscose portion and utmost point ear contact and lead to utmost point ear adhesion to avoid influencing subsequent connection piece and the welding of utmost point ear. Furthermore, the utility model discloses rubber coating structure directly sets up rubber coating portion and viscose portion in two sides of rolling up core sheet, can reduce the material that consumes, also reduces processing equipment and manufacturing procedure to reduce manufacturing cost.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a rubber coating structure and battery.
Background
The battery usually comprises a winding core and a packaging shell, wherein the winding core usually comprises a positive plate, a negative plate, a diaphragm and an aluminum-plastic film, and the winding core is easily scratched by the battery shell when being arranged in the battery shell due to the fact that the width of the winding core is similar to the aperture of the battery shell; in addition, when the winding core is mounted in a battery case, an aluminum sheet around the winding core is in direct contact with the battery case, which easily causes a short circuit of the battery, and therefore, it is generally necessary to encapsulate the winding core.
The encapsulation structure of the current winding core usually comprises a first adhesive tape arranged in the middle of the winding core and a second adhesive tape arranged at two ends of the winding core, however, the encapsulation structure consumes more materials, and the processing equipment, the working procedure and the manufacturing cost are correspondingly increased.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a rubber coating structure, it can avoid utmost point ear to rub even back viscose portion and utmost point ear contact and lead to utmost point ear adhesion to avoid influencing subsequent connection piece and the welding of utmost point ear, low in manufacturing cost.
Another object of the embodiment of the present invention is to provide a battery, which has less material consumption, less processing steps and low manufacturing cost.
To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:
the first aspect provides a rubber coating structure, including setting up the viscose portion that rolls up core sheet inboard and setting up the rubber coating portion that rolls up core sheet outside, the width of rubber coating portion is greater than or equal to roll up core sheet's width, the width of viscose portion is less than roll up core sheet's width, roll up core sheet can wind around the edge of self tip and form and roll up the core body.
As a preferable mode of the encapsulation structure, the length of the encapsulation part is greater than or equal to the perimeter of the radial sectional pattern of the winding core body.
As a preferable mode of the rubber coating structure, protection portions are provided at both ends of the winding core sheet in the width direction, and the protection portions and the adhesive portions are provided at intervals.
As a preferable aspect of the rubber coating structure, an edge of the rubber coating portion in the width direction protrudes from an edge of the winding core sheet in the width direction, and both ends of the rubber coating portion in the width direction are provided with shielding portions extending in a direction of the rubber coating portion.
As a preferable aspect of the encapsulation structure, a distance between an edge of the adhesive section in the width direction and an edge of the core sheet in the width direction is 4.5mm or more and 5.5mm or less.
As a preferable mode of the encapsulating structure, the thickness of the encapsulating portion is greater than or equal to 0.05mm and less than or equal to 0.06 mm.
As a preferable mode of the encapsulating structure, the thickness of the adhesive part is greater than or equal to 0.015mm and less than or equal to 0.02 mm.
As a preferable mode of the encapsulating structure, the encapsulating portion is made of a PET film.
As a preferable mode of the encapsulation structure, the adhesive part is made of organic glass glue.
In a second aspect, a battery is provided, which comprises a roll core sheet, a housing, and the encapsulation structure, wherein the encapsulation structure is arranged on the roll core sheet, the roll core sheet can be wound around the edge of the end of the roll core sheet to form a roll core body, and the roll core body is arranged in the housing.
The utility model discloses beneficial effect does:
the utility model discloses a roll up core sheet, including the core sheet, the core sheet is including the core sheet, the core sheet is including the. Usually, roll up core sheet and wind into to roll up behind the core body, need rub flat to the utmost point ear of rolling up core body both ends usually, the utility model discloses the rubber coating structure can avoid utmost point ear to rub flat back viscose portion and utmost point ear contact and lead to the utmost point ear adhesion to avoid influencing the welding of subsequent connection piece and utmost point ear. Furthermore, the utility model discloses rubber coating structure directly sets up rubber coating portion and viscose portion in two sides of rolling up core sheet, can reduce the material that consumes, also reduces processing equipment and manufacturing procedure to reduce manufacturing cost.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic cross-sectional view of a rubber coating structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the winding core body according to an embodiment of the present invention.
Fig. 3 is a front view schematically illustrating an expansion structure of a core sheet according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structural view of a rubber coating structure according to another embodiment of the present invention.
Fig. 5 is a back view schematically illustrating an unfolded structure of the core sheet according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a battery according to an embodiment of the present invention.
In the figure:
1. a rubber coating structure; 11. a viscose part; 12. a glue coating part; 121. a shielding portion; 13. a protection part;
2. a roll core body; 21. winding the core sheet; 3. a housing.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, the embodiment of the present invention provides a rubber coating structure 1, including the viscose part 11 that sets up in the core sheet 21 inboard and the rubber coating part 12 that sets up in the core sheet 21 outside, the width of rubber coating part 12 is greater than or equal to the width of core sheet 21, and the width of viscose part 11 is less than the width of core sheet 21, and core sheet 21 can form core body 2 around the edge winding of self tip.
The embodiment of the utility model provides a form rubber coating structure 1 through set up viscose portion 11 and set up the rubber coating portion 12 in the roll core sheet 21 outside at roll core sheet 21 inboard, wherein, the width of rubber coating portion 12 is greater than or equal to the width of roll core sheet 21, the width of viscose portion 11 is less than the width of roll core sheet 21, roll core sheet 21 can form roll core body 2 around the edge winding of self tip, can wrap up the outside of protection roll core sheet 21 through rubber coating portion 12, and viscose portion 11 is because the width is less than the width of roll core sheet 21, can avoid contacting the edge of roll core sheet 21, just also avoid the utmost point ear of the 11 contact roll core bodies 2 of viscose portion. Generally, roll up core sheet 21 and roll up into roll core body 2 after, need rub flat to the utmost point ear of rolling up core body 2 both ends usually, the utility model discloses encapsulation structure 1 can avoid utmost point ear to rub flat back viscose portion 11 and utmost point ear contact and lead to the utmost point ear adhesion to avoid influencing subsequent connection piece and the welding of utmost point ear. Furthermore, the utility model discloses encapsulation structure 1 directly sets up rubber coating portion 12 and viscose portion 11 in two sides of rolling up core sheet 21, can reduce the material that consumes, also reduces processing equipment and manufacturing procedure to reduce manufacturing cost.
In an embodiment, referring to fig. 2 and 3, the length of the glue coating portion 12 is greater than or equal to the circumference of the radial cross-sectional pattern of the winding core body 2, so that after the winding core sheet 21 is wound into the winding core body 2, the glue coating portion 12 arranged on the outer side of the winding core body 2 can be ensured, meanwhile, the glue coating portion 12 arranged inside the winding core body 2 can be reduced, and the material consumption of the glue coating portion 12 can be saved.
In another embodiment, referring to fig. 4, the protection parts 13 are disposed at two ends of the winding core sheet 21 in the width direction (as shown by the arrow in fig. 4), and the protection parts 13 are disposed at intervals with the adhesive part 11, so as to ensure that the tab of the winding core body 2 is disposed at intervals with the adhesive part 11, and further avoid the adhesive part 11 from being adhered to the tab of the winding core body 2.
Preferably, protection portion 13 and roll up core sheet 21 swing joint set up protection portion 13 on roll up core sheet 21 width direction's both ends (namely roll up core body 2's utmost point ear department promptly) earlier, then set up viscose portion 11 at the middle part of roll up core sheet 21, guarantee utmost point ear and 11 interval settings of viscose portion, get rid of protection portion 13 again, carry out the welding of follow-up utmost point ear and connection piece.
In particular, referring to fig. 4 and 5, the edge of the encapsulation part 12 in the width direction protrudes from the edge of the core sheet 21 in the width direction, so that the margin of the encapsulation part 12 can be reserved on the edge of the core sheet 21, the connection strength between the encapsulation part 12 and the core sheet 21 can be increased, and the short circuit caused by the direct contact of a tab with the housing 3 after the core body 2 is mounted on the housing 3 can be avoided, thereby improving the safety. And the both ends of the glue-coated portion 12 in the width direction extend along the direction of the glue-coated portion 11 and are provided with a shielding portion 121, and the shielding portion 121 can wrap the edge of the core sheet 21, so that the connection strength of the glue-coated portion 12 and the core sheet 21 is further increased.
Particularly, the distance between the edge of the adhesive part 11 in the width direction and the edge of the winding core sheet 21 in the width direction is greater than or equal to 4.5mm and less than or equal to 5.5mm, and the embodiment can avoid the contact between the adhesive part 11 and the edge of the winding core sheet 21 in the width direction, thereby avoiding the adhesive part 11 from being adhered to the tab of the winding core body 2.
Specifically, the distance between the edge of the lagging 12 in the width direction and the edge of the core sheet 21 in the width direction is 1mm or more and 2mm or less.
Preferably, the thickness of the encapsulated portion 12 is greater than or equal to 0.05mm and less than or equal to 0.06 mm.
Optionally, the thickness of the adhesive part 11 is greater than or equal to 0.015mm and less than or equal to 0.02 mm.
In particular, the encapsulating portion 12 is made of a PET film, which is also called a polyethylene terephthalate resin film, and has excellent physical properties, chemical properties, dimensional stability, transparency, and recyclability, and can be widely applied to the fields of magnetic recording, photosensitive materials, electronics, electrical insulation, industrial films, package decoration, screen protection, optical-grade mirror surface protection, and the like. This embodiment can utilize its elasticity good and insulating high characteristics, and after the utmost point ear is rubbed flatly, rubber coating portion 12 can kick-back.
In addition, the adhesive part 11 is made of organic glass glue, the organic glass glue integrates the advantages of solvent type and resin type adhesives, eliminates the respective defects thereof, and realizes ideal bonding effects of high bonding speed (positioning within seconds), high strength, no air bubbles, no whitening, no yellowing, no cracking, excellent transparency and the like. The adhesive can replace UV (ultraviolet) adhesive, sun adhesive, shadowless adhesive, new generation adhesive and the like on the market at present, does not need ultraviolet lamp irradiation, can be cured instantly by sunlight or natural light, and can save a large amount of production cost for factories.
Referring to fig. 6, the embodiment of the present invention further provides a battery, including a roll core sheet 21, a housing 3, and the encapsulation structure 1 of any of the above embodiments, the encapsulation structure 1 is disposed on the roll core sheet 21, the roll core sheet 21 can be wound around the edge of its end to form a roll core body 2, and the roll core body 2 is disposed inside the housing 3. The encapsulation structure 1 in this embodiment may have the same structure and achieve the same effect as the encapsulation structure 1 in the above embodiment, and details are not described in this embodiment.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a rubber coating structure, its characterized in that, including the viscose portion that sets up at rolling up core sheet inboard and the rubber coating portion of setting in rolling up core sheet outside, the width of rubber coating portion is greater than or equal to roll up core sheet's width, the width of viscose portion is less than roll up core sheet's width, roll up core sheet can wind around the edge of self tip and form and roll up the core body.
2. The lagging structure of claim 1, wherein the length of the lagging portion is greater than or equal to a circumference of a radial cross-sectional profile of the winding core body.
3. The lagging structure of claim 1, wherein a guard portion is provided on each end in the width direction of the core sheet, the guard portion being spaced apart from the adhesive portion.
4. The lagging structure of claim 1, wherein an edge of the lagging portion in the width direction protrudes from an edge of the winding core sheet in the width direction, and both ends of the lagging portion in the width direction are provided with shielding portions extending in the direction of the adhesive portion.
5. The lagging structure of claim 1, wherein the distance between the widthwise edge of the gum portion and the widthwise edge of the core sheet is greater than or equal to 4.5mm and less than or equal to 5.5 mm.
6. The rubberized structure of claim 1, wherein a thickness of said rubberized portion is greater than or equal to 0.05mm and less than or equal to 0.06 mm.
7. The lagging structure of claim 1, wherein the thickness of the adhesive section is greater than or equal to 0.015mm and less than or equal to 0.02 mm.
8. The rubberized structure of claim 1, wherein said rubberized portions are made of PET film.
9. The over-molded structure of claim 1, wherein the adhesive portion is made of plexiglas glue.
10. A battery comprising a core sheet, a housing, and the jellified structure of any of claims 1-9 disposed on the core sheet, the core sheet being capable of being wound around an edge of its end to form a core body disposed inside the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454913.4U CN213583953U (en) | 2020-10-28 | 2020-10-28 | Rubber coating structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022454913.4U CN213583953U (en) | 2020-10-28 | 2020-10-28 | Rubber coating structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583953U true CN213583953U (en) | 2021-06-29 |
Family
ID=76531102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022454913.4U Active CN213583953U (en) | 2020-10-28 | 2020-10-28 | Rubber coating structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213583953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692863A (en) * | 2022-11-04 | 2023-02-03 | 厦门海辰储能科技股份有限公司 | Structure and encapsulation method of battery core, battery monomer, energy storage device and electric equipment |
-
2020
- 2020-10-28 CN CN202022454913.4U patent/CN213583953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115692863A (en) * | 2022-11-04 | 2023-02-03 | 厦门海辰储能科技股份有限公司 | Structure and encapsulation method of battery core, battery monomer, energy storage device and electric equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213583953U (en) | Rubber coating structure and battery | |
| CN212209647U (en) | Stably sealed soft package button cell | |
| CN214378501U (en) | Pole piece and lithium ion battery | |
| CN102324548B (en) | Method for packaging flexible package cell | |
| CN104201423A (en) | Manufacturing method of arc lithium ion battery | |
| JP2009188299A (en) | Solar cell backsheet and method for producing the same | |
| CN102195096B (en) | Winding rectangular lithium ion battery and anode strip thereof | |
| CN112820990A (en) | Battery with a battery cell | |
| CN209232887U (en) | A kind of arc flexible package lithium cell | |
| CN212571144U (en) | Bluetooth headset battery | |
| CN220731551U (en) | Photovoltaic module | |
| CN112736371A (en) | Utmost point ear and laminate polymer battery | |
| CN205177956U (en) | Arc battery | |
| CN214625143U (en) | Lithium ion battery roll core with adhesive tape structure | |
| CN113471638A (en) | Novel super-high-rate large-cylinder polymer lithium ion battery for electronic cigarette | |
| JP5617690B2 (en) | Solar cell module manufacturing method and solar cell module | |
| CN107808948B (en) | Glue guiding device for tab adhesive tape | |
| CN111056343A (en) | Solar cell panel encapsulation glued membrane production facility | |
| CN112864440A (en) | Soft-package battery cell manufacturing method and soft-package battery cell | |
| CN110890596A (en) | Rubberizing structure for lithium ion battery | |
| CN215933774U (en) | Pole piece assembly and soft package battery | |
| CN218887211U (en) | Edge sealing adhesive tape attaching device for double-glass assembly battery | |
| CN219123304U (en) | Battery cell and lithium ion battery | |
| CN215704834U (en) | Composite cross membrane with good ageing resistance | |
| CN221041468U (en) | Battery cell and lithium battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |