CN219457712U - Multipolar ear structure battery cell and consumer - Google Patents
Multipolar ear structure battery cell and consumer Download PDFInfo
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- CN219457712U CN219457712U CN202320101915.6U CN202320101915U CN219457712U CN 219457712 U CN219457712 U CN 219457712U CN 202320101915 U CN202320101915 U CN 202320101915U CN 219457712 U CN219457712 U CN 219457712U
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- ear
- utmost point
- point ear
- gummed paper
- crowd
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- 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 utility model belongs to the technical field of battery production and manufacturing, and particularly relates to a multi-pole ear structure battery cell and electric equipment. Through pasting the portion that exposes on the gummed paper, can fix folding part at folding utmost point ear back portion, prevent to fixed utmost point ear, avoid when the battery top seals, lead to utmost point ear to glue to expose, dislocation because of folding utmost point ear's spring structure resilience, and then influence the final length dimension of battery, reduce the energy density of battery.
Description
Technical Field
The utility model belongs to the technical field of battery production and manufacturing, and particularly relates to a multi-lug structure battery cell and electric equipment.
Background
Today, with the rapid growth of population and rapid development of socioeconomic, resources and energy are gradually in shortage, environmental protection is increasingly emphasized, and energy development and saving are an important issue in the world today. Energy is the basis for human society survival and development, and modern society based on mineral energy is increasingly subjected to the crisis of energy depletion and environmental pollution. Meanwhile, with the advent of the informationized high-tech age, energy application forms are changing, and the demand for renewable, pollution-free, small-sized and discrete mobile high-performance power supplies is rapidly increasing. Green and efficient secondary batteries are being developed in various countries. The lithium ion battery as a novel secondary battery has the advantages of high energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospect in the aspects of portable electric appliances, electric tools, large energy storage, electric traffic power sources and the like.
The existing lithium ion battery is of a multi-pole ear structure, the folded pole ear structure of the 5C multi-pole ear structure battery core is similar to a spring and is easy to rebound, when the battery is sealed in a top mode, the pole ear glue is exposed and misplaced due to the fact that the folded pole ear structure rebounds, the final length size of the battery is affected, and the energy density of the battery is reduced.
Disclosure of Invention
The utility model aims at: aiming at the defects in the prior art, the battery cell with the multi-pole ear structure is provided to solve the problem that the spring structure of the folded pole ear is rebounded to cause the exposure and dislocation of the pole ear glue.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a multipolar ear structure battery core, includes electric core main part, utmost point ear glue and utmost point ear crowd, utmost point ear crowd with electric core main part is connected and follows the one end of electric core main part draws forth, utmost point ear glue bonds electric core main part with utmost point ear crowd, utmost point ear glue includes first adhesive tape and second adhesive tape, first adhesive tape is located the upper portion of utmost point ear crowd, second adhesive tape is located the lower part of utmost point ear crowd, first adhesive tape with one of them is provided with the exposure portion, after electric core folding utmost point ear crowd, the exposure portion paste in first adhesive tape with another in the second adhesive tape.
Preferably, the exposed portions are located at both ends of the first gummed paper or both ends of the second gummed paper.
Preferably, one of the first and second stickers is provided with an exposed portion, and the other is provided with a notch from which the exposed portion is exposed.
Preferably, the notch is located at two ends of the first gummed paper or two ends of the second gummed paper.
Preferably, the exposed portion is provided with a plurality of holes.
Preferably, the holes are arranged in a plane, a ring, a radial or a linear arrangement on the exposed portion.
Preferably, the shape of the hole is circular, elliptical or polygonal.
Preferably, the tab group includes a plurality of foil tabs, and the foil tabs are welded with metal tabs.
Preferably, the tab glue bonds the cell main body, the metal tab and the foil tab.
Another object of the utility model is: a powered device comprising a plurality of multipolar ear structured cells as hereinbefore described.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a multipolar ear structure battery core, includes electric core main part, utmost point ear glue and utmost point ear crowd, utmost point ear crowd with electric core main part is connected and follows the one end of electric core main part draws forth, utmost point ear glue bonds electric core main part with utmost point ear crowd, utmost point ear glue includes first adhesive tape and second adhesive tape, first adhesive tape is located the upper portion of utmost point ear crowd, second adhesive tape is located the lower part of utmost point ear crowd, first adhesive tape with one of them is provided with the exposure portion, after electric core folding utmost point ear crowd, the exposure portion paste in first adhesive tape with another in the second adhesive tape. Through pasting the portion that exposes on the gummed paper, can fix folding part at folding utmost point ear back portion, prevent to fixed utmost point ear, avoid when the battery top seals, lead to utmost point ear to glue to expose, dislocation because of folding utmost point ear's spring structure resilience, and then influence the final length dimension of battery, reduce the energy density of battery.
Drawings
Features, advantages, and technical effects of exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a multi-pole ear structure cell according to the present utility model.
Fig. 2 is a schematic structural diagram of a first gummed paper in accordance with a first embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a second gummed paper in accordance with the first embodiment of the present utility model.
Fig. 4 is a side view of a multi-tab structure cell of the present utility model.
Fig. 5 is a schematic diagram of another embodiment of a multi-tab cell according to the present utility model.
Fig. 6 is a schematic structural view of a first gummed paper in the present utility model.
Fig. 7 is a schematic view of still another structure of the first gummed paper in the present utility model.
Fig. 8 is a schematic structural diagram of a first gummed paper in a second embodiment of the present utility model.
Fig. 9 is a schematic structural diagram of a second gummed paper in the second embodiment of the present utility model.
Wherein reference numerals are as follows:
1. a cell body; 2. tab glue; 3. a hole; 4. a tab group; 6. a notch; 7. an exposed portion; 21. a first gummed paper; 22. a second gummed paper; 41 metal tabs; 42 foil tab.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The present utility model will be described in further detail with reference to fig. 1 to 9, but the present utility model is not limited thereto.
Example 1
The utility model provides a multipolar ear structure battery core, including electric core main part 1, utmost point ear is glued 2 and utmost point ear crowd 4, utmost point ear crowd 4 is connected with electric core main part 1 and is drawn forth from the one end of electric core main part 1, utmost point ear is glued 2 and is glued electric core main part 1 and utmost point ear crowd 4, utmost point ear is glued 2 and is included first gummed paper 21 and second gummed paper 22, first gummed paper 21 is located the upper portion of utmost point ear crowd 4, second gummed paper 22 is located the lower part of utmost point ear crowd 4, first gummed paper 21 is provided with exposes portion 7, after electric core folding utmost point ear crowd 4, expose portion 7 and paste on second gummed paper 22. Through pasting the portion 7 that exposes with on the gummed paper, the portion 7 can be fixed folding part behind folding utmost point ear crowd 4, prevents to kick-back to fixed utmost point ear avoids when the battery top seals, leads to utmost point ear glue 2 to expose, dislocation because of the spring structure kick-back of folding utmost point ear, and then influences the final length dimension of battery, reduces the energy density of battery.
In this embodiment, the exposed portions 7 are located at two ends of the first adhesive tape 21 or two ends of the second adhesive tape 22, and the exposed portions 7 may be located at two ends of the first adhesive tape 21, or the exposed portions 7 may be located at two ends of the second adhesive tape 22 and may be protruded outwards, so as to be selected according to the needs of the user.
In this embodiment, one of the first and second stickers 21 and 22 is provided with an exposed portion 7, and the other is provided with a notch 6, the exposed portion 7 is exposed from the notch 6, and when the first and second stickers 21 and 22 are identical in size, the exposed portion 7 can be exposed from the notch 6.
Further, the notch 6 is located at two ends of the first adhesive tape 21 or two ends of the second adhesive tape 22, and after the tab is folded, the exposed portion 7 can be adhered to the adhesive tape.
In this embodiment, the exposed portion 7 is provided with a plurality of holes 3, the lower end of the battery core main body 1 is further provided with a suction cup clamp, after the battery core is folded, the battery core is folded by using the suction cup clamp, so that the first adhesive tape 21 and the second adhesive tape 22 are adhered together, and meanwhile, when the suction force of the suction cup clamp acts on another adhesive tape through the holes 3, the second adhesive tape 22 and the first adhesive tape 21 are adhered.
Further, the holes 3 may be arranged in a planar, annular, radial or linear manner on the exposed portion 7, and the holes 3 may be two holes or six holes, and the number of the holes may be customized according to the needs of the user, or the arrangement form of the holes 3 may be planar, annular, or the arrangement form may be determined according to the needs of the user, as shown in fig. 6.
Further, the shape of the hole 3 is a circle, an ellipse, or a polygon, and the polygon may be a quadrilateral, a triangle, or the like as shown in fig. 7.
In this embodiment, the tab group 4 includes a plurality of foil tabs 42, the metal tabs 41 are welded on the foil tabs 42, and the metal tabs 41 are welded with the plurality of foil tabs 42 to form the tab group 4.
Further, the tab glue 2 bonds the cell body 1, the metal tab 41 and the foil tab 42.
Still another embodiment of the present application provides an electrical device, where the electrical device includes the multipole ear structure electrical core of the above embodiment, where the multipole ear structure electrical core is used to provide electrical energy, and the electrical device may be implemented in various specific forms, for example, in a practical application scenario, the electrical device includes, but is not limited to, mobile communication devices, electric vehicles, electric bicycles, unmanned aerial vehicles, and other electronic products.
Example two
The utility model provides a multipolar ear structure battery core, including electric core main part 1, utmost point ear is glued 2 and utmost point ear crowd 4, utmost point ear crowd 4 is connected with electric core main part 1 and is drawn forth from the one end of electric core main part 1, utmost point ear is glued 2 and is glued electric core main part 1 and utmost point ear crowd 4, utmost point ear is glued 2 and is included first gummed paper 21 and second gummed paper 22, first gummed paper 21 is located the lower part of utmost point ear crowd 4, second gummed paper 22 is located the upper portion of utmost point ear crowd 4, second gummed paper 22 is provided with exposes portion 7, after electric core folding utmost point ear crowd 4, expose portion 7 and paste on first gummed paper 21. Through pasting the portion 7 that exposes with on the gummed paper, the portion 7 can be fixed folding part behind folding utmost point ear crowd 4, prevents to kick-back to fixed utmost point ear avoids when the battery top seals, leads to utmost point ear glue 2 to expose, dislocation because of the spring structure kick-back of folding utmost point ear, and then influences the final length dimension of battery, reduces the energy density of battery.
Other structures are the same as those of the first embodiment, and will not be described here again.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. The utility model provides a multipolar ear structure electric core which characterized in that: including electric core main part (1), utmost point ear are glued (2) and utmost point ear crowd (4), utmost point ear crowd (4) with electric core main part (1) are connected and follow one end of electric core main part (1) is drawn forth, utmost point ear is glued (2) and is glued electric core main part (1) with utmost point ear crowd (4), utmost point ear is glued (2) and is included first gummed paper (21) and second gummed paper (22), first gummed paper (21) are located the upper portion of utmost point ear crowd (4), second gummed paper (22) are located the lower part of utmost point ear crowd (4), one of first gummed paper (21) with one of second gummed paper (22) is provided with exposes portion (7), after electric core folding utmost point ear crowd (4), expose portion (7) paste in on another one of first gummed paper and second gummed paper (22).
2. A multipolar ear structured cell according to claim 1, characterized in that the exposed portions (7) are located at both ends of the first gummed paper (21) or at both ends of the second gummed paper (22).
3. A multipolar ear structured cell according to claim 1, characterized in that one of the first and second adhesive papers (21, 22) is provided with an exposed portion (7) and the other is provided with a notch (6), the exposed portion (7) being exposed from the notch (6).
4. A multi-pole cell according to claim 3, wherein the notches (6) are located at either end of the first adhesive paper (21) or at either end of the second adhesive paper (22).
5. A multipolar ear structured cell according to claim 1, characterized in that the exposed portion (7) is provided with a plurality of holes (3).
6. A multipolar ear structured cell according to claim 5, characterized in that said holes (3) are arranged in a plane, in a ring, in a radial or in a linear arrangement on said exposed portion (7).
7. A multipolar ear structured cell according to claim 5, characterized in that the holes (3) are circular, elliptical or polygonal in shape.
8. The multi-pole ear structure cell of claim 1, wherein the pole ear group (4) comprises a plurality of foil pole ears (42), and the foil pole ears (42) are welded with metal pole ears (41).
9. The multi-pole ear structure cell of claim 8, wherein the ear glue (2) bonds the cell body (1), the metal ear (41) and the foil ear (42).
10. An electrical device comprising a multipolar ear structure cell according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101915.6U CN219457712U (en) | 2023-02-02 | 2023-02-02 | Multipolar ear structure battery cell and consumer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101915.6U CN219457712U (en) | 2023-02-02 | 2023-02-02 | Multipolar ear structure battery cell and consumer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219457712U true CN219457712U (en) | 2023-08-01 |
Family
ID=87420286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320101915.6U Active CN219457712U (en) | 2023-02-02 | 2023-02-02 | Multipolar ear structure battery cell and consumer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219457712U (en) |
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2023
- 2023-02-02 CN CN202320101915.6U patent/CN219457712U/en active Active
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