CN216750229U - Utmost point ear structure and laminate polymer battery - Google Patents
Utmost point ear structure and laminate polymer battery Download PDFInfo
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- CN216750229U CN216750229U CN202122743309.8U CN202122743309U CN216750229U CN 216750229 U CN216750229 U CN 216750229U CN 202122743309 U CN202122743309 U CN 202122743309U CN 216750229 U CN216750229 U CN 216750229U
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Abstract
The utility model provides a tab structure and a soft package battery, which comprise a conductive belt and an adhesive tape; one end of the conductive belt is a connecting end, the other end of the conductive belt is an extending end, and the conductive belt is provided with an installation part; the mounting part is positioned between the connecting end and the extending end; the tape comprises a base portion, a wing portion and a transition portion; the base part is fixedly connected with the mounting part; the wing part is connected to the left side end and/or the right side end of the base part, and the length of the wing part is smaller than that of the base part; the transition part is arranged at the left side end and/or the right side end of the base part and is fixedly connected with the upper end or the lower end of the wing part. The utility model can improve the packaging yield and the performance of the soft-package battery, simultaneously improve the energy density of the soft-package battery, reduce the occupation of the pack size of the soft-package battery, and better match the assembly requirements of customer products.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a tab structure and a soft package battery.
Background
In order to prevent short circuit or corrosion of the soft package battery, the tab glue is required to cover the packaging area during packaging, and the short circuit or micro short circuit of the soft package battery caused by the contact of the aluminum layer of the packaging aluminum-plastic film and the conductive belt part of the tab is prevented, so that the performance of the soft package battery and the production and manufacturing yield of the soft package battery are influenced;
when the soft-package battery is packaged, the exposed part of the tab glue exceeds the main body of the soft-package battery, so that the packaging space of a finished product is occupied when the soft-package battery pack is packaged, and the improvement of the energy density of the soft-package battery is also influenced; and the excessive tab glue remained in the soft package battery packaging position after the soft package battery is packaged is used for shaping the soft package battery packaging position, and side edge damage is easily caused during bending (especially the bending or shaping of the packaging position of a small square soft package battery, a small soft package button soft package battery and a small soft package cylindrical soft package battery).
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the tab structure and the soft-package battery, which can improve the packaging yield of the soft-package battery and the performance of the soft-package battery, improve the energy density of the soft-package battery, reduce the occupation of the pack size of the soft-package battery and better match the assembly requirements of customer products.
The utility model provides a tab structure and a soft package battery, which comprise a conductive belt and an adhesive tape;
one end of the conductive belt is a connecting end, the other end of the conductive belt is an extending end, and the conductive belt is provided with an installation part;
the mounting part is positioned between the connecting end and the extension end;
the tape comprises a base portion, a wing portion and a transition portion;
the base part is fixedly connected with the mounting part;
the wing part is connected to the left side end and/or the right side end of the base part, and the length of the wing part is smaller than that of the base part;
the transition part is arranged at the left side end and/or the right side end of the base part and is fixedly connected with the upper end or the lower end of the wing part.
In the above technical solution, the present invention may be further modified as follows.
The preferable technical scheme is characterized in that: the transition portion is in a right-angle triangle shape, one right-angle side of the transition portion is fixedly connected with the left side end or the right side end of the base portion, and the other right-angle side of the transition portion is fixedly connected with the upper end or the lower end of the wing portion.
The preferable technical scheme is characterized in that: and one right-angle side of the transition part is in arc transition with the connecting corner of the left end face or the right end face of the base part.
The preferable technical scheme is characterized in that: and the other right-angle side of the transition part is in arc transition with the connecting corner of the upper end or the lower end of the wing part.
The preferable technical scheme is characterized in that: the outer wall surface of the transition part is an arc surface.
The preferable technical scheme is characterized in that: the outer wall surface of the transition part is a wavy surface.
The preferable technical scheme is characterized in that: the connecting end and/or the extending end are/is far away from one end of the mounting part and are smooth arc-shaped bulges.
The preferable technical scheme is characterized in that: the installation part is provided with a heat conducting fin which is positioned right above the base part.
The preferable technical scheme is characterized in that: the left side end and/or the right side end of the heat conducting fin are/is provided with a heat radiating fin, and the heat radiating fin is provided with a plurality of fins.
The utility model also provides a soft package battery, which comprises the tab structure in any technical scheme.
The utility model has the beneficial effects that: 1. by increasing the effective packaging area of the soft package battery, the short circuit or the damage of an aluminum plastic film caused by the conductive belt packaged to the tab during packaging is prevented; the inside conductive area of laminate polymer battery contains the sticky tape, also does benefit to fish tail or punctures the plastic-aluminum membrane when preventing laminate polymer battery from buckling inside conductive area, avoids laminate polymer battery damage, weeping. 2. The adhesive tapes on two sides of the inner pole lug of the soft-package battery are less in residue, so that the soft-package battery is convenient to package, bend or shape a packaging position, and the appearance of the soft-package battery is better formed; 3. laminate polymer battery utmost point ear exposes partly both sides sticky tape arch few, and the occupation of size when the laminate polymer battery finished product pack of being convenient for can effectual promotion laminate polymer battery energy density.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a tab structure in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a tab structure in embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a tab structure in embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of a tab structure in embodiment 4 of the present invention.
Fig. 5 is a schematic structural diagram of a tab structure in embodiment 5 of the present invention.
Fig. 6 is a schematic structural view of a heat sink in embodiment 5 of the present invention.
Fig. 7 is a diagram of a winding core used in a soft-packing button type soft-packing battery in example 6 of the utility model.
Fig. 8 is a packaging diagram for a soft-packaged button type soft-packaged battery in embodiment 6 of the utility model.
Fig. 9 is a shaping diagram for a soft-packing button type soft-packing battery in embodiment 6 of the utility model.
In the figure, the respective symbols have the following meanings:
1. a conductive tape; 11. a connecting end; 12. an extension end; 13. an installation part; 2. an adhesive tape; 21. a base; 22. a wing portion; 23. a transition section; 3. a heat conductive sheet; 4. a heat sink; 41. and a fin.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following examples are illustrated and described in detail as follows:
example 1
Referring to fig. 1, the present embodiment provides a tab structure, which includes a conductive band 1 and an adhesive tape 2;
the lower end of the conductive belt 1 is a connecting end 11, the upper end of the conductive belt 1 is an extension end 12, and the conductive belt 1 is provided with a mounting part 13;
the mounting part 13 is positioned between the connecting end 11 and the extending end 12;
the tape 2 comprises a base 21, a wing 22 and a transition 23;
the base part 21 is fixedly connected with the mounting part 13;
the wing part 22 is connected to the left and right side ends of the base part 21, and the length of the wing part 22 is smaller than that of the base part 21;
the transition portion 23 is disposed at the left and right side ends of the base portion 21, and the transition portion 23 is fixedly connected to the upper or lower end of the adjacent wing portion 22.
Referring to fig. 1, the transition portion 23 is in a right triangle shape, one right-angled side of the transition portion 23 is fixedly connected to the left side end or the right side end of the base portion 21, and the other right-angled side of the transition portion 23 is fixedly connected to the upper end or the lower end of the wing portion 22.
In this embodiment, the base portion 21, the wing portion 22 and the transition portion 23 are integrally formed.
Referring to fig. 1, the connecting end 11 and the extending end 12 are both smooth arc-shaped protrusions away from the mounting portion 13.
In the embodiment, the conductive belt 1 and the adhesive tape 2 are arranged, and the right-angle sides of the two ends of the adhesive tape 2 are changed into the transition parts 23; a part of adhesive tape 2 in the conductive belt 1 is reserved, so that the adhesive tape 2 is ensured to be arranged in the packaging area, and the situation that an end socket of packaging equipment is directly pressed on the conductive belt 1 during heating packaging to cause the compression damage and the breakage of an aluminum-plastic film at a packaging position or an aluminum layer of the aluminum-plastic film is in contact with the conductive belt 1 to form a short circuit or a micro short circuit is avoided; also reduce sticky tape 2 of utmost point ear both sides simultaneously and in the inside residual of laminate polymer battery, the less (or circular laminate polymer battery) laminate polymer battery encapsulation back utmost point ear position of being convenient for buckle and laminate polymer battery outward appearance plastic, also reduce laminate polymer battery and expose the height in 2 outsides of sticky tape of encapsulation back utmost point ear both sides, the laminate polymer battery outward appearance plastic of being convenient for after the encapsulation and the restriction of product pack size.
In the embodiment, the aluminum plastic film of the tab structure is made of CPP/PP or non-woven fabric, the adhesive tape is made of black glue, white glue or yellow glue, and the positive conductive tape is made of pure aluminum or aluminum-nickel-converted tape; the negative conductive band is made of nickel or copper nickel plating.
Example 2
Referring to fig. 2, the difference between the present embodiment and embodiment 1 is that the outer wall surface of the transition portion 23 is an arc surface.
The curved face is smoother than the bevel transition.
Example 3
Referring to fig. 3, the difference between this embodiment and embodiment 2 is that a right-angle side of the transition portion 23 is in arc transition with a connection corner of the left end surface or the right end surface of the base portion 21.
Referring to fig. 3, another right-angle side of the transition portion 23 is in arc transition with a connection corner of the upper end or the lower end of the wing portion 22.
By making the connecting angle into an arc transition, the connection between the connecting portion 23 and the base portion 21 and the wing portion 22 is smoother.
Example 4
Referring to fig. 4, the difference between the present embodiment and embodiment 1 is that the outer wall surface of the transition portion 23 is a wavy surface.
Compare in traditional rectangle utmost point ear structure, its smoothness degree of the wave surface of chooseing for use of this embodiment is also better.
Example 5
Referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that a heat conductive sheet 3 is disposed on the mounting portion 13, and the heat conductive sheet 3 is located right above the base portion 21.
Referring to fig. 6, the heat sink 4 is symmetrically disposed at the left side end and the right side end of the heat conducting fin 3, and a plurality of fins 41 are disposed on the heat sink 4.
Through setting up conducting strip 3 and fin 4, can derive the heat that utmost point ear structure produced when the short circuit detects fast, effectively reduced the risk that catches fire when the short circuit detects for laminate polymer battery is safer when the short circuit detects, thereby makes laminate polymer battery safer when using.
Example 6
Referring to fig. 7 to 9, the present embodiment further provides a pouch battery including the tab structure in any one of the above technical solutions.
In the embodiment, the adhesive tapes 2 on two sides of the inner pole lug of the soft-package battery have less residues, so that the soft-package battery is convenient to package, bend or shape the package position, and the appearance of the soft-package battery is better formed; simultaneously, laminate polymer battery utmost point ear exposes 2 archs of partial both sides sticky tape 2 and is few, and the occupation of size when laminate polymer battery finished product pack of being convenient for can effectual promotion laminate polymer battery energy density.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated 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 formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A utmost point ear structure which characterized in that: comprises a conductive belt and an adhesive tape;
one end of the conductive belt is a connecting end, the other end of the conductive belt is an extending end, and the conductive belt is provided with an installation part;
the mounting part is positioned between the connecting end and the extension end;
the tape comprises a base portion, a wing portion and a transition portion;
the base part is fixedly connected with the mounting part;
the wing part is connected to the left side end and/or the right side end of the base part, and the length of the wing part is smaller than that of the base part;
the transition part is arranged at the left side end and/or the right side end of the base part and is fixedly connected with the upper end or the lower end of the wing part.
2. A tab structure as claimed in claim 1, wherein: the transition portion is in a right-angle triangle shape, one right-angle side of the transition portion is fixedly connected with the left side end or the right side end of the base portion, and the other right-angle side of the transition portion is fixedly connected with the upper end or the lower end of the wing portion.
3. A tab structure as claimed in claim 2, wherein: and one right-angle side of the transition part is in arc transition with the connecting corner of the left end face or the right end face of the base part.
4. A tab structure as claimed in claim 2, wherein: and the other right-angle side of the transition part is in arc transition with the connecting corner of the upper end or the lower end of the wing part.
5. A tab structure as claimed in claim 2, wherein: the outer wall surface of the transition part is an arc surface.
6. A tab structure as claimed in claim 2, wherein: the outer wall surface of the transition part is a wavy surface.
7. A tab structure as claimed in claim 1, wherein: the connecting end and/or the extending end are/is far away from one end of the mounting part and are smooth arc-shaped bulges.
8. A tab structure as claimed in claim 1, wherein: the installation part is provided with a heat conducting fin which is positioned right above the base part.
9. A tab structure as claimed in claim 8, wherein: the left side end and/or the right side end of the heat conducting fin are/is provided with a heat radiating fin, and the heat radiating fin is provided with a plurality of fins.
10. The utility model provides a laminate polymer battery which characterized in that: including the tab structure of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743309.8U CN216750229U (en) | 2021-11-10 | 2021-11-10 | Utmost point ear structure and laminate polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743309.8U CN216750229U (en) | 2021-11-10 | 2021-11-10 | Utmost point ear structure and laminate polymer battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216750229U true CN216750229U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122743309.8U Active CN216750229U (en) | 2021-11-10 | 2021-11-10 | Utmost point ear structure and laminate polymer battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216750229U (en) |
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2021
- 2021-11-10 CN CN202122743309.8U patent/CN216750229U/en active Active
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