CN212967950U - Tab and cylindrical soft package battery - Google Patents
Tab and cylindrical soft package battery Download PDFInfo
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- CN212967950U CN212967950U CN202021829938.1U CN202021829938U CN212967950U CN 212967950 U CN212967950 U CN 212967950U CN 202021829938 U CN202021829938 U CN 202021829938U CN 212967950 U CN212967950 U CN 212967950U
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- section
- flat section
- utmost point
- tab
- soft package
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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
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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
- 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
Abstract
The utility model relates to a pole ear and a cylindrical soft package battery, which comprises a first flat section, a second flat section and a connecting section connected between the first flat section and the second flat section; the first flat section and the second flat section have the same extension direction, and the first flat section and the second flat section are not coplanar. Compared with the prior art, the first flat section of the tab is connected with the pole piece of the pole core of the cylindrical soft package battery, and the second flat section of the tab penetrates out of the soft package shell of the cylindrical soft package battery and is packaged with the soft package shell; first flat section and second flat section are not in the same plane for when drawing two utmost point ears from cylindrical laminate polymer battery's same terminal surface, the second flat section of two utmost point ears can be located the coplanar, and the laminate polymer housing of being convenient for encapsulates, has realized that two utmost point ears do not weld at the coplanar but at the coplanar encapsulation, and cylindrical laminate polymer battery can draw out anodal utmost point ear and negative pole utmost point ear from same terminal surface, has enlarged cylindrical laminate polymer battery's application range.
Description
Technical Field
The utility model belongs to the technical field of the battery is made, especially, relate to a utmost point ear and cylindrical laminate polymer battery.
Background
Current cylindrical laminate polymer battery includes utmost point core, soft packet of casing, anodal utmost point ear and negative pole utmost point ear, and the utmost point core is cylindrical roll up core and utmost point core encapsulation in soft packet of casing, and anodal utmost point ear is pasted in the side of utmost point core and is drawn forth towards the terminal surface of utmost point core, and negative pole utmost point ear is pasted in the side of utmost point core and is drawn forth towards another terminal surface of utmost point core. If the positive electrode tab and the negative electrode tab are led out from the same end face of the electrode core, the positive electrode tab and the negative electrode tab cannot be located on the same plane, and packaging is difficult to complete.
Therefore, the conventional cylindrical soft package battery can only lead out the positive electrode lug and the negative electrode lug from two ends respectively, and cannot meet the requirement of leading out the positive electrode lug and the negative electrode lug from the same end surface of the battery.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the problem that the same terminal surface can't be drawn forth to positive pole utmost point ear and negative pole utmost point ear to current cylindrical laminate polymer battery provides a utmost point ear and cylindrical laminate polymer battery.
In order to solve the above technical problem, an embodiment of the present invention provides a tab, including a first flat section, a second flat section, and a connecting section connected between the first flat section and the second flat section; the first flat section and the second flat section extend in the same direction, and the first flat section and the second flat section are not coplanar.
Optionally, the first flattened section is perpendicular to the second flattened section.
Optionally, the first flattened section intersects the second flattened section after virtual elongation in three-dimensional space.
Optionally, the first flattened section is in smooth transition with the connecting section.
Optionally, the second flattened section is in smooth transition with the connecting section.
Optionally, the connecting section includes a first transition section, a second transition section, and a cylindrical section connected between the first transition section and the second transition section, one end of the cylindrical section smoothly transitions to the first flat section through the first transition section, and the other end of the cylindrical section smoothly transitions to the second flat section through the second transition section.
Optionally, the tab is integrally formed.
On the other hand, the utility model also provides a cylindrical soft package battery, including utmost point core, soft package casing, anodal utmost point ear and negative pole utmost point ear, anodal utmost point ear with the negative pole utmost point ear all adopt the utmost point ear of any preceding technical scheme, the utmost point core encapsulation is in the soft package casing;
the first flat section of the positive electrode tab is connected with the positive plate of the pole core, the first flat section and the connecting section of the positive electrode tab are integrally positioned inside the soft package shell, and the second flat section of the positive electrode tab penetrates through the part of the soft package shell to be packaged with the soft package shell;
the first flat section of negative pole utmost point ear with the negative pole piece of utmost point core is connected, the first flat section and the linkage segment of negative pole utmost point ear are whole to be located soft packet of casing's inside, the second flat section of negative pole utmost point ear passes soft packet of casing's part with soft packet of casing encapsulation.
Optionally, the lead-out positions of the positive electrode tab and the negative electrode tab are circumferentially different by 180 °.
Optionally, the second flat section of anodal utmost point ear pass the part of soft packet of casing with the second flat section of negative pole utmost point ear pass the part of soft packet of casing all has the cladding to glue utmost point ear.
Compared with the prior art, the tab and the cylindrical soft package battery provided by the embodiment of the utility model have the advantages that the first flat section of the tab is connected with the pole piece of the pole core of the cylindrical soft package battery, and the second flat section of the tab penetrates out of the soft package shell of the cylindrical soft package battery and is packaged with the soft package shell; first platykurtic and second platykurtic are not in the same face, make when drawing two utmost point ears from cylindrical laminate polymer battery's same terminal surface, the second platykurtic of two utmost point ears can be located the coplanar, the laminate polymer housing of being convenient for encapsulates, realized that two utmost point ears do not weld at the coplanar but at the coplanar encapsulation, positive utmost point ear and negative pole utmost point ear can be drawn forth from same terminal surface to cylindrical laminate polymer battery, cylindrical laminate polymer battery's application range has been enlarged, moreover, the steam generator is simple in structure, the assembly of being more convenient for, easily mass production, and the production efficiency is improved.
Drawings
Fig. 1 is a first schematic structural diagram of a tab according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a tab according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a first flattened section; 2. a second flattened section;
3. a connecting section; 31. a first transition section; 32. a second transition section; 33. a cylindrical section;
4. and (5) gluing the tab.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, the tab provided by the embodiment of the present invention includes a first flat section 1, a second flat section 2, and a connecting section 3 connected between the first flat section 1 and the second flat section 2; the first flat section 1 and the second flat section 2 extend in the same direction, and the first flat section 1 and the second flat section 2 are not coplanar.
The electrode lug of the utility model is applied to the cylindrical soft package battery, the pole core of the cylindrical soft package battery leads out an anode electrode lug and a cathode electrode lug, the first flat section 1 of the anode electrode lug is connected with the anode plate of the pole core, and the second flat section 2 of the anode electrode lug passes through the part of the soft package shell of the cylindrical soft package battery and is encapsulated with the soft package shell; the first flat section 1 of negative pole utmost point ear is connected with the negative pole piece of utmost point core, and the second flat section 2 of negative pole utmost point ear passes cylindrical laminate polymer battery's laminate polymer battery case's part and encapsulates with laminate polymer battery case.
The embodiment of the utility model provides a utmost point ear, compared with the prior art, the first flat section 1 of utmost point ear is connected with the pole piece of cylindrical laminate polymer battery's utmost point core, the second flat section 2 of utmost point ear wear out cylindrical laminate polymer battery's encapsulation and the laminate polymer battery casing encapsulation, first flat section 1 is not coplane with second flat section 2, make when drawing two utmost point ears from cylindrical laminate polymer battery's same terminal surface, the second flat section 2 of two utmost point ears can be located the coplanar, the laminate polymer battery casing of being convenient for encapsulates, it nevertheless encapsulates at the coplanar to have realized the two utmost point ears do not weld at the coplanar, cylindrical laminate polymer battery can draw forth positive utmost point ear and negative pole utmost point ear from same terminal surface, the application range of cylindrical laminate polymer battery has been enlarged, moreover, the steam generator is simple in structure, the assembly.
In one embodiment, as shown in FIG. 1, the first flattened section 1 is perpendicular to the second flattened section 2; the second flat sections 2 of the two tabs led out from the pole core are positioned on the same plane for packaging, so that the connection between the tabs and the pole pieces is facilitated; simple structure and convenient processing.
In one embodiment, the first flattened section 1 intersects the second flattened section 2 after virtual elongation in three-dimensional space; the structure of utmost point ear is compacter, reduces the size of utmost point ear, avoids utmost point ear to lead to cylindrical laminate polymer battery's oversize.
In one embodiment, as shown in FIG. 1, the first flattened section 1 smoothly transitions with the connecting section 3; thereby avoid sharp transition to cause the damage to cylindrical laminate polymer battery's laminate polymer housing, improve cylindrical laminate polymer battery's quality.
In one embodiment, as shown in fig. 1, the second flat section 2 and the connecting section 3 are smoothly transited; thereby avoid sharp transition to cause the damage to cylindrical laminate polymer battery's laminate polymer housing, improve cylindrical laminate polymer battery's quality.
In one embodiment, as shown in fig. 1, the connecting section 3 includes a first transition section 31, a second transition section 32 and a cylindrical section 33 connected between the first transition section 31 and the second transition section 32, one end of the cylindrical section 33 smoothly transitions to the first flat section 1 through the first transition section 31, and the other end of the cylindrical section 33 smoothly transitions to the second flat section 2 through the second transition section 32; the transition of each section of the tab is smooth, so that the sharp transition is avoided, and the damage to a soft package shell of the cylindrical soft package battery is avoided; the surface of the cylindrical section 33 is smooth, so that the phenomenon that corners exist in other shapes to damage the soft package shell is avoided, and the size of the pole lug is reduced.
In one embodiment, the tabs are integrally formed; the integral strength of the tab is improved, and the tab is convenient to process.
Specifically, extrude into the flat section with the both ends of a cylindrical metal post to obtain the utility model discloses a utmost point ear.
On the other hand, not graphically illustrated ground, the utility model also provides a cylindrical laminate polymer battery, including utmost point core, soft packet of casing, anodal utmost point ear and negative pole utmost point ear, anodal utmost point ear and the utmost point ear that all adopts aforementioned arbitrary embodiment to mention of negative pole utmost point ear, utmost point core encapsulation in soft packet of casing.
The first flat section 1 of anodal utmost point ear is connected with the positive plate of utmost point core, and the first flat section 1 and the linkage segment 3 of anodal utmost point ear wholly are located soft packet of casing's inside, and the second flat section 2 of anodal utmost point ear passes soft packet of casing's part and soft packet of casing encapsulation.
The first flat section 1 of negative pole utmost point ear is connected with the negative pole piece of utmost point core, and the first flat section 1 and the linkage segment 3 whole inside that are located soft packet of casing of negative pole utmost point ear, and the second flat section 2 of negative pole utmost point ear passes soft packet of casing's part and soft packet of casing encapsulation.
The embodiment of the utility model provides a tab, compared with the prior art, the first flat section 1 and the second flat section 2 coplane of utmost point ear, make when drawing positive pole utmost point ear and negative pole utmost point ear from cylindrical laminate polymer battery's same terminal surface, the second flat section 2 of positive pole utmost point ear and the second flat section 2 of negative pole utmost point ear can be located the coplanar, the laminate polymer casing of being convenient for encapsulates, realized that positive pole utmost point ear and negative pole utmost point ear are not welded at the coplanar but at the coplanar encapsulation, cylindrical laminate polymer battery can draw positive pole utmost point ear and negative pole utmost point ear from same terminal surface, cylindrical laminate polymer battery's application range has been enlarged, moreover, the steam generator is simple in structure, the assembly of being more convenient for, easily mass production, and the production efficiency is improved.
Specifically, the soft package shell is an aluminum-plastic composite membrane shell.
In one embodiment, not shown, the lead-out positions of the positive and negative electrode tabs are circumferentially different by 180 °; the distance between the positive pole lug and the negative pole lug is increased, the positive pole lug and the negative pole lug can be conveniently led out, and the interference between the positive pole lug and the negative pole lug is avoided.
In one embodiment, as shown in fig. 1 and fig. 2, the portion of the second flattened section 2 of the positive electrode tab penetrating through the soft package casing and the portion of the second flattened section 2 of the negative electrode tab penetrating through the soft package casing are both coated with tab glue 4; so that the soft package shell is respectively packaged with the anode tab and the cathode tab.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pole lug is characterized by comprising a first flat section, a second flat section and a connecting section connected between the first flat section and the second flat section; the first flat section and the second flat section extend in the same direction, and the first flat section and the second flat section are not coplanar.
2. The tab as claimed in claim 1 wherein the first flattened section is perpendicular to the second flattened section.
3. The tab as claimed in claim 1, wherein the first flattened section intersects the second flattened section after virtual elongation in three-dimensional space.
4. The tab as claimed in claim 1, wherein the first flattened section smoothly transitions with the connecting section.
5. The tab as claimed in claim 1, wherein the second flattened section smoothly transitions with the connecting section.
6. The tab as claimed in claim 1, wherein the connection section comprises a first transition section, a second transition section and a cylindrical section connected between the first transition section and the second transition section, one end of the cylindrical section smoothly transitions to the first flat section through the first transition section, and the other end of the cylindrical section smoothly transitions to the second flat section through the second transition section.
7. The tab as claimed in claim 1, wherein the tab is integrally formed.
8. The cylindrical soft package battery is characterized by comprising a pole core, a soft package shell, a positive pole lug and a negative pole lug, wherein the positive pole lug and the negative pole lug both adopt the pole lug of any one of claims 1 to 7, and the pole core is packaged in the soft package shell;
the first flat section of the positive electrode tab is connected with the positive plate of the pole core, the first flat section and the connecting section of the positive electrode tab are integrally positioned inside the soft package shell, and the second flat section of the positive electrode tab penetrates through the part of the soft package shell to be packaged with the soft package shell;
the first flat section of negative pole utmost point ear with the negative pole piece of utmost point core is connected, the first flat section and the linkage segment of negative pole utmost point ear are whole to be located soft packet of casing's inside, the second flat section of negative pole utmost point ear passes soft packet of casing's part with soft packet of casing encapsulation.
9. The cylindrical pouch battery according to claim 8, wherein the lead-out positions of the positive electrode tab and the negative electrode tab are circumferentially different by 180 °.
10. The cylindrical soft package battery of claim 8, wherein the portion of the second flat section of the positive electrode tab passing through the soft package housing and the portion of the second flat section of the negative electrode tab passing through the soft package housing are both coated with tab glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829938.1U CN212967950U (en) | 2020-08-26 | 2020-08-26 | Tab and cylindrical soft package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829938.1U CN212967950U (en) | 2020-08-26 | 2020-08-26 | Tab and cylindrical soft package battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212967950U true CN212967950U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021829938.1U Active CN212967950U (en) | 2020-08-26 | 2020-08-26 | Tab and cylindrical soft package battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212967950U (en) |
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2020
- 2020-08-26 CN CN202021829938.1U patent/CN212967950U/en active Active
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