CN215418270U - Laminate polymer battery structure - Google Patents
Laminate polymer battery structure Download PDFInfo
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- CN215418270U CN215418270U CN202121437231.0U CN202121437231U CN215418270U CN 215418270 U CN215418270 U CN 215418270U CN 202121437231 U CN202121437231 U CN 202121437231U CN 215418270 U CN215418270 U CN 215418270U
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- connecting portion
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- utmost point
- battery
- point ear
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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
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Abstract
The utility model provides a soft package battery structure. Laminate polymer battery structure includes laminate polymer core, locates nickel plate subassembly, labeling and high temperature sticky tape on the laminate polymer battery core, laminate polymer battery core includes electric core body, anodal utmost point ear and negative pole utmost point ear, anodal utmost point ear with negative pole utmost point ear set up relatively in the lateral part top of electric core body, anodal utmost point ear with the one end of negative pole utmost point ear with this body coupling of electric core, anodal utmost point ear with the other end of negative pole utmost point ear is towards keeping away from the central direction of electric core body extends, the nickel plate subassembly includes nickel plate structure, first connecting portion, second connecting portion and wire, the nickel plate structure is the semicircle ring-type. The soft package battery structure provided by the utility model has the advantages that the diameter of a battery finished product is reduced, the thickness of a high-temperature adhesive tape for coating is omitted, the capacity of a battery cell can be improved, the battery assembling procedures are few, the operation is simple, the labor cost is reduced, automatic equipment can be realized, and the efficiency and the yield are improved.
Description
Technical Field
The utility model relates to a soft package battery structure.
Background
Referring to fig. 1, the conventional assembly process of the soft-package battery structure mainly includes cutting the tabs of the battery cell, respectively welding red and black wires on the tabs of the positive and negative electrodes, adhering a high-temperature adhesive tape to the side surface of the soft-package battery cell for insulating the tabs of the positive and negative electrodes from the battery cell, and after adhering a label to the bottom of the battery cell, winding the high-temperature adhesive tape to insulate the tabs of the battery cell.
The existing soft package battery structure has complicated assembly procedures and more manual demands; in the process of welding the red and black wires to the positive and negative electrode lugs respectively, the welding space is small due to the small appearance of the positive and negative electrode lugs, the risk that the wires are easy to fall off due to insufficient drawing force during wire welding exists, and the welding operation is not facilitated if the wires are short and the diameter is small; in addition, the diameter of the finished battery product comprises the diameter of a battery cell, the thickness of high-temperature glue, the thickness of a tab, the thickness of a 2+ the diameter of a lead, the diameter of a 2+ the thickness of high-temperature glue, the operation process is complex, the efficiency is low, and the reject ratio is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a pouch battery structure in view of the above problems.
A soft package battery structure comprises a soft package battery core, a nickel sheet assembly, a label and a high-temperature adhesive tape, wherein the nickel sheet assembly, the label and the high-temperature adhesive tape are arranged on the soft package battery core, the soft package battery core comprises a battery core body, an anode tab and a cathode tab, the anode tab and the cathode tab are arranged above the side part of the battery core body relatively, the anode tab and one end of the cathode tab are connected with the battery core body, the anode tab and the other end of the cathode tab extend towards the central direction far away from the battery core body, the nickel sheet assembly comprises a nickel sheet structure, a first connecting part, a second connecting part and a conducting wire, the nickel sheet structure is in a semicircular shape, the first connecting part and the second connecting part are arranged on the nickel sheet structure, the setting position of the first connecting part corresponds to the setting position of the anode tab, the setting position of the second connecting part corresponds to the setting position of the cathode tab, the number of the leads is two, one ends of the two leads are fixedly connected with the lower end face of the nickel sheet structure in an undetachable mode, and the other ends of the two leads extend downwards along the axial direction of the battery cell body.
Furthermore, the first connecting portion with the second connecting portion are located the lateral part top of nickel sheet structure, the first connecting portion with the one end of second connecting portion with nickel sheet structural connection, the first connecting portion with the other end of second connecting portion is towards keeping away from the central direction of nickel sheet structure extends.
Further, the nickel sheet structure includes nickel sheet body, connecting portion and bonding portion, first connecting portion second connecting portion and two the wire is all located on the nickel sheet body, connecting portion locate the nickel sheet body with between the bonding portion, connecting portion through hot briquetting's mode with nickel sheet body fixed connection, bonding portion be used for with the nickel sheet structure is fixed in on the electric core body.
Further, the connecting part is made of a polyethylene terephthalate material, and the bonding part is a double-sided adhesive tape.
Furthermore, the two lead wires are welded on the lower end face of the nickel sheet body.
Further, the label includes the label body and locates two protection ends on the label body, two the protection end set up relatively in on the label body, two the one end of protection end with this body coupling of label, two the other end of protection end is followed the axial downwardly extending of label body, two the protection end is used for shielding first connecting portion with the second connecting portion.
Furthermore, the high-temperature adhesive tape is wrapped on the periphery of the nickel sheet assembly and used for shielding the two protection ends.
According to the soft package battery structure provided by the utility model, one ends of the two leads are fixedly connected with the lower end face of the nickel sheet structure in a non-detachable mode, so that the diameter of a battery finished product is reduced, the thickness of a high-temperature adhesive tape for coating is omitted, and the capacity of a battery cell can be improved; furthermore, the connecting part is fixedly connected with the nickel sheet body in a hot-press forming mode, the bonding part is used for fixing the nickel sheet structure on the electric core body, after the lead is welded with the nickel sheet, a lead core is completely welded with the nickel sheet, the wireless core is poor in dispersion, and the reliability of a product is ensured; in addition, the soft package battery structure has the advantages of few battery assembling procedures, simplicity in operation, reduction in labor cost, realization of automatic equipment installation, and improvement of efficiency and yield.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it should be obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective structure view of a conventional pouch battery structure;
fig. 2 is a schematic structural diagram of a pouch battery structure according to the present invention; and
fig. 3 is a schematic structural diagram of a nickel sheet assembly of the pouch battery structure shown in fig. 2.
The names corresponding to the reference numbers in the drawings are as follows:
soft-packaged electrical core 1, high temperature sticky tape 2, wire 3, nickel piece subassembly 4, nickel piece body 41, connecting portion 42, bonding portion 43, labeling 5.
Detailed Description
The following is a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements are also considered to be within the scope of the present invention.
Referring to fig. 2-3, the utility model relates to a soft package battery structure, which includes a soft package battery core 1, a nickel sheet assembly 4 disposed on the soft package battery core, a label 5, and a high temperature adhesive tape 2, wherein the soft package battery core includes a battery core body, a positive electrode tab (not labeled) and a negative electrode tab (not labeled), the positive electrode tab and the negative electrode tab are disposed above a lateral portion of the battery core body, one end of the positive electrode tab and one end of the negative electrode tab are connected to the battery core body, the other end of the positive electrode tab and the other end of the negative electrode tab extend in a direction away from a center of the battery core body, the nickel sheet assembly 4 includes a nickel sheet structure (not labeled), a first connecting portion (not labeled), a second connecting portion (not labeled) and a lead 3, the nickel sheet structure is in a semi-circular shape, the first connecting portion and the second connecting portion are disposed on the nickel sheet structure, the setting position of first connecting portion with the setting position of anodal utmost point ear is corresponding, the setting position of second connecting portion with the setting position of negative pole utmost point ear is corresponding, the quantity that sets up of wire is two, two the one end of wire with fixed connection can not be dismantled to the lower terminal surface of nickel piece structure, two the other end of wire is followed the axial downwardly extending of electricity core body.
In one embodiment, the first connecting portion and the second connecting portion are disposed above a side portion of the nickel plate structure, one end of the first connecting portion and one end of the second connecting portion are connected to the nickel plate structure, and the other end of the first connecting portion and the other end of the second connecting portion extend in a direction away from the center of the nickel plate structure.
In one embodiment, the nickel sheet structure includes a nickel sheet body 41, a connecting portion 42 and a bonding portion 43, the first connecting portion, the second connecting portion and two wires are all disposed on the nickel sheet body, the connecting portion is disposed between the nickel sheet body and the bonding portion, the connecting portion is fixedly connected to the nickel sheet body by means of hot press molding, and the bonding portion is used for fixing the nickel sheet structure to the electrical core body.
In one embodiment, the connecting portion is made of a polyethylene terephthalate material, and the adhesive portion is a double-sided tape.
In one embodiment, two of the wires are welded to the lower end face of the nickel plate body.
In one embodiment, the label includes a label body (not shown) and two protection ends disposed on the label body, the two protection ends are disposed on the label body oppositely, one end of the two protection ends is connected to the label body, the other end of the two protection ends extends downward along the axial direction of the label body, and the two protection ends are used for shielding the first connecting portion and the second connecting portion.
In one embodiment, the high-temperature adhesive tape is wrapped on the peripheral side of the nickel sheet assembly and used for shielding the two protection ends.
The installation process comprises the following steps: tailor positive pole utmost point ear and the negative pole utmost point ear of soft-packaged electrical core, the nickel piece subassembly is pasted in soft-packaged electrical core side through bonding portion, pastes the labeling after, twine in the high temperature sticky tape in the periphery of nickel piece subassembly.
According to the soft package battery structure, the diameter of a battery finished product = the diameter of a battery cell + the thickness of a formed nickel sheet + 2+ the thickness of a tab + 2+ the thickness of a label + 2+ the thickness of a high-temperature adhesive tape + 2, because one end of each of two leads is fixedly connected with the lower end face of the nickel sheet structure in an undetachable manner, the diameter of the battery finished product is reduced, the thickness of the high-temperature adhesive tape coating is omitted, and the capacity of the battery cell can be improved; furthermore, the connecting part is fixedly connected with the nickel sheet body in a hot-press forming mode, the bonding part is used for fixing the nickel sheet structure on the electric core body, after the lead is welded with the nickel sheet, a lead core is completely welded with the nickel sheet, the wireless core is poor in dispersion, and the reliability of a product is ensured; in addition, the soft package battery structure has the advantages of few battery assembling procedures, simplicity in operation, reduction in labor cost, realization of automatic equipment installation, and improvement of efficiency and yield.
The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The utility model provides a laminate polymer battery structure which characterized in that: the flexible-package battery cell comprises a battery cell body, an anode tab and a cathode tab, wherein the anode tab and the cathode tab are oppositely arranged above the side part of the battery cell body, one end of the anode tab and one end of the cathode tab are connected with the battery cell body, the other end of the anode tab and the other end of the cathode tab extend towards the central direction away from the battery cell body, the nickel tab assembly comprises a nickel sheet structure, a first connecting part, a second connecting part and a conducting wire, the nickel sheet structure is in a semicircular ring shape, the first connecting part and the second connecting part are arranged on the nickel sheet structure, the arrangement position of the first connecting part corresponds to the arrangement position of the anode tab, the arrangement position of the second connecting part corresponds to the arrangement position of the cathode tab, the number of the leads is two, one ends of the two leads are fixedly connected with the lower end face of the nickel sheet structure in an undetachable mode, and the other ends of the two leads extend downwards along the axial direction of the battery cell body.
2. The pouch cell structure of claim 1, wherein: the first connecting portion with the second connecting portion are located the lateral part top of nickel piece structure, the first connecting portion with the one end of second connecting portion with nickel piece structural connection, the first connecting portion with the other end of second connecting portion is towards keeping away from the central direction of nickel piece structure extends.
3. The pouch cell structure of claim 2, wherein: the nickel piece structure includes nickel piece body, connecting portion and bonding portion, first connecting portion second connecting portion and two the wire is all located on the nickel piece body, connecting portion locate the nickel piece body with between the bonding portion, connecting portion through hot briquetting's mode with nickel piece body fixed connection, bonding portion be used for with the nickel piece structure is fixed in on the electric core body.
4. The pouch cell structure of claim 3, wherein: the connecting part is made of a polyethylene terephthalate material, and the bonding part is a double-sided adhesive tape.
5. The pouch cell structure of claim 4, wherein: the two lead wires are welded on the lower end face of the nickel sheet body.
6. The pouch cell structure of claim 5, wherein: the label comprises a label body and two protection ends arranged on the label body, wherein the protection ends are oppositely arranged on the label body, one ends of the protection ends are connected with the label body, the other ends of the protection ends extend downwards along the axial direction of the label body, and the protection ends are used for shielding the first connecting part and the second connecting part.
7. The pouch cell structure of claim 6, wherein: the high-temperature adhesive tape is wrapped on the periphery of the nickel sheet assembly and used for shielding the two protection ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437231.0U CN215418270U (en) | 2021-06-28 | 2021-06-28 | Laminate polymer battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437231.0U CN215418270U (en) | 2021-06-28 | 2021-06-28 | Laminate polymer battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215418270U true CN215418270U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121437231.0U Active CN215418270U (en) | 2021-06-28 | 2021-06-28 | Laminate polymer battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215418270U (en) |
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2021
- 2021-06-28 CN CN202121437231.0U patent/CN215418270U/en active Active
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