Tab of soft package structure applied to battery, capacitor and super capacitor

Abstract

The utility model provides a pole lug applied to a soft package structure of a battery, a capacitor and a super capacitor, the pole lug comprises a single pole lug mechanism and an integrated pole lug mechanism, the single pole lug mechanism comprises a conductive metal assembly and a sealing assembly, the conductive metal assembly comprises a lead-out piece and a welding piece, the lead-out piece is made of columnar metal, and the welding piece is made of metal. The leading-out part is cylindrical, the welding part is made of square flat metal, the welding part is connected with the leading-out part, and the sealing assembly is arranged on one side, deviating from the leading-out part, of the welding part and wraps the welding part. A soft package battery, a capacitor or a super capacitor made of the tab can be directly used as a plug-in device.

Description

Technical Field

[0001] The utility model relates to a battery, a capacitor and a supercapacitor pole ear, in particular to a soft-pack battery, a capacitor and a supercapacitor pole ear, and belongs to the technical field of soft-pack batteries, capacitors and supercapacitors. Background Art

[0002] Compared with hard-sealed batteries, soft-pack batteries are sealed with aluminum-plastic film, which is lighter than the metal shell used in hard-sealed batteries, and their material cost is also lower, which makes soft-pack batteries have a raw material cost advantage over hard-sealed batteries. And because soft-pack batteries use fewer parts than hard-sealed batteries, this also relatively reduces the cost of soft-pack batteries, and this also makes the energy density of soft-pack batteries higher than that of hard-sealed batteries.

[0003] At present, since the tabs of soft-pack batteries are often composed of a conductive metal sheet and tab glue, soft-pack batteries are rarely made into plug-in devices. In actual production, the problem of pins being out of place may occur. Therefore, a tab of a soft-pack structure for batteries, capacitors and supercapacitors is proposed. Utility Model Content

[0004] In view of this, the utility model provides a pole ear of a soft package structure applied to batteries, capacitors and supercapacitors to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the utility model is implemented as follows: a pole ear of a soft-pack structure applied to batteries, capacitors and supercapacitors, including a single pole ear mechanism and an integrated pole ear mechanism, the single pole ear mechanism including a conductive metal component and a sealing component, the conductive metal component including a lead-out piece and a welding piece, the lead-out piece is configured as a columnar metal, the welding piece is configured as a square flat metal, the welding piece is connected to the lead-out piece, and the sealing component is disposed on the side of the welding piece deviating from the lead-out piece and covers the welding piece.

[0006] Further preferably, the lead-out piece is provided with a transition section and a lead-out section, the transition section is provided as a columnar metal, and the diameter of the transition section is larger than the diameter of the lead-out section.

[0007] Further preferably, the single-pole ear mechanism further includes a second conductive metal component, the second conductive metal component includes a second lead-out section and a second welding piece, the second lead-out section includes a first connecting section and a first bending section, and the first connecting section and the first bending section are bent at 90 degrees.

[0008] Further preferably, the integrated pole ear mechanism includes a first positive conductive metal component, a first negative conductive metal component and a first integrated sealant, the first positive conductive metal component and the first negative conductive metal component include a first positive conductive metal component lead-out piece, a first positive conductive metal component welding piece, a first negative conductive metal component lead-out piece and a first negative conductive metal component welding piece, the first negative conductive metal component lead-out piece and the first positive conductive metal component lead-out piece are both configured as columnar metal, the first negative conductive metal component welding piece and the first positive conductive metal component welding piece are both configured as square flat metal, the first positive conductive metal component welding piece is connected to the first positive conductive metal component lead-out piece, the first negative conductive metal component lead-out piece is connected to the first negative conductive metal component welding piece, and the first integrated sealant is arranged at the place where the first positive conductive metal component welding piece is connected to the first positive conductive metal component lead-out piece and the place where the first negative conductive metal component lead-out piece is connected to the first negative conductive metal component welding piece.

[0009] Further preferably, the integrated pole ear mechanism also includes a second positive conductive metal component, a second negative conductive metal component and a second integrated sealant, the second positive conductive metal component and the second negative conductive metal component respectively include a second positive conductive metal component lead-out piece, a second positive conductive metal component welding piece, a second negative conductive metal component lead-out piece and a second negative conductive metal component welding piece, the second negative conductive metal component lead-out piece and the second positive conductive metal component lead-out piece are both configured as columnar metal, the second negative conductive metal component welding piece and the second positive conductive metal component welding piece are both configured as square flat metal, the second positive conductive metal component welding piece is connected to the second positive conductive metal component lead-out piece, the second negative conductive metal component lead-out piece is connected to the second negative conductive metal component welding piece, and the second integrated sealant is arranged at the connection between the second positive conductive metal component welding piece and the second positive conductive metal component lead-out piece and at the connection between the second negative conductive metal component lead-out piece and the second negative conductive metal component welding piece.

[0010] Further preferably, the second negative electrode conductive metal component lead-out piece includes a second bent end and a second connecting end, and the second bent end and the second connecting end are bent at 90 degrees, and the second positive electrode conductive metal component lead-out piece includes a third bent end and a third connecting end, and the third bent end and the third connecting end are bent at 90 degrees.

[0011] The utility model embodiment adopts the above technical solution, which has the following advantages:

[0012] 1. In order to make the plug-in soft-pack battery structure simple and convenient for production, a pole ear applied to the plug-in soft-pack battery structure is provided, and two pole ears are arranged to form a single pole ear structure and an integrated pole ear structure;

[0013] Second, by setting the lead-out end to be columnar, the soft-pack battery, capacitor or supercapacitor made by the tab of the utility model can be directly used as a plug-in device.

[0014] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a structural diagram of the single-pole ear mechanism of the utility model;

[0017] Figure 2 This is a view of the second conductive metal component of the utility model;

[0018] Figure 3 This is a structural diagram of the integrated tab mechanism of the utility model;

[0019] Figure 4 This is a structural diagram of the second positive electrode conductive metal component, the second negative electrode conductive metal component and the second integrated sealant combination of the present invention.

[0020] Figure numerals: 1. conductive metal component; 101. first lead-out piece; 1011. lead-out section; 1012. transition section; 102. first welding piece; 2. sealing component; 3. second conductive metal component; 301. second lead-out piece; 3011. first bending section; 3012. first connecting section; 302. second welding piece; 11. first negative electrode conductive metal component; 111. first negative electrode conductive metal component lead-out piece; 112. first negative electrode conductive metal component welding piece; 12. first positive electrode conductive metal component; 121. first positive electrode conductive metal component Lead-out piece; 122, first positive electrode conductive metal component welding piece; 14, second negative electrode conductive metal component; 141, second negative electrode conductive metal component lead-out piece; 1411, second bent end; 1412, second connecting end; 142, second negative electrode conductive metal component welding piece; 15, second positive electrode conductive metal component; 151, second positive electrode conductive metal component lead-out piece; 1511, third bent end; 1512, third connecting end; 152, second positive electrode conductive metal component welding piece; 16, first integrated sealant; 17, second integrated sealant. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0023] Example 1

[0024] like Figure 1 As shown, an embodiment of the utility model provides a pole ear of a soft package structure for batteries, capacitors and supercapacitors, including a single pole ear mechanism and an integrated pole ear mechanism, the single pole ear mechanism including a conductive metal component 1 and a sealing component 2, the conductive metal component 1 including a first lead-out piece 101 and a first welding piece 102, the first lead-out piece 101 is configured as a columnar metal, the first welding piece 102 is configured as a square flat metal, the first welding piece 102 is connected to the first lead-out piece 101, and the sealing component 2 is disposed on the first welding piece 102 on the side of the first lead-out piece 101 and covers the first welding piece 102.

[0025] In Example 1, specifically, the first lead-out member 101 is provided with a transition section 1012 and a lead-out section 1011 , the transition section 1012 is provided as a columnar metal, and the diameter of the transition section 1012 is greater than the diameter of the lead-out section 1011 .

[0026] Example 2

[0027] like Figure 2 As shown, an embodiment of the utility model provides a pole ear of a soft-pack structure for batteries, capacitors and supercapacitors, wherein the single pole ear mechanism also includes a second conductive metal component 31, wherein the second conductive metal component 31 includes a second lead-out piece 301 and a second welding piece 302, wherein the second lead-out piece 301 includes a first connecting section 3012 and a first bending section 3011, wherein the first connecting section 3012 and the first bending section 3011 are bent at 90 degrees.

[0028] Example 3

[0029] like Figure 3 As shown, the embodiment of the utility model provides a tab of a soft-pack structure for batteries, capacitors and supercapacitors, wherein the integrated tab structure includes a first positive conductive metal component 12, a first negative conductive metal component 11 and a first integrated sealant 16, wherein the first positive conductive metal component 12 and the first negative conductive metal component 11 include a first positive conductive metal component lead-out piece 121, a first positive conductive metal component welding piece 122, a first negative conductive metal component lead-out piece 111 and a first negative conductive metal component welding piece 112, wherein the first negative conductive metal component lead-out piece 111 and the first positive conductive metal component lead-out piece 121 are both arranged as a column shaped metal, the first negative conductive metal component welding piece 112 and the first positive conductive metal component welding piece 122 are both set to square flat metal, the first positive conductive metal component welding piece 122 is connected to the first positive conductive metal component lead-out piece 121, the first negative conductive metal component lead-out piece 111 is connected to the first negative conductive metal component welding piece 112, and the first integrated sealant 16 is set at the place where the first positive conductive metal component welding piece 122 is connected to the first positive conductive metal component lead-out piece 121 and the first negative conductive metal component lead-out piece 111 is connected to the first negative conductive metal component welding piece 112.

[0030] Example 4

[0031] like Figure 4As shown, the embodiment of the utility model provides a tab of a soft-pack structure for batteries, capacitors and supercapacitors, wherein the integrated tab structure further includes a second positive conductive metal component 15, a second negative conductive metal component 14 and a second integrated sealant 17, wherein the second positive conductive metal component 15 and the second negative conductive metal component 14 respectively include a second positive conductive metal component lead-out piece 151, a second positive conductive metal component welding piece 152, a second negative conductive metal component lead-out piece 141 and a second negative conductive metal component welding piece 142, and the second negative conductive metal component lead-out piece 141 and the second positive conductive metal component lead-out piece 151 are both configured as Columnar metal, the second negative conductive metal component welding piece 142 and the second positive conductive metal component welding piece 152 are both set to square flat metal, the second positive conductive metal component welding piece 152 is connected to the second positive conductive metal component lead-out piece 151, the second negative conductive metal component lead-out piece 141 is connected to the second negative conductive metal component welding piece 142, and the second integrated sealant 17 is set at the connection between the second positive conductive metal component welding piece 152 and the second positive conductive metal component lead-out piece 151 and the connection between the second negative conductive metal component lead-out piece 141 and the second negative conductive metal component welding piece 142.

[0032] In Example 4, specifically, the second negative conductive metal component lead-out piece 141 includes a second bent end 1411 and a second connecting end 1412, and the second bent end 1411 and the second connecting end 1412 are bent at 90 degrees. The second positive conductive metal component lead-out piece 151 includes a third bent end 1511 and a third connecting end 1512, and the third bent end 1511 and the third connecting end 1512 are bent at 90 degrees.

[0033] When the utility model is working: in order to make the plug-in soft-pack battery structure simple and convenient for production, a pole ear applied to the plug-in soft-pack battery structure is provided, two pole ears are arranged to form a single pole ear mechanism and an integrated pole ear mechanism, and the single pole ear includes a conductive metal component 1 and a sealing component 2, and the conductive metal component 1 includes a first lead-out piece 101 and a first welding piece 102, and the first lead-out piece 101 is set to a columnar metal, and by setting the lead-out end to a columnar shape, the soft-pack battery, capacitor or supercapacitor made by the pole ear of the utility model can be directly used as a plug-in device, the first lead-out piece 101 is provided with a transition section 1012 and a lead-out section 1011, the transition section 1012 is set to a columnar metal, and the diameter of the transition section 1012 is greater than the diameter of the lead-out section 1011. In order to solve the problem of the pin being inward and outward ...

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A soft-pack structured tab for batteries, capacitors and supercapacitors, characterized in that: The invention comprises a single-pole lug mechanism and an integrated pole lug mechanism, wherein the single-pole lug mechanism comprises a conductive metal component (1) and a sealing component (2), wherein the conductive metal component (1) comprises a first lead-out piece (101) and a first welding piece (102), wherein the first lead-out piece (101) is configured as a columnar metal, and the first welding piece (102) is configured as a square flat metal, wherein the first welding piece (102) is connected to the first lead-out piece (101), and the sealing component (2) is arranged on a side of the first welding piece (102) that is offset from the first lead-out piece (101) and covers the first welding piece (102).

2. The lug of the soft package structure used for batteries, capacitors and supercapacitors according to claim 1, characterized in that: The first lead-out member (101) is provided with a transition section (1012) and a lead-out section (1011); the transition section (1012) is provided as a columnar metal; the diameter of the transition section (1012) is greater than the diameter of the lead-out section (1011).

3. The lug of the soft package structure used for batteries, capacitors and supercapacitors according to claim 1, characterized in that: The single-pole ear mechanism further comprises a second conductive metal component (3), the second conductive metal component (3) comprising a second lead-out piece (301) and a second welding piece (302), the second lead-out piece (301) comprising a first connecting section (3012) and a first bending section (3011), the first connecting section (3012) and the first bending section (3011) being bent at 90 degrees.

4. The lug of the soft package structure used for batteries, capacitors and supercapacitors according to claim 1, characterized in that: The integrated electrode lug structure comprises a first positive electrode conductive metal component (12), a first negative electrode conductive metal component (11) and a first integrated sealant (16); the first positive electrode conductive metal component (12) and the first negative electrode conductive metal component (11) comprise a first positive electrode conductive metal component lead-out piece (121), a first positive electrode conductive metal component welding piece (122), a first negative electrode conductive metal component lead-out piece (111) and a first negative electrode conductive metal component welding piece (112); the first negative electrode conductive metal component lead-out piece (111) and the first positive electrode conductive metal component lead-out piece (121) are both configured as columnar metals; the first negative electrode conductive metal component welding piece ( The first positive electrode conductive metal component welding piece (112) and the first positive electrode conductive metal component welding piece (122) are both configured as square flat metals; the first positive electrode conductive metal component welding piece (122) is connected to the first positive electrode conductive metal component lead-out piece (121); the first negative electrode conductive metal component lead-out piece (111) is connected to the first negative electrode conductive metal component welding piece (112); and the first integrated sealant (16) is disposed at the connection between the first positive electrode conductive metal component welding piece (122) and the first positive electrode conductive metal component lead-out piece (121) and at the connection between the first negative electrode conductive metal component lead-out piece (111) and the first negative electrode conductive metal component welding piece (112).

5. The lug of the soft package structure used for batteries, capacitors and supercapacitors according to claim 3, characterized in that: The integrated electrode lug structure further comprises a second positive electrode conductive metal component (15), a second negative electrode conductive metal component (14) and a second integrated sealant (17); the second positive electrode conductive metal component (15) and the second negative electrode conductive metal component (14) respectively comprise a second positive electrode conductive metal component lead-out piece (151), a second positive electrode conductive metal component welding piece (152), a second negative electrode conductive metal component lead-out piece (141) and a second negative electrode conductive metal component welding piece (142); the second negative electrode conductive metal component lead-out piece (141) and the second positive electrode conductive metal component lead-out piece (151) are both configured as columnar metals; the second negative electrode conductive metal component welding piece (152) and the second positive electrode conductive metal component lead-out piece (151) are both configured as columnar metals; The component (142) and the second positive electrode conductive metal component welding component (152) are both configured as square flat metals; the second positive electrode conductive metal component welding component (152) is connected to the second positive electrode conductive metal component lead-out component (151); the second negative electrode conductive metal component lead-out component (141) is connected to the second negative electrode conductive metal component welding component (142); and the second integrated sealant (17) is disposed at the connection between the second positive electrode conductive metal component welding component (152) and the second positive electrode conductive metal component lead-out component (151) and at the connection between the second negative electrode conductive metal component lead-out component (141) and the second negative electrode conductive metal component welding component (142).

6. The lug of the soft package structure used for batteries, capacitors and supercapacitors according to claim 5, characterized in that: The second negative electrode conductive metal component lead-out piece (141) comprises a second bent end (1411) and a second connecting end (1412), and the second bent end (1411) and the second connecting end (1412) are bent at 90 degrees. The second positive electrode conductive metal component lead-out piece (151) comprises a third bent end (1511) and a third connecting end (1512), and the third bent end (1511) and the third connecting end (1512) are bent at 90 degrees.

Images