CN219917533U - Novel single-head tab cylindrical battery - Google Patents
Novel single-head tab cylindrical battery Download PDFInfo
- Publication number
- CN219917533U CN219917533U CN202321183942.9U CN202321183942U CN219917533U CN 219917533 U CN219917533 U CN 219917533U CN 202321183942 U CN202321183942 U CN 202321183942U CN 219917533 U CN219917533 U CN 219917533U
- Authority
- CN
- China
- Prior art keywords
- tab
- negative electrode
- positive electrode
- plate
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011888 foil Substances 0.000 claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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 discloses a novel single-head tab cylindrical battery, and relates to the technical field of novel single-head tab cylindrical batteries; the upper parts of the same ends of the negative plate and the positive plate are respectively soldered with a negative electrode tab and a positive electrode tab; the outer side of the negative plate is provided with a first empty foil layer, and the outer side of the positive plate is provided with a second empty foil layer; according to the utility model, the first empty foil layer and the second empty foil layer are arranged between the negative plate and the positive plate, so that the negative plate and the positive plate are in an insulating state when being rolled, the situation of short circuit between the negative plate and the positive plate is avoided, and the compactness of the battery after being rolled is ensured; the upper parts of the same ends of the negative plate and the positive plate are respectively soldered with a negative electrode tab and a positive electrode tab, and the distance between the negative electrode tab and the positive electrode tab after winding is 0.01mm-5mm; and the wire bonding process and the insulation process are omitted without additionally adding a lead.
Description
Technical Field
The utility model particularly relates to the technical field of novel single-head tab cylindrical batteries, in particular to a novel single-head tab cylindrical battery.
Background
A Battery (Battery) refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a space of a composite container that contains an electrolyte solution and metal electrodes to generate an electrical current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries are widely referred to as small devices capable of generating electrical energy. Such as a solar cell. The performance parameters of the battery are mainly electromotive force, capacity, specific energy and resistance. The battery is used as an energy source, the current which has stable voltage, stable current, long-time stable power supply and little influence from the outside can be obtained, the battery has simple structure, convenient carrying, simple and easy charging and discharging operation, is not influenced by the outside climate and temperature, has stable and reliable performance, and plays a great role in various aspects in the life of the modern society.
The old small cylindrical batteries in the current market all adopt soft packaging and two-end tab discharging processes, namely the positive electrode and the negative electrode of the batteries are respectively arranged at the two ends of the batteries, and the use scene of the batteries is as follows: the use scene of small-size intelligent wearing products such as bluetooth headset, electron cigarette, adult's articles for use, electric capacity pen, touch-control pen, intelligent glasses, earpick.
The existing cylindrical battery needs to be additionally provided with leads because the anode and the cathode of the battery are respectively arranged at the two ends of the battery, so that the line resistance is increased, and when the battery with the added leads is applied to a small scene, the battery is very inconvenient to disassemble and assemble.
Disclosure of Invention
The utility model aims to provide a novel single-head lug cylindrical battery, which solves the problem that the battery is inconvenient to assemble and disassemble when the battery with the added lead wire is applied to a small scene because the lead wires are additionally added to the positive electrode and the negative electrode of the battery at two ends of the battery respectively in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a novel single-head tab cylindrical battery comprises an encapsulation shell, wherein a negative plate and a positive plate are arranged inside the encapsulation shell; the upper parts of the same ends of the negative plate and the positive plate are respectively soldered with a negative electrode tab and a positive electrode tab; the outer side of the negative plate is provided with a first empty foil layer, and the outer side of the positive plate is provided with a second empty foil layer.
As a further technical scheme of the utility model, the spacing between the negative electrode tab and the positive electrode tab after the rolling of the negative electrode tab and the positive electrode tab is 0.01mm-5mm.
As a further technical scheme of the utility model, the rolling directions of the negative plate and the positive plate are consistent.
As a further technical scheme of the utility model, the sizes of the negative plate and the positive plate are the same, and before rolling, when the negative plate and the positive plate are stacked, one end of the positive plate provided with the positive electrode lug is not less than 5mm away from one end of the negative plate provided with the negative electrode lug.
As a further technical scheme of the utility model, the first hollow foil layer and the second hollow foil layer which are rolled are bonded and fixed through glue paper.
As a further technical scheme of the utility model, white tab glue is arranged at the connection point of the negative electrode plate and the negative electrode tab and at the connection point of the positive electrode plate and the positive electrode tab.
As a further technical scheme of the utility model, the length of the negative electrode lead lug is smaller than that of the positive electrode lead lug.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first empty foil layer and the second empty foil layer are arranged between the negative plate and the positive plate, so that the negative plate and the positive plate are in an insulating state when being rolled, the situation of short circuit between the negative plate and the positive plate is avoided, and the compactness of the battery after being rolled is ensured;
2. according to the utility model, the upper parts of the same ends of the negative plate and the positive plate are respectively soldered with a negative electrode tab and a positive electrode tab, and the distance between the negative electrode tab and the positive electrode tab after winding is 0.01mm-5mm; no extra lead is needed, and the working procedure of adding lead and welding wire and the insulating working procedure are omitted;
3. the utility model has good quick-charging effect, avoids the situation that two ends go out of the lug and then lead wires are added to lead to the same end, and increases lead wire resistance;
4. according to the utility model, the lead is not required to be added, the battery compartment space of the product is completely used for making the battery, the lead and the insulating gummed paper do not occupy the battery compartment space, the problem that the small size space is narrow in the application scene of the product of the small polymer battery is solved, the design can be effectively improved, the space can be utilized, and the volume capacity is improved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a partial cross-sectional view of fig. 1 in accordance with the present utility model.
Fig. 3 is a front view of fig. 1 in the present utility model.
Fig. 4 is a cross-sectional view A-A of fig. 3 in accordance with the present utility model.
Fig. 5 is a schematic view of the rolled state of the negative electrode sheet and the positive electrode sheet in the present utility model.
Fig. 6 is a top view of fig. 5 in accordance with the present utility model.
In the figure: 1-packaging shell, 2-negative pole piece, 3-negative pole tab, 4-positive pole piece, 5-positive pole tab, 6-first empty foil layer, 7-second empty foil layer, 8-adhesive paper and 9-white tab adhesive.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, in an embodiment of the present utility model, a novel single-head tab cylindrical battery includes a package housing 1, wherein a negative electrode sheet 2 and a positive electrode sheet 4 are disposed inside the package housing 1; the upper parts of the same ends of the negative electrode sheet 2 and the positive electrode sheet 4 are respectively soldered with a negative electrode tab 3 and a positive electrode tab 5; the outer side of the negative electrode sheet 2 is provided with a first empty foil layer 6, and the outer side of the positive electrode sheet 4 is provided with a second empty foil layer 7.
Through adopting above-mentioned technical scheme, be provided with first empty foil layer 6 and second empty foil layer 7 between negative pole piece 2 and the positive pole piece 4, can guarantee when the rolling that negative pole piece 2 and positive pole piece 4 are in insulating state, the condition of short circuit can not appear between, also can guarantee the compactness of battery after the rolling simultaneously.
In this embodiment, the spacing between the negative electrode tab 3 and the positive electrode tab 5 after the negative electrode tab 2 and the positive electrode tab 4 are wound is 0.01mm-5mm.
By adopting the technical scheme, the upper parts of the same ends of the negative electrode sheet 2 and the positive electrode sheet 4 are respectively soldered with the negative electrode tab 3 and the positive electrode tab 5, and the distance between the negative electrode tab 3 and the positive electrode tab 5 after winding is 0.01mm-5mm; and the wire bonding process and the insulation process are omitted without additionally adding a lead.
In the embodiment, the winding directions of the negative electrode plate 2 and the positive electrode plate 4 are consistent; the size of the negative electrode plate 2 is the same as that of the positive electrode plate 4, and before winding, when the negative electrode plate 2 and the positive electrode plate 4 are stacked, one end, provided with the positive electrode tab 5, of the positive electrode plate 4 is not lower than 5mm from one end, provided with the negative electrode tab 3, of the negative electrode plate 2.
Through adopting above-mentioned technical scheme, need not increase the lead wire, the battery compartment space of product is whole to be used for making the battery, does not have lead wire and insulating gummed paper to occupy battery compartment space, has solved the size space narrow and small in the product application scene of little polymer battery, effectively promotes the design and can utilize space, promotes volume capacity.
In this embodiment, the first and second hollow foil layers 6 and 7 after winding are adhered and fixed by the adhesive paper 8.
In this embodiment, a white tab glue 9 is disposed at the connection point of the negative electrode tab 2 and the negative electrode tab 3 and at the connection point of the positive electrode tab 4 and the positive electrode tab 5.
Through adopting above-mentioned technical scheme, white utmost point ear is glued 9 can overlap when using, and sealed effectual moreover can not appear leaking the condition of liquid.
In this embodiment, the length of the negative electrode tab 3 is smaller than the length of the positive electrode tab 5.
Through adopting above-mentioned technical scheme, can make the positive negative pole of the discernment battery of kludge quick to realize the quick installation of circuit.
The working principle of the utility model is as follows: a first empty foil layer 6 and a second empty foil layer 7 are arranged between the negative plate 2 and the positive plate 4, so that the negative plate 2 and the positive plate 4 are in an insulating state when being rolled, the situation of short circuit between the negative plate 2 and the positive plate 4 is avoided, and the compactness of the battery after being rolled is ensured;
the upper parts of the same ends of the negative electrode plate 2 and the positive electrode plate 4 are respectively soldered with a negative electrode tab 3 and a positive electrode tab 5, and the distance between the negative electrode tab 3 and the positive electrode tab 5 after winding is 0.01mm-5mm; no extra lead is needed, and the working procedure of adding lead and welding wire and the insulating working procedure are omitted;
the quick-filling effect is good, the situation that two ends go out of the lug and then lead wires are added to the same end is avoided, and the situation that the lead wire resistance is increased is avoided;
the battery compartment space of the product is totally used for making a battery without adding leads, the leads and insulating gummed paper occupy the battery compartment space, and the problems that the size space is narrow in the product application scene of the small polymer battery, the design can be effectively improved, the space can be utilized, and the volume capacity can be improved are solved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a novel single-end utmost point ear cylindricality battery which characterized in that: comprises an encapsulation shell (1), wherein a negative electrode plate (2) and a positive electrode plate (4) are arranged in the encapsulation shell (1); the upper parts of the same ends of the negative electrode sheet (2) and the positive electrode sheet (4) are respectively soldered with a negative electrode leading lug (3) and a positive electrode leading lug (5); the cathode sheet (2) is provided with a first empty foil layer (6) on the outer side, and a second empty foil layer (7) on the outer side of the anode sheet (4).
2. The novel single-ended tab cylindrical battery of claim 1, wherein: the spacing between the negative electrode tab (3) and the positive electrode tab (5) after the negative electrode tab (2) and the positive electrode tab (4) are rolled is 0.01mm-5mm.
3. The novel single-ended tab cylindrical battery of claim 1, wherein: the rolling direction of the negative plate (2) is consistent with that of the positive plate (4).
4. The novel single-ended tab cylindrical battery of claim 3, wherein: the size of the negative electrode plate (2) is the same as that of the positive electrode plate (4), and before rolling, when the negative electrode plate (2) and the positive electrode plate (4) are stacked, one end, provided with the positive electrode lug (5), of the positive electrode plate (4) is not lower than 5mm away from one end, provided with the negative electrode lug (3), of the negative electrode plate (2).
5. The novel single-ended tab cylindrical battery of claim 4, wherein: the first empty foil layer (6) and the second empty foil layer (7) after rolling are bonded and fixed through the adhesive paper (8).
6. The novel single-ended tab cylindrical battery of claim 1, wherein: a white tab glue (9) is arranged at the connection point of the negative electrode sheet (2) and the negative electrode tab (3) and the connection point of the positive electrode sheet (4) and the positive electrode tab (5).
7. The novel single-ended tab cylindrical battery of claim 6, wherein: the length of the negative electrode lead lug (3) is smaller than that of the positive electrode lead lug (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183942.9U CN219917533U (en) | 2023-05-17 | 2023-05-17 | Novel single-head tab cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321183942.9U CN219917533U (en) | 2023-05-17 | 2023-05-17 | Novel single-head tab cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917533U true CN219917533U (en) | 2023-10-27 |
Family
ID=88467814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321183942.9U Active CN219917533U (en) | 2023-05-17 | 2023-05-17 | Novel single-head tab cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219917533U (en) |
-
2023
- 2023-05-17 CN CN202321183942.9U patent/CN219917533U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |