CN220510131U - Soft package lithium battery - Google Patents
Soft package lithium battery Download PDFInfo
- Publication number
- CN220510131U CN220510131U CN202321960673.2U CN202321960673U CN220510131U CN 220510131 U CN220510131 U CN 220510131U CN 202321960673 U CN202321960673 U CN 202321960673U CN 220510131 U CN220510131 U CN 220510131U
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- battery body
- lithium
- battery
- flat end
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 210000005056 cell body Anatomy 0.000 claims description 6
- 210000004027 cell Anatomy 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a soft-package lithium battery, which comprises a lithium battery body and a cover cap, wherein the lithium battery body is provided with a flat end, two lugs extending out of the interior of the lithium battery body are clamped on the flat end, a copper column is welded at one end of each lug, which is far away from the lithium battery body, the cover cap is arranged at the same end as the lugs, and a strip-shaped groove matched with the flat end and a through hole matched with the copper column and penetrating through the cover cap are arranged on the cover cap. According to the lithium battery body, the flat end, the lug and the copper column are limited through the strip-shaped groove and the through hole on the cap, so that the problem of damage caused by long-term bending of the flat end, the lug and the copper column is avoided, and the tightness of the lithium battery body can be improved.
Description
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a soft-package lithium battery.
Background
The soft package lithium battery is only sleeved with a polymer shell. Structurally adopt plastic-aluminum membrane packing, at most can the air-blast splitting of soft packet battery under the circumstances of taking place the potential safety hazard, the major structure of soft packet lithium battery includes lithium cell body and utmost point ear, and the utmost point ear is stretched out from the one end of lithium cell by the inside of lithium cell body, and stretches out the one end of utmost point ear and need seal through the butt fusion, because the utmost point ear is flexible relatively for be out of shape easily after folding, be difficult for recovering, lead to impaired, influence follow-up result of use.
Disclosure of Invention
The utility model aims to provide a soft package lithium battery capable of solving the problems.
In order to achieve the above object, the soft package lithium battery provided by the embodiment of the utility model comprises a lithium battery body and a cap, wherein the lithium battery body is provided with a flat end, two lugs extending out of the interior of the lithium battery body are clamped on the flat end, one end of each lug, far away from the lithium battery body, is welded with a copper column, the cap is arranged at the same end as the lug, and a strip-shaped groove matched with the flat end and a through hole matched with the copper column and penetrating through the cap are arranged on the cap.
Optionally, the tab is flat.
Optionally, the periphery of the through hole far away from the lithium battery body is provided with a chamfer.
Optionally, one end of the cap facing the lithium battery body extends towards the lithium battery body to form a connecting wall wrapping the lithium battery body, and the connecting wall is adhered to the lithium battery body.
Compared with the prior art, the utility model has the beneficial effects that: the flat end, the lug and the copper column are limited through the strip-shaped groove and the through hole on the cap, so that the problem that the flat end, the lug and the copper column are damaged due to long-term bending is avoided, and the tightness of the lithium battery body can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a perspective view of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is a cross-sectional view taken along line A-A in fig. 3.
Fig. 5 is a cut-away view of the glue lid of the utility model.
In the figure: lithium battery body 100, flat end 110, tab 120, cap 200, bar-shaped groove 210, through hole 220, connecting wall 230, copper column 300.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that, if there is an indication of directionality in the embodiments of the present utility model, such as the direction or positional relationship indicated by the upper, lower, left, right, front, rear, inner, outer, etc. is based on the direction or positional relationship shown in the drawings, this is merely for convenience of describing the embodiments of the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured" and the like are to be construed broadly as being either fixedly connected or detachably connected or integrally formed, for example. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1 to 5, the embodiment of the utility model provides a soft package lithium battery, including a lithium battery body 100 and a cap 200, where the lithium battery body 100 has a flat end 110, two tabs 120 extending from the inside of the lithium battery body 100 are clamped on the flat end 110, specifically, the tabs 120 are flat, further, one end of the tabs 120 far away from the lithium battery body 100 is welded with a copper post 300, the cap 200 is disposed at the same end as the tabs 120, and the cap 200 is provided with a strip groove 210 adapted to the flat end 110 and a through hole 220 adapted to the copper post 300 and penetrating through the cap 200, that is, the flat end 110, the tabs 120 and the copper post 300 are limited by the strip groove 210 and the through hole 220 on the cap 200, so as to avoid damage caused by long-term bending of the tabs, and improve the tightness of the lithium battery body 100.
In an embodiment, the periphery of the through hole 220 facing the lithium battery body 100 is provided with a chamfer 221, and glue is poured into the chamfer 221 to improve the sealing performance.
In an embodiment, the end of the cap 200 facing the lithium battery body 100 extends toward the lithium battery body 100 to form a connecting wall 230 wrapping the lithium battery body 100, and the connecting wall 230 is adhered to the lithium battery body 100 by glue to ensure the stability of the installation of the cap 200.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides a soft packet of lithium cell, its characterized in that, includes lithium cell body and block, the lithium cell body has flat end, press from both sides on the flat end and be equipped with two follow the utmost point ear that stretches out of the inside of lithium cell body, the utmost point ear is kept away from the one end welding of lithium cell body has the copper post, the block with utmost point ear same end sets up, be provided with on the block with the bar groove of flat end adaptation and with copper post adaptation just runs through the through-hole of block.
2. The soft pack lithium battery of claim 1, wherein the battery comprises a battery cell,
the lugs are flat.
3. The soft pack lithium battery of claim 1, wherein the battery comprises a battery cell,
and the periphery of the through hole far away from the lithium battery body is provided with a chamfer.
4. The soft pack lithium battery of claim 1, wherein the battery comprises a battery cell,
the end of the cap facing the lithium battery body extends towards the lithium battery body to form a connecting wall wrapping the lithium battery body, and the connecting wall is stuck to the lithium battery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321960673.2U CN220510131U (en) | 2023-07-24 | 2023-07-24 | Soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321960673.2U CN220510131U (en) | 2023-07-24 | 2023-07-24 | Soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510131U true CN220510131U (en) | 2024-02-20 |
Family
ID=89873607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321960673.2U Active CN220510131U (en) | 2023-07-24 | 2023-07-24 | Soft package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510131U (en) |
-
2023
- 2023-07-24 CN CN202321960673.2U patent/CN220510131U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |