CN219937203U - Extraction part assembly, battery cell and battery module - Google Patents
Extraction part assembly, battery cell and battery module Download PDFInfo
- Publication number
- CN219937203U CN219937203U CN202320976559.2U CN202320976559U CN219937203U CN 219937203 U CN219937203 U CN 219937203U CN 202320976559 U CN202320976559 U CN 202320976559U CN 219937203 U CN219937203 U CN 219937203U
- Authority
- CN
- China
- Prior art keywords
- area
- sealing
- lead
- adhesive tape
- blocking
- 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.)
- Active
Links
- 238000000605 extraction Methods 0.000 title abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 230000000903 blocking effect Effects 0.000 claims abstract description 64
- 239000002390 adhesive tape Substances 0.000 claims abstract description 48
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 35
- 239000002985 plastic film Substances 0.000 claims abstract description 35
- 229920006255 plastic film Polymers 0.000 claims abstract description 35
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000565 sealant Substances 0.000 claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 11
- 239000003292 glue Substances 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 13
- 238000004806 packaging method and process Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of power batteries, and particularly relates to a lead-out part assembly, an electric core and a battery module. The extraction part assembly comprises an extraction part, sealant and a blocking part; the lead-out part is provided with a first section, and the first section comprises a first seal area and an electric connection area which are distributed along the length direction of the lead-out part; the sealant comprises a second sealing area and a transition area, the second sealing area covers the first sealing area, and the transition area is positioned between the second sealing area and the electric connection area; the blocking portion is disposed on the transition region to separate the second seal region from the electrical connection region. The beneficial effects include: the blocking part is arranged on the sealing glue to block and separate the second sealing area from the electric connection area, so that when the sealing glue is sealed with the aluminum plastic film, the sealing is effectively prevented from being influenced by the fact that the adhesive tape on the electric connection area enters into the edge sealing area, the sealing effect of the sealing glue and the leading-out part when the sealing area is sealed with the aluminum plastic film is guaranteed, the sealing is reliable, and the reliability of the leading-out part component, the electric core and the battery module is improved.
Description
Technical Field
The utility model belongs to the technical field of power batteries, and particularly relates to a lead-out part assembly, an electric core and a battery module.
Background
The structure of the soft package battery core is mainly formed by wrapping a bare battery core by an aluminum plastic film, an extraction part is welded on the bare battery core, sealing glue is arranged on the part of the extraction part, sealing seal is formed by heat sealing between the aluminum plastic film and the sealing glue, and in order to prevent welding burrs from scratching the aluminum plastic film, a layer of adhesive tape is covered on the welding seal, but the adhesive tape is very close to the sealing seal, and under the condition of fluctuation of a process, the adhesive tape can enter the sealing seal, so that poor packaging is caused, and finally, the battery core leakage is caused, and the safety of the battery core is influenced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model is directed to providing a lead-out portion assembly, a battery cell and a battery module, which are used for solving the problem of poor packaging caused by the fact that an adhesive tape is easy to enter a sealing seal in the prior art, so as to improve the packaging effect, avoid leakage of the battery cell, and improve the safety of the battery cell.
To achieve the above and other related objects, the present utility model provides a lead-out assembly comprising:
the lead-out part is provided with a first section, and the first section comprises a first seal area and an electric connection area which are distributed along the length direction of the lead-out part;
the sealant comprises a second sealing area and a transition area, the second sealing area covers the first sealing area, and the transition area is positioned between the second sealing area and the electric connection area; and
and a blocking portion disposed on the transition region to separate the second seal region from the electrical connection region.
Optionally, the blocking portion is disposed along a width direction of the lead-out portion, and two ends of the blocking portion are flush with or beyond two sides of the lead-out portion in the width direction of the lead-out portion.
Optionally, in the thickness direction of the lead-out portion, the sealant has a first side and a second side opposite to each other, and the blocking portion is disposed on an outer surface of the first side and an outer surface of the second side.
Optionally, the blocking portion and the sealant are in an integral structure, and a part of the outer surface of the first side and a part of the outer surface of the second side extend and protrude along a thickness direction of the lead-out portion to form the blocking portion.
Optionally, the height of the blocking portion in the thickness direction of the lead-out portion is H1, and H1 is more than or equal to 0.1mm and less than or equal to 5mm.
Optionally, the adhesive tape is further included, the adhesive tape at least covers part of the transition area, an adhesive layer is arranged between the adhesive tape and the transition area, and the adhesive layer is formed into the blocking portion.
Optionally, an outer surface of a side of the blocking portion facing the adhesive tape abuts against an inner surface of an end of the adhesive tape facing the first seal area to tilt the first end of the adhesive tape.
Optionally, the outer surface of the blocking part facing to one side of the adhesive tape is an inclined surface, an included angle between the extending direction of the inclined surface and the length direction of the leading-out part is alpha, and alpha is more than or equal to 5 degrees and less than or equal to 90 degrees.
In order to achieve the above object and other related objects, the present utility model further provides a battery cell, including the lead-out portion assembly, a bare cell and an aluminum plastic film as described above, wherein the bare cell is encapsulated in the aluminum plastic film, the first section extends into the aluminum plastic film, the electrical connection area and the bare cell are welded to form a welding seal, the welding seal is covered with an adhesive tape, the first sealing area is sealed with the edge sealing area of the aluminum plastic film through the second sealing area to form a sealing seal, and the blocking portion is used for blocking the adhesive tape from entering the sealing seal.
To achieve the above and other related objects, the present utility model also provides a battery module including the above-mentioned battery cell.
As described above, the lead-out part assembly, the battery cell and the battery module of the utility model have at least the following beneficial effects: the blocking part is arranged on the sealing glue to block and separate the second sealing area from the electric connection area, so that when the sealing glue is sealed with the aluminum plastic film, the sealing area is effectively prevented from being influenced by the adhesive tape of the electric connection area, the packaging effect of the first sealing area and the second sealing area when the sealing area is sealed with the sealing area of the aluminum plastic film is further ensured, the sealing is reliable, and the reliability of the lead-out part component, the electric core and the battery module is improved.
Drawings
FIG. 1 is a front view of a first embodiment of a lead out assembly of the present utility model;
FIG. 2 is a side view of the lead out assembly of FIG. 1;
FIG. 3 is a top view of the lead out assembly of FIG. 1;
FIG. 4 is a side view of a second embodiment of a lead out assembly of the present utility model;
fig. 5 is a schematic structural diagram of an embodiment of the battery cell of the present utility model before packaging with an aluminum plastic film;
FIG. 6 is a schematic diagram of the bare cell of FIG. 5;
FIG. 7 is an enlarged schematic view of portion A of FIG. 6;
fig. 8 is a front view of the bare cell of fig. 6;
fig. 9 is a side view of the bare cell of fig. 6;
FIG. 10 is a partial cross-sectional view taken at B-B of FIG. 8;
FIG. 11 is a partial cross-sectional view of the bare cell of FIG. 5 after encapsulation with an aluminum plastic film;
fig. 12 is a front view of a bare cell of a second embodiment of the cell of the present utility model;
fig. 13 is a side view of the bare cell of fig. 12;
FIG. 14 is a partial cross-sectional view taken at C-C of FIG. 12;
fig. 15 is a partial cross-sectional view of the die of fig. 12 after encapsulation with an aluminum plastic film.
Description of the part reference numerals
The lead-out part 100, the first sealing area 101, the electric connection area 102, the sealant 200, the second sealing area 201, the transition area 202, the blocking part 300, the bare cell 400, the aluminum plastic film 500, the edge sealing area 501 and the adhesive tape 600.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Referring to fig. 1 to 15, in some alternative embodiments, the battery module of the present utility model includes a battery cell.
Optionally, the battery cell comprises a soft pack battery cell.
Referring to fig. 1 to 15, in some alternative embodiments, the battery cell of the present utility model includes a lead-out assembly, a bare cell 400, and an aluminum plastic film 500, the bare cell 400 is encapsulated in the aluminum plastic film 500, and one end of the lead-out assembly extends into the aluminum plastic film 500 and is electrically connected to the bare cell 400.
Referring to fig. 1, 4, 5-7, 11 and 15, in some alternative embodiments, the lead assembly includes a lead 100, a sealant 200 and a barrier 300. The lead out assembly may include an adhesive tape 600 in addition to the components described above.
Optionally, the lead-out portion 100 has a first section, which includes a first seal area 101 and an electrical connection area 102 distributed along a length direction of the lead-out portion 100; the sealant 200 comprises a second sealing area 201 and a transition area 202, the second sealing area 201 covers the first sealing area 101, and the transition area 202 is positioned between the second sealing area 201 and the electric connection area 102; the barrier 300 is disposed on the transition region 202 to separate the second seal region 201 from the electrical connection region 102. In the present utility model, the length direction of the blocking portion 300, the width direction of the lead portion 100, and the length direction of the sealant 200 are all the same, and are all Y-directions in the drawing; the width direction of the blocking portion 300, the length direction of the lead portion 100, and the width direction of the sealant 200 are all the same, and are all X-direction in the drawing; the height direction of the blocking portion 300, the thickness direction of the lead portion 100, and the thickness direction of the sealant 200 are all the same, and are all Z-directions in the drawing.
Optionally, the first section of the lead-out portion 100 extends into the plastic-aluminum film 500, and the electric connection area 102 and the bare cell 400 are welded to form a solder mark, the solder mark is coated with the adhesive tape 600, and the solder mark is coated by the adhesive tape 600, so that the plastic-aluminum film 500 is prevented from being scratched by welding burrs. The first sealing area 101 is sealed with the edge sealing area 501 of the aluminum plastic film 500 through the second sealing area 201 to form a sealing seal, and the blocking part 300 is used for blocking the adhesive tape 600 from entering the sealing seal; wherein the blocking portion 300 may be located between the sealing seal and the tape 600 so as to block the tape 600 from entering the sealing seal. Further, two lead-out portions 100 are provided at the same end of the bare cell 400, and the two lead-out portions 100 are arranged along the Y direction; the bare cell 400 may be formed by sequentially stacking a positive plate, a diaphragm and a negative plate, the lead-out portion 100 may be a conductive metal plate, and the lead-out portion 100 is electrically connected with the bare cell 400 in a welding manner, so that the lead-out portion 100 realizes electrical connection between the bare cell 400 and the outside, and current of the bare cell 400 can be led out to the outside of the cell, thereby realizing charging and discharging of the cell.
Optionally, the first section of the lead-out portion 100 and the bare cell 400 are disposed between the two layers of plastic-aluminum films 500, and the edge sealing area 501 of the two layers of plastic-aluminum films 500 may be sealed with the first sealing area 101 and the second sealing area 201 in a bonding or hot-pressing manner to form a sealing seal. Further, the two layers of aluminum-plastic films 500 may be two independent square aluminum-plastic films 500 formed into a two-layer structure, the two aluminum-plastic films 500 are oppositely arranged, the bare cell 400 is located between the two aluminum-plastic films 500, the first section of the lead-out part 100 extends into the space between the two layers of aluminum-plastic films 500 to be electrically connected with the bare cell 400, and four sides of the aluminum-plastic films 500 are packaged; or the two layers of aluminum plastic films 500 can be a square aluminum plastic film 500 folded into a two-layer structure, the bare cell 400 is positioned between the two layers of aluminum plastic films 500, the first section of the lead-out part 100 stretches into the space between the two layers of aluminum plastic films 500 to be electrically connected with the bare cell 400, and the three sides of the aluminum plastic films 500 are packaged.
Alternatively, the blocking portion 300 is provided along the width direction of the lead-out portion 100, and both ends of the blocking portion 300 are flush with both sides of the lead-out portion 100 or extend beyond both sides of the lead-out portion 100 in the width direction of the lead-out portion 100.
Optionally, in the thickness direction of the lead-out portion 100, the sealant 200 has a first side and a second side opposite to each other, and the outer surface of the first side and the outer surface of the second side are both provided with blocking portions 300, that is, each lead-out portion 100 is correspondingly provided with two blocking portions 300, and the two blocking portions 300 are distributed along the thickness direction of the lead-out portion 100.
The lead-out part assembly of the embodiment is provided with the blocking part 300 for blocking the adhesive tape 600 on the sealant 200, so that the adhesive tape 600 can be effectively prevented from entering the sealing seal, the packaging effect is prevented from being influenced, the sealing reliability is improved, and the leakage risk of the battery cell is reduced.
Referring to fig. 1 to 3 and 8 to 11, in some alternative embodiments, the blocking portion 300 and the sealant 200 may be formed as a unitary structure, and a portion of an outer surface of a first side of the sealant 200 and a portion of an outer surface of a second side of the sealant 200 each extend to protrude in a thickness direction of the lead-out portion 100 to form the blocking portion 300.
Alternatively, the height of the blocking portion 300 in the thickness direction of the lead-out portion 100 is H1, and 0.1 mm.ltoreq.H2.ltoreq.5 mm. Further, H1 may be any one of values of 0.1mm, 0.5mm, 1mm, 2mm, 4mm, and 5mm.
Optionally, the materials of the sealant 200 and the blocking portion 300 include polypropylene, i.e., PP material.
Alternatively, the blocking portion 300 may have a square column shape, and an outer surface of a side of the blocking portion 300 facing the tape 600 is a plane perpendicular to the length direction of the lead portion 100, and the plane abuts against an end surface of the tape 600 facing the first seal area 101 to block the tape 600.
In the lead-out part assembly of the above embodiment, the blocking part 300 and the sealant 200 adopt an integrated structure, so that the molding and manufacturing are simple and convenient, which is beneficial to reducing the cost, and in addition, the blocking part 300 adopts a proper height in the thickness direction of the lead-out part 100, which is beneficial to fully blocking the adhesive tape 600 from entering the sealing seal, and ensuring the encapsulation effect.
Referring to fig. 4, 12-15, in some alternative embodiments, the adhesive tape 600 covers at least a portion of the transition region 202 of the sealant 200, and an adhesive layer is disposed between the adhesive tape 600 and the transition region 202, and the adhesive layer forms the barrier 300. Optionally, the glue layer is a non-soluble or soluble glue layer.
Alternatively, the outer surface of the side of the blocking part 300 facing the adhesive tape 600 collides with the inner surface of the end of the adhesive tape 600 facing the first seal area 101 to tilt the first end of the adhesive tape 600.
Alternatively, the outer surface of the side of the blocking portion 300 facing the adhesive tape is a slope, and the angle between the extending direction of the slope and the length direction of the lead-out portion 100 is α, and 5 ° - α -90 °. Further, α may be any one of values of 5 °, 15 °, 30 °, 60 °, 80 °, or 90 °.
Alternatively, a glue layer may be coated on the transition region 202 of the sealant 200; the shape of the blocking portion 300 may be a triangular prism, for example, a right triangular prism, where one of two perpendicular sides of the right triangular prism is attached to the sealant 200, and an inclined plane of the right triangular prism faces the adhesive tape 600, that is, an outer surface of a side of the blocking portion 300 facing the adhesive tape 600 is an inclined plane, and the inclined plane abuts against an end of the adhesive tape 600 facing the first seal area 101 to tilt the adhesive tape 600. Further, the material of glue film can be the resin to melt in the heat-seal process, make the sealing area more level, be favorable to improving encapsulation effect, especially when the shape of blocking portion 300 is the triangular prism, blocking portion 300 hot melt mobility is better, further promotes encapsulation effect. Alternatively, the blocking portion 300 is made of a material that is not easily melted, and the blocking portion 300 is not melted during the heat sealing process so as to be finally present in the battery cell.
In the lead-out part assembly in the above embodiment, before the plastic-aluminum film 500 is packaged, the blocking part 300 can block the adhesive tape 600 from entering the sealing seal, so as to avoid the adhesive tape 600 from entering the edge sealing area 501 during the packaging process of the plastic-aluminum film 500 to affect the packaging effect; in addition, the blocking portion 300 forms a suitable included angle with the length direction of the leading-out portion 100 towards one side surface of the adhesive tape 600, so that the adhesive tape 600 can tilt along the thickness direction of the leading-out portion 100 to be away from the edge seal 501 when abutting against the blocking portion 300, thereby preventing the adhesive tape 600 from entering the sealing seal, being beneficial to melting the blocking portion 300 in the heat sealing process, and further improving the packaging effect.
According to the lead-out part assembly, the battery cell and the battery module, the blocking part 300 is arranged on the sealant 200 to block the adhesive tape 600 from entering the edge sealing area 501 of the aluminum plastic film 500, so that the adhesive tape 600 is blocked from entering the sealing seal, the packaging effect is ensured, the leakage of the battery cell is avoided, and the reliability of the lead-out part assembly, the battery cell and the battery module is improved.
In the description of the present specification, the descriptions of the terms "present embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A lead-out assembly, comprising:
the lead-out part is provided with a first section, and the first section comprises a first seal area and an electric connection area which are distributed along the length direction of the lead-out part;
the sealant comprises a second sealing area and a transition area, the second sealing area covers the first sealing area, and the transition area is positioned between the second sealing area and the electric connection area; and
and a blocking portion disposed on the transition region to separate the second seal region from the electrical connection region.
2. The pigtail assembly of claim 1, wherein: the blocking portion is arranged along the width direction of the leading-out portion, and two ends of the blocking portion are flush with or exceed two sides of the leading-out portion in the width direction of the leading-out portion.
3. The pigtail assembly of claim 1, wherein: in the thickness direction of the leading-out part, the sealant is provided with a first side and a second side which are opposite, and the blocking part is arranged on the outer surface of the first side and the outer surface of the second side.
4. A tap assembly according to claim 3, wherein: the blocking part and the sealant are of an integrated structure, and part of the outer surface of the first side and part of the outer surface of the second side extend and protrude along the thickness direction of the leading-out part to form the blocking part.
5. The pigtail assembly of claim 4, wherein: the height of the blocking part in the thickness direction of the leading-out part is H1, and H1 is more than or equal to 0.1mm and less than or equal to 5mm.
6. The pigtail assembly of claim 1, wherein: the adhesive tape is used for covering at least part of the transition area, an adhesive layer is arranged between the adhesive tape and the transition area, and the adhesive layer is formed into the blocking part.
7. The pigtail assembly of claim 6, wherein: the outer surface of one side of the blocking part facing the adhesive tape is abutted against the inner surface of one end of the adhesive tape facing the first seal area so as to tilt the first end of the adhesive tape.
8. The pigtail assembly of claim 7, wherein: the outer surface of one side of the blocking part facing the adhesive tape is an inclined surface, an included angle between the extending direction of the inclined surface and the length direction of the leading-out part is alpha, and alpha is more than or equal to 5 degrees and less than or equal to 90 degrees.
9. The battery cell is characterized by comprising the lead-out part assembly, a bare battery cell and an aluminum plastic film according to any one of claims 1 to 8, wherein the bare battery cell is packaged in the aluminum plastic film, the first section stretches into the aluminum plastic film, the electric connection area and the bare battery cell are welded to form a welding mark, an adhesive tape is coated on the welding mark, the first sealing area is sealed with the edge sealing area of the aluminum plastic film through the second sealing area to form a sealing seal, and the blocking part is used for blocking the adhesive tape from entering the sealing seal.
10. A battery module, characterized in that: comprising the cell of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976559.2U CN219937203U (en) | 2023-04-26 | 2023-04-26 | Extraction part assembly, battery cell and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320976559.2U CN219937203U (en) | 2023-04-26 | 2023-04-26 | Extraction part assembly, battery cell and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219937203U true CN219937203U (en) | 2023-10-31 |
Family
ID=88491066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320976559.2U Active CN219937203U (en) | 2023-04-26 | 2023-04-26 | Extraction part assembly, battery cell and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219937203U (en) |
-
2023
- 2023-04-26 CN CN202320976559.2U patent/CN219937203U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205564866U (en) | Battery cross tie part | |
| JP4749832B2 (en) | Secondary battery | |
| US8227108B2 (en) | Polymer battery pack | |
| KR101096894B1 (en) | Li secondary battery for improving bondability of tab to polymer film | |
| US8902594B2 (en) | Electrochemical capacitor | |
| CN209401760U (en) | Secondary cell and its tab component | |
| CN110391356B (en) | Battery with a battery cell | |
| CN210926193U (en) | Soft packet of lithium ion battery, battery package and electric automobile | |
| CN209709099U (en) | Secondary cell | |
| US10985431B2 (en) | Battery | |
| CN113330628A (en) | Electrochemical device and electronic device | |
| CN219937203U (en) | Extraction part assembly, battery cell and battery module | |
| CN108574058B (en) | Soft package battery | |
| CN115606043A (en) | Sealant, battery cell, battery and electric equipment | |
| CN219658771U (en) | Battery cell and battery module | |
| JP7056466B2 (en) | Power storage module | |
| CN219937202U (en) | Extraction part assembly, battery cell and battery module | |
| JP7079694B2 (en) | Power storage module | |
| CN113097436A (en) | Battery with a battery cell | |
| CN219716923U (en) | Battery cell and battery module | |
| JP7079695B2 (en) | Power storage module | |
| CN218004973U (en) | Battery and encapsulation head | |
| US20240039132A1 (en) | Power storage device, electric appliance, electrode terminal component, and manufacturing method thereof | |
| CN220856718U (en) | Battery cell | |
| CN117458054B (en) | Partial pressure structure, soft packet of battery monomer, soft packet of battery and power consumption device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |