CN114824601B - Battery sealing structure and battery pack - Google Patents
Battery sealing structure and battery pack Download PDFInfo
- Publication number
- CN114824601B CN114824601B CN202210449073.3A CN202210449073A CN114824601B CN 114824601 B CN114824601 B CN 114824601B CN 202210449073 A CN202210449073 A CN 202210449073A CN 114824601 B CN114824601 B CN 114824601B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- plate assembly
- shell
- sealing element
- battery
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 239000003292 glue Substances 0.000 claims abstract description 41
- 239000004033 plastic Substances 0.000 claims description 29
- 238000004891 communication Methods 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 abstract description 14
- 238000003466 welding Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
- H01M50/645—Plugs
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The application belongs to the technical field of battery packs and discloses a battery sealing structure and a battery pack. The battery sealing structure comprises a cover plate assembly, a shell and a first sealing element, wherein a first glue solution channel is arranged in the cover plate assembly, the inlet end of the first glue solution channel faces the top end of the cover plate assembly and is communicated with the outside, one end of the shell is sleeved on the outer side of part of the cover plate assembly and is propped against the cover plate assembly, the first sealing element is arranged between the cover plate assembly and the shell, an annular cavity is arranged among the first sealing element, the cover plate assembly and the shell, and the annular cavity is communicated with the outlet end of the first glue solution channel. By using the battery sealing structure in the document, the connection process of the shell and the cover plate assembly is simplified, the reliability is improved, meanwhile, the welding cost is reduced, in addition, the first sealing element can prevent the hot melt adhesive from flowing down along the inner wall of the shell, and the sealing effect is achieved.
Description
Technical Field
The invention relates to the technical field of battery packs, in particular to a battery sealing structure and a battery pack.
Background
In the production process of the battery, the top cover and the shell are required to be sealed, and the current common method is to seal by adopting laser welding. The laser welding mainly utilizes the high energy density of laser beams, melts metal at the welding joint in a heat conduction mode, performs metal welding, and realizes connection and sealing of the battery top cover and the battery shell after the metal is cooled. The laser welding has higher requirements on metal types, gaps, surface cleanliness, surface gloss, shielding gas and the like at the metal joint, the operation is more complex, and various adverse conditions such as explosion welding, cracks, air holes, welding slag splashing and the like can occur in the implementation process, so that the laser welding has higher welding reject ratio and lower reliability, and secondly, the purchase cost of laser welding equipment is high, the energy consumption is high, and key parts are required to be maintained and replaced regularly, so that the maintenance cost is high.
Disclosure of Invention
The invention aims to provide a battery sealing structure which is used for at least solving the problems that the welding operation between the existing cover plate and a shell is complex and the cost is high.
To achieve the purpose, the invention adopts the following technical scheme:
A battery sealing structure, comprising:
the cover plate assembly is internally provided with a first glue solution channel, and the inlet end of the first glue solution channel faces the top end of the cover plate assembly and is communicated with the outside;
One end of the shell is sleeved on the outer side of part of the cover plate assembly and props against the cover plate assembly;
the first sealing element is arranged between the cover plate assembly and the shell, an annular cavity is arranged between the first sealing element, the cover plate assembly and the shell, and the annular cavity is communicated with the outlet end of the first glue solution channel.
In some embodiments of the present invention, the cover assembly includes a metal cover, a first plastic, a second plastic, and a post terminal, wherein the metal cover is respectively attached between the first plastic and the second plastic, and the post terminal can sequentially pass through the first plastic, the metal cover, and the second plastic and fix the three.
In some embodiments of the present invention, the metal cover plate includes a body portion and an abutting portion sleeved outside the body portion, the housing is sleeved outside the body portion, the top end of the housing abuts against the abutting portion, and the first glue solution channel is disposed in the body portion.
In some embodiments of the invention, the cover assembly further comprises a second sealing element disposed between the post terminal and the body portion, a top end of the second sealing element being in abutment with the first plastic, and a bottom end of the second sealing element being in abutment with the second plastic.
In some embodiments of the invention, the first sealing element and the second sealing element are both sealing rubber rings.
In some embodiments of the present invention, the first glue channel includes a first communication portion and a second communication portion, the first communication portion and the second communication portion being disposed vertically.
In some embodiments of the present invention, the liquid inlet direction of the inlet end of the first communication portion is perpendicular to the horizontal direction.
In some embodiments of the present invention, the cover plate assembly has a second glue solution channel therein, an inlet end of the second glue solution channel faces a top end of the cover plate assembly and is communicated with the outside, the annular cavity is communicated with an outlet end of the second glue solution channel, and the second glue solution channel and the first glue solution channel are symmetrically arranged about a symmetry plane of the cover plate assembly.
In some embodiments of the invention, the housing is an aluminum shell.
The invention also provides a battery pack, which comprises the battery sealing structure.
The invention has the beneficial effects that:
Through the battery sealing structure in the document, the combined structure of the cover plate component, the shell and the first sealing element is adopted, an operator can inject the hot melt adhesive into the first adhesive channel of the cover plate component and finally flow to the annular cavity formed by the first sealing element, the cover plate component and the shell, the cooled hot melt adhesive can firmly bond the cover plate component and the shell, the connection process of the shell and the cover plate component is simplified, the reliability is improved, meanwhile, the welding cost is reduced, and in addition, the first sealing element can prevent the hot melt adhesive from flowing downwards along the inner wall of the shell, so that the sealing effect is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of a battery pack according to the present invention;
FIG. 2 is a cross-sectional view of the battery pack of FIG. 1 in the direction A-A;
fig. 3 is an enlarged view of a portion B in fig. 2;
Fig. 4 is an enlarged view of a portion C in fig. 2.
In the figure:
100. a battery pack;
10. A cover plate assembly; 111. a body portion; 1111. a first glue channel; 11111. a first communication section; 11112. a second communication portion; 112. an abutting portion; 12. a first plastic; 13. a second plastic; 14. a post terminal; 15. a second sealing element;
20. A housing;
30. A first sealing element;
40. an annular cavity.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; 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 present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Fig. 1 is a schematic view of the overall structure of a battery pack according to the present invention. Fig. 2 is a sectional view of the battery pack of fig. 1 in the direction A-A. Fig. 3 is an enlarged view of a portion B in fig. 2. Fig. 4 is an enlarged view of a portion C in fig. 2. As shown in fig. 1,2, 3 and 4, the battery sealing structure of the present invention includes a cover plate assembly 10, a housing 20 and a first sealing element 30, wherein a first glue solution channel is provided in the cover plate assembly 10, an inlet end of the first glue solution channel faces a top end of the cover plate assembly 10 and is communicated with the outside, one end of the housing 20 is sleeved outside a part of the cover plate assembly 10 and abuts against the cover plate assembly 10, the first sealing element 30 is provided between the cover plate assembly 10 and the housing 20, an annular cavity 40 is provided between the first sealing element 30, the cover plate assembly 10 and the housing 20, and the annular cavity 40 is communicated with an outlet end of the first glue solution channel.
By using the battery sealing structure in the document of the application, the combined structure of the cover plate assembly 10, the shell 20 and the first sealing element 30 is adopted, an operator can inject the hot melt adhesive into the first adhesive channel of the cover plate assembly 10 and finally flow to the annular cavity 40 formed by the first sealing element 30, the cover plate assembly 10 and the shell 20, the cooled hot melt adhesive can firmly bond the cover plate assembly 10 and the shell 20, the connection process of the shell 20 and the cover plate assembly 10 is simplified, the reliability is improved, the welding cost is reduced, and in addition, the first sealing element 30 can prevent the hot melt adhesive from flowing downwards along the inner wall of the shell 20 to play a role in sealing.
In some embodiments of the present invention, as shown in fig. 2, the cover assembly 10 includes a metal cover, a first plastic 12, a second plastic 13, and a post terminal 14, wherein the metal cover is respectively attached between the first plastic 12 and the second plastic 13, and the post terminal 14 can sequentially pass through the first plastic 12, the metal cover, and the second plastic 13 and fix the three. In this embodiment, the first plastic 12 and the second plastic 13 can insulate the metal cover plate from the terminal 14, and the terminal 14 can electrically connect the inside and the outside of the battery, so as to facilitate the current transmission.
In some embodiments of the present invention, as shown in fig. 2 and 3, the metal cover plate includes a main body 111 and an abutting portion 112 sleeved outside the main body 111, the housing 20 is sleeved outside the main body 111, the top end of the housing 20 abuts against the abutting portion 112, and the first glue channel is disposed in the main body 111. In this embodiment, the abutting portion 112 abuts against the top end of the housing 20 to achieve sealing therebetween, and form the annular cavity 40 between the body portion 111, the first sealing element 30, the abutting portion 112 and the housing 20 for communicating with the first glue channel, so as to finally complete the bonding operation between the housing 20 and the metal cover plate.
Specifically, in other embodiments of the present invention, the first glue channel may also be disposed on the abutting portion 112, and the hot melt glue can be injected into the annular cavity 40, so as to complete the bonding operation of the cover assembly 10 and the housing 20.
In some embodiments of the present invention, as shown in fig. 2, the cover assembly 10 further includes a second sealing element 15, where the second sealing element 15 is disposed between the post terminal 14 and the body 111, the top end of the second sealing element 15 abuts against the first plastic 12, and the bottom end of the second sealing element 15 abuts against the second plastic 13. In the present embodiment, the second sealing member 15 can prevent electrolyte inside the battery from flowing out of the cap plate assembly 10, improving the sealability and reliability of the overall battery pack 100.
In some embodiments of the present invention, both the first sealing element 30 and the second sealing element 15 are sealing rubber rings. In this embodiment, the sealing rubber ring can prevent the hot melt adhesive from flowing down along the inner wall of the housing 20, and can also prevent the electrolyte in the battery from flowing out of the cover plate assembly 10, thereby having the functions of preventing air leakage and preventing liquid leakage, and simultaneously having the functions of pressure relief, vibration prevention and loosening prevention due to the rubber material.
In some embodiments of the present invention, as shown in fig. 3, the first glue channel includes a first communication portion 11111 and a second communication portion 11112, and the first communication portion 11111 and the second communication portion 11112 are disposed vertically. In this embodiment, when the operator processes the body portion 111, the operator can conveniently process the vertically arranged two-stage communication portion, and the processing convenience is improved.
In some embodiments of the present invention, as shown in fig. 3, the liquid inlet direction of the inlet end of the first communicating portion 11111 is perpendicular to the horizontal direction. In this embodiment, when the worker injects the hot melt adhesive into the first communicating portion 11111, the first communicating portion 11111 is vertically disposed, so that the flowing direction of the hot melt adhesive is vertical, and the hot melt adhesive flows more quickly, so that the injection operation is completed quickly, and the operation efficiency is improved.
In some embodiments of the present invention, the cover assembly 10 has a second glue channel therein, an inlet end of the second glue channel faces a top end of the cover assembly 10 and is in communication with the outside, the annular cavity 40 is in communication with an outlet end of the second glue channel, and the second glue channel and the first glue channel are symmetrically disposed about a symmetry plane of the cover assembly 10. In this embodiment, the body 111 of the cover assembly 10 is provided with a first glue channel and a second glue channel, so that when an operator performs a liquid injection operation, the annular cavity 40 can be quickly filled, thereby improving the operation efficiency.
Specifically, in other embodiments of the present invention, a plurality of glue channels may be provided, which can also increase the speed of filling the annular cavity 40 with the hot melt glue, thereby improving the working efficiency.
In some embodiments of the present invention, the housing 20 is an aluminum housing, but it is also possible to use other materials of the housing 20, such as a plastic housing, a steel housing, etc., and the present embodiment is not limited to the material of the housing 20.
The invention also provides a battery pack 100 comprising the battery sealing structure.
By using the battery pack 100 in the document of the present application, the combined structure of the cover plate assembly 10, the case 20 and the first sealing member 30 is adopted, so that an operator can inject the hot melt adhesive into the first adhesive channel of the cover plate assembly 10 and finally flow to the annular cavity 40 formed by the first sealing member 30, the cover plate assembly 10 and the case 20, the cooled hot melt adhesive can firmly adhere the cover plate assembly 10 and the case 20, the connection process of the case 20 and the cover plate assembly 10 is simplified, the reliability is improved, and meanwhile, the welding cost is reduced, in addition, the first sealing member 30 can prevent the hot melt adhesive from flowing down along the inner wall of the case 20, and the sealing effect is achieved.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. A battery sealing structure, characterized by comprising:
The cover plate assembly (10), a first glue solution channel (1111) is arranged in the cover plate assembly (10), and the inlet end of the first glue solution channel (1111) faces the top end of the cover plate assembly (10) and is communicated with the outside;
the shell (20), one end of the shell (20) is sleeved on the outer side of part of the cover plate assembly (10) and is propped against the cover plate assembly (10);
A first sealing element (30), wherein the first sealing element (30) is arranged between the cover plate assembly (10) and the shell (20), an annular cavity (40) is arranged among the first sealing element (30), the cover plate assembly (10) and the shell (20), and the annular cavity (40) is communicated with the outlet end of the first glue solution channel (1111);
The cover plate assembly (10) comprises a metal cover plate, the metal cover plate comprises a body part (111) and an abutting part (112) sleeved outside the body part (111), the shell (20) is sleeved outside the body part (111) and the top end of the shell (20) abuts against the abutting part (112), so that an annular cavity (40) is formed among the body part (111), the first sealing element (30), the abutting part (112) and the shell (20), and the first glue solution channel (1111) is arranged in the body part (111);
the first glue channel (1111) comprises a first communication part (11111) and a second communication part (11112), and the first communication part (11111) and the second communication part (11112) are vertically arranged.
2. The battery sealing structure according to claim 1, wherein the cover plate assembly (10) further comprises a first plastic (12), a second plastic (13) and a post terminal (14), the metal cover plate is respectively attached between the first plastic (12) and the second plastic (13), and the post terminal (14) can sequentially pass through the first plastic (12), the metal cover plate and the second plastic (13) and fix the three.
3. The battery sealing structure according to claim 2, wherein the cover plate assembly (10) further comprises a second sealing element (15), the second sealing element (15) is disposed between the post terminal (14) and the body portion (111), a top end of the second sealing element (15) abuts against the first plastic (12), and a bottom end of the second sealing element (15) abuts against the second plastic (13).
4. A battery sealing arrangement according to claim 3, characterized in that the first sealing element (30) and the second sealing element (15) are both sealing rubber rings.
5. The battery sealing structure according to claim 1, wherein the liquid inlet direction of the inlet end of the first communicating portion (11111) is disposed perpendicular to the horizontal direction.
6. The battery sealing structure according to claim 1, wherein the cover plate assembly (10) is provided with a second glue solution channel, an inlet end of the second glue solution channel faces to the top end of the cover plate assembly (10) and is communicated with the outside, the annular cavity (40) is communicated with an outlet end of the second glue solution channel, and the second glue solution channel and the first glue solution channel (1111) are symmetrically arranged about a symmetry plane of the cover plate assembly (10).
7. The battery sealing structure according to claim 1, wherein the case (20) is an aluminum case.
8. A battery pack comprising the battery sealing structure of any one of claims 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449073.3A CN114824601B (en) | 2022-04-26 | 2022-04-26 | Battery sealing structure and battery pack |
| PCT/CN2023/090183 WO2023186178A1 (en) | 2022-04-26 | 2023-04-24 | Battery sealing structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210449073.3A CN114824601B (en) | 2022-04-26 | 2022-04-26 | Battery sealing structure and battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114824601A CN114824601A (en) | 2022-07-29 |
| CN114824601B true CN114824601B (en) | 2024-05-03 |
Family
ID=82507840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210449073.3A Active CN114824601B (en) | 2022-04-26 | 2022-04-26 | Battery sealing structure and battery pack |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114824601B (en) |
| WO (1) | WO2023186178A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824601B (en) * | 2022-04-26 | 2024-05-03 | 湖北亿纬动力有限公司 | Battery sealing structure and battery pack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2222961A1 (en) * | 1971-05-12 | 1972-11-23 | Irving L Navarre | Method for assembling objects made of plastic |
| US4382833A (en) * | 1981-08-25 | 1983-05-10 | Rca Corporation | Vacuum lamination fixture |
| CN208157464U (en) * | 2018-04-24 | 2018-11-27 | 肇庆理士电源技术有限公司 | A kind of lead-acid accumulator and its glue-leakage-resistant terminal structure |
| CN109193032A (en) * | 2018-08-16 | 2019-01-11 | 深圳欣旺达智能科技有限公司 | Polymer battery and its packaging technology |
| CN214334223U (en) * | 2020-12-30 | 2021-10-01 | 海南电网有限责任公司琼海供电局 | Storage battery valve body detection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000138042A (en) * | 1998-11-02 | 2000-05-16 | Matsushita Electric Ind Co Ltd | Organic electrolyte battery |
| DE102013200560A1 (en) * | 2013-01-16 | 2014-07-17 | Robert Bosch Gmbh | Battery i.e. lithium ion battery, for use at e.g. underbody for supporting drive of hybrid vehicle, has cover plate covering opening of housing, where connection between plate and housing includes adhesive joint with sealing substance |
| CN110391368A (en) * | 2018-04-20 | 2019-10-29 | 宁德时代新能源科技股份有限公司 | Secondary battery, method of assembling the same, and battery module |
| CN114824601B (en) * | 2022-04-26 | 2024-05-03 | 湖北亿纬动力有限公司 | Battery sealing structure and battery pack |
| CN218648049U (en) * | 2022-10-10 | 2023-03-17 | 荷贝克电源系统（武汉）有限公司 | Lead-acid battery shell and battery monomer |
-
2022
- 2022-04-26 CN CN202210449073.3A patent/CN114824601B/en active Active
-
2023
- 2023-04-24 WO PCT/CN2023/090183 patent/WO2023186178A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2222961A1 (en) * | 1971-05-12 | 1972-11-23 | Irving L Navarre | Method for assembling objects made of plastic |
| US3808073A (en) * | 1971-05-12 | 1974-04-30 | Irving L Navarre | Method of assembling plastic apparatus |
| US4382833A (en) * | 1981-08-25 | 1983-05-10 | Rca Corporation | Vacuum lamination fixture |
| CN208157464U (en) * | 2018-04-24 | 2018-11-27 | 肇庆理士电源技术有限公司 | A kind of lead-acid accumulator and its glue-leakage-resistant terminal structure |
| CN109193032A (en) * | 2018-08-16 | 2019-01-11 | 深圳欣旺达智能科技有限公司 | Polymer battery and its packaging technology |
| CN214334223U (en) * | 2020-12-30 | 2021-10-01 | 海南电网有限责任公司琼海供电局 | Storage battery valve body detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023186178A1 (en) | 2023-10-05 |
| CN114824601A (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114824601B (en) | Battery sealing structure and battery pack | |
| JP4262225B2 (en) | Secondary battery | |
| US20230042566A1 (en) | Battery pack housing, battery pack, and electric vehicle | |
| CN210668479U (en) | Battery module and power battery pack thereof | |
| CN107732042A (en) | A kind of block and the lithium battery comprising the block | |
| US9318753B2 (en) | Fuel cell | |
| CN209786030U (en) | battery pack and shell thereof | |
| CN113809337B (en) | Fuel cell bipolar plate and fuel cell | |
| CN101783428B (en) | Low pressure molding package structure for fuel cell | |
| KR20110114721A (en) | Sealed battery and manufacturing method thereof, and vehicles and machinery in which the same is installed | |
| CN116780020A (en) | Battery pack and energy storage device | |
| CN219106463U (en) | Power battery cover and power battery | |
| CN113644336B (en) | Battery box and battery pack with same | |
| CN207896166U (en) | Battery modules and battery pack | |
| CN209947953U (en) | Fuel cell and injection molding equipment | |
| CN207368021U (en) | A kind of lithium ion battery ceramic cover plate component and lithium ion battery | |
| CN105679990A (en) | Storage battery | |
| CN207330723U (en) | Flow passage cover plate brick and photovoltaic glass melting furnaces | |
| CN219163501U (en) | Battery pack and power device | |
| JP5153220B2 (en) | Lead acid battery | |
| CN115939441B (en) | Bipolar plate and fuel cell | |
| CN219832932U (en) | Explosion-proof assembly | |
| CN217475062U (en) | Block with annular water course | |
| CN220439784U (en) | Battery pack box, battery pack and electric automobile | |
| CN209544533U (en) | A kind of extreme ear structure lithium battery that interlocks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |