CN221327906U - Battery cover plate with overturning blasting structure, battery and electricity utilization device - Google Patents
Battery cover plate with overturning blasting structure, battery and electricity utilization device Download PDFInfo
- Publication number
- CN221327906U CN221327906U CN202323074830.2U CN202323074830U CN221327906U CN 221327906 U CN221327906 U CN 221327906U CN 202323074830 U CN202323074830 U CN 202323074830U CN 221327906 U CN221327906 U CN 221327906U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- battery
- negative
- hole
- blasting
- 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
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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The battery cover plate comprises a cover plate and two electrode column assemblies, wherein a liquid injection hole and two electrode column through holes are formed in the cover plate, the two electrode column assemblies are correspondingly arranged on the two electrode column through holes, and the liquid injection hole is formed between the two electrode column through holes, so that electrolyte can be injected through the liquid injection hole; the battery cover plate further comprises a turnover blasting structure, the cover plate is provided with a turnover blasting hole, the turnover blasting structure comprises a membrane structure and a conductive convex hull arranged in the middle of the membrane structure, the membrane structure is connected in the turnover blasting hole, and the conductive convex hull can be driven to be conducted when the air pressure in the battery reaches a first preset pressure value so as to form a short circuit, and a circuit connected with the battery stops working.
Description
Technical Field
The utility model relates to the field of electrical equipment, in particular to a battery cover plate with a turnover blasting structure, a battery and an electric device.
Background
Lithium batteries are receiving more and more attention as an emerging energy storage medium by virtue of the advantages of high energy density, high output power, long charge and discharge life, quick charge, no pollution, wide working temperature range, small self discharge and the like, and have great significance in solving the environmental pollution and energy crisis of human beings. In the charging and discharging process of the lithium battery, abnormal gas is generated in the lithium battery, so that the internal pressure of the battery is overlarge, and the battery is inflated. Therefore, an explosion-proof structure is required to be arranged on a battery cover plate of the battery, when the internal pressure of the battery is too high, the explosion-proof structure bursts the external pressure, and the existing explosion-proof structure generally has only a bursting function and cannot perform short-circuit protection on the battery.
Disclosure of utility model
The utility model provides a battery cover plate with a turnover blasting structure, a battery and an electricity utilization device, wherein when the air pressure in the battery reaches a first preset pressure value through the turnover blasting structure, a diaphragm structure is controlled to drive a conductive convex hull to conduct an electrode column assembly so as to form a short circuit, so that a circuit connected with the battery stops working, and the effect of protecting the safety of the battery is achieved.
According to a first aspect of the utility model, the utility model provides a battery cover plate with a turnover blasting structure, which comprises a cover plate and two electrode column assemblies, wherein a liquid injection hole and two electrode column through holes are formed in the cover plate, the two electrode column assemblies are correspondingly arranged on the two electrode column through holes, and the liquid injection hole is arranged between the two electrode column through holes, so that electrolyte can be injected through the liquid injection hole;
The battery cover plate further comprises a turnover blasting structure, the cover plate is provided with a turnover blasting hole, the turnover blasting structure comprises a membrane structure and a conductive convex hull arranged in the middle of the membrane structure, the membrane structure is connected in the turnover blasting hole, and the conductive convex hull can be driven to be conducted when the air pressure in the battery reaches a first preset pressure value so as to form a short circuit, and a circuit connected with the battery stops working.
In the battery cover plate according to an embodiment of the utility model, the electrode post assembly includes a negative electrode post assembly, the negative electrode post assembly includes a negative electrode post, a negative electrode riveting block and a negative electrode insulating member, the negative electrode post is riveted with the negative electrode riveting block after passing through one of the post through holes, the negative electrode insulating member is disposed between the negative electrode riveting block and the cover plate, and the overturning blasting structure is disposed between the negative electrode insulating member and the cover plate.
In the battery cover plate according to an embodiment of the present utility model, the negative electrode insulating member is provided with a through hole structure, and the position of the conductive convex hull corresponds to the position of the through hole structure, so that the conductive convex hull can be electrically connected with the negative electrode riveting block through the through hole structure under the driving of the membrane structure.
In the battery cover plate according to an embodiment of the present utility model, the negative electrode riveting block is provided with an exhaust hole, the diaphragm structure is provided with a score groove, and the score groove can be exploded and exhausted through the exhaust hole when the air pressure in the battery reaches a second preset pressure value.
In the battery cover plate according to an embodiment of the utility model, the electrode column assembly includes a ceramic column, a first positioning hole is formed in the cover plate, a negative positioning groove is formed in the negative riveting block, a second positioning hole is formed in the negative insulating member, and the ceramic column is mounted in the first positioning hole and is accommodated in the negative positioning groove after passing through the second positioning hole.
In an embodiment of the battery cover plate, the cover plate includes a top cover plate and a lower plastic, a first protrusion is formed on a side of the top cover plate facing away from the lower plastic, a second protrusion is formed on a side of the lower plastic facing toward the top cover plate, and a position of the second protrusion corresponds to a position of the first protrusion.
In the battery cover plate according to an embodiment of the present utility model, the reverse explosion hole and the two post through holes are formed on the first protrusion and penetrate the second protrusion.
In the battery cover plate according to an embodiment of the utility model, the negative electrode column assembly includes a negative electrode seal ring, and the negative electrode seal ring is disposed between the negative electrode column and the cover plate.
According to a second aspect of the present utility model, there is also provided a battery comprising the battery cover plate described above.
According to a third aspect of the utility model, the utility model further provides an electric device, which comprises the battery, a cover plate, a turnover blasting structure and two electrode column assemblies, wherein the cover plate is provided with a turnover blasting hole, a liquid injection hole and two electrode column through holes; the membrane structure is connected in the upset blasthole to can drive the conductive convex closure and switch on electrode post subassembly in order to form the short circuit when the inside atmospheric pressure of battery reaches first preset pressure value, make the circuit that is connected with the battery stop work, play the effect of protecting battery safety.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a battery cover plate according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of the battery cover plate of FIG. 1;
FIG. 3 is an exploded view of the battery cover plate of FIG. 1;
FIG. 4 is a schematic view of the construction of the coversheet in FIG. 1;
FIG. 5 is a schematic view of the lower plastic in FIG. 1;
FIG. 6 is a schematic view of the construction of the negative rivet block of FIG. 1;
FIG. 7 is a schematic view of the reverse blasting structure of FIG. 1;
fig. 8 is a schematic structural view of the flip-flop blasting structure of fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. 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.
It is also to be understood that the terminology used in the description of the present utility model is for the purpose of describing the particular embodiments only, and it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. refer to the orientation or positional relationship as indicated on the basis of the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular 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 of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 8, according to a first aspect of the present application, there is provided a battery cover plate having an explosion-proof structure, comprising a cover plate 10 and two electrode post assemblies 20, wherein a liquid injection hole 111 and two electrode post through holes 115 are provided on the cover plate 10, the two electrode post assemblies 20 are correspondingly installed on the two electrode post through holes 115, and the liquid injection hole 111 is provided between the two electrode post through holes 115, so that electrolyte can be injected through the liquid injection hole 115.
In this embodiment, the battery cover plate further includes a flip-flop burst structure 30, wherein a flip-flop burst hole 116 is provided on the cover plate 10, the flip-flop burst structure 30 includes a membrane structure 31 and a conductive convex hull 32, and the conductive convex hull 32 is disposed in the middle of the membrane structure 31. The edge of the membrane structure 31 is connected to the outer edge of the turnover explosion hole 116, and when the air pressure inside the battery reaches a first preset pressure value, the membrane structure 31 drives the conductive convex hull 32 to conduct the electrode column assembly 20 to form a short circuit, so that a circuit connected with the battery stops working, and the effect of protecting the safety of the battery is achieved.
The post through hole 115 includes a positive post through hole 1151 and a negative post through hole 1152, the electrode post assembly 20 includes a positive post assembly 21 and a negative post assembly 22, the positive post assembly 21 is installed in the positive post through hole 1151, the negative post assembly 22 is installed in the negative post through hole 1152, the overturning blasting structure 30 is arranged between the negative post assembly 22 and the cover plate 10, and when the air pressure inside the battery reaches a first preset pressure value, the membrane structure 31 overturns towards the upper side of the cover plate 10 to drive the conductive convex hull 32 to conduct the electrode post assembly 20, thereby forming a short circuit, enabling a circuit connected with the battery to stop working, and playing a role in protecting the safety of the battery.
In an alternative embodiment, the negative electrode post assembly 22 includes a negative electrode post 221, a negative electrode riveting block 222 and a negative electrode insulator 223, the negative electrode post 221 is riveted with the negative electrode riveting block 222 after passing through one of the post through holes 115, the negative electrode insulator 223 is disposed between the negative electrode riveting block 222 and the cover plate 10, the overturning explosion structure 30 is disposed between the negative electrode insulator 223 and the cover plate 10, so that the negative electrode riveting block 222 can be in insulation with the cover plate 10, and meanwhile, when the air pressure in the battery reaches a first preset pressure value, the overturning explosion structure 30 drives the membrane structure 31 to overturn towards one side of the negative electrode insulator 223, so that the conductive convex hull 32 is driven to conduct the electrode post assembly 20 to form a short circuit, and a circuit connected with the battery stops working to play a role in protecting the safety of the battery.
In an alternative embodiment, the anode insulator 223 is provided with a through hole structure 2231, and the conductive bump 32 is located corresponding to the position of the through hole structure 2231, so that the conductive bump 32 can be electrically connected with the anode rivet block 222 through the through hole structure 2231 under the driving of the membrane structure 31.
In an alternative embodiment, the negative electrode riveting block 222 is provided with a vent 2221, wherein the diaphragm structure 31 is provided with a notch groove 311, and the notch groove 311 can burst and vent through the vent 2221 when the air pressure inside the battery reaches a second preset pressure value. Wherein the second preset pressure value is greater than the first preset pressure value.
For example, when high heat is generated inside the battery, the internal air pressure of the battery is rapidly increased and reaches the first preset pressure value, and the internal and external air pressure difference of the battery can turn over the turning burst structure 30, i.e. bulge towards one side of the negative electrode insulator 223, so that the negative electrode riveting block 222 is conducted to form a short circuit, and the circuit stops working to protect the battery. When the air pressure is further increased and the second preset pressure value is reached, the overturning blasting structure 30 starts blasting exhaust to block out of control of the battery, so that secondary protection is formed, and explosion of the battery is avoided. Wherein the reverse burst structure 30 bursts at the position of the score groove 311. After the technical scheme is adopted, as the overturning blasting structure 30 integrates the integral structure function of overturning blasting, parts of an independent explosion-proof valve are reduced, and protection patches of the explosion-proof valve are not needed, so that the product cost is reduced, the production procedures are reduced, the production yield is improved, and the market competitiveness of the product is further improved.
In an alternative embodiment, the electrode column assembly 22 includes a ceramic column 40, a first positioning hole is formed on the cover plate 10, a negative positioning groove 2223 is formed on the negative riveting block 222, a second positioning hole 2232 is formed on the negative insulator 223, and the ceramic column 40 is installed in the first positioning hole and is accommodated in the negative positioning groove 2223 after passing through the second positioning hole 2232, so as to form a fixing and limiting effect.
In an alternative embodiment, the negative electrode post 221 is provided with a negative electrode rivet post, and the negative electrode rivet post is riveted into the negative electrode rivet hole 2222 of the negative electrode rivet block 222 after passing through the negative electrode post through hole 1152, so as to firmly fix the negative electrode insulator 223, the negative electrode rivet block 222, and the negative electrode post 221 on the cap plate 10.
In an alternative embodiment, the negative electrode post assembly 22 includes a negative electrode sealing ring 224, and the negative electrode sealing ring 224 is disposed between the negative electrode post 221 and the cover plate 10, and is used for filling a gap between the negative electrode post 221 and the cover plate 10, so as to perform a sealing function to meet the product air tightness requirement.
In an alternative embodiment, the material of the negative electrode post 221 may be a copper-aluminum friction welding structure, or the negative electrode post 221 may be a copper-aluminum composite plate structure, which is not limited by the present application.
In an alternative embodiment, the positive electrode post assembly 21 includes a positive electrode post 211, a positive electrode riveting block 212, and a positive electrode conductive sheet 213, wherein the positive electrode post 211 is riveted with a positive electrode riveting hole of the positive electrode riveting block 212 after passing through the positive electrode post through hole 1151 and the positive electrode conductive sheet 213. Wherein, the positive electrode conductive sheet 213 is formed with a first protrusion 2131 and a countersink structure 2132 towards the positive electrode riveting block 212, the countersink structure forms a second protrusion on a side facing away from the positive electrode riveting block 212, the second protrusion is positioned and connected with a positive electrode positioning hole on the cover plate 10, and the first protrusion 2131 is positioned and connected with a riveting block positioning hole on the positive electrode riveting block 212.
In an alternative embodiment, the positive electrode post assembly 21 includes a positive electrode sealing ring 214, and the positive electrode sealing ring 214 is disposed between the positive electrode post 211 and the cover plate 10, and is used for filling a gap between the positive electrode post 211 and the cover plate 10, and performing a sealing function to meet the product air tightness requirement.
In an alternative embodiment, the cover plate 10 comprises a top cover plate 11 and a lower plastic 12, the side of the top cover plate 11 facing away from the lower plastic being formed with a first protrusion, the first protrusion being formed with a top cover plate recess 114 on the side facing the lower plastic 12, the side of the lower plastic 12 facing the top cover plate being formed with a second protrusion, the second protrusion being formed with a lower plastic recess on the side facing away from the top cover plate. The second protrusion corresponds to the first protrusion, so that the second protrusion can be connected with the top cover sheet groove 114, and the fixing and limiting effects are achieved.
Illustratively, the cap sheet groove 114 includes a first cap sheet groove 1141 and a second cap sheet groove 1142, with the positive post through-hole 1151 formed on an end face of the first cap sheet groove 1141 and the negative post through-hole 1152 and the reverse blast hole 116 formed on an end face of the second cap sheet groove 1142. In this embodiment, the lower plastic groove includes a first lower plastic groove 121 and a second lower plastic groove 122, the position of the first lower plastic groove 121 corresponds to the position of the first top cover plate groove 114, and the position of the second lower plastic groove 122 corresponds to the position of the second top cover plate groove 1142.
In an alternative embodiment, the reverse blast hole 116 and the two post through holes 115 are formed on the first protrusion and penetrate the second protrusion.
In an alternative embodiment, the top cover sheet 11 may be integrally formed with the flip-flop burst structure 30 by stamping, so that the laser welding process between the top cover sheet 11 and the flip-flop burst structure 30 may be omitted, the mold development cost may be reduced, the product yield may be improved, and the production cost may be reduced.
In an alternative embodiment, the cover plate 10 is provided with the sinking platform structure 112, and the liquid injection hole 111 is arranged at the bottom of the sinking platform structure 112, so that the liquid injection plane of the liquid injection hole 111 can be lower than the upper end surface of the cover plate 10, and in the liquid injection process, when electrolyte residual liquid overflows and is influenced by the height of the fourth sinking platform 111, the electrolyte cannot pollute the upper end surface of the cover plate 10, and the explosion-proof valve on one side of the liquid injection hole 111 can be prevented from being polluted by the electrolyte, so that the use safety and reliability of the battery are ensured. Wherein, the shape of the sinking platform structure 112 and the liquid injection hole 111 is round, elliptic or polygonal.
In an alternative embodiment, the cover plate 10 further includes a liquid filling hole cover, and the liquid filling hole cover can be connected to the liquid filling hole 111 in a sealing manner.
As shown in fig. 1 to 8, according to a second aspect of the present application, there is provided a battery including the battery cover plate described above.
As shown in fig. 1 to 8, according to a third aspect of the present application, there is provided an electric device including the above-described battery.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. 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 present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, 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.
The above disclosure provides many different embodiments, or examples, for implementing different structures of the application. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 application. 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.
Claims (10)
1. The battery cover plate with the overturning blasting structure is characterized by comprising a cover plate and two electrode column assemblies, wherein a liquid injection hole and two electrode column through holes are formed in the cover plate, the two electrode column assemblies are correspondingly arranged on the two electrode column through holes, and the liquid injection hole is formed between the two electrode column through holes, so that electrolyte can be injected through the liquid injection hole;
The battery cover plate further comprises a turnover blasting structure, the cover plate is provided with a turnover blasting hole, the turnover blasting structure comprises a membrane structure and a conductive convex hull arranged in the middle of the membrane structure, the membrane structure is connected in the turnover blasting hole, and the conductive convex hull can be driven to be conducted when the air pressure in the battery reaches a first preset pressure value so as to form a short circuit, and a circuit connected with the battery stops working.
2. The battery cover plate of claim 1, wherein the electrode post assembly comprises a negative post assembly comprising a negative post, a negative rivet block, and a negative insulator, the negative post is riveted with the negative rivet block after passing through one of the post through holes, the negative insulator is disposed between the negative rivet block and the cover plate, and the flip blasting structure is disposed between the negative insulator and the cover plate.
3. The battery cover plate according to claim 2, wherein a through hole structure is provided on the negative electrode insulator, and the position of the conductive convex hull corresponds to the position of the through hole structure, so that the conductive convex hull can be electrically connected with the negative electrode riveting block through the through hole structure under the driving of the membrane structure.
4. The battery cover plate of claim 3, wherein the negative rivet block is provided with a vent hole, the diaphragm structure is provided with a score groove, and the score groove can be exploded and vented through the vent hole when the air pressure in the battery reaches a second preset pressure value.
5. The battery cover plate according to claim 2, wherein the electrode column assembly comprises a ceramic column, a first positioning hole is formed in the cover plate, a negative positioning groove is formed in the negative riveting block, a second positioning hole is formed in the negative insulating piece, and the ceramic column is installed in the first positioning hole and is accommodated in the negative positioning groove after passing through the second positioning hole.
6. The battery cover plate according to claim 2, wherein the cover plate comprises a top cover plate and a lower plastic, a first protrusion is formed on a side of the top cover plate facing away from the lower plastic, a second protrusion is formed on a side of the lower plastic facing toward the top cover plate, and the position of the second protrusion corresponds to the position of the first protrusion.
7. The battery cover plate of claim 6, wherein the flip-flop blast hole and two of the post through holes are formed on the first protrusion and penetrate the second protrusion.
8. The battery cover plate of claim 2, wherein the negative electrode stem assembly includes a negative electrode seal ring disposed between the negative electrode stem and the cover plate.
9. A battery, characterized in that: the battery includes the battery cover plate according to any one of claims 1 to 8.
10. An electrical device, characterized in that: the power utilization device includes the battery as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074830.2U CN221327906U (en) | 2023-11-14 | 2023-11-14 | Battery cover plate with overturning blasting structure, battery and electricity utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323074830.2U CN221327906U (en) | 2023-11-14 | 2023-11-14 | Battery cover plate with overturning blasting structure, battery and electricity utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221327906U true CN221327906U (en) | 2024-07-12 |
Family
ID=91800705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323074830.2U Active CN221327906U (en) | 2023-11-14 | 2023-11-14 | Battery cover plate with overturning blasting structure, battery and electricity utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221327906U (en) |
-
2023
- 2023-11-14 CN CN202323074830.2U patent/CN221327906U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7520127B2 (en) | End cover unit, battery cell and exhaust method, battery and power consuming device | |
| CN115699437B (en) | Battery cell and manufacturing method and system thereof, battery and electric device | |
| CN213601965U (en) | Batteries, electrical devices and devices for producing batteries | |
| CN116171505B (en) | Battery cell and manufacturing method and system thereof, battery and electric device | |
| KR102890243B1 (en) | Batteries, electrical devices, methods and devices for manufacturing batteries | |
| US20220352573A1 (en) | Battery cell, battery, power consumption device, and battery manufacturing method and device | |
| CN219873977U (en) | Battery cell, battery and electricity utilization device | |
| JP7594658B2 (en) | Battery unit, its manufacturing method and manufacturing system, battery and power-using device | |
| CN118575347A (en) | Battery and electric equipment | |
| CN116438695B (en) | Battery, electrical device, method for preparing battery, and device for preparing battery | |
| CN221041444U (en) | Battery cell, battery and electricity utilization device | |
| CN117044015A (en) | Batteries, electrical equipment and battery preparation methods and preparation devices | |
| CN223124000U (en) | Battery cells, battery devices and power-consuming devices | |
| CN221327906U (en) | Battery cover plate with overturning blasting structure, battery and electricity utilization device | |
| US20240313337A1 (en) | End Cover, Battery Cell, Battery, and Electrical Device | |
| CN220510188U (en) | Top cap subassembly and battery cell | |
| CN117941133B (en) | Battery monomer, battery and electric equipment | |
| CN221379537U (en) | Battery cell, battery, electrical equipment, and device for manufacturing battery cell | |
| CN118525410A (en) | Battery cells, batteries and electrical equipment | |
| CN118198665A (en) | Battery cells, batteries and electrical devices | |
| CN223797496U (en) | Battery monomer, battery device and power utilization device | |
| CN220934333U (en) | Battery top cover and battery | |
| CN222620039U (en) | Battery and electric equipment | |
| CN222927723U (en) | Battery monomer, battery and electric equipment | |
| CN221009068U (en) | Battery top cover, battery and power utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250521 Address after: 530000 Guangxi Zhuang Autonomous Region Nanning City Jiangnan District Xiajin Road 12 Chantou (Jiangnan) Enterprise Park A8 Building Standard Factory Building Patentee after: Guangxi ares Energy Technology Co.,Ltd. Country or region after: China Address before: 530024, Guangxi Zhuang Autonomous Region, Nanning City, Xingning District, Sntao Town, Songbai Road No. 31, Xinggong Standard Factory Industrial Research Building No. 3, second floor, Room 201 Patentee before: Zhuo Neng New Energy (Nanning) Co., Ltd. Country or region before: China |