CN111261976A - Large-capacity battery with radiating pipe - Google Patents
Large-capacity battery with radiating pipe Download PDFInfo
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- CN111261976A CN111261976A CN202010216496.1A CN202010216496A CN111261976A CN 111261976 A CN111261976 A CN 111261976A CN 202010216496 A CN202010216496 A CN 202010216496A CN 111261976 A CN111261976 A CN 111261976A
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- winding core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The application relates to a large-capacity battery with a heat dissipation function, and belongs to the technical field of battery heat dissipation. The solar cell comprises an aluminum shell, a cylindrical roll core, an anode cover plate, a cathode cover plate, an anode bus bar, a cathode bus bar, an anode silica gel sheet, a cathode silica gel sheet, a cell bracket and a radiating tube; the cylindrical winding core consists of a winding core and a metal cylinder wrapping the winding core; all the metal cylinders are welded into a whole; the cylindrical winding core is of a non-lug structure; a plurality of cylindrical winding cores are arranged in the aluminum shell, and the positive electrode end of each cylindrical winding core is welded with the positive electrode bus sheet; a negative silica gel sheet is filled between the negative converging sheet and the negative cover plate, and a positive silica gel sheet is filled between the positive converging sheet and the positive cover plate and used for heat conduction; the battery bracket is clamped between the cylindrical winding cores; the radiating pipe is welded with the adjacent metal cylinder. The heat dissipation pipeline of battery simple structure is practical, and the cooling tube passes from the battery is inside, dispels the heat simultaneously and the samming, improves the thermal safety nature of radiating efficiency, extension battery life and improvement battery.
Description
Technical Field
The application relates to a large-capacity battery with a radiating pipe, and belongs to the technical field of battery radiating.
Background
With the further aggravation of environmental pollution, new energy automobile technology has been unprecedentedly developed. Battery thermal management is one of new energy automobile's key technology, and power battery can produce a large amount of heats in the use, if these heats are not in time discharged, will make the temperature of battery module continuously rise, so not only can influence power battery's performance, shorten battery life, still can cause certain degree's harm to battery structure, lead to the emergence of incident such as thermal runaway even, so effectual thermal management is extremely important to the battery.
At present, when the single batteries are grouped, a heat dissipation system is added on the periphery of the single batteries, and the large-capacity batteries have large three-dimensional size, so that the condition of nonuniform internal temperature of the batteries is very serious, the temperature difference between the heat dissipation surface and the heat dissipation surface is larger, or the temperature difference between the heat dissipation surface and the center of the batteries is larger, and the maximum temperature difference is even up to 10-20 ℃ (positively correlated with the thickness, the capacity and the charge-discharge multiplying power of the batteries). The inconsistency of the internal temperature of the high-capacity single battery can cause the reduction of the comprehensive performance of the battery and even bring about safety problems.
Disclosure of Invention
In order to solve the problems, the application designs the high-capacity battery with the internally-arranged radiating pipe, so that the radiating rate inside the battery can be greatly improved, the uniformity of the internal temperature of the battery is improved, and the safety of the battery is also improved.
The high-capacity battery comprises a metal shell, a cylindrical roll core, a positive cover plate, a negative cover plate, a positive bus bar, a negative bus bar, a positive insulating heat-conducting strip, a negative insulating heat-conducting strip, a battery bracket and a radiating pipe;
the shape of the metal shell is not limited to a cylinder or a square, and can be designed into any desired shape, such as a hexagon, an ellipse, a cylinder or a square;
the cylindrical winding core consists of a winding core and a metal cylinder wrapping the winding core; all the metal cylinders are welded into a whole; the cylindrical winding core is of an electrodeless lug structure, one end of the winding core is an anode matrix, and the other end of the winding core is a cathode matrix.
A plurality of cylindrical winding cores are arranged in the metal shell, the positive electrode base body at the positive end of each cylindrical winding core is welded with the positive electrode bus sheet, the negative electrode base body at the negative end of each cylindrical winding core is welded with the negative electrode bus sheet, and the cylindrical winding cores are connected in parallel to form a winding core group;
a negative electrode insulating heat conducting sheet is filled between the negative electrode manifold sheet and the negative electrode cover plate, and a positive electrode insulating heat conducting sheet is filled between the positive electrode manifold sheet and the positive electrode cover plate and used for conducting heat;
the negative pole afflux sheet and the negative pole insulation heat conducting sheet are both provided with a plurality of round holes for injecting liquid;
the cathode end fixes the cylindrical winding cores by using a battery bracket, and the battery bracket is clamped between the cylindrical winding cores; the upper position of the axial direction is limited by an insulating heat conducting sheet and a negative cover plate, and the lower position of the axial direction is limited by a metal cylinder.
The positive bus sheet is welded with the metal cylinder at the positive end of the cylindrical winding core;
the negative pole cover plate is provided with a negative pole column, a liquid injection hole and an explosion-proof membrane (an explosion-proof valve).
The entry end of cooling tube inserts from anodal (or negative pole) apron, stretches out from negative pole (or anodal) apron, and the cooling tube is in the same place with adjacent metal drum welding, bonding or integrated into one piece, has both fixed the cooling tube, has also guaranteed to roll up the core heat and has transmitted the cooling tube on through the metal drum.
In addition, the radiating pipe can be a linear structure. The radiating pipe can also be in a U-shaped structure, and is inserted from one side cover plate and then extends out from the same side cover plate. The number of the radiating pipes can be one, two or more than three. The radiating pipe is arranged among the plurality of cylindrical winding cores. Preferably, the radiating pipe is arranged at the center of the plurality of cylindrical winding cores.
Or all the negative electrode base body, the negative electrode confluence sheet, the metal cylinder, the radiating pipe and the metal shell can be connected in pairs.
The insulating heat conducting sheet is made of an insulating material and has a high heat conducting coefficient, and can be any one of a silicon sheet, silicon rubber, rubber and the like with the characteristics, and is not limited to the types.
The heat pipe can be filled with cooling liquid or ventilated, and the technology of connecting the heat pipe with the outside is known and is not claimed in the patent.
The application has the following technical effects and advantages:
this heat dissipation pipeline of large capacity battery simple structure is practical, and the cooling tube passes from the battery is inside, has carried out heat dissipation and samming simultaneously to the large capacity battery, has improved the radiating efficiency, has prolonged the life of battery and has improved the thermal safety nature of battery.
Drawings
Fig. 1 is an exploded view of a large capacity battery with a single straight type radiating pipe according to the present application.
Fig. 2 is a perspective view of the high capacity battery with a single straight type radiating pipe according to the present application.
Fig. 3 is a front view of the high capacity battery with a single straight type radiating pipe according to the present application.
Fig. 4 is a sectional view taken along line a-a of the large-capacity battery with the single straight type radiating pipe shown in fig. 3.
Fig. 5 is a schematic view illustrating the welding of the cylindrical winding core and the heat dissipation pipe.
Fig. 6 is a schematic perspective view of the cylindrical winding core and the radiating pipe in a welding manner.
Fig. 7 is a schematic side view of the cylindrical winding core and the heat pipe according to the present application.
Fig. 8 is an exploded view of the large capacity battery with a single U-shaped radiating pipe according to the present application.
Fig. 9 is a front view of the large capacity battery with a single U-shaped radiating pipe according to the present application.
Fig. 10 is a sectional view taken along line a-a of the large capacity battery with a single U-shaped radiating pipe shown in fig. 9.
Fig. 11 is an exploded view of the large capacity battery with the double U-shaped radiating pipe according to the present application.
Fig. 12 is a perspective view of the large capacity battery with the double U-shaped radiating pipe according to the present application.
Fig. 13 is a front view of the large capacity battery with the double U-shaped radiating pipe according to the present application.
Fig. 14 is a sectional view taken along line a-a of the large capacity battery with the double U-shaped radiating pipe shown in fig. 13.
Detailed Description
The following detailed description of embodiments of the present application refers to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the drawing, 1 is a negative cover plate, 21 is a negative insulation heat conduction sheet, 22 is a positive insulation heat conduction sheet, 3 is a negative bus bar, 4 is a metal shell, 5 is a battery support, 6 is a cylindrical winding core, 7 is a positive bus bar, 8 is a positive cover plate, 11 is a negative pole column, 12 is a liquid injection port (an explosion-proof membrane or an explosion-proof valve), 61 is a winding core, 62 is a metal cylinder, and 9 is a heat radiation pipe.
Fig. 1 is an exploded view of a large capacity battery with a single straight type radiating pipe according to the present application. Fig. 2 is a perspective view of the high capacity battery with a single straight type radiating pipe according to the present application. Fig. 3 is a front view of the high capacity battery with a single straight type radiating pipe according to the present application. Fig. 4 is a sectional view taken along line a-a of the large-capacity battery with the single straight type radiating pipe shown in fig. 3. As shown in fig. 1-4, the large-capacity battery designed by the present application includes a metal case 4, a cylindrical roll core 6, a positive cover plate 8, a negative cover plate 1, a positive bus bar 7, a negative bus bar 3, a positive insulating heat-conducting strip 21, a negative insulating heat-conducting strip 22, and a battery support 5; the shape of the metal shell is not limited to a cylinder or a square, and can be designed into any desired shape, such as a hexagon, an ellipse, a cylinder or a square; the cylindrical winding core 6 consists of a winding core 61 and a metal cylinder 62 wrapping the winding core; the cylindrical winding core is of an electrodeless lug structure, one end of the winding core is an anode matrix, and the other end of the winding core is a cathode matrix.
A plurality of cylindrical winding cores 6 are arranged in the metal shell 4, and all the metal cylinders 62 are welded into a whole; the positive electrode base body at the positive electrode end of the cylindrical winding core 6 is welded with the positive electrode bus sheet 7, and the negative electrode base body at the negative electrode end of the cylindrical winding core 6 is welded with the negative electrode bus sheet 3, so that the positive electrode base body and the negative electrode bus sheet are connected in parallel to form a winding core group; a negative electrode insulating heat conducting strip 21 is filled between the negative electrode manifold piece 3 and the negative electrode cover plate 1, and a positive electrode insulating heat conducting strip 22 is filled between the positive electrode manifold piece 7 and the positive electrode cover plate 8 and used for conducting heat; the negative pole afflux sheet 3 and the negative pole insulation heat conducting sheet 21 are both provided with a plurality of round holes for injecting liquid; the cathode end fixes the cylindrical winding cores 6 by using a battery bracket 5, and the battery bracket 5 is clamped between the cylindrical winding cores 6; the upper position of the axial direction is limited by an insulating heat conducting sheet and a negative electrode cover plate 1, and the lower position of the axial direction is limited by a metal cylinder 62.
The positive pole confluence sheet 7 is welded with the metal cylinder 62 at the positive pole end of the cylindrical winding core 6; the negative electrode cover plate 1 is provided with a negative electrode post 11, a liquid injection hole 12 and an explosion-proof membrane (explosion-proof valve).
The inlet end of the radiating pipe 9 is inserted from the positive (or negative) cover plate 8 and extends from the negative (or positive) cover plate 1, and the radiating pipe 9 is welded with the adjacent metal cylinder 62, so that the radiating pipe is fixed, and the heat of the winding core is also transmitted to the radiating pipe through the metal cylinder. The cooling liquid in the heat pipe and the technique of connecting with the outside are well known and not claimed in this patent.
Fig. 5 is a schematic view illustrating the welding of the cylindrical winding core and the heat dissipation pipe. Fig. 6 is a schematic perspective view of the cylindrical winding core and the radiating pipe in a welding manner. Fig. 7 is a schematic side view of the cylindrical winding core and the heat pipe according to the present application. As shown, the radiating pipe 9 is coupled with the adjacent metal cylinder 62 after being inserted, and preferably, the radiating pipe 9 is welded with the adjacent metal cylinder 62 after being inserted. The radiating pipe 9 is arranged among the plurality of cylindrical winding cores 6, and preferably, the radiating pipe 9 is arranged at the center of the plurality of cylindrical winding cores 6.
Example 1:
as shown in fig. 1-7, the heat pipe 9 is a straight structure, inserted from the positive (or negative) cover plate 8 and extended from the negative (or positive) cover plate 1, and the heat pipe 9 is welded to the adjacent metal cylinder 62, so as to fix the heat pipe and ensure the heat of the winding core to be transmitted to the heat pipe through the metal cylinder. The number of the radiating pipes is not limited and can be multiple.
Example 2:
fig. 8 is an exploded view of the large capacity battery with a single U-shaped radiating pipe according to the present application. Fig. 9 is a front view of the large capacity battery with a single U-shaped radiating pipe according to the present application. Fig. 10 is a sectional view taken along line a-a of the large capacity battery with a single U-shaped radiating pipe shown in fig. 9. As shown in fig. 8-10, the heat pipe 9 is U-shaped and inserted from a side cover plate and extended from the same side cover plate, and the heat pipe 9 is welded to the adjacent metal cylinder 62, thereby fixing the heat pipe and ensuring that the heat of the winding core is transferred to the heat pipe through the metal cylinder.
Fig. 11 is an exploded view of the large capacity battery with the double U-shaped radiating pipe according to the present application. Fig. 12 is a perspective view of the large capacity battery with the double U-shaped radiating pipe according to the present application. Fig. 13 is a front view of the large capacity battery with the double U-shaped radiating pipe according to the present application. Fig. 14 is a sectional view taken along line a-a of the large capacity battery with the double U-shaped radiating pipe shown in fig. 13. As shown in fig. 11 to 14, two U-shaped radiating pipes 9 are inserted from one side cover plate and then extended from the same side cover plate, and the radiating pipes 9 are welded to the adjacent metal cylinders 62. In order to improve the heat dissipation effect, the number of the heat dissipation pipes is not limited and can be multiple.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application.
Claims (10)
1. A high-capacity battery with radiating tubes is characterized by comprising a metal shell, a cylindrical winding core, an anode cover plate, a cathode cover plate, an anode bus sheet, a cathode bus sheet, an anode insulating radiating fin, a cathode insulating radiating fin, a battery bracket and radiating tubes; the cylindrical winding core consists of a winding core and a metal cylinder wrapping the winding core; all the metal cylinders are welded into a whole; the cylindrical winding core is of an electrode-lug-free structure, one end of the winding core is an anode aluminum foil, and the other end of the winding core is a cathode copper foil; a plurality of cylindrical winding cores are arranged in the metal shell, the positive electrode base body at the positive end of each cylindrical winding core is welded with the positive electrode bus sheet, the negative electrode base body at the negative end of each cylindrical winding core is welded with the negative electrode bus sheet, and the cylindrical winding cores are connected in parallel to form a winding core group; a negative insulation radiating fin is filled between the negative bus bar and the negative cover plate, and a positive insulation radiating fin is filled between the positive bus bar and the positive cover plate and used for heat conduction; the negative pole afflux sheet and the negative pole insulation radiating sheet are both provided with a plurality of round holes for injecting liquid; the cathode end fixes the cylindrical winding cores by using a battery bracket, and the battery bracket is clamped between the cylindrical winding cores; the upper position of the axial direction is limited by an insulating radiating fin and a negative cover plate, and the lower position of the axial direction is limited by a metal cylinder; the positive bus sheet is welded with the metal cylinder at the positive end of the cylindrical winding core; the negative pole cover plate is provided with a negative pole column, a liquid injection hole and an explosion-proof valve; the radiating pipe is welded, bonded or integrally formed with the adjacent metal cylinder, and all the negative electrode base body, the negative electrode manifold sheet, the metal cylinder, the radiating pipe and the metal shell can be connected in pairs.
2. The large-capacity battery with heat dissipation according to claim 1, wherein the metal case has any desired shape of a hexagon, an ellipse, a cylinder, or a square.
3. The heat-dissipating large-capacity battery as claimed in claim 1 or 2, wherein the heat-dissipating pipe is welded to the adjacent metal cylinder.
4. A large capacity battery with radiating pipe according to claim 1 or 2, wherein said radiating pipe is of a straight line type structure, and the inlet end of said radiating pipe is inserted from the negative electrode cap plate and is protruded from the positive electrode cap plate.
5. The heat dissipating large capacity battery as set forth in claim 1 or 2, wherein the heat dissipating pipe is of a straight line type structure, and the inlet end of the heat dissipating pipe is inserted into the positive electrode cap plate and is protruded from the negative electrode cap plate.
6. The large-capacity battery with heat dissipation function as claimed in claim 1 or 2, wherein the heat dissipation pipe has a U-shaped structure, is inserted from one side cover plate, and is then extended from the same side cover plate.
7. The large-capacity battery with heat dissipation according to claim 1 or 2, wherein the heat dissipation pipe is plural.
8. The large capacity battery with heat dissipation function as claimed in claim 6, wherein the heat dissipation pipe is plural, and the heat dissipation pipe is located between the plurality of cylindrical winding cores.
9. The large-capacity battery with heat dissipation according to claim 6,
the radiating pipe is located at the center of the plurality of cylindrical roll cores.
10. A large-capacity battery according to claim 1, wherein the insulating and heat-conducting sheet is made of any one of a silicone sheet, a silicone rubber, and a rubber having such properties, and is not limited to the above-mentioned ones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010216496.1A CN111261976A (en) | 2020-03-25 | 2020-03-25 | Large-capacity battery with radiating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010216496.1A CN111261976A (en) | 2020-03-25 | 2020-03-25 | Large-capacity battery with radiating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111261976A true CN111261976A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010216496.1A Withdrawn CN111261976A (en) | 2020-03-25 | 2020-03-25 | Large-capacity battery with radiating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111261976A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611958A (en) * | 2021-08-03 | 2021-11-05 | 深圳市科信通信技术股份有限公司 | Battery cell and manufacturing method thereof |
| CN113644338A (en) * | 2021-07-28 | 2021-11-12 | 上海比耐信息科技有限公司 | Cylindrical battery pack and manufacturing method thereof |
| CN114497832A (en) * | 2022-02-23 | 2022-05-13 | 上海理工大学 | Cylindrical battery with heat dissipation flow channel and heat dissipation module thereof |
| CN115395164A (en) * | 2022-09-16 | 2022-11-25 | 新疆赛创新能源有限公司 | Single battery, battery pack and battery pack |
-
2020
- 2020-03-25 CN CN202010216496.1A patent/CN111261976A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644338A (en) * | 2021-07-28 | 2021-11-12 | 上海比耐信息科技有限公司 | Cylindrical battery pack and manufacturing method thereof |
| CN113611958A (en) * | 2021-08-03 | 2021-11-05 | 深圳市科信通信技术股份有限公司 | Battery cell and manufacturing method thereof |
| CN114497832A (en) * | 2022-02-23 | 2022-05-13 | 上海理工大学 | Cylindrical battery with heat dissipation flow channel and heat dissipation module thereof |
| CN115395164A (en) * | 2022-09-16 | 2022-11-25 | 新疆赛创新能源有限公司 | Single battery, battery pack and battery pack |
| CN115395164B (en) * | 2022-09-16 | 2023-09-15 | 新疆赛创新能源有限公司 | Single battery, battery pack and battery pack |
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Application publication date: 20200609 |