CN219419169U - Battery module with conductive heat sink - Google Patents
Battery module with conductive heat sink Download PDFInfo
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- CN219419169U CN219419169U CN202320146952.9U CN202320146952U CN219419169U CN 219419169 U CN219419169 U CN 219419169U CN 202320146952 U CN202320146952 U CN 202320146952U CN 219419169 U CN219419169 U CN 219419169U
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- sheet
- conductive
- battery module
- heat sink
- battery
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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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Abstract
The utility model provides a battery module with conductive radiating fins, which are arranged between any two adjacent battery units, wherein the conductive radiating fins are provided with a sheet-shaped electric insulation body and at least one conductive part, the electric transmission path of the sheet-shaped electric insulation body is formed to ensure that the battery units are electrically connected, and the conductive radiating fins can be provided with micro-channels so as to improve the volume utilization rate and waste heat removal efficiency of the whole battery module.
Description
Technical Field
The present utility model relates to a battery module, and more particularly, to a battery module with conductive heat dissipation fins disposed therein.
Background
With the rapid development of various fields such as portable electronic products, electric vehicles, energy storage power stations, etc., the high demands for energy storage devices having high energy storage density and environmental protection have been extended in recent years, and ion secondary batteries have become the first choice, and various secondary batteries such as lithium ion secondary batteries, magnesium ion secondary batteries, sodium ion secondary batteries, etc. have been developed. In practice, it is most common to construct battery modules by connecting battery cells in parallel to achieve a sufficient capacity for application to various devices.
The conventional battery modules are connected to each other to form a battery module (for example, connected in series), and an additional conductive handle is required to be used for electrical connection, so that the connection mode not only complicates the process, but also reduces the volume utilization rate of the whole battery module. Another existing method is to use the direct surface-to-surface contact of the current collecting layers to form the required electrical connection between the battery modules, however, because the direct surface-to-surface contact of the current collecting layers is used to form the electrical connection, the generated heat energy is difficult to discharge, and the performance of the battery modules is seriously affected.
In addition, the heat dissipation method of the battery module is to add a cooling system or cooling plate to the battery module, so that the overall volume of the battery module is increased, it is difficult to uniformly cool the battery module, and the process of assembling the battery is also more complicated.
Based on the above-mentioned drawbacks of the prior art, the present utility model proposes a battery module with conductive heat sink to effectively solve the above-mentioned problems.
Disclosure of Invention
The utility model mainly aims to provide a battery module with conductive radiating fins, which is directly clamped between any two adjacent battery units by utilizing the conductive radiating fins to directly achieve the purposes of electric connection and heat dissipation, and the configuration of an external conductive handle or a tab and an additional cooling system in the prior art is omitted, so that the battery module has the effects of high volume utilization rate and high-efficiency heat dissipation.
Another objective of the present utility model is to provide a battery module with conductive heat sink, in which a micro-channel is embedded in a sheet-shaped electrical insulation body, so as to greatly improve the heat dissipation effect and the efficiency of the whole battery module.
The utility model provides a battery module with conductive radiating fins, which comprises a battery module, wherein the battery module is formed by stacking a plurality of battery units in a single axial direction, each battery unit comprises two sheet-shaped current collecting layers which are arranged in parallel, and the two sheet-shaped current collecting layers are heteropolarity power output ends of the battery units; and at least one conductive heat sink which is clamped between two adjacent battery units and is provided with a sheet-shaped electric insulation body and at least one conductive part which is arranged on the sheet-shaped electric insulation body and is electrically connected with the sheet-shaped current collecting layer of the adjacent battery unit to form a conductive path, wherein the sheet-shaped electric insulation body guides heat energy generated by the two adjacent battery units to form a heat dissipation path.
Preferably, the conductive portion of the conductive heat sink penetrates the sheet-shaped electrically insulating body and both ends directly contact the two sheet-shaped collector layers of the two adjacent battery cells.
Preferably, the number of the conductive parts is plural, and the conductive parts are disposed on the sheet-like electrically insulating body in plural groups.
Preferably, the upper and lower ends of the conductive portion protrude from the sheet-like electric insulator body.
Preferably, the surface area of the conductive portion is 75% -90% of the surface area of the sheet-like electrically insulating body.
Preferably, the conductive portion of the conductive heat sink is embedded in the sheet-shaped electrical insulating body, and the conductive portion has an upper surface and a lower surface exposed outside the sheet-shaped electrical insulating body, and the upper surface and the lower surface are in direct contact with the two sheet-shaped current collecting layers of the two adjacent battery cells facing each other.
Preferably, the conductive part has a micro-channel therein for fluid circulation and heat dissipation.
Preferably, the thickness of the conductive portion is greater than the thickness of the sheet-like electrically insulating body.
Preferably, the two adjacent battery units are electrically connected in series or in parallel through the conductive part.
Preferably, the surface area of the sheet-like electrically insulating body is substantially equal to the sheet-like collector layers of the battery cells.
Preferably, the sheet-like electrical insulation body has a micro flow channel therein for fluid circulation and heat dissipation.
Preferably, the battery unit comprises the two sheet-shaped current collecting layers; the frame glue is arranged between the two sheet-shaped current collecting layers, and the two sheet-shaped current collecting layers and the frame glue form an enclosed space; and an electrochemical system disposed in the enclosed space to isolate the electrochemical system from the external environment and prevent the electrolyte of the electrochemical system from flowing outwards; the frame glue and the two sheet-shaped current collecting layers are used as packaging structures of the battery unit.
The objects, technical contents, features and effects achieved by the present utility model will be more readily understood by the following detailed description of specific embodiments.
Drawings
Fig. 1 is a schematic view of a battery module with conductive heat sink according to the present utility model.
Fig. 2A is a schematic diagram of a battery cell of a battery module with a conductive heat sink.
Fig. 2B is a schematic view of another embodiment of a battery cell of the battery module with conductive heat sink.
Fig. 2C is an exploded view of a battery cell of the battery module with the conductive heat sink according to the present utility model.
Fig. 3 is a schematic side view of a battery module with conductive heat sinks of the present utility model.
Fig. 4A-4B are schematic views of another embodiment of a conductive portion of a battery module with a conductive heat sink according to the present utility model.
Fig. 5 is a schematic diagram of the conductive heat sink of fig. 4A with micro channels added thereto according to the present utility model.
Fig. 6 is a schematic diagram of a battery module with conductive heat sink according to the present utility model with micro channels.
Fig. 7A and 7B are schematic views of another embodiment of the battery module with conductive heat sink of the present utility model with micro flow channels.
Reference numerals
1. Battery module
10. Battery module
20. Battery cell
201. Electrochemical system
21. Isolation layer
22. 23 active material layer
24. 25 sheet-shaped current collecting layer
26. Frame glue
261. Modified silica gel layer
262. Modified silica gel layer
263. Silica gel layer
40. Conductive radiating fin
41. Sheet-like electric insulation body
42. Conductive part
43. Micro-channel
Detailed Description
In order that the advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that these embodiments are merely representative examples of the present utility model, and are not intended to limit the present utility model to the embodiments and the claims. These embodiments are provided so that this disclosure will be thorough and complete.
The terminology used in the various embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the disclosure. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present disclosure belong. The above terms (such as those defined in a general usage dictionary) will be interpreted as having the same meaning as the context meaning in the same technical field, and will not be interpreted as having an idealized or overly formal meaning unless expressly so defined in the various embodiments of the disclosure.
In the description of the present specification, reference to the term "one embodiment," "a particular embodiment," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments.
In the description of the present utility model, unless otherwise specified or defined, it should be noted that the terms "coupled," "connected," and "configured" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two components, may be directly connected, or may be connected through an intermediate medium, and it will be understood by those skilled in the art that the specific meaning of the terms may be interpreted according to the specific circumstances.
The utility model discloses a battery module with conductive radiating fins, which comprises a battery module and at least one conductive radiating fin, wherein the battery module is formed by stacking a plurality of battery units in a single axial direction, each battery unit comprises two flaky collector layers which are arranged in parallel, and the two flaky collector layers are heteropolarity power output ends of the battery units. The conductive radiating fin is clamped between two adjacent battery units and is provided with a sheet-shaped electric insulation body and at least one conductive part arranged on the sheet-shaped electric insulation body, the conductive part is electrically connected with the sheet-shaped current collecting layers of the two adjacent battery units to form a conductive path, and the sheet-shaped electric insulation body guides heat energy generated by the two adjacent battery units to form a radiating path. For example, referring to fig. 1, the battery module 1 has a battery module 10 and a conductive heat sink 40, the battery module 10 is formed by stacking a plurality of battery units 20 in a vertical (Z-axis) manner, and the electrical connection between the plurality of battery units 20 can be serial, parallel or a serial-parallel hybrid; the conductive heat sink 40 is sandwiched between two adjacent battery units 20, and at this time, the two adjacent battery units 20 can be electrically connected in series or in parallel; it should be noted that the number and connection of the battery cells 20, the number of the conductive heat sinks 40 and the arrangement positions thereof are only illustrative; each battery cell 20 is a complete and independent module, as described in more detail below.
Referring to fig. 1, 2A and 2C together, the battery module 10 is formed by using the complete and independent battery unit 20, the battery unit 20 includes two sheet-shaped current collecting layers 24 and 25, an electrochemical system 201 and a frame adhesive 26, the two sheet-shaped current collecting layers 24 and 25 are opposite polarity output ends of the battery unit 20, for example, when the sheet-shaped current collecting layer 24 is an anode output end, the sheet-shaped current collecting layer 25 is a cathode output end; when the sheet-like collector layer 24 is the negative electrode output terminal, the sheet-like collector layer 25 is the positive electrode output terminal. The electrochemical system 201 comprises a separation layer 21, two active material layers 22, 23, and an electrolyte system impregnated/kneaded in the active material layers 22, 23, wherein the separation layer 21 is made of a polymer material, a ceramic material or a glass fiber material, or a polymer material or a glass fiber material coated with ceramic powder, the separation layer 21 has micro holes for allowing ions to pass through, and the micro holes can be in the form of through holes or ant holes (non-straight through) or even be directly made of porous materials, wherein the ceramic powder is made of insulating materials without ion conductivity, and can be micro-scale, nano-scale or mixed with nano-scale titanium dioxide (TiO) 2 ) Aluminum oxide (Al) 2 O 3 ) Silicon dioxide (SiO) 2 ) These materials or alkylated ceramic particles. The ceramic material may also be selected from oxide solid state electrolytes, e.g. lithium lanthanum zirconium oxide (lithium lanthanum zirconium oxide; li) 7 La 3 Zr 2 O 12 The method comprises the steps of carrying out a first treatment on the surface of the LLZO) or Lithium Aluminum Titanium Phosphate (LATP), etc. The ceramic material may be a mixture of the insulating ceramic material and an oxide solid electrolyte. When the ceramic powder stack is used to form the separator, the separator may further include a polymer adhesive such as polyvinylidene fluoride (Polyvinylidene fluoride; PVDF), polyvinylidene fluoride-co-trichloroethylene (PVDF-HFP), polytetrafluoroethylene (PTFE), acrylic acid (Acrylic Acid Glue), epoxy resin (Epoxy), polyethylene oxide (PEO), polyacrylonitrile (PAN), or Polyimide (PI).
The electrolyte system is impregnated or kneaded in the active material layers 22, 23, which may be a liquid, colloidal, solid electrolyte, or a mixed electrolyte of any combination thereof; the active material layers 22, 23 and the isolating layer 21 form an electrochemical system 201, the isolating layer 21 is sandwiched between the active material layers 22, 23 to isolate the active material layers 22, 23, the active material layers 22, 23 can convert chemical energy into electric energy for use (power supply) or electric energy into chemical energy for storage in the system (charge) through the active material components thereof, and conduction and migration of ions can be achieved at the same time, and generated electrons can be directly led out from the sheet-shaped current collecting layers 24, 25. The material of the sheet-like collector layers 24, 25 is usually copper or aluminum, but may be other metals or metal alloys such as nickel, tin, silver, gold, etc. Meanwhile, the sheet-shaped current collecting layers 24 and 25 are matched with the frame glue 26 at the periphery to serve as packaging components of the battery unit 20; the frame adhesive 26 is a polymer material as long as it can be adhered to the surfaces of the sheet-shaped current collecting layers 24, 25 and is durable to the electrolyte system, and is not particularly limited, for example, the frame adhesive 26 may be made of epoxy, polyethylene, polypropylene, polyurethane, thermoplastic polyimide, silicone, acryl, silicone or uv-curable adhesive, which is disposed around the periphery of the two sheet-shaped current collecting layers 24, 25 and surrounds the electrochemical system 201 (the active material layers 22, 23 and the middle separator 21), and is used to adhere the two sheet-shaped current collecting layers 24, 25 and encapsulate the electrolyte system between the two sheet-shaped current collecting layers 24, 25 without leakage and without communication with the electrolyte systems of the other battery cells 20; therefore, the battery unit 20 is an independent and complete power supply module formed by directly adopting the sheet-shaped current collecting layers 24 and 25 and the frame glue 26 as the packaging structure.
In order to make the packaging effect of the frame glue 26 better, when the frame glue 26 is made of silica gel, the frame glue 26 can be designed to have a three-layer structure, referring to fig. 2B, the upper and lower layers are modified silica gel layers 261 and 262, and the middle is a silica gel layer 263, the modified silica gel layers 261 and 262 on both sides are modified by adjusting the composition ratio of the addition silica gel to the condensation silica gel, or adding additives, so that the frame glue is suitable for the material with adhesive heterogeneity (namely, the sheet-shaped current collecting layers 24 and 25 and the middle silica gel layer 263), thereby improving the adhesive force between interfaces by design, and simultaneously improving the integrity of the whole appearance and the production yield.
Returning to fig. 1, the conductive heat sink 40 has a sheet-shaped electrically insulating body 41 and at least one conductive portion 42 disposed on the sheet-shaped electrically insulating body 41, the conductive heat sink 40 is sandwiched between the sheet-shaped current collecting layers 24, 25 facing each other of the upper and lower adjacent battery cells 20, and the surface area of the sheet-shaped electrically insulating body 41 is substantially equal to the sheet-shaped current collecting layers 24, 25 of the battery cells 20; in the present embodiment, the conductive portion 42 is in the form of a plurality of conductive posts penetrating through the sheet-shaped electrically insulating body 41, and the upper and lower ends of the conductive posts are respectively in direct contact with the sheet-shaped current collecting layers 24, 25 of the two adjacent battery cells 20. The upper and lower ends of the conductive portions 42 (conductive posts) protrude outside the sheet-like electrical insulating body, and the number of the conductive portions 42 (conductive posts) is plural, and the conductive portions 42 (conductive posts) may be disposed in plural groups on the sheet-like electrical insulating body.
The sheet-shaped electrically insulating body 41 of the electrically conductive heat sink 40 is mainly used as a carrier, and is provided with a heat dissipation function in addition to the fixing (positioning) of the electrically conductive portion 42, and thus may be a ceramic or silica gel heat conductive sheet; the conductive portion 42 of the conductive heat sink 40 is electrically connected to the upper and lower battery cells 20, and may be connected in series or parallel. Therefore, referring to fig. 1 and 3, the conductive portion 42 is in direct contact with the sheet-shaped collector layers 24, 25 of the adjacent battery cells 20 on the upper and lower sides (i.e., the side facing the conductive heat sink 40) to form an electrical connection, and in another embodiment (not shown), the conductive portion 42 is in direct contact with the sheet-shaped collector layers with the same polarity of the adjacent battery cells 20 on the upper and lower sides to form an electrical connection, and the connection is parallel. The conductive portion 42 may be made of various conductive materials such as copper, gold, silver, and aluminum; in order to achieve a sufficient conduction area, the upper and lower surfaces of the conductive portion 42 of the conductive heat sink 40, i.e., the surface area for contact with the sheet-like collector layers 24, 25, is 75% -90% of the surface area of the sheet-like electrically insulating body 41. Furthermore, in order to ensure electrical connection between the upper and lower adjacent battery cells 20 and maintain a certain heat dissipation and support effect, the thickness of the conductive portion 42 (conductive post) is greater than that of the sheet-shaped electrically insulating body 41, the thickness of the conductive portion 42 (conductive post) is preferably 0.8-1.2 mm, and the thickness of the sheet-shaped electrically insulating body 41 is preferably 0.6-1.0 mm.
Furthermore, the conductive column of the conductive portion 42 may be designed into a cylinder or other various shapes besides the square column as shown in fig. 1, and the density, position, etc. of the array configuration may be adjusted as required.
In addition, besides the conductive portion 42 having the conductive pillar shape, the conductive portion 42 may be designed as a conductive layer, as shown in fig. 4A and 4B, in which the conductive portion 42 having the conductive layer shape penetrates through the sheet-like electrical insulation body 41, in other words, the sheet-like electrical insulation body 41 is wound around the periphery of the conductive portion 42, and the conductive layer (conductive portion 42) has an upper surface and a lower surface and protrudes out of the sheet-like electrical insulation body 41, so that the upper surface and the lower surface can directly contact the two sheet-like collector layers 24 and 25 facing each other of the upper and the lower adjacent battery cells 20, and thus the upper and the lower adjacent battery cells 20 are electrically connected through the conductive layer (conductive portion 42). The thickness of the conductive portion 42 (conductive layer) is greater than that of the sheet-shaped electric insulating body 41, the thickness of the conductive portion 42 (conductive layer) is preferably 0.8-1.2 mm, and the thickness of the sheet-shaped electric insulating body 41 is preferably 0.6-1.0 mm, so that the conductive portion 42 (conductive layer) can be ensured to be in contact with the two sheet-shaped collector layers 24, 25 facing each other of the upper and lower adjacent battery cells 20, thereby forming electric connection and maintaining a certain heat dissipation and support effect.
Referring to fig. 5, in order to further increase the heat dissipation effect of the conductive heat sink 40, a micro-channel 43 may be provided in the conductive portion 42 (conductive layer) for fluid (such as air or cooling liquid) to flow and dissipate heat, and since the conductive portion 42 (conductive layer) is embedded in the sheet-shaped electrical insulation body 41, the sheet-shaped electrical insulation body 41 needs to have an inlet and an outlet corresponding to the micro-channel 43 of the conductive portion 42 (conductive layer) for fluid to flow in and out.
Referring to fig. 6, in the same manner as in fig. 1 and 3, a micro flow channel 43 may be provided in the sheet-shaped electrical insulation body 41 for fluid circulation and heat dissipation, the micro flow channel 43 may be opened on one side only, and the upper side is hollowed out, so that the fluid may directly contact the sheet-shaped current collecting layers 24 and 25, which is convenient for processing and also improves the heat dissipation effect, and the fluid may be air at this time. On the other hand, if considering the uniformity of the heat dissipation effect of two adjacent battery cells 20, the micro flow channels 43 may be formed on both sides, referring to fig. 7A, so that the sheet-shaped current collecting layers 24 and 25 contacted on both sides can achieve the best heat dissipation effect, or as shown in fig. 7B, the micro flow channels 43 are designed to be embedded, and the fluid may be air or cooling liquid. The conductive portions 42 and the micro-channels 43 shown in the drawings are only schematic, for example, the micro-channels 43 are shown by matching the conductive portions 42 forming a rectangular conductive column, that is, any other conductive portion 42 can be matched with the appropriate micro-channels 43, and the flow direction, the position, the width, etc. of the micro-channels 43 can be set according to the actual requirement, which is only schematic.
In summary, the present utility model provides a battery module with conductive heat dissipation fins, which is directly clamped between any two adjacent battery units in the battery module, so as to be used as electrical connection, and the sheet-shaped electrical insulation body of the conductive heat dissipation fins can provide a large-area heat dissipation path, so that heat generated by the battery module can be effectively led out, and the optimal performance of the battery module is maintained; in addition, because the conductive radiating fin simultaneously provides electrical connection and heat dissipation, the mechanism of external connection such as a conductive handle or a tab in the prior art can be omitted, and the volume utilization rate is provided; furthermore, the sheet-shaped electric insulation body can be further provided with a micro-channel, so that the overall heat dissipation effect can be further increased, and the effects of high volume utilization rate and high-efficiency heat dissipation are achieved.
Claims (12)
1. A battery module with conductive heat sink, the battery module with conductive heat sink comprising:
the battery module is formed by stacking a plurality of battery units in a single axial direction, each battery unit comprises two sheet-shaped current collecting layers which are arranged in parallel, and the two sheet-shaped current collecting layers are heteropolarity power output ends of the battery units; and
the conductive radiating fin is provided with a sheet-shaped electric insulation body and at least one conductive part arranged on the sheet-shaped electric insulation body, and is electrically connected with the sheet-shaped current collecting layer of the adjacent battery units to form a conductive path, and the sheet-shaped electric insulation body guides heat energy generated by the two adjacent battery units to form a radiating path.
2. The battery module with conductive heat sink of claim 1, wherein ， The conductive part of the conductive radiating fin penetrates through the sheet-shaped electric insulation body, and two ends of the conductive part directly contact the two sheet-shaped current collecting layers of the two adjacent battery units.
3. The battery module with conductive heat sink of claim 2, wherein ， The conductive parts are arranged in a plurality of groups on the sheet-shaped electric insulating body.
4. The battery module with conductive heat sink of claim 2, wherein ， The upper and lower ends of the conductive part protrude outside the sheet-shaped electric insulating body.
5. The battery module with conductive heat sink of claim 1, wherein ， The surface area of the conductive part is 75% -90% of the surface area of the sheet-shaped electric insulation body.
6. The battery module with conductive heat sink of claim 1, wherein ， The conductive part of the conductive radiating fin is embedded in the sheet-shaped electric insulation body and is provided with an upper surface and a lower surface exposed outside the sheet-shaped electric insulation body, and the upper surface and the lower surface are in direct contact with the two sheet-shaped current collecting layers of the two adjacent battery units, which face each other.
7. The battery module with conductive heat sink of claim 6, wherein ， The conductive part is provided with a micro-channel for fluid circulation and heat dissipation.
8. The battery module with conductive heat sink of claim 6, wherein ， The thickness of the conductive portion is greater than the thickness of the sheet-like electrically insulating body.
9. The battery module with conductive heat sink of claim 1, wherein ， The two adjacent battery units are electrically connected through the conductive part to form series connection or parallel connection.
10. The battery module with conductive heat sink of claim 1, wherein ， The surface area of the sheet-like electrically insulating body is substantially equal to the sheet-like collector layers of the battery cells.
11. The battery module with conductive heat sink of claim 1, wherein ， The sheet-shaped electric insulation body is internally provided with a micro-channel for fluid circulation and heat dissipation.
12. The battery module with conductive heat sink of claim 1, wherein ， The battery unit comprises:
the two sheet-shaped current collecting layers;
the frame glue is arranged between the two sheet-shaped current collecting layers, and the two sheet-shaped current collecting layers and the frame glue form an enclosed space; and
an electrochemical system disposed in the enclosed space to be isolated from the external environment and to prevent the electrolyte of the electrochemical system from flowing outwards;
the frame glue and the two sheet-shaped current collecting layers are used as packaging structures of the battery unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146952.9U CN219419169U (en) | 2023-02-08 | 2023-02-08 | Battery module with conductive heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146952.9U CN219419169U (en) | 2023-02-08 | 2023-02-08 | Battery module with conductive heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219419169U true CN219419169U (en) | 2023-07-25 |
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ID=87231281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320146952.9U Active CN219419169U (en) | 2023-02-08 | 2023-02-08 | Battery module with conductive heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219419169U (en) |
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2023
- 2023-02-08 CN CN202320146952.9U patent/CN219419169U/en active Active
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