CN214477762U - Liquid cooling integrated box - Google Patents
Liquid cooling integrated box Download PDFInfo
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- CN214477762U CN214477762U CN202120836817.8U CN202120836817U CN214477762U CN 214477762 U CN214477762 U CN 214477762U CN 202120836817 U CN202120836817 U CN 202120836817U CN 214477762 U CN214477762 U CN 214477762U
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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
Abstract
The utility model relates to the technical field of batteries, a integrated box of liquid cooling is disclosed, including curb girder, module installation roof beam and liquid cooling board. Wherein, the curb girder includes two first curb girders and two second curb girders that can enclose into annular structure, two first curb girders set up along the first direction relatively, two second curb girders set up along the second direction relatively, first direction perpendicular to second direction, module installation roof beam is equipped with two, two module installation roof beams set up along the first direction relatively and respectively fixed connection in two first curb girders, the liquid cooling plate presss from both sides and locates between second curb girder and the module installation roof beam, enclose and establish the chamber that holds that can hold the battery, and through friction stir welding and second curb girder and module installation roof beam fixed connection, the battery can fixed connection in second curb girder and module installation roof beam, the liquid cooling plate is configured to cooling to the battery. Therefore, the danger of leakage of cooling liquid caused by welding the module mounting beam on the flow channel surface of the liquid cooling plate can be avoided, the performance of a product is improved, and the maintenance cost is reduced.
Description
Technical Field
The utility model relates to a battery technology field especially relates to an integrated box of liquid cooling.
Background
With the wide use of new energy vehicles, the safety of a battery system in the new energy vehicle is more and more emphasized by people. Because the battery can produce the heat at the charge-discharge in-process, in order to guarantee battery system's normal work, can set up the liquid cooling system on the battery box usually and cool down the battery box.
At present, in order to pursue a larger heat exchange area with the battery, the liquid cooling pipeline and the bottom of the battery box body are generally selected to be integrated, but due to the arrangement mode, the liquid cooling pipeline is directly arranged in the battery box body, if the liquid cooling pipeline leaks, the cooling liquid directly soaks the battery, the battery management system and other components in the battery box, and the use safety of the battery is seriously threatened. Therefore, when the liquid cooling pipeline and the battery box are integrated, the problem of leakage of cooling liquid caused by welding defect superposition under severe working conditions is absolutely avoided, higher requirements are provided for the processing technology of the battery, and the later maintenance cost is increased.
Therefore, a liquid cooling integrated box body is needed urgently, the potential safety hazard is avoided while the high heat exchange efficiency of a liquid cooling system is realized, the product performance is improved, and the maintenance cost is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated box of liquid cooling when realizing the higher heat exchange efficiency of liquid cooling system, avoids the potential safety hazard, improves and produces property ability, reduces the maintenance cost.
As the conception, the utility model adopts the technical proposal that:
a liquid cooled integrated tank comprising:
the side beams comprise two first side beams and two second side beams which can enclose an annular structure, the two first side beams are oppositely arranged along a first direction, the two second side beams are oppositely arranged along a second direction, and the first direction is perpendicular to the second direction;
the two module mounting beams are oppositely arranged along the first direction and are respectively and fixedly connected to the two first side beams;
and the liquid cooling plate is clamped between the second side beam and the module mounting beam, encloses a containing cavity capable of containing a battery and is fixedly connected with the second side beam and the module mounting beam through friction stir welding, the battery can be fixedly connected with the second side beam and the module mounting beam, and the liquid cooling plate is configured to cool the battery.
Furthermore, a cooling liquid inlet pipeline and a cooling liquid outlet pipeline are arranged on one side of the liquid cooling plate, a liquid cooling runner is arranged in the liquid cooling plate, the cooling liquid inlet pipeline is communicated with an inlet of the liquid cooling runner, and the cooling liquid outlet pipeline is communicated with an outlet of the liquid cooling runner.
Further, the liquid cooling runner is an M-shaped runner, the M-shaped runner comprises a first journey-going runner, a first return runner, a second journey-going runner and a second return runner which are arranged in parallel, the first journey-going runner is communicated with the cooling liquid inlet pipeline, the second return runner is communicated with the cooling liquid outlet pipeline, the first return runner comprises one or more runners, and the second journey-going runner comprises one or more runners.
Further, along the second direction, the width of the first outward flow channel is smaller than the width of any one of the first return flow channels; and/or
Along the second direction, the width of the second return runner is smaller than the width of any one runner in the second go-round runners.
Furthermore, the M-shaped flow channels are formed by arranging a plurality of partition ribs in the liquid cooling plate, and when the plurality of first return flow channels are arranged, the partition ribs among the plurality of first return flow channels are aligned at one end close to the cooling liquid inlet pipeline and are gradually extended at one end far away from the cooling liquid inlet pipeline along the second direction; and/or
The M type runner does set up in the liquid cooling board and separate the muscle and form, works as the second goes the journey runner to be equipped with a plurality ofly, follows the second direction, it is a plurality of the second goes between the journey runner the separation muscle is keeping away from the one end of coolant liquid outlet pipe is aliging, is close to the one end of coolant liquid outlet pipe prolongs gradually.
Furthermore, one side of the liquid cooling plate, which is away from the containing cavity, is coated with a heat-insulating material.
Further, the liquid cooling plate comprises a first liquid cooling plate and a second liquid cooling plate which are oppositely arranged along the second direction, and the first liquid cooling plate and the second liquid cooling plate are fixed through friction stir welding.
Further, the module mounting beam is welded and fixed to the first side beam.
Further, the side beams, the module mounting beams and the liquid cooling plates are all extruded sections.
Further, the second side member is an L-shaped structure, and the battery can be fixedly connected to a protruding end of the L-shaped structure.
The utility model has the advantages that:
the utility model provides an integrated box of liquid cooling, including curb girder, module installation roof beam and liquid cooling board. Wherein, the curb girder includes two first curb girders and two second curb girders that can enclose into annular structure, two first curb girders set up along the first direction relatively, two second curb girders set up along the second direction relatively, first direction perpendicular to second direction, module installation roof beam is equipped with two, two module installation roof beams set up along the first direction relatively and respectively fixed connection in two first curb girders, the liquid cooling plate presss from both sides and locates between second curb girder and the module installation roof beam, enclose and establish the chamber that holds that can hold the battery, and through friction stir welding and second curb girder and module installation roof beam fixed connection, the battery can fixed connection in second curb girder and module installation roof beam, the liquid cooling plate is configured to cooling to the battery. Under this setting, module installation roof beam is located the both sides of liquid cooling board on the first direction, this structural design has avoided in the conventional scheme, the problem at the runner face welding module installation roof beam of liquid cooling board, in addition, module installation roof beam and liquid cooling board adopt friction stir welding's mode fixed connection, also can effectively avoid the welding to lead to the liquid cooling board to pierce through and the coolant liquid that brings leaks danger, when guaranteeing to realize the higher heat exchange efficiency of liquid cooling system, avoid the potential safety hazard, improve product property ability, reduce the maintenance cost.
Drawings
Fig. 1 is a schematic structural diagram of a liquid cooling integrated box provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a liquid cooling flow channel according to an embodiment of the present invention;
fig. 3 is an exploded view of the liquid cooling integrated box provided by the embodiment of the present invention.
In the figure:
1. a first side member;
2. a second side member;
3. a liquid-cooled plate; 31. a coolant inlet line; 32. a coolant outlet line; 33. a liquid cooling flow passage; 331. a first outbound flow path; 332. a first return flow path; 333. a second outbound flow path; 334. a second return runner; 34. separating ribs; 35. a first liquid cold plate; 36. a second liquid cooling plate;
4. the module mounts the roof beam.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present embodiment provides a liquid-cooled integrated tank including side beams, module mounting beams 4, and liquid-cooled panels 3. Wherein, the curb girder is including two first curb girders 1 and two second curb girders 2 that can enclose into annular structure, two first curb girders 1 set up along the first direction relatively, two second curb girders 2 set up along the second direction relatively, first direction perpendicular to second direction, module installation roof beam 4 is equipped with two, two module installation roof beams 4 set up relatively along the first direction and respectively fixed connection in two first curb girders 1, liquid cooling plate 3 presss from both sides and locates between second curb girder 2 and the module installation roof beam 4, enclose and form the holding chamber that can hold the battery, and pass through friction stir welding and second curb girder 2 and module installation roof beam 4 fixed connection, the battery can fixed connection in second curb girder 2 and module installation roof beam 4, liquid cooling plate 3 is configured to cool off the battery, first direction is the ab direction in the picture, the second direction is the cd direction in the picture. In this embodiment, module installation roof beam 4 is located the both sides of liquid cooling plate 3 in the first direction, and this structural design has avoided in conventional scheme, the problem of at the runner face welding module installation roof beam 4 of liquid cooling plate 3. In addition, the module installation beam 4 and the liquid cooling plate 3 are fixedly connected in a friction stir welding mode, and under the arrangement, the danger of leakage of cooling liquid caused by penetration of the liquid cooling plate 3 due to welding can be effectively avoided, so that the higher heat exchange efficiency of a liquid cooling system is guaranteed, the potential safety hazard is avoided, the product performance is improved, and the maintenance cost is reduced.
Alternatively, the second side beam 2 is an L-shaped structure, and the battery can be fixedly connected to the protruding end of the L-shaped structure. That is, in this embodiment, the battery is fixedly attached to the protruding end of the L-shaped structure and the module mounting beam 4. Specifically, the battery and both are connected by bolts. As shown in fig. 1, battery mounting holes are formed in the protruding end of the L-shaped structure and the module mounting beam 4, and during assembly, the battery and the module mounting beam can be fixed by using the adaptive bolts. In addition, the first side beam 1 and the second side beam 2 are also provided with first fixing holes for fixing the upper cover of the integrated box body. And a second fixing hole for fixing the integrated box body on external equipment is also formed in the outer side of the second side beam 2.
Furthermore, in order to realize the cooling function of the liquid cooling plate 3 for the battery, a cooling liquid inlet pipeline 31 and a cooling liquid outlet pipeline 32 are arranged on one side of the liquid cooling plate 3, a liquid cooling runner 33 is arranged in the liquid cooling plate 3, the cooling liquid inlet pipeline 31 is communicated with the inlet of the liquid cooling runner 33, and the cooling liquid outlet pipeline 32 is communicated with the outlet of the liquid cooling runner 33. It can be understood that the cooling liquid flows in the liquid cooling flow passage 33 in the liquid cooling plate 3, and the heat generated by the battery is taken away through the continuous heat exchange with the liquid cooling plate 3, so that the temperature of the battery is reduced, and the normal use of the battery is ensured.
In order to realize the uniformity of heat exchange for the battery, in this embodiment, the liquid cooling flow channel 33 is an M-shaped flow channel, the M-shaped flow channel includes a first going flow channel 331, a first return flow channel 332, a second going flow channel 333, and a second return flow channel 334 that are arranged in parallel, the first going flow channel 331 is communicated with the cooling liquid inlet pipeline 31, the second return flow channel 334 is communicated with the cooling liquid outlet pipeline 32, the first return flow channel 332 includes one or more flow channels, and the second going flow channel 333 includes one or more flow channels. Referring to fig. 2, in the present embodiment, the upper left is an inlet of the liquid cooling channel 33, from top to bottom, the first flow channel is the first go flow channel 331, and the first return flow channel 332 includes four flow channels, that is, the second flow channel to the fifth flow channel are the first return flow channel 332. With this arrangement, the flow rate of the cooling liquid entering the first return flow channel 332 is reduced due to the increase of the flow channels, so that the sufficient heat exchange of the liquid cooling plate 3 is realized. Similarly, the second outbound path 333 includes four paths, while the second inbound path 334 includes only one path to ensure the velocity of the coolant as it flows through the outlet of the cold fluid path 33. Note that the inlet and outlet of the liquid-cooling flow passage 33 may be interchanged. In other words, in another embodiment, as shown in fig. 2, the inlet of the liquid cooling channel 33 may be formed at the lower left, but it is only necessary to ensure that the first forward channel 331 is connected to the cooling liquid inlet pipeline 31, and the second backward channel 334 is connected to the cooling liquid outlet pipeline 32. In addition, the number of the flow channels specifically included in the first return flow channel 332 and the second return flow channel 333 may also be reasonably adjusted according to experimental calculation or simulation results, so as to ensure the optimal heat exchange effect.
Further, in order to ensure the heat exchange uniformity of the liquid cooling system, in the present embodiment, the width of the first going flow channel 331 is smaller than the width of any one of the first returning flow channels 332 in the second direction, and/or the width of the second returning flow channel 334 is smaller than the width of any one of the second going flow channels 333 in the second direction. Through the change to runner width, further carry out the homogeneous action to the coolant liquid in the liquid cooling runner 33, and then reduce the integrated box difference in temperature.
In addition, in this embodiment, in addition to the setting of the different channel widths, the lengths of the channels in the first direction are also set differently. Specifically, as shown in fig. 2, the M-shaped flow channels are formed by disposing a plurality of partition ribs 34 in the liquid cooling plate 3, and when the first return flow channels 332 are disposed, along the second direction, the partition ribs 34 between the plurality of first return flow channels 332 are aligned at the end close to the cooling liquid inlet pipeline 31 and are gradually extended at the end far from the cooling liquid inlet pipeline 31, and/or the M-shaped flow channels are formed by disposing a plurality of partition ribs 34 in the liquid cooling plate 3, and when the second go flow channels 333 are disposed, along the second direction, the partition ribs 34 between the plurality of second go flow channels 333 are aligned at the end far from the cooling liquid outlet pipeline 32 and are gradually extended at the end close to the cooling liquid outlet pipeline 32. It is understood that when the first return flow passage 332 includes a plurality of flow passages, the flow rate of the cooling liquid is indirectly changed by changing the width of the flow passage through which the cooling liquid flows, thereby ensuring that the flow rate of the liquid in each flow passage of the first return flow passage 332 is uniform. Specifically, at the end away from the coolant inlet pipe 31 in the first direction, the length of the partition rib 34 away from the first outbound flow path 331 is greater than the length of the partition rib 34 near the first outbound flow path 331. Similarly, when the second off-path flow passage 333 includes a plurality of flow passages, the length of the partition rib 34 farther from the first return flow passage 332 is greater than the length of the partition rib 34 closer to the first return flow passage 332 at the end closer to the coolant outlet pipe 32 in the first direction. Note that, in another embodiment, if the positions of the inlet and the outlet of the liquid-cooling flow passage 33 are switched, the above principle can be referred to for the length of the partition rib 34 inside thereof, but the configuration diagram of the gradient change of the length of the partition rib 34 to be finally obtained is different from that of fig. 2. That is, if the lower left is the inlet of the liquid cooling flow passage 33, the partition rib 34 in the first return flow passage 332 is aligned at the left end and gradually extended at the right end, and the partition rib 34 in the second forward flow passage 333 is aligned at the right end and gradually extended at the left end in the second direction from the bottom to the top.
Optionally, in this embodiment, the liquid cooling plate 3 is coated with insulation material on the side that deviates from the holding cavity, and insulation material can effectively reduce the influence that integrated box receives external environment. Under the high temperature environment, the cooling liquid can be prevented from being heated by the external environment, so that the cooling efficiency of the liquid cooling system is reduced. And under low temperature environment, also can play the heat preservation effect to integrated box, avoid influencing the performance of battery because of external temperature is low excessively. Preferably, the heat-insulating material is an expansion type heat-insulating coating such as foamed polyurethane, foamed organic silicon and the like.
Alternatively, in this embodiment, as shown in fig. 3, the liquid cooling plate 3 includes a first liquid cooling plate 35 and a second liquid cooling plate 36 that are oppositely disposed along the second direction, and the first liquid cooling plate 35 and the second liquid cooling plate 36 are fixed by friction stir welding. Specifically, according to the big or small demand of the integrated box of difference, if the machining dimension of liquid cooling plate 3 receives processing equipment or processing technology restriction, then can select the liquid cooling plate 3 of suitable size to adopt the friction stir welding concatenation to form, under this setting, there is not melting of metal in welded joint position, and the structural deformation is less after the welding, can not influence the distribution of its liquid cooling plate 3 inside liquid cooling runner 33 completely.
And the module mounting beam 4 is welded and fixed to the first side member 1. Specifically, the welding mode can directly use the conventional welding mode. Since neither of them involves welding to the liquid cooling plate 3 having the liquid cooling flow passage 33, the welding method is not limited to an excessive number, and can be selected according to actual processing conditions, and is not limited to friction stir welding.
Optionally, in this embodiment, the side beams, the module mounting beam 4 and the liquid cooling plate 3 are all extruded sections. Has higher structural strength, simple forming and low cost. Preferably, the side beams, the module mounting beam 4 and the liquid cooling plate 3 are 6 series aluminum alloy sections.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A liquid cooling integrated box, its characterized in that includes:
the side beam comprises two first side beams (1) and two second side beams (2) which can enclose an annular structure, wherein the two first side beams (1) are oppositely arranged along a first direction, the two second side beams (2) are oppositely arranged along a second direction, and the first direction is perpendicular to the second direction;
the two module mounting beams (4) are arranged oppositely along the first direction and are respectively and fixedly connected to the two first side beams (1);
the liquid cooling plate (3) is clamped between the second side beam (2) and the module mounting beam (4), a containing cavity capable of containing a battery is formed in an enclosing mode, the liquid cooling plate is fixedly connected with the second side beam (2) and the module mounting beam (4) through friction stir welding, the battery can be fixedly connected with the second side beam (2) and the module mounting beam (4), and the liquid cooling plate (3) is configured to cool the battery.
2. The integrated liquid-cooled box of claim 1, wherein a cooling liquid inlet pipeline (31) and a cooling liquid outlet pipeline (32) are arranged on one side of the liquid-cooled plate (3), a liquid-cooled runner (33) is arranged in the liquid-cooled plate (3), the cooling liquid inlet pipeline (31) is communicated with an inlet of the liquid-cooled runner (33), and the cooling liquid outlet pipeline (32) is communicated with an outlet of the liquid-cooled runner (33).
3. The integrated liquid-cooled tank of claim 2, wherein the liquid-cooled flow passages (33) are M-shaped flow passages, the M-shaped flow passages comprise a first go-pass flow passage (331), a first return flow passage (332), a second go-pass flow passage (333), and a second return flow passage (334) which are arranged in parallel, the first go-pass flow passage (331) is connected to the cooling liquid inlet pipeline (31), the second return flow passage (334) is connected to the cooling liquid outlet pipeline (32), the first return flow passage (332) comprises one or more flow passages, and the second go-pass flow passage (333) comprises one or more flow passages.
4. The liquid cooled integrated tank of claim 3, wherein in said second direction, said first outbound flow path (331) has a width less than a width of any of said first return flow paths (332); and/or
The width of the second return flow path (334) is smaller than the width of any one of the second return flow paths (333) in the second direction.
5. The integrated liquid-cooled tank of any one of claims 3 or 4, wherein the M-shaped flow channels are formed by a plurality of partition ribs (34) disposed in the liquid-cooled plate (3), and when the first return flow channels (332) are provided in plurality, the partition ribs (34) between the plurality of first return flow channels (332) are aligned at an end close to the cooling liquid inlet pipe (31) and are gradually extended at an end far from the cooling liquid inlet pipe (31) along the second direction; and/or
The M-shaped flow channel is formed by arranging separation ribs (34) in the liquid cooling plate (3), when the second journey-going flow channel (333) is provided with a plurality of separation ribs (34), the separation ribs (34) between the second journey-going flow channel (333) are aligned at one end far away from the cooling liquid outlet pipeline (32) and are gradually extended at one end close to the cooling liquid outlet pipeline (32).
6. The liquid-cooled integrated tank of claim 1, characterized in that the side of the liquid-cooled plate (3) facing away from the receiving chamber is coated with a thermal insulation material.
7. The liquid-cooled integrated tank of claim 1, wherein the liquid-cooled plates (3) comprise a first liquid-cooled plate (35) and a second liquid-cooled plate (36) which are oppositely arranged along the second direction, and the first liquid-cooled plate (35) and the second liquid-cooled plate (36) are fixed by friction stir welding.
8. The liquid cooled integrated tank of claim 1, wherein said module mounting beam (4) is welded to said first side beam (1).
9. The liquid cooled integrated tank of claim 1, wherein said side beams, said module mounting beams (4) and said liquid cooled panels (3) are extruded profiles.
10. The liquid-cooled integrated tank of claim 1, wherein the second side beam (2) is of an L-shaped configuration, and the battery is fixedly attached to a protruding end of the L-shaped configuration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836817.8U CN214477762U (en) | 2021-04-22 | 2021-04-22 | Liquid cooling integrated box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836817.8U CN214477762U (en) | 2021-04-22 | 2021-04-22 | Liquid cooling integrated box |
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| CN214477762U true CN214477762U (en) | 2021-10-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023134548A1 (en) * | 2022-01-13 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery box body, battery, electric device, and battery preparation method and device |
| CN117059950A (en) * | 2023-08-14 | 2023-11-14 | 浙江米皇新材股份有限公司 | New energy self-adaptive energy storage liquid cooling plate and production process thereof |
| CN117175065A (en) * | 2023-09-21 | 2023-12-05 | 江苏奥特帕斯新能源科技有限公司 | Battery cooling plate and cooling method thereof |
-
2021
- 2021-04-22 CN CN202120836817.8U patent/CN214477762U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023134548A1 (en) * | 2022-01-13 | 2023-07-20 | 宁德时代新能源科技股份有限公司 | Battery box body, battery, electric device, and battery preparation method and device |
| CN117059950A (en) * | 2023-08-14 | 2023-11-14 | 浙江米皇新材股份有限公司 | New energy self-adaptive energy storage liquid cooling plate and production process thereof |
| CN117175065A (en) * | 2023-09-21 | 2023-12-05 | 江苏奥特帕斯新能源科技有限公司 | Battery cooling plate and cooling method thereof |
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