CN216720211U - Separator, battery module and battery pack - Google Patents
Separator, battery module and battery pack Download PDFInfo
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- CN216720211U CN216720211U CN202122763118.8U CN202122763118U CN216720211U CN 216720211 U CN216720211 U CN 216720211U CN 202122763118 U CN202122763118 U CN 202122763118U CN 216720211 U CN216720211 U CN 216720211U
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Abstract
The utility model discloses a partition plate, a battery module and a battery pack. The vertical plates are provided with at least three blocks, each vertical plate is arranged in parallel, and each vertical plate is provided with a first vent hole; all be equipped with the intermediate lamella between two adjacent risers, the both ends of each intermediate lamella respectively with two adjacent riser fixed connection, two relative sides of each intermediate lamella are used for supporting with two adjacent electric cores respectively and hold, each intermediate lamella is equipped with the second venthole, the second venthole runs through two relative sides of intermediate lamella, the second venthole of each intermediate lamella all communicates with the first venthole of two adjacent risers. The partition plate can increase the heat dissipation area of the double-row battery cores and improve the heat dissipation effect.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a partition plate, a battery module and a battery pack.
Background
In the process of rapid development of new energy automobiles, users put forward higher requirements on the endurance of the vehicles. In order to arrange more electric cores in limited space, the higher electric quantity of storage, guarantee electric core heat dissipation demand and low cost simultaneously, the big module scheme of double electric core should be transported and produced.
In the correlation technique, the big module scheme of double electric core is simply spliced mainly on original single row electric core module basis to realize double electric core design. However, the large module of double-row electric core after simple concatenation is difficult to satisfy the demand because heat radiating area reduces, the radiating effect.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the partition board which can increase the heat dissipation area of the double rows of the battery cores and improve the heat dissipation effect.
The utility model also provides a battery module with the separator.
The utility model also provides a battery pack with the battery module.
A separator according to an embodiment of the first aspect of the utility model comprises:
the vertical plates are provided with at least three blocks, the vertical plates are arranged in parallel and at intervals, and each vertical plate is provided with a first vent hole;
the middle plate is arranged between two adjacent vertical plates, two ends of each middle plate are fixedly connected with the two adjacent vertical plates respectively, two opposite side faces of each middle plate are used for abutting against the two adjacent battery cells respectively, each middle plate is provided with a second ventilation hole, the second ventilation holes penetrate through the two opposite side faces of the middle plate, and the second ventilation holes of each middle plate are communicated with the first ventilation holes of the two adjacent vertical plates.
The partition board provided by the embodiment of the utility model has at least the following beneficial effects: the vertical plates are provided with at least three blocks, a middle plate is arranged between every two adjacent vertical plates, two opposite side surfaces of each middle plate are respectively used for abutting against two adjacent electric cores, namely, two sides of the partition plate can be respectively provided with at least two electric cores; the second vent hole of each middle plate is communicated with the first vent holes of the two adjacent vertical plates, namely the second vent hole of the middle plate can be communicated with the external environment through the first vent hole so as to introduce air of the external environment; two opposite side surfaces of each middle plate are respectively used for abutting against two adjacent battery cells, and the second ventilation holes penetrate through the two opposite side surfaces of the middle plate, namely at least part of the surfaces of the two battery cells abutting against the middle plate are exposed in the second ventilation holes; from this, after external air loops through first ventilation hole and second ventilation hole, can dispel the heat to the electric core of the both sides of baffle, and the second ventilation hole is opened to the intermediate lamella, can directly increase the heat radiating area of double-row electric core, and then promote the radiating effect.
According to some embodiments of the utility model, the battery cell further comprises a bottom plate, the bottom plate is fixedly connected with one end of each vertical plate, the bottom plate is provided with a working surface, the working surface is used for supporting the battery cell, and the projection of the middle plate on the working surface is located in the middle area of the working surface.
According to some embodiments of the utility model, at least one of the two side surfaces of each intermediate plate for abutting against the battery cell is provided with a groove.
A battery module according to an embodiment of a second aspect of the present invention includes:
the two side plates are arranged in parallel and at intervals, and each side plate is provided with at least one third ventilation hole;
the two end plates are arranged, two ends of one end plate are fixedly connected with one ends of the two side plates respectively, and two ends of the other end plate are fixedly connected with the other ends of the two side plates respectively;
the baffle plate is provided with at least one block, the two ends of each baffle plate are respectively connected with two side plates, each end plate is adjacent to one block between the baffle plates, two adjacent to be formed with two at least storage tanks between the baffle plates, to each two of the outermost side of the baffle plates the vertical plates: the first vent hole of one vertical plate is communicated with at least one third vent hole of one side plate, and the first vent hole of the other vertical plate is communicated with at least one third vent hole of the other side plate;
The electric core is equipped with at least four, each the electric core is inserted one by one and is established each in the storage tank.
The battery module provided by the embodiment of the utility model at least has the following beneficial effects: through using foretell baffle, can cooperate the third ventilation hole of curb plate, dispel the heat to electric core in each storage tank, use the baffle after, the heat radiating area of electric core is bigger, and the radiating effect of battery module is better.
According to some embodiments of the present invention, a sliding groove is formed on a side surface of each of the side plates facing the partition plate, and two ends of each of the partition plates are respectively inserted into the sliding grooves of the two side plates.
According to some embodiments of the utility model, the side plate comprises an upper supporting plate, a side plate body and a lower supporting plate, the upper supporting plate and the lower supporting plate are respectively fixed at two ends of the side plate body, the upper supporting plate and the lower supporting plate are located at the same side of the side plate body, and the upper supporting plate, the side plate body and the lower supporting plate jointly define the sliding groove.
According to some embodiments of the present invention, the number of the third ventilation holes of each of the side plates is the same as the number of the partition plates, and for the two outermost vertical plates of each of the partition plates: the first vent hole of one of the vertical plates is communicated with the third vent hole of one of the side plates, and the first vent hole of the other vertical plate is communicated with the third vent hole of the other side plate.
According to some embodiments of the utility model, the structure further comprises a first reinforcing plate and a second reinforcing plate, two ends of the first reinforcing plate are respectively and fixedly connected with the two end plates, the first reinforcing plate abuts against the upper surface of each partition plate, two ends of the second reinforcing plate are respectively and fixedly connected with the two end plates, and the second reinforcing plate abuts against the lower surface of each partition plate.
According to some embodiments of the utility model, the material of the first reinforcing plate is stainless steel or an aluminum alloy, and the material of the second reinforcing plate is stainless steel or an aluminum alloy.
According to a third aspect embodiment of the present invention, the battery pack includes the above battery module, and further includes a case body, the case body is provided with an accommodating cavity, and the battery module is placed in the accommodating cavity.
The battery pack provided by the embodiment of the utility model at least has the following beneficial effects: the battery module has good heat dissipation effect and longer service life, is favorable for prolonging the service life of the battery pack, and reduces the maintenance cost of the battery pack.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the following figures and examples, in which:
FIG. 1 is a perspective view of a separator plate according to an embodiment of the utility model;
fig. 2 is a perspective view of a battery module according to an embodiment of the present invention;
fig. 3 is a perspective view of the battery module in fig. 2 with the battery core removed;
FIG. 4 is an enlarged view of a portion of the area I in FIG. 3;
fig. 5 is an exploded view of the battery module in fig. 2 with the battery cell removed;
fig. 6 is a left side view of a side plate of the battery module of fig. 2;
fig. 7 is a front view of the battery module in fig. 2 with the battery core removed.
Reference numerals: an end plate 100;
a pad 200, a first avoidance groove 210;
the partition plate 300, the vertical plate 310, the first vent hole 311, the middle plate 320, the second vent hole 321, the groove 322, the bottom plate 330, the working surface 331 and the second avoiding groove 340;
a first reinforcing plate 400;
the side plate 500, the sliding groove 510, the upper supporting plate 511, the side plate body 512, the lower supporting plate 513 and the third ventilation hole 520;
a second reinforcing plate 600;
a cell 700;
and a receiving groove 810.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present numbers, and larger, smaller, inner, etc. are understood as including the present numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, a separator 300 according to an embodiment of the first aspect of the present invention includes a vertical plate 310 and a middle plate 320. At least three vertical plates 310 are arranged, each vertical plate 310 is arranged in parallel and at intervals, and each vertical plate 310 is provided with a first vent hole 311. An intermediate plate 320 is arranged between two adjacent vertical plates 310, and two ends of each intermediate plate 320 are fixedly connected with the two adjacent vertical plates 310 respectively. Two opposite side surfaces (for example, a left side surface and a right side surface, see fig. 1) of each middle plate 320 are respectively used for abutting against two adjacent battery cells 700, each middle plate 320 is provided with a second vent hole 321, and the second vent hole 321 penetrates through the two opposite side surfaces of the middle plate 320. The second vent hole 321 of each middle plate 320 is communicated with the first vent holes 311 of two adjacent vertical plates 310.
In combination with the above, the vertical plates 310 are provided with at least three, the middle plate 320 is provided between two adjacent vertical plates 310, two opposite side surfaces of each middle plate 320 are respectively used for abutting against two adjacent battery cells 700, that is, two sides of the separator 300 can be respectively provided with at least two battery cells 700. The second vent hole 321 of each middle plate 320 is communicated with the first vent holes 311 of two adjacent vertical plates 310, that is, the second vent hole 321 of the middle plate 320 can be communicated with the external environment through the first vent hole 311, so as to introduce the air of the external environment. Two opposite side surfaces of each middle plate 320 are respectively used for abutting against two adjacent battery cells 700, and the second ventilation holes 321 penetrate through the two opposite side surfaces of the middle plate 320, that is, at least a part of the surfaces of the two battery cells 700 abutting against the middle plate 320 are exposed in the second ventilation holes 321. Therefore, after the external air passes through the first vent holes 311 and the second vent holes 321 in sequence, the battery cells 700 on the two sides of the partition plate 300 can be cooled, and the second vent holes 321 are formed in the middle plate 320, so that the heat dissipation area of the double-row battery cells 700 can be directly increased, and the heat dissipation effect is further improved.
It should be noted that the vertical plate 310 may perform a limiting and protecting function on the battery cell 700. Specifically, when three vertical plates 310 are provided, the vertical plates can be used for separating two rows of battery cells, and when four vertical plates 310 are provided, the vertical plates can be used for separating three rows of battery cells. In addition, the number of risers 310 can also be five, six, or other numbers.
Referring to fig. 1, in some embodiments of the present invention, the partition board 300 further includes a bottom board 330, the bottom board 330 is fixedly connected to one end (refer to fig. 1, for example, the lower end) of each vertical board 310, the bottom board 330 is provided with a working surface 331, the working surface 331 is used for supporting the battery cell 700, and a projection of the middle board 320 on the working surface 331 is located in a middle region of the working surface 331.
The projection of the intermediate plate 320 onto the working surface 331 is located in the middle region of the working surface 331, i.e., the working surface 331 is distributed on both the left and right sides of the intermediate plate 320, so that the cells distributed on both sides of the intermediate plate 320 can be supported by the working surface 331. In addition, baffle 300 sets up bottom plate 330, can bear electric core 700 by oneself, and after baffle 300 applied to the battery module, the battery module need not additionally to set up the part of bearing electric core 700, is favorable to simplifying the structure of battery module from this.
Referring to fig. 1, in some embodiments of the present invention, each of the two side surfaces of the middle plate 320 for abutting against the battery cell 700 is provided with a groove 322. Therefore, after glue is applied to the groove 322 or double-sided adhesive tape is adhered, the battery cell 700 may be fixed to the middle plate 320. Meanwhile, because glue or sticky tape hold in recess 322, electric core 700 still can paste closely with the side of intermediate lamella 320, and the clearance between electric core 700 and the intermediate lamella 320 is little, and space utilization is high, is favorable to improving the energy density of battery module from this.
Referring to fig. 2 to 5, a battery module according to an embodiment of the second aspect of the present invention includes an end plate 100, a separator 300, a side plate 500, and a cell 700. The side plates 500 are provided in two, the two side plates 500 are arranged in parallel and at intervals, and each side plate 500 is provided with at least one third ventilation hole 520. The end plates 100 are provided with two, two ends of one end plate 100 are respectively fixedly connected with one ends of the two side plates 500, and two ends of the other end plate 100 are respectively fixedly connected with the other ends of the two side plates 500.
At least one partition 300 is provided, both ends of each partition 300 are connected to the two side plates 500, respectively, and at least two receiving grooves 810 are formed between each end plate 100 and an adjacent partition 300 and between two adjacent partitions 300 (see fig. 4). For the two outermost risers 310 of each separator 300: the first vent hole 311 of one vertical plate 310 is communicated with at least one third vent hole 520 of one side plate 500, and the first vent hole 311 of the other vertical plate 310 is communicated with at least one third vent hole 520 of the other side plate 500. The battery cell 700 is provided with at least four battery cells, and each battery cell 700 is inserted into each accommodating groove 810 one by one.
In combination with the above, the battery cell 700 in each accommodating groove 810 can be cooled by using the partition board 300 and matching with the third ventilation hole 520 of the side board 500. After the partition board 300 is used, the heat dissipation area of the battery cell 700 is larger, and the heat dissipation effect of the battery module is better.
Specifically, two ends of one end plate 100 are welded to one ends of the two side plates 500, respectively, and two ends of the other end plate 100 are welded to the other ends of the two side plates 500, respectively. In addition, both ends of one end plate 100 may be fixedly connected to one ends of the two side plates 500 by fasteners, respectively, and both ends of the other end plate 100 may be welded and fixed to the other ends of the two side plates 500 by fasteners, respectively.
Specifically, the side plates 500 may be provided with a third vent hole 520, at this time, the third vent hole 520 of one side plate 500 is communicated with the first vent hole 311 of one vertical plate 310 at the outermost side of all the partition plates 300, and the third vent hole 520 of the other side plate 500 is communicated with the first vent hole 311 of the other vertical plate 310 at the outermost side of all the partition plates 300. In addition, the plurality of third vent holes 520 of one side plate 500 may be in one-to-one correspondence with the first vent holes 311 of one vertical plate 310 on the outermost side of all partition plates 300 (refer to fig. 5), and the plurality of third vent holes 520 of the other side plate 500 may be in one-to-one correspondence with the first vent holes 311 of the other vertical plate 310 on the outermost side of all partition plates 300.
Referring to fig. 5, in some embodiments of the present invention, the battery module further includes two spacers 200, one spacer 200 is located between one end plate 100 and an adjacent separator 300, and the other spacer 200 is located between the other end plate 100 and an adjacent separator 300, at least two first avoidance grooves 210 are provided on a side of the spacer 200 facing the separator 300, the number of the first avoidance grooves 210 on one spacer 200 is equal to the number of the intermediate plates 320 on one separator 300, and the first avoidance grooves 210 are used for accommodating a portion of the battery cell 700.
From this, two backing plates 200 can be respectively with two baffle 300 cooperations in the outside, carry on spacingly to two electric cores in the outside, and end plate 100 need not to set up first groove 210 of dodging to can keep end plate 100's structural strength, provide the support for whole battery module.
Specifically, at least two second avoidance grooves 340 are respectively disposed on two sides of the partition plate 300, and the number of the second avoidance grooves 340 on one partition plate 300 is twice the number of the middle plates 320 on one partition plate 300. The second avoidance groove 340 is defined by two vertical plates 310 and one middle plate 320. The accommodating groove 810 is formed by one first avoiding groove 210 on the backing plate 200 and the second avoiding groove 340 corresponding to one position on the partition plate 300, and the accommodating groove 810 is formed by two second avoiding grooves 340 corresponding to two positions on two adjacent partition plates 300.
Referring to fig. 5 and 6, in some embodiments of the present invention, a sliding groove 510 is formed on a side surface of each side plate 500 facing the partition plate 300, and both ends of each partition plate 300 are respectively inserted into the sliding grooves 510 of the two side plates 500.
Therefore, the chute 510 can vertically limit one end of the partition 300, thereby realizing the connection between the partition 300 and the side plate 500. In addition, the partition boards 300 can slide in the sliding grooves 510 along the left and right directions, and then the distance between two adjacent partition boards 300 is adjusted, so that the battery module can adapt to the battery cores 700 with different thicknesses, and the battery module can be compatible with the battery cores 700 with various thicknesses, thereby being beneficial to reducing the production cost.
Referring to fig. 5 and 6, in a further embodiment of the present invention, the side panel 500 includes an upper supporting plate 511, a side panel body 512, and a lower supporting plate 513, where the upper supporting plate 511 and the lower supporting plate 513 are respectively fixed at two ends (for example, upper end and lower end, referring to fig. 6) of the side panel body 512, and the upper supporting plate 511 and the lower supporting plate 513 are located at the same side of the side panel body 512, and the upper supporting plate 511, the side panel body 512, and the lower supporting plate 513 together define a sliding slot.
Therefore, the plate can form the sliding groove after being bent twice, the production process is simple, and the production cost can be reduced.
Referring to fig. 7, in some embodiments of the present invention, at least a portion of the lower surface of each partition 300 is lower than the lower surface of the side plate 500. From this, after baffle 300 supported the battery module, the downside of battery module was unsettled, and the air can flow through from the downside of battery module, and then dispels the heat to electric core 700 in the battery module, and then promotes the radiating efficiency of battery module.
Referring to fig. 5, in some embodiments of the present invention, the battery module further includes a first reinforcing plate 400 and a second reinforcing plate 600, two ends of the first reinforcing plate 400 are respectively and fixedly connected to the two end plates 100, the first reinforcing plate 400 abuts against the upper surface of each of the separators 300, two ends of the second reinforcing plate 600 are respectively and fixedly connected to the two end plates 100, and the second reinforcing plate 600 abuts against the lower surface of each of the separators 300.
From this, first reinforcing plate 400 and second reinforcing plate 600 can carry out spacing of upper and lower direction to baffle 300, and first reinforcing plate 400 and second reinforcing plate 600 can promote the intensity of battery module simultaneously, and the battery module is difficult to bending deformation, and electric core 700 in the battery module carries out good protection.
Specifically, two ends of the first reinforcing plate 400 are fixedly connected to the two end plates 100 through screws, and two ends of the second reinforcing plate 600 are fixedly connected to the two end plates 100 through screws. In addition, both ends of the first reinforcing plate 400 may be welded to the two end plates 100, respectively, and both ends of the second reinforcing plate 600 may be welded to the two end plates 100, respectively.
In a further embodiment of the present invention, the material of the first reinforcing plate 400 is stainless steel or aluminum alloy, and the material of the second reinforcing plate 600 is stainless steel or aluminum alloy. Stainless steel or aluminum alloy have intensity high, be difficult to rusty advantage, from this first reinforcing plate 400 and second reinforcing plate 600 when satisfying operation requirement, still can increase of service life.
According to a third aspect embodiment of the utility model, the battery pack comprises the battery module and a box body, wherein the box body is provided with an accommodating cavity, and the battery module is arranged in the accommodating cavity. The battery module has good heat dissipation effect and longer service life, is favorable for prolonging the service life of the battery pack and reducing the maintenance cost of the battery pack.
Specific, a plurality of battery module can be placed to the holding intracavity, and after the electric connection of the electric core of a plurality of battery module, provide the electric energy jointly.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. A separator, comprising:
the vertical plates are provided with at least three blocks, the vertical plates are arranged in parallel at intervals, and each vertical plate is provided with a first vent hole;
the middle plate is arranged between every two adjacent vertical plates, two ends of each middle plate are fixedly connected with the two adjacent vertical plates respectively, two opposite side faces of each middle plate are used for abutting against the two adjacent electric cores respectively, each middle plate is provided with a second ventilation hole, the second ventilation holes penetrate through the two opposite side faces of the middle plate, and the second ventilation holes of the middle plates are communicated with the first ventilation holes of the two adjacent vertical plates.
2. The separator according to claim 1, further comprising a bottom plate, wherein the bottom plate is fixedly connected to one end of each vertical plate, the bottom plate is provided with a working surface, the working surface is used for supporting the battery cell, and a projection of the middle plate on the working surface is located in a middle area of the working surface.
3. The separator according to claim 1 or 2, wherein at least one of the two side faces of each intermediate plate for abutting against the cell is provided with a recess.
4. Battery module, its characterized in that includes:
the two side plates are arranged in parallel and at intervals, and each side plate is provided with at least one third ventilation hole;
the two end plates are arranged, two ends of one end plate are fixedly connected with one ends of the two side plates respectively, and two ends of the other end plate are fixedly connected with the other ends of the two side plates respectively;
the partition board of any one of claims 1 to 3, wherein the partition board is provided with at least one, two ends of each partition board are respectively connected with two side boards, at least two accommodating grooves are formed between each end board and an adjacent partition board and between two adjacent partition boards, and for two outermost vertical boards of each partition board: the first vent hole of one vertical plate is communicated with at least one third vent hole of one side plate, and the first vent hole of the other vertical plate is communicated with at least one third vent hole of the other side plate;
The electric core is equipped with at least four, each the electric core is inserted one by one and is established each in the storage tank.
5. The battery module according to claim 4, wherein a sliding groove is formed in a side surface of each side plate facing the partition plate, and both ends of each partition plate are respectively inserted into the sliding grooves of the two side plates.
6. The battery module according to claim 5, wherein the side plates comprise an upper supporting plate, a side plate body and a lower supporting plate, the upper supporting plate and the lower supporting plate are respectively fixed at two ends of the side plate body, the upper supporting plate and the lower supporting plate are located on the same side of the side plate body, and the upper supporting plate, the side plate body and the lower supporting plate jointly define the sliding groove.
7. The battery module according to claim 4, wherein at least a portion of the lower surface of each of the end plates is lower than the lower surface of the side plate.
8. The battery module according to any one of claims 4 to 7, further comprising a first reinforcing plate and a second reinforcing plate, wherein two ends of the first reinforcing plate are fixedly connected with the two end plates respectively, the first reinforcing plate abuts against the upper surface of each partition plate, two ends of the second reinforcing plate are fixedly connected with the two end plates respectively, and the second reinforcing plate abuts against the lower surface of each partition plate.
9. The battery module according to claim 8, wherein the first reinforcing plate is made of stainless steel or an aluminum alloy, and the second reinforcing plate is made of stainless steel or an aluminum alloy.
10. The battery pack is characterized by comprising the battery module as claimed in any one of claims 4 to 9, and further comprising a box body, wherein the box body is provided with a containing cavity, and the battery module is placed in the containing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763118.8U CN216720211U (en) | 2021-11-11 | 2021-11-11 | Separator, battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122763118.8U CN216720211U (en) | 2021-11-11 | 2021-11-11 | Separator, battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720211U true CN216720211U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122763118.8U Active CN216720211U (en) | 2021-11-11 | 2021-11-11 | Separator, battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720211U (en) |
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2021
- 2021-11-11 CN CN202122763118.8U patent/CN216720211U/en active Active
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |