CN212625967U - Battery pack and battery module thereof - Google Patents
Battery pack and battery module thereof Download PDFInfo
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- CN212625967U CN212625967U CN202021868656.2U CN202021868656U CN212625967U CN 212625967 U CN212625967 U CN 212625967U CN 202021868656 U CN202021868656 U CN 202021868656U CN 212625967 U CN212625967 U CN 212625967U
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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 discloses a battery package and battery module thereof. The utility model discloses in, the battery module includes: a plurality of groups of battery cell array columns which are sequentially arranged and connected along a first direction, wherein a first bonding layer is arranged between any two adjacent battery cell array columns; the thickness of the first adhesive layer is more than 0.2mm, and the area of the first adhesive layer between any two adjacent battery cell group columns is more than 20% of the butt joint area of the two adjacent battery cell group columns; each battery cell group column is provided with a plurality of battery cells which are sequentially arranged and connected along a second direction, and a second bonding layer is arranged between any adjacent battery cells; the thickness of the second bonding layer is more than 0.2mm, and the area of the second bonding layer between any two adjacent battery cells is more than 20% of the butt joint area of the two adjacent battery cells; the first direction and the second direction are both in the horizontal direction and perpendicular to each other. Compared with the prior art, the battery module has the advantages that the structure is stable, the material consumption of the battery pack is reduced, and the cost is reduced.
Description
Technical Field
The utility model relates to a battery field, in particular to battery package and battery module thereof.
Background
The battery pack is composed of a plurality of battery modules arranged in the frame, a plurality of battery cores are arranged in the battery modules, the existing battery modules are small modules, and a small amount of battery cores are arranged in the battery modules and are tied up. And then a plurality of small modules are assembled in the frame to form the battery pack. However, a plurality of battery modules need to be placed in the battery pack, and each battery module is provided with an end plate and a trapping belt, so that the battery pack is large in size and high in material consumption. And electric core in the battery module is directly stranded through ribbon behind the end cover centre gripping, and in the battery package use, battery module structure is unstable, and skew about the electric core easily appears to influence the circuit connection between the electric core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery package and battery module thereof for the stable in structure of battery module, and the consumptive material of battery package reduces reduce cost.
In order to solve the above technical problem, an embodiment of the present invention provides a battery module, including: a plurality of groups of battery cell array columns which are sequentially arranged and connected along a first direction, wherein a first bonding layer is arranged between any two adjacent battery cell array columns; the thickness of the first adhesive layer is more than 0.2mm, and the area of the first adhesive layer between any two adjacent battery cell group rows is more than 20% of the butt joint area of the two adjacent battery cell group rows;
each battery cell group column is provided with a plurality of battery cells which are sequentially arranged and connected along a second direction, and a second bonding layer is arranged between any adjacent battery cells; the thickness of the second adhesive layer is more than 0.2mm, and the area of the second adhesive layer between any two adjacent battery cells is more than 20% of the butt joint area of the two adjacent battery cells; the first direction and the second direction are both in a horizontal direction and perpendicular to each other.
The utility model discloses embodiment is for prior art, owing to include multiunit battery group row, and battery group row arranges in order along the first direction and is listed as continuously mutually, is equipped with first bond line between two adjacent battery group rows, lets each battery group row fastening together. Each battery cell array has a plurality of continuous electric cores of arranging in order along the second direction, and is fixed mutually through the second bond line between the adjacent electric core, realizes that the electric core fastening in each battery cell array is in the same place, and then makes there are a plurality of electric cores in the battery module, and fastening connection between each electric core, is difficult for scattering for battery package in use electric core is difficult for the dislocation, and electric core is more stable, and the circuit is not fragile, and the use of battery package is more safe. In addition, more electric cores are arranged in one battery module, when the same number of electric cores are needed in the battery pack, fewer battery modules can be placed in the battery pack to meet the requirements, the size of the battery pack is saved, and the space occupied by the battery pack is reduced. And the number of the battery modules in the battery pack with the same number of the battery cores is small, so that the frame of the battery modules is saved, the material consumption is saved, and the cost is reduced. Meanwhile, the thickness of the first adhesive layer is larger than 0.2mm, the area of one adhesive layer is larger than 20% of the butt joint area of the two adjacent battery cell arrays, so that materials of the first adhesive layer are saved while the battery cell arrays are firmly adhered, and the distance between the battery cell arrays is more reasonable. Similarly, the thickness of the second adhesive layer is greater than 0.2mm, and the area of the second adhesive layer is greater than 20% of the butt joint area of the two adjacent battery cores, so that the adhesion between the battery cores is firm, the material of the second adhesive layer is saved, and the distance between the battery cores is more reasonable. Thereby making the whole area of the battery module smaller and the battery module more compact.
The utility model discloses an embodiment still provides a battery package, include: at least one battery module as described above.
In an embodiment, the first direction is a length direction of the battery cell; the second direction is a width direction of the battery cell.
In an embodiment, each of the battery cells has a first surface, a second surface disposed opposite to the first surface, and a third surface and a fourth surface connecting the first surface and the second surface, and the third surface and the fourth surface are disposed opposite to each other; wherein the first surface of one of the cells and the second surface of the other of the cells in two adjacent cells are fixed by the second adhesive layer;
the third surfaces of the cells in the cell array rows are arranged to form a first side wall, the fourth surfaces of the cells in the cell array rows are arranged to form a second side wall, and the first side wall of one cell array in two adjacent cell array rows and the second side wall of the other cell array are fixed through a first adhesive layer.
In an embodiment, the first adhesive layer is circumferentially coated on the first sidewall or the second sidewall.
In an embodiment, the second adhesive layer is circumferentially coated on the first surface or the second surface.
In one embodiment, the battery module further includes: the battery cell array comprises a first end plate and a second end plate which is arranged opposite to the first end plate, wherein the first end plate and the second end plate are matched with each other to clamp and fix each battery cell array;
the electric cores arranged at two ends in each electric core array are respectively a head end electric core and a tail end electric core, each head end electric core is fixed with the first end plate through a third bonding layer, and each tail end electric core is fixed with the first end plate through a fourth bonding layer.
In one embodiment, the first end plate comprises: the first buffer layer is fixed with each head end electric core through a third bonding layer, the first insulating layer is fixed with the first buffer layer, and the first end plate body is fixed with the first insulating layer;
the second end plate includes: the second buffer layer is fixed with each tail end battery cell through a fourth bonding layer, the second insulating layer is fixed with the second buffer layer, and the second end plate body is fixed with the second insulating layer.
In one embodiment, the first insulating layer and the second insulating layer are both plastic plates or plastic films.
In an embodiment, the area of the first adhesive layer between any two adjacent battery cell rows is greater than 50% of the butt joint area of the two adjacent battery cell rows and less than 80% of the butt joint area of the two adjacent battery cell rows; the area of the second adhesive layer between any two adjacent battery cells is greater than 50% of the butt joint area of the two adjacent battery cells and less than 80% of the butt joint area of the two adjacent battery cells.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electrical core in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of stacking two battery cells in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of stacking two cell rows according to an embodiment of the present invention;
1, arranging battery cores in a row; 2. arranging the battery cells; 11. an electric core; 12. an electric core; 13. an electric core; 101. an electric core; 21. an electric core; 201. an electric core; 111. a first surface; 112. a second surface; 113. a third surface; 114. a fourth surface; 121. a first surface; 4. a first adhesive layer; 5. a second adhesive layer; 6. a first end plate; 61. a first buffer layer; 62. a first insulating layer; 63. a first end plate body; 7. a second end plate; 71. a second buffer layer; 72. a second insulating layer; 73. a second end plate body; 8. a first separator plate; 9. a second separator plate; 100. binding a belt; 3. a third adhesive layer; 10. a first side wall; 20. a second side wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.
Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.
In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.
Embodiments of the present invention are described below with reference to the drawings. As shown in fig. 1 to 5, the battery module includes: the battery cell array 1 and the battery cell array 2 are arranged in sequence, the battery cell array 1 and the battery cell array 2 are arranged in sequence along a first direction and are connected, the first direction is an indication direction of an arrow A, a first bonding layer 4 is arranged between the battery cell array 1 and the battery cell array 2, and the first bonding layer 4 can be adhesives such as glue and can also be an adhesive film. Wherein the thickness of the first adhesive layer 4 is greater than 0.2mm, and the area of the first adhesive layer 4 is greater than 20% of the butt joint area between the cell group row 1 and the cell group row 2. The thickness of the optional first adhesive layer 4 may be 0.3mm, 0.5mm, 0.56 mm. The thickness of the first adhesive layer 4 may be less than 2 mm. If the abutting area between the cell array row 1 and the cell array row 2 is 1 square meter, the area of the first adhesive layer 4 may be 0.3 square meter, 0.4 square meter, 0.75 square meter, 0.9 square meter, 1 square meter, or the like.
As shown in fig. 1, fig. 2, and fig. 5, the cell array 1 and the cell array 2 have the same structure, taking the cell array 1 as an example, the cell array 1 has a plurality of cells sequentially arranged and connected along the second direction, as shown in fig. 1 and fig. 2, 12 cells are arranged and connected in the cell array 1 sequentially along the second direction, the second direction is indicated by an arrow B, two adjacent cells are fixed by a second adhesive layer 5, and the second adhesive layer 5 may be an adhesive such as glue or an adhesive film. Now, a cell 11, a cell 12, a cell 13, and a cell 101 are indicated in the drawing, where the cell 11, the cell 12, and the cell 13 are sequentially connected, and the cell 101 is the last cell in the cell array 1. The thickness of the second adhesive layer 5 is greater than 0.2mm, and the thickness of the optional second adhesive layer 5 may be 0.3mm, 0.5mm, 0.56, 0.7 mm. The thickness of the second adhesive layer 5 may be less than 2 mm. And the area of the second adhesive layer 5 between two adjacent battery cells is more than 20% of the butt joint area of the two adjacent battery cells. If the butt joint area between two adjacent cells is 0.6 square meter, the area of the first adhesive layer 4 between the two cells may be 0.18 square meter, 0.24 square meter, 0.3 square meter, 0.5 square meter, 0.6 square meter, or the like. The first direction and the second direction are both in the horizontal direction and perpendicular to each other. Optionally, as shown in fig. 1, the first direction is a length direction of the battery cell, and the second direction is a width direction of the battery cell.
In addition, the first direction may also be a width direction of the battery cell, and the second direction may be a length direction of the battery cell, which is not illustrated here.
It can be understood that the cell array columns may also be 3, 4, or 5, and the like, the first adhesive layer 4 is disposed between two adjacent cell array columns, and the thicknesses of the first adhesive layers 4 between two adjacent cell array columns may be the same or different. The area of the first adhesive layer 4 between two adjacent battery cell columns is greater than 20% of the butt joint area of the two adjacent battery cell columns, and the area of the first adhesive layer 4 between the two adjacent battery cell columns can be the same or different. The number of cells in each cell group column may be the same or different. And a second adhesive layer 5 is arranged between every two adjacent cells in the cell group column, and the thicknesses of the second adhesive layers 5 can be selected to be the same or different. The area of the second adhesive layer 5 between two adjacent battery cells is greater than 20% of the butt joint area of the two adjacent battery cells, and the area sizes of the second adhesive layers 5 between the two adjacent battery cells can also be selected to be the same or different.
Through the content, it is not difficult to find that the battery pack fastening structure comprises a plurality of battery cell arrays which are sequentially arranged along a first direction and are connected in a row, and a first adhesive layer 4 is arranged between every two adjacent battery cell arrays to fasten the battery cell arrays together. Each battery cell group row has a plurality of continuous electric cores of arranging in order along the second direction, and is fixed mutually through second bond line 5 between the adjacent electric core, realizes that the electric core fastening in each battery cell group row is in the same place, and then makes there are a plurality of electric cores in the battery module, and fastening connection between each electric core, is difficult for scattering for battery package in use electric core is difficult for the dislocation, and electric core is more stable, and the circuit is not fragile, and the use of battery package is safer. In addition, more electric cores are arranged in one battery module, when the same number of electric cores are needed in the battery pack, fewer battery modules can be placed in the battery pack to meet the requirements, the size of the battery pack is saved, and the space occupied by the battery pack is reduced. And the number of the battery modules in the battery pack with the same number of the battery cores is small, so that the frame of the battery modules is saved, the material consumption is saved, and the cost is reduced. Meanwhile, the thickness of the first bonding layer 4 is larger than 0.2mm, the area of one bonding layer is larger than 20% of the butt joint area of the two adjacent battery cell arrays, so that the adhesion between the battery cell arrays is firm, the material of the first bonding layer 4 is saved, and the distance between the battery cell arrays is more reasonable. Similarly, the thickness of the second adhesive layer 5 is greater than 0.2mm, and the area of the second adhesive layer 5 is greater than 20% of the butt joint area of the two adjacent battery cells, so that the adhesion between the battery cells is firm, the material of the second adhesive layer 5 is saved, and the distance between the battery cells is more reasonable. Thereby making the whole area of the battery module smaller and the battery module more compact.
Preferably, as shown in fig. 1, 2, and 5, the area of the first adhesive layer 4 is greater than 50% of the area of the interface between the cell group row 1 and the cell group row 2 and less than 50% of the area of the interface between the cell group row 1 and the cell group row 2. If the abutting area between the cell group row 1 and the cell group row 2 is 1 square meter, the area of the first adhesive layer 4 may be 0.6 square meter, 0.7 square meter, 0.75 square meter, or the like. The area of the second adhesive layer 5 between any two adjacent battery cells is greater than 50% of the butt joint area of the two adjacent battery cells and less than 80% of the butt joint area of the two adjacent battery cells. If the butt joint area between the battery cell 1 and the battery cell 2 is 0.5 square meter, the area of the first adhesive layer 4 may be 0.3 square meter, 0.34 square meter, 0.36 square meter, or the like.
Specifically, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the cells have the same structure, and taking one cell 11 as an example, the cell 11 has a first surface 111, a second surface 112 disposed opposite to the first surface 111, a third surface 113 and a fourth surface 114 connecting the first surface 111 and the second surface 112, and the third surface 113 and the fourth surface 114 are disposed opposite to each other. The second surface 112 of the battery cell 11 is connected to the first surface 121 of the battery cell 12 through the second adhesive layer 5, and the first surface of one battery cell and the second surface of another battery cell between two adjacent battery cells are also adhesively fixed through the second adhesive layer 5. The third surfaces of the cells in each cell array are arranged to form a first sidewall 10, the fourth surfaces of the cells in each cell array are arranged to form a second sidewall 20, and the first sidewall 10 of one cell array and the second sidewall 20 of another cell array in two adjacent cell arrays are fixed by a first adhesive layer 4. That is, the fourth surface of each cell in the cell array 1 is located at one side and arranged to form the first sidewall 10, the third surface of each cell in the cell array 2 is located at one side and arranged to form the second sidewall 20, the first sidewall 10 and the second sidewall 20 are adhesively fixed by the first adhesive layer 4, the first adhesive layer 4 extends in the direction of the arrow B, and the second adhesive layer 5 extends in the direction of the arrow a.
In addition, as shown in fig. 1, 2 and 5, the first adhesive layer 4 may be circumferentially coated on the first sidewall 10 or the second sidewall 20, in which case the first adhesive layer 4 is glue or PU glue. The first adhesive layer 4 may also be applied on both the first side wall 10 and the second side wall 20. The first adhesive layer 4 may be applied to the periphery, or may be applied to an intermediate region of the first sidewall 10 or the second sidewall 20. When the first adhesive layer 4 is an adhesive film, the adhesive film may be formed in a hollow shape or a shape having a plurality of hollowed portions, and is attached to the first sidewall 10, and then the second sidewall 20 is attached to the first sidewall 10 in an alignment region. The adhesive film is a plastic film or a textile film coated with glue. When the number of the battery cells is 3, 4 or other numbers, the first adhesive layer 4 between two battery cell rows may be also provided.
Further, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, taking the second adhesive layer 5 between the battery cell 11 and the battery cell 12 as an example, the second adhesive layer 5 is circumferentially coated on the first surface 121 or the second surface 112, in this case, the second adhesive layer 5 is a glue or a PU glue. The second adhesive layer 5 may also be applied on both the first surface 121 or the second surface 112. The first adhesive layer 4 is applied on the periphery, and may be applied on the middle area of the first surface 121 or the second surface 112. When the first adhesive layer 4 is an adhesive film, the adhesive film may be formed in a hollow shape or a shape having a plurality of hollow portions, and is attached to the first surface 121, and then the alignment region of the second surface 112 is attached to the first surface 121. The adhesive film is a plastic film or a textile film coated with glue. The second adhesive layer 5 between other adjacent cells, two cells, may also be provided in the same manner.
Further, as shown in fig. 1 and 2, the battery module further includes: first end plate 6, with the relative second end plate 7 that sets up of first end plate 6, first end plate 6 and second end plate 7 cooperate the fixed battery group of centre gripping to be listed as 1 and battery group is listed as 2. The electric cores arranged at two ends in each electric core group column are respectively a head end electric core and a tail end electric core, if the electric core 11 in the electric core group column 1 is the head end electric core, the electric core 101 is the tail end electric core. The head end electric core in each electric core group row is fixed with the first end plate 6 through the third bonding layer 3, and each tail end electric core is fixed with the first end plate 6 through the fourth bonding layer. The third adhesive layer 3 and the fourth adhesive layer may be an adhesive such as glue or an adhesive film. A first isolation plate 8 and a second isolation plate 9 are further arranged between the first end plate 6 and the second end plate 7, the first isolation plate 8 and the second isolation plate 9 are arranged oppositely, and the first isolation plate 8 and the second isolation plate 9 are matched to clamp each battery cell array. And the periphery of the battery cell array after stacking is provided with a binding belt 100, and the first end plate 6, the first isolation plate 8, the second end plate 7, the second isolation plate 9 and the battery cell array after stacking are bound by the binding belt 100, so that the stable assembly of the battery module is realized. An adhesive layer can be coated between the first isolation plate 8 and the battery cell column 1, and an adhesive layer can be coated between the second isolation plate 9 and the battery cell column 2.
Specifically, as shown in fig. 1 and 2, the first end plate 6 includes: the first buffer layer 61 fixed to the battery cell 11 and the battery cell 21 by the third adhesive layer 3, the first insulating layer 62 fixed to the first buffer layer 61, and the first end plate 6 body fixed to the first insulating layer 62, that is, the first buffer layer 61 is fixed to the head end battery cell of each battery cell array by the third adhesive layer 3. The second end plate 7 includes: the second buffer layer 71 fixed to the battery cell 101 and the battery cell 201 by the fourth adhesive layer, the second insulating layer 72 fixed to the second buffer layer 71, and the second end plate 7 body fixed to the second insulating layer 72, that is, the second buffer layer 71 is fixed to the tail end battery cell of each battery cell array by the fourth adhesive layer.
Further, the first insulating layer 62 and the second insulating layer 72 are both plastic plates or plastic films, and the first buffer layer 61 and the second buffer layer 71 are made of foam.
Another embodiment of the utility model relates to a battery package still relates to a battery package, including at least one above-mentioned battery module. Arrange each battery module and place on the bottom plate, install frame and roof again, frame and bottom plate, roof can weld or threaded connection, centers on each battery module, with each battery module encapsulation together.
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (10)
1. A battery module, comprising: a plurality of groups of battery cell array columns which are sequentially arranged and connected along a first direction, wherein a first bonding layer is arranged between any two adjacent battery cell array columns; the thickness of the first adhesive layer is more than 0.2mm, and the area of the first adhesive layer between any two adjacent battery cell group rows is more than 20% of the butt joint area of the two adjacent battery cell group rows;
each battery cell group column is provided with a plurality of battery cells which are sequentially arranged and connected along a second direction, and a second bonding layer is arranged between any adjacent battery cells; the thickness of the second adhesive layer is more than 0.2mm, and the area of the second adhesive layer between any two adjacent battery cells is more than 20% of the butt joint area of the two adjacent battery cells; the first direction and the second direction are both in a horizontal direction and perpendicular to each other.
2. The battery module according to claim 1, wherein the first direction is a length direction of the battery cells; the second direction is a width direction of the battery cell.
3. The battery module according to claim 2, wherein each of the battery cells has a first surface, a second surface disposed opposite to the first surface, and third and fourth surfaces connecting the first and second surfaces, and the third and fourth surfaces are disposed opposite to each other; wherein the first surface of one of the cells and the second surface of the other of the cells in two adjacent cells are fixed by the second adhesive layer;
the third surfaces of the cells in the cell array rows are arranged to form a first side wall, the fourth surfaces of the cells in the cell array rows are arranged to form a second side wall, and the first side wall of one cell array in two adjacent cell array rows and the second side wall of the other cell array are fixed through a first adhesive layer.
4. The battery module according to claim 3, wherein the first adhesive layer is coated circumferentially on the first side wall or the second side wall.
5. The battery module according to claim 3, wherein the second adhesive layer is coated circumferentially on the first surface or the second surface.
6. The battery module according to claim 1, further comprising: the battery cell array comprises a first end plate and a second end plate which is arranged opposite to the first end plate, wherein the first end plate and the second end plate are matched with each other to clamp and fix each battery cell array;
the electric cores arranged at two ends in each electric core array are respectively a head end electric core and a tail end electric core, each head end electric core is fixed with the first end plate through a third bonding layer, and each tail end electric core is fixed with the first end plate through a fourth bonding layer.
7. The battery module according to claim 6, wherein the first end plate comprises: the first buffer layer is fixed with each head end electric core through a third bonding layer, the first insulating layer is fixed with the first buffer layer, and the first end plate body is fixed with the first insulating layer;
the second end plate includes: the second buffer layer is fixed with each tail end battery cell through a fourth bonding layer, the second insulating layer is fixed with the second buffer layer, and the second end plate body is fixed with the second insulating layer.
8. The battery module according to claim 7, wherein the first insulating layer and the second insulating layer are each a plastic plate or a plastic film.
9. The battery module according to claim 1, wherein the area of the first adhesive layer between any two adjacent battery cell rows is greater than 50% and less than 80% of the abutting area of the two adjacent battery cell rows; the area of the second adhesive layer between any two adjacent battery cells is greater than 50% of the butt joint area of the two adjacent battery cells and less than 80% of the butt joint area of the two adjacent battery cells.
10. A battery pack, comprising: at least one battery module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868656.2U CN212625967U (en) | 2020-08-31 | 2020-08-31 | Battery pack and battery module thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868656.2U CN212625967U (en) | 2020-08-31 | 2020-08-31 | Battery pack and battery module thereof |
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| CN212625967U true CN212625967U (en) | 2021-02-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054316A (en) * | 2021-03-18 | 2021-06-29 | 维沃移动通信有限公司 | Battery structure, electronic equipment and preparation method of battery structure |
| CN113054317A (en) * | 2021-03-18 | 2021-06-29 | 维沃移动通信有限公司 | Battery structure, electronic equipment and preparation method of battery structure |
| CN113794014A (en) * | 2021-09-16 | 2021-12-14 | 远景能源有限公司 | Battery module and battery pack |
| CN114069018A (en) * | 2021-11-19 | 2022-02-18 | 惠州市亿高新能源有限公司 | Gluing method on battery cell |
-
2020
- 2020-08-31 CN CN202021868656.2U patent/CN212625967U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054316A (en) * | 2021-03-18 | 2021-06-29 | 维沃移动通信有限公司 | Battery structure, electronic equipment and preparation method of battery structure |
| CN113054317A (en) * | 2021-03-18 | 2021-06-29 | 维沃移动通信有限公司 | Battery structure, electronic equipment and preparation method of battery structure |
| CN113054317B (en) * | 2021-03-18 | 2023-11-21 | 维沃移动通信有限公司 | Battery structure, electronic equipment and preparation method of battery structure |
| CN113794014A (en) * | 2021-09-16 | 2021-12-14 | 远景能源有限公司 | Battery module and battery pack |
| CN114069018A (en) * | 2021-11-19 | 2022-02-18 | 惠州市亿高新能源有限公司 | Gluing method on battery cell |
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