CN220138600U - Battery package box structure, electric core and battery package - Google Patents
Battery package box structure, electric core and battery package Download PDFInfo
- Publication number
- CN220138600U CN220138600U CN202321669916.7U CN202321669916U CN220138600U CN 220138600 U CN220138600 U CN 220138600U CN 202321669916 U CN202321669916 U CN 202321669916U CN 220138600 U CN220138600 U CN 220138600U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- battery pack
- box body
- battery
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of batteries and discloses a battery pack box body structure, an electric core and a battery pack. Wherein, two lateral parts of the exhaust structure facing to the accommodating cavity are respectively provided with at least two exhaust holes which are vertically spaced. According to the battery pack box body structure, the battery cell is arranged in the box body structure, the pressure release structure is opposite to the exhaust hole, hot air generated when the battery cell is out of control is discharged through the pressure release structure and then enters the exhaust channel through the exhaust hole, and then is discharged out of the box body through the outlet of the exhaust channel, so that the hot air is prevented from being discharged into the box body, and the hot air is separated from an electric appliance in the box body, and thermoelectric separation is realized; meanwhile, the battery pack box body structure is suitable for the battery cell with the side edge provided with at least two pressure relief structures, and compared with the battery cell, the battery pack box body structure is provided with only one pressure relief structure at the top of the battery cell, so that the exhaust speed of the battery cell can be effectively improved, and the safety performance of the battery cell and the battery pack is further improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery pack box structure, an electric core and a battery pack.
Background
The existing square-shell battery cell is generally provided with a pressure relief structure at the top or bottom of the battery cell, and when the battery cell is out of control, the single pressure relief structure is slower in exhaust. The electric core sets up in battery package box structure, and explosion-proof valve discharges the gas that electric core thermal runaway produced through the exhaust passage on the box structure, and current battery package exhaust structure does not realize thermoelectric separation, and battery package exhaust is slower or need the higher cost to carry out thermal runaway protection to the battery package.
Disclosure of Invention
In view of the above, the utility model provides a battery pack box structure, a battery cell and a battery pack, so as to solve the problems that the existing battery pack exhaust structure does not realize thermoelectric separation and exhaust is slower.
In a first aspect, the present utility model provides a battery pack case structure, comprising a case body and at least one exhaust structure, wherein the at least one exhaust structure is disposed in the case body to space an inner cavity of the case body into at least two accommodating cavities; the exhaust structure is provided with an exhaust channel, and two side parts of the exhaust structure facing the accommodating cavity are respectively provided with at least two exhaust holes which are vertically spaced; the exhaust holes are suitable for pressure release structures which are in one-to-one correspondence with the side surfaces of the battery cells; the outlet end of the exhaust passage extends out of the tank body.
The beneficial effects are that: the battery pack box body structure is characterized in that at least two vent holes are formed in two side parts of the vent structure, facing the accommodating cavity, of the vertical space, correspondingly, pressure release structures corresponding to the number of the vent holes are arranged on the side surfaces of the battery cells arranged in the battery pack box body structure, the battery cells are arranged in the box body structure, the pressure release structures are opposite to the vent holes, hot air generated when the battery cells are out of control thermally is discharged through the pressure release structures and then enters the vent channel through the vent holes, and then is discharged out of the box body through an outlet of the vent channel, so that the hot air is prevented from being discharged into the box body, and the hot air is separated from electric appliances in the box body, and thermoelectric separation is realized; meanwhile, the battery pack box body structure is suitable for the battery cell with the side edge provided with at least two pressure relief structures, and compared with the battery cell, the battery pack box body structure is provided with only one pressure relief structure at the top of the battery cell, so that the exhaust speed of the battery cell can be effectively improved, and the safety performance of the battery cell and the battery pack is further improved.
In an alternative embodiment, each receiving chamber is provided with a vent structure on both sides.
The beneficial effects are that: the battery cell is placed in the accommodating cavity, the pressure release structures on the two sides of the battery cell are respectively abutted to the exhaust holes on the two sides, at least two exhaust holes are formed in the side part of each exhaust structure, at least two pressure release structures are arranged on each side of the battery cell, at least four pressure release structures are arranged on the two sides of each battery cell in total, the number of the pressure release structures on the battery cell is large, the exhaust speed is high, so that the exhaust efficiency of the battery cell in thermal runaway is guaranteed, and the safety performance of the battery cell is improved.
In an alternative embodiment, a spacer is arranged in the exhaust passage, the spacer divides the exhaust passage into a plurality of independent air passages, and the air passages are arranged in one-to-one correspondence with the pressure relief structures on two sides of the exhaust structure.
The beneficial effects are that: the air flue corresponds to the pressure relief structures on two sides of the exhaust structure one by one. The independent air passages do not interfere with each other and do not circulate with each other, so that the mutual interference of the pressure relief structures on two sides of each exhaust structure and on the upper side and the lower side of each exhaust structure is prevented, and the smoothness and the safety of exhaust are ensured.
In an alternative embodiment, the long side of the exhaust structure is parallel to the long side of the box body, and a plurality of rows of exhaust holes are arranged at intervals in the length direction of the exhaust structure.
In an alternative embodiment, the utility model also comprises an air outlet structure which is arranged in one-to-one correspondence with the air passages, wherein one end of the air outlet structure is communicated with the air passages, and the other end of the air outlet structure is communicated with the outside of the box body.
The beneficial effects are that: the gas exhausted from the air passage is guided to the outside of the box body through the gas outlet structure so as to directionally exhaust the gas.
In an alternative embodiment, each air outlet structure comprises an exhaust pipe and an air ventilation valve, wherein one end of the exhaust pipe is communicated with the air passage, and the other end of the exhaust pipe is connected with an air cavity of the air ventilation valve; the ventilation valve is connected to the exhaust structure.
In an alternative embodiment, the end of the exhaust structure is provided with an adapter on which the breather valve is mounted.
The beneficial effects are that: the breather valve is connected to the exhaust structure via an adapter.
In a second aspect, the present utility model also provides a cell adapted to be placed within the battery pack case structure of any one of the above; the battery cell comprises a shell and a pole group arranged in the shell, wherein the side surface of the shell is provided with at least two vertically-spaced pressure relief structures, and the shell is abutted against the side part of the exhaust structure so that the air outlet end of the pressure relief structure is communicated with the exhaust hole.
The beneficial effects are that: the side of electric core casing is equipped with two at least vertical spaced pressure release structures, compares among the prior art only sets up a pressure release structure at the top of casing, can improve the exhaust velocity when electric core thermal runaway, improves electric core security.
In an alternative embodiment, a seal is provided around the periphery of the pressure relief structure, the seal being sealingly arranged between the housing and the venting structure.
The beneficial effects are that: the sealing piece is arranged between the shell and the exhaust structure in a sealing way, so that hot air is prevented from being discharged into the box body through a gap between the shell and the exhaust structure in the exhaust process, and the normal operation of an electric appliance in the box body and the service life of the electric appliance are influenced.
In a third aspect, the present utility model also provides a battery pack, including the battery pack case structure of any one of the above and the battery cell of any one of the above.
The beneficial effects are that: the battery pack with the structure is characterized in that the pressure relief structures are arranged on the small surfaces on the left side and the right side of the inner battery core and are matched with the exhaust holes on the exhaust structures on the two sides, so that hot air generated when the battery core is out of control is effectively and rapidly discharged out of the battery pack box structure, thermoelectric separation is realized, and the safety performance of the battery pack is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view illustrating a first angle of a battery pack case structure according to an embodiment of the present utility model;
fig. 2 is a second angular schematic view of a battery pack case structure according to an embodiment of the present utility model;
fig. 3 is a schematic view of a battery pack case structure according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a sectional view showing a structure of a battery pack case according to an embodiment of the present utility model;
FIG. 6 is an enlarged view of a portion C of FIG. 5;
FIG. 7 is a first angular schematic view of the side rail of FIG. 1;
FIG. 8 is a second angular schematic view of the side rail of FIG. 1;
FIG. 9 is a schematic diagram of a battery cell according to another embodiment of the present utility model;
fig. 10 is a partial enlarged view of a portion B in fig. 9;
fig. 11 is a schematic view of a battery pack according to still another embodiment of the present utility model.
Reference numerals illustrate:
1. a case body; 101. an end plate; 102. edge beams; 2. an exhaust structure; 201. an exhaust hole; 202. a spacer; 203. an airway; 204. an adapter; 3. an air outlet structure; 301. an exhaust pipe; 302. a ventilation valve; 4. a housing; 401. a pressure relief structure; 402. and a seal.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the present utility model is described below with reference to fig. 1 to 1.
According to an embodiment of the present utility model, in one aspect, there is provided a battery pack case structure including a case body 1 and at least one exhaust structure 2. Wherein, at least one exhaust structure 2 is arranged in the box body 1 to divide the inner cavity of the box body 1 into at least two accommodating cavities; the exhaust structure 2 has an exhaust passage, and two side parts of the exhaust structure 2 facing the accommodating cavity are respectively provided with at least two exhaust holes 201 vertically spaced; the exhaust holes 201 are suitable for the pressure release structures 401 which are in one-to-one correspondence with the side surfaces of the battery cells; the outlet end of the exhaust passage extends to the outside of the tank body 1.
According to the battery pack box structure, at least two vent holes 201 are formed in two side parts of the vent structure 2 facing the accommodating cavity, which are vertically spaced, correspondingly, pressure release structures 401 corresponding to the number of the vent holes 201 are arranged on the side surfaces of the battery cells arranged in the battery pack box structure, the battery cells are arranged in the box structure, the pressure release structures 401 are opposite to the vent holes 201, hot air generated when the battery cells are out of control thermally enters a vent channel through the vent holes 201 after being discharged through the pressure release structures 401, and then is discharged out of the box body 1 through an outlet of the vent channel, so that the hot air is prevented from being discharged into the box body 1, and is separated from electric appliances in the box body 1, and thermoelectric separation is realized; meanwhile, the battery pack box body structure is suitable for the battery cell with the side provided with at least two pressure relief structures 401, and compared with the battery cell with only one pressure relief structure 401 arranged at the top of the battery cell, the exhaust speed of the battery cell can be effectively improved, and further the safety performance of the battery cell and the battery pack is improved.
As shown in fig. 1 to 3, in one embodiment, two sides of each accommodating cavity are respectively provided with an exhaust structure 2, correspondingly, two sides of each battery cell are respectively provided with a pressure release structure 401, the battery cells are placed in the accommodating cavities, the pressure release structures 401 on the two sides of the battery cells are respectively abutted to the exhaust holes 201 on the two sides, at least two exhaust holes 201 are formed in the side of each exhaust structure 2, at least two pressure release structures 401 are arranged on each side of each battery cell, at least four pressure release structures 401 are arranged on the two sides of each battery cell in total, the number of pressure release structures 401 on each battery cell is large, the exhaust speed is high, so that the exhaust efficiency of the battery cells in thermal runaway is ensured, and the safety performance of the battery cells is improved.
In other embodiments, the side of the accommodating cavity near the side of the case body 1 facing the side of the case body 1 may not be provided with the exhaust structure 2, and accordingly, only one side of the battery cell in the accommodating cavity is provided with the pressure release structure 401. The exhaust structure 2 is arranged on both sides of the middle accommodating cavity, and the pressure relief structure 401 is arranged on both sides of the battery cell in the middle accommodating cavity.
Specifically, in one embodiment, two vent holes 201 are provided at vertical intervals on each side portion of each vent structure 2, the two vent holes 201 are provided on the upper and lower sides of the vent structure 2, and a bonding region is formed between the upper and lower vent holes 201. Two pressure release structures 401 are arranged on each side surface of the corresponding battery cell, and a battery cell shell 4 between the two pressure release structures 401 is suitable for being adhered to an adhesion area.
As shown in fig. 1 and 2, the case body 1 has a long side and a wide side, the long side of the exhaust structure 2 is parallel to the long side of the case body 1, and a plurality of rows of exhaust holes 201 are provided at intervals in the length direction of the exhaust structure 2; a plurality of electric cores are arranged in each row of accommodating cavities, and the electric cores are arranged in one-to-one correspondence with the rows of vent holes 201.
In other embodiments, the long side of the exhaust structure 2 may also be parallel to the wide side of the tank body 1, i.e. the exhaust structure 2 extends in the width direction of the tank body 1.
The case body 1 of the battery pack of the existing structure is provided with a longitudinal beam, the longitudinal beam is arranged in the middle of the width direction of the case body 1, and the longitudinal beam extends along the length direction of the case body 1. In order to ensure the strength of the case body 1, the longitudinal beam has a relatively wide width, which causes the longitudinal beam to occupy a relatively large battery pack space, thereby causing a reduction in battery capacity.
Alternatively, in one embodiment, a plurality of vent structures 2 are provided within the tank body 1, the vent structures 2 only having to form a vent channel having a thickness that is substantially less than the stringers. The exhaust structure 2 is of a thin-wall structure, the bottom of the exhaust structure 2 is fixed at the bottom of the box body 1, the structure replaces the original longitudinal beam through a plurality of exhaust structures 2, and the thickness of the plurality of exhaust structures 2 is smaller than that of the longitudinal beam so as to save the space of a battery pack; and meanwhile, the plurality of exhaust structures 2 are supported in the box body 1, so that the strength of the box body structure of the battery pack can be improved.
As shown in fig. 6, in one embodiment, the bottom of the exhaust structure 2 is provided with a horizontally extending mounting portion, which may be glued or welded to the bottom wall of the tank body 1.
For example, in one embodiment, six exhaust structures 2 are disposed in the case body 1, one exhaust structure 2 is disposed on each of two sides in the width direction of the case body 1, the remaining four exhaust structures 2 are disposed at equal intervals along the width direction of the case body 1, and the six exhaust structures 2 enclose five accommodating chambers, each accommodating chamber is adapted to be provided with a row of electric cells.
As shown in fig. 5 and 6, in one embodiment, a spacer 202 is disposed in the exhaust passage, the spacer 202 divides the exhaust passage into a plurality of independent air passages 203, and the air passages 203 are disposed in one-to-one correspondence with the pressure release structures 401 on both sides of the exhaust structure 2. The independent air passages 203 do not interfere with each other and do not circulate, so that the interference of the pressure relief structures 401 on two sides of each exhaust structure 2 and on the upper side and the lower side of each exhaust structure is prevented, and the smoothness and the safety of exhaust are ensured.
Four pressure relief structures 401 are arranged on two sides of the battery cell, and four pressure relief structures 401 correspond to two sides of each exhaust structure 2, and accordingly, the partition 202 divides the exhaust channel into four independent air channels 203.
In one embodiment, as shown in fig. 6, the longitudinal section of the spacer 202 is cross-shaped to divide the exhaust passage into four air passages 203. The spacers 202 are disposed throughout the length direction of the exhaust structure 2, and the spacers 202 may be integrally formed on the inner wall of the exhaust structure 2.
As shown in fig. 3 and 4, in one embodiment, the battery pack case structure further includes an air outlet structure 3 disposed in one-to-one correspondence with the air channels 203, one end of the air outlet structure 3 is communicated with the air channels 203, and the other end is communicated with the outside of the case body 1. The gas discharged from the gas passage 203 is guided to the outside of the tank body 1 through the gas outlet structure 3 to discharge the gas in a directed manner.
Specifically, as shown in fig. 4, in one embodiment, each air outlet structure 3 includes an air outlet pipe 301 and an air permeable valve 302, one end of the air outlet pipe 301 is connected to the air channel 203, and the other end is connected to an air cavity of the air permeable valve 302; the ventilation valve 302 is connected to the exhaust structure 2. The gas discharged through the pressure relief structure 401 flows to the exhaust pipe 301 through the air passage 203, and then is discharged out of the tank body 1 through the air-permeable valve 302.
As shown in fig. 4, in one embodiment, the end of the exhaust structure 2 is provided with an adapter 204, and the breather valve 302 is mounted on the adapter 204 to connect the breather valve 302 to the exhaust structure 2 via the adapter 204. The adaptor 204 is provided with a threaded hole, the threaded hole is communicated with the inner cavity of the exhaust pipe 301, and the breather valve 302 is arranged in the threaded hole. The four exhaust holes 201 at the end of each exhaust structure 2 are symmetrically arranged in pairs. The adaptor 204 is in a block shape, one side of the adaptor facing the exhaust structure 2 is provided with two clamping parts arranged at intervals, the clamping parts are clamped at the end part of the exhaust structure 2, and the clamping parts are welded on the exhaust structure 2.
As shown in fig. 1, 7 and 8, both side ends of the tank body 1 are provided with an end plate 101 and a side beam 102, respectively, and the side beam 102 is provided with a mounting hole. The side of the side beam 102 facing the exhaust structure 2 is provided with a recess. The top of the end part of the exhaust structure 2 is concavely arranged, and the end part of the exhaust structure 2 and the air outlet structure 3 are accommodated in the concave part. The breather valve 302 is mounted to the adapter 204 via a mounting hole.
According to an embodiment of the present utility model, in another aspect, there is provided a battery cell adapted to be placed in the above-mentioned battery pack case structure; as shown in fig. 9 and 10, the battery cell includes a housing 4 and a pole group disposed in the housing 4, at least two vertically spaced pressure release structures 401 are disposed on a side surface of the housing 4, and the housing 4 abuts against a side portion of the exhaust structure 2 so that an air outlet end of the pressure release structure 401 is communicated with the exhaust hole 201.
The side of electric core casing 4 is equipped with two at least vertical spaced pressure release structures 401, compares among the prior art and only sets up a pressure release structure 401 at the top of casing 4, can improve the exhaust velocity when electric core thermal runaway, improves electric core security.
The battery core is a square shell battery core. The two sides of the accommodating cavity of the battery pack box body structure are provided with the exhaust structures 2, correspondingly, the two sides of the battery cell shell 4 are provided with the pressure relief structures 401, and each side of the shell 4 is provided with at least two pressure relief structures 401, so that the number of pressure relief channels is increased, and the exhaust speed of the battery cell is improved.
Optionally, in one embodiment, two pressure release structures 401 are disposed on each small side of the battery cell, a blue film is not adhered to a windowing area between the two pressure release structures 401, and a casing 4 of the windowing area is adhered to an adhesion area of the exhaust channel through structural adhesive, so that the battery cell is stably maintained in the case body 1. The windowed area is not covered with a blue film to improve the bonding strength between the housing 4 and the exhaust structure 2.
As shown in fig. 10, in one embodiment, a sealing member 402 is disposed on the periphery of the pressure relief structure 401, and the sealing member 402 is disposed between the housing 4 and the exhaust structure 2 in a sealing manner, so as to prevent hot air from being discharged into the case body 1 through a gap between the housing 4 and the exhaust structure 2 in the exhaust process, thereby affecting the normal operation of the electrical appliance in the case body 1 and the service life of the electrical appliance.
Optionally, in one embodiment, the sealing element 402 is a sealing strip, and the sealing strip is fixed outside the pressure relief structure 401 by gluing.
In other embodiments, the seal 402 may also be a sealing ring, or any other form of seal 402 that is capable of sealing between the housing 4 and the exhaust structure 2.
Optionally, in one embodiment, the pressure relief structure 401 is an explosion-proof valve.
In other embodiments, the pressure relief structure 401 may also be an explosion-proof score provided on the surface of the housing 4.
According to an embodiment of the present utility model, in another aspect, there is provided a battery pack, as shown in fig. 11, including the above battery pack case structure and the above battery cells.
The battery pack with the structure is characterized in that the pressure relief structures 401 are arranged on the small surfaces on the left side and the right side of the inner battery core, the pressure relief structures 401 are matched with the exhaust holes 201 on the exhaust structures 2 on the two sides, so that hot air generated during thermal runaway of the battery core is effectively and rapidly discharged out of the box body structure of the battery pack, thermoelectric separation is realized, and the safety performance of the battery pack is improved.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A battery pack case structure, comprising:
a case body;
at least one exhaust structure arranged in the box body to divide the inner cavity of the box body into at least two accommodating cavities; the exhaust structure is provided with an exhaust channel, and two side parts of the exhaust structure facing the accommodating cavity are respectively provided with at least two exhaust holes which are vertically spaced; the exhaust holes are suitable for pressure release structures which are in one-to-one correspondence with the side surfaces of the battery cells; the outlet end of the exhaust passage extends out of the case body.
2. The battery pack case structure according to claim 1, wherein both sides of each of the accommodation chambers are provided with the exhaust structure.
3. The battery pack case structure according to claim 1 or 2, wherein a spacer is arranged in the exhaust passage, the spacer separates the exhaust passage into a plurality of independent air passages, and the air passages are arranged in one-to-one correspondence with the pressure release structures on both sides of the exhaust structure.
4. The battery pack case structure according to claim 1 or 2, wherein the long side of the vent structure is parallel to the long side of the case body, and a plurality of rows of the vent holes are provided at intervals in the longitudinal direction of the vent structure.
5. The battery pack case structure according to claim 3, further comprising an air outlet structure arranged in one-to-one correspondence with the air passages, wherein one end of the air outlet structure is communicated with the air passages, and the other end of the air outlet structure is communicated with the outside of the case body.
6. The battery pack case structure according to claim 5, wherein each of the air outlet structures comprises an air outlet pipe and an air-permeable valve, one end of the air outlet pipe is communicated with the air passage, and the other end is communicated with an air cavity of the air-permeable valve; the breather valve is connected to the exhaust structure.
7. The battery pack case structure according to claim 6, wherein an end of the exhaust structure is provided with an adapter, and the vent valve is mounted on the adapter.
8. A cell adapted to be placed within the battery pack case structure of any one of claims 1 to 7; the battery cell comprises a shell and a pole group arranged in the shell, wherein the side surface of the shell is provided with at least two pressure relief structures at vertical intervals, and the shell is abutted to the side part of the exhaust structure so that the air outlet end of the pressure relief structure is communicated with the exhaust hole.
9. The cell of claim 8, wherein a seal is disposed around the pressure relief structure, the seal being sealingly disposed between the housing and the vent structure.
10. A battery pack comprising the battery pack case structure of any one of claims 1 to 7 and the battery cell of claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669916.7U CN220138600U (en) | 2023-06-28 | 2023-06-28 | Battery package box structure, electric core and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669916.7U CN220138600U (en) | 2023-06-28 | 2023-06-28 | Battery package box structure, electric core and battery package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138600U true CN220138600U (en) | 2023-12-05 |
Family
ID=88951134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321669916.7U Active CN220138600U (en) | 2023-06-28 | 2023-06-28 | Battery package box structure, electric core and battery package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138600U (en) |
-
2023
- 2023-06-28 CN CN202321669916.7U patent/CN220138600U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3796412B1 (en) | Battery pack | |
| CN110828744B (en) | Battery, battery pack and electric vehicle | |
| CN210984839U (en) | Battery pack box, battery pack and electric vehicle | |
| CN211480235U (en) | Battery pack | |
| WO2023087909A1 (en) | Battery pack | |
| CN214625274U (en) | Battery pack and electric vehicle | |
| CN220138600U (en) | Battery package box structure, electric core and battery package | |
| CN220138558U (en) | Battery pack box and battery pack | |
| CN210489744U (en) | Membrane humidifier for vehicle fuel cell engine system | |
| KR20220060816A (en) | Air cooling type battery pack for electric vehicle | |
| CN218997005U (en) | Battery pack and vehicle | |
| WO2023151298A1 (en) | Battery module and electric vehicle | |
| CN217562756U (en) | Battery cell unit and assembly | |
| CN217544813U (en) | Battery box and battery package | |
| CN216529115U (en) | Battery pack | |
| CN217158514U (en) | Battery module and electric vehicle | |
| CN215731948U (en) | Battery pack | |
| CN212257515U (en) | Electric core isolation device of power battery pack of portable battery-replacing electric vehicle and power battery pack | |
| CN213660537U (en) | Novel lithium battery box for electric automobile | |
| CN113782899B (en) | Battery pack shell, battery pack and electric vehicle | |
| JP2008262864A (en) | Control valve type lead-acid battery | |
| CN113036276B (en) | Battery pack and electric vehicle | |
| CN218731518U (en) | Battery pack and vehicle | |
| CN216085094U (en) | Battery box, battery package and electric automobile | |
| CN220382228U (en) | Battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |