CN220041991U - Lithium sulfur battery module - Google Patents
Lithium sulfur battery module Download PDFInfo
- Publication number
- CN220041991U CN220041991U CN202321408461.3U CN202321408461U CN220041991U CN 220041991 U CN220041991 U CN 220041991U CN 202321408461 U CN202321408461 U CN 202321408461U CN 220041991 U CN220041991 U CN 220041991U
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- CN
- China
- Prior art keywords
- sulfur battery
- lithium sulfur
- lithium
- ventilation
- battery pack
- 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.)
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- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000009423 ventilation Methods 0.000 claims abstract description 74
- 238000004806 packaging method and process Methods 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium sulfur battery module, which relates to the field of lithium sulfur batteries and comprises a plurality of lithium sulfur battery units, a battery shell, a plurality of auxiliary ventilation grooves, a plurality of auxiliary ventilation fans and a plurality of limiting ventilation assemblies; wherein, a plurality of lithium sulfur battery units are arranged and integrated in a preset form to form a lithium sulfur battery pack; the battery shell is arranged at the outer side of the lithium sulfur battery pack and comprises a plurality of packaging plates arranged at the outer side of the lithium sulfur battery pack; the auxiliary ventilation grooves correspondingly penetrate through and are formed in the two oppositely arranged packaging plates. Through set up ventilation groove and ventilation fan on lithium sulfur battery module's shell, can carry out the supplementary ventilation heat dissipation of initiative to lithium sulfur battery group for improve lithium sulfur battery group's radiating efficiency, reduce lithium sulfur battery group's high probability of temperature, protect lithium sulfur battery group's normal use etc. simultaneously, the cooperation sets up restriction ventilation unit, can seal the protection to lithium sulfur battery group at lithium sulfur battery group when need not supplementary heat dissipation, cooperation shell.
Description
Technical Field
The utility model relates to the field of lithium sulfur batteries, in particular to a lithium sulfur battery module.
Background
The lithium-sulfur battery takes elemental sulfur as a positive electrode (in practical application, a positive electrode material is usually a composite material of sulfur and carbon and is used for improving the conductivity of the elemental sulfur), and lithium metal is taken as a negative electrode.
At present, a main body part of the lithium sulfur battery module is generally composed of a shell, a plurality of battery units, a frame used for fixing the battery units and the like, wherein the frame is generally an integral magnesium alloy rectangular frame with a reinforcing beam, the weight of the module can be reduced while the strength of the module is ensured, and meanwhile, heat conduction structural adhesive is injected between the frame and the battery units to improve the integrity of the module and the like.
However, the existing lithium sulfur battery module still has some problems, such as: in the aspect of heat dissipation, heat conducting fins are arranged between battery units to dissipate heat, so that the heat dissipation mode is passive, the heat diffusion efficiency is poor, the problems of heat concentration, uneven temperature distribution and the like are easily caused, the temperature of a module is too high, and the use is affected due to damage and the like.
Disclosure of Invention
The utility model aims to: the present utility model is directed to the above drawbacks and provides a lithium sulfur battery module to solve the above problems of the prior art.
The technical scheme is as follows: a lithium sulfur battery module comprises a plurality of lithium sulfur battery units, a battery shell, a plurality of auxiliary ventilation grooves, a plurality of auxiliary ventilation fans and a plurality of limiting ventilation assemblies;
wherein, a plurality of lithium sulfur battery units are arranged and integrated in a preset form to form a lithium sulfur battery pack;
the battery shell is arranged at the outer side of the lithium sulfur battery pack and used for packaging the lithium sulfur battery pack, and comprises a plurality of packaging plates arranged at the outer side of the lithium sulfur battery pack;
the auxiliary ventilation grooves are correspondingly and penetratingly arranged on the two oppositely arranged packaging plates and used for ventilating and radiating the lithium-sulfur battery pack, and the outer sides of the auxiliary ventilation grooves are correspondingly provided with auxiliary ventilation fans which are arranged on the packaging plates and used for assisting the lithium-sulfur battery pack to radiate;
the plurality of limiting ventilation assemblies are correspondingly arranged between the plurality of auxiliary ventilation grooves and the plurality of auxiliary ventilation fans and used for carrying out ventilation protection on the lithium sulfur battery pack.
In a further embodiment, the restrictive venting assembly includes an impurity baffle and a plurality of restrictive venting holes;
the impurity baffle is arranged at a preset position in the auxiliary ventilation groove;
the plurality of limiting vent holes correspondingly penetrate through and are arranged at preset positions on the impurity baffle plate and are used for being matched with the auxiliary ventilating fan to assist the lithium sulfur battery pack in ventilation and heat dissipation.
In a further embodiment, the restricted ventilation assembly further comprises a plurality of sealing stops;
the sealing check blocks are arranged in the limiting vent holes in a sliding mode and used for conducting ventilation protection on the lithium-sulfur battery pack.
In a further embodiment, the restricted ventilation assembly further comprises a through hole, a slide post, a connecting frame, a limiting plate and a return spring;
wherein the through hole penetrates through the middle part of the impurity baffle;
the sliding column is matched with the through hole and is connected with the connecting frame between the plurality of sealing check blocks, one end of the sliding column, which is far away from the connecting frame, is connected with the limiting plate, and a return spring is connected between the limiting plate and the impurity baffle plate and is used for driving the plurality of sealing check blocks to be correspondingly clamped into the plurality of limiting vent holes in a matched mode.
In a further embodiment, the device further comprises an integrated mold frame;
the integrated mold-returning frame is arranged between the battery shell and the lithium-sulfur battery pack and used for fastening the lithium-sulfur battery pack, and the integrated mold-returning frame is further provided with a reinforcing beam and used for improving the strength of the lithium-sulfur battery pack.
In a further embodiment, a plurality of thermally conductive graphite sheets is also included;
the plurality of heat-conducting graphite sheets are arranged at preset positions among the plurality of lithium sulfur battery cells and used for assisting the plurality of lithium sulfur battery cells to dissipate heat.
The beneficial effects are that: the utility model discloses a lithium sulfur battery module, which is characterized in that a ventilation groove and a ventilation fan are arranged on a shell of the lithium sulfur battery module, so that the lithium sulfur battery module can actively and auxiliary ventilate and dissipate heat, the lithium sulfur battery module is used for improving the heat dissipation efficiency of the lithium sulfur battery module, reducing the possibility of overhigh temperature of the lithium sulfur battery module, protecting the normal use of the lithium sulfur battery module and the like, and simultaneously, the lithium sulfur battery module can be sealed and protected by the shell when the lithium sulfur battery module does not need auxiliary heat dissipation.
Drawings
Fig. 1 is an exploded view of a restricted ventilation assembly of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic structural diagram of the whole present utility model.
The reference numerals in the drawings are as follows: 1. lithium sulfur battery cell, 2 battery housing, 3 auxiliary ventilation slot, 4 auxiliary ventilation fan, 5 restrictive ventilation assembly, 501 impurity baffle, 502 restrictive ventilation hole, 503 sealing block, 504 through hole, 505 sliding column, 506 connecting frame, 507 limiting plate.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
The applicant believes that in the aspect of heat dissipation, a heat conducting fin is arranged between battery units to conduct heat dissipation, so that a heat dissipation mode is passive, heat dissipation efficiency is poor, problems of heat concentration, uneven temperature distribution and the like are easily caused, and the temperature of the module is too high to cause damage, influence and the like.
To this end, the applicant proposes a lithium sulfur battery module, as shown in fig. 1 to 3, comprising an integrated mold frame, a plurality of thermally conductive graphite sheets, a plurality of lithium sulfur battery cells 1, a battery case 2, a plurality of auxiliary ventilation slots 3, a plurality of auxiliary ventilation fans 4, and a plurality of restricted ventilation assemblies 5.
The lithium sulfur battery units 1 are arranged and integrated in a preset mode to form a lithium sulfur battery pack, the battery shell 2 is arranged outside the lithium sulfur battery pack and used for packaging the lithium sulfur battery pack, the packaging plates are arranged outside the lithium sulfur battery pack, the integrated mold-returning frame is arranged between the battery shell 2 and the lithium sulfur battery pack and used for fastening the lithium sulfur battery pack, the integrated mold-returning frame is further provided with a reinforcing beam and used for improving the strength of the lithium sulfur battery pack, and the heat conducting graphite sheets are arranged at preset positions among the lithium sulfur battery units 1 and used for assisting the heat dissipation of the lithium sulfur battery units 1.
In the present utility model, the specific structures and principles of the integrated circuit type frame, the heat conductive graphite sheet, the lithium sulfur battery cell 1 and the battery case 2 may refer to the related structures and principles of the lithium sulfur battery module in the prior art, for example: the integrated back frame can be made of magnesium alloy materials and provided with a stiffening beam, the strength of the module can be ensured, the weight can be reduced, and the like, and the heat-conducting graphite sheet can be provided with a silica gel frame and can be used for improving the heat diffusion efficiency of the module in the use process.
However, the applicant believes that the existing module dissipates heat by using such a heat dissipation mode of the heat-conducting graphite flake, only passively dissipates heat, and has lower heat dissipation efficiency, so that the auxiliary ventilation grooves 3 and the auxiliary ventilation fans 4 are arranged, wherein the auxiliary ventilation grooves 3 correspondingly penetrate through two oppositely arranged packaging boards and are used for ventilating and dissipating heat of the lithium-sulfur battery pack, and the auxiliary ventilation fans 4 which are arranged on the packaging boards and are used for assisting the heat dissipation of the lithium-sulfur battery pack are correspondingly arranged and mounted on the outer sides of the auxiliary ventilation grooves 3.
However, in the prior art, in order to improve the heat dissipation efficiency, a plurality of battery modules including a lithium sulfur battery module are generally provided with a heat dissipation slot on a module housing to be matched with a fan for ventilation and heat dissipation, for example, the auxiliary ventilation slot 3 and the auxiliary ventilation fan 4 in the present utility model are matched with each other to realize heat dissipation of the lithium sulfur battery unit 1 in the module, that is, to actively dissipate heat of the lithium sulfur battery unit 1, but such a manner still has some problems, for example: the arrangement of the auxiliary ventilation slot 3 and the openness of the auxiliary ventilation fan 4 may lead to the entry of external dust impurities, water vapor and the like into the battery case 2, possibly causing pollution of the lithium-sulfur battery unit 1, causing damage to the lithium-sulfur battery unit 1 and the like, and thus the ventilation limiting assembly 5 is arranged.
Specifically, as shown in fig. 1-2, a plurality of limiting ventilation assemblies 5 are correspondingly disposed between the plurality of auxiliary ventilation slots 3 and the plurality of auxiliary ventilation fans 4 for ventilation protection of the lithium sulfur battery pack, and the limiting ventilation assemblies 5 include an impurity baffle 501, a plurality of limiting ventilation holes 502, a plurality of sealing stoppers 503, through holes 504, a sliding column 505, a connecting frame 506, a limiting plate 507, and a return spring.
The impurity baffle 501 is disposed at a predetermined position in the auxiliary ventilation slot 3, the plurality of limiting vent holes 502 correspondingly penetrate through the predetermined position on the impurity baffle 501 for matching with the auxiliary ventilation fan 4 to assist the lithium sulfur battery pack in ventilation and heat dissipation, the plurality of sealing stop blocks 503 are slidably disposed in the plurality of limiting vent holes 502 for ventilation and protection of the lithium sulfur battery pack, the through holes 504 penetrate through the middle of the impurity baffle 501, the sliding columns 505 are matched with the through holes 504 and are connected with the connecting frame 506 with the plurality of sealing stop blocks 503, one end of the sliding columns 505, which is far away from the connecting frame 506, is connected with the limiting plate 507, a return spring is connected between the limiting plate 507 and the impurity baffle 501 for matching with the plurality of sealing stop blocks 503 to be correspondingly clamped into the plurality of limiting vent holes 502.
In the utility model, at least one auxiliary ventilation groove 3 is correspondingly and penetratingly arranged on two opposite packaging plates, auxiliary ventilation fans 4 which are correspondingly arranged on the two packaging plates and used for air inlet and air outlet are correspondingly arranged on the outer sides of the two opposite auxiliary ventilation grooves 3 respectively, corresponding limiting plates 507 on the air inlet side are arranged on one side of an impurity baffle 501 close to the auxiliary ventilation fans 4, a connecting frame 506 is arranged on one side of the impurity baffle 501 far away from the auxiliary ventilation fans 4, and the arrangement positions of the limiting plates 507 on the air outlet side and the connecting frame 506 are just opposite to the above.
When the lithium sulfur battery unit is used, two corresponding auxiliary ventilating fans 4 are started, the sealing check blocks 503 are driven by preset wind power to slide out of the limiting vent holes 502, heat among the lithium sulfur battery units 1 can be dissipated out of the lithium sulfur battery units 1 through the limiting vent holes 502, in the process, the sealing check blocks 503 drive the sliding columns 505 to slide in the through holes 504 through the connecting frame 506, the limiting plates 507 are driven to move, and accordingly the restoring springs are driven to deform, when the auxiliary ventilating fans 4 stop working, the restoring springs drive the sliding columns 505 to slide reversely in the through holes 504, the sealing check blocks 503 are driven by the connecting frame 506 to slide into the limiting vent holes 502, and sealing protection of the lithium sulfur battery units 1 can be realized by matching with the battery case 2.
That is, when the battery case 2 needs auxiliary heat dissipation, the auxiliary ventilation fan 4 is started to drive the limiting vent 502 to open, ventilation and heat dissipation can be performed, when the battery case 2 is idle and auxiliary heat dissipation is not needed, the auxiliary ventilation fan 4 is closed to enable the limiting vent 502 to be closed, and the battery case 2 can be matched for sealing protection of a plurality of lithium sulfur battery units 1.
As above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A lithium sulfur battery module, comprising:
a plurality of lithium sulfur battery cells arranged and integrated in a predetermined form to form a lithium sulfur battery pack;
the battery shell is arranged at the outer side of the lithium sulfur battery pack and used for packaging the lithium sulfur battery pack, and comprises a plurality of packaging plates arranged at the outer side of the lithium sulfur battery pack;
the auxiliary ventilation grooves are correspondingly and penetratingly arranged on the two packaging plates which are oppositely arranged and used for ventilating and radiating the lithium-sulfur battery pack, and the outer sides of the auxiliary ventilation grooves are correspondingly provided with auxiliary ventilation fans which are arranged on the packaging plates and used for assisting the lithium-sulfur battery pack to radiate;
the plurality of limiting ventilation assemblies are correspondingly arranged between the plurality of auxiliary ventilation grooves and the plurality of auxiliary ventilation fans and used for carrying out ventilation protection on the lithium-sulfur battery pack.
2. The lithium sulfur battery module according to claim 1, wherein: the restricted ventilation assembly includes:
the impurity baffle is arranged at a preset position in the auxiliary ventilation groove;
and the plurality of limiting vent holes are correspondingly and penetratingly arranged at the preset positions on the impurity baffle plate and are used for being matched with the auxiliary ventilating fan to assist the lithium-sulfur battery pack to ventilate and dissipate heat.
3. The lithium sulfur battery module according to claim 2, wherein: the restricted ventilation assembly further includes:
the sealing check blocks are arranged in the limiting vent holes in a sliding mode and used for conducting ventilation protection on the lithium-sulfur battery pack.
4. A lithium sulfur battery module according to claim 3, wherein: the restricted ventilation assembly further includes:
the through hole penetrates through the middle of the impurity baffle;
the sliding column is matched with the through hole and connected with the connecting frame between the plurality of sealing check blocks, one end of the sliding column, which is far away from the connecting frame, is connected with a limiting plate, and a return spring is connected between the limiting plate and the impurity baffle plate and used for driving the plurality of sealing check blocks to be correspondingly clamped into the plurality of limiting vent holes in a matched mode.
5. The lithium sulfur battery module according to claim 1, wherein: further comprises:
the integrated mold-returning frame is arranged between the battery shell and the lithium-sulfur battery pack and used for fastening the lithium-sulfur battery pack, and the integrated mold-returning frame is also provided with a reinforcing beam used for improving the strength of the lithium-sulfur battery pack.
6. The lithium sulfur battery module according to claim 1, wherein: further comprises:
the heat conduction graphite sheets are arranged at preset positions among the lithium sulfur battery units and used for assisting the lithium sulfur battery units to dissipate heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321408461.3U CN220041991U (en) | 2023-06-05 | 2023-06-05 | Lithium sulfur battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321408461.3U CN220041991U (en) | 2023-06-05 | 2023-06-05 | Lithium sulfur battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041991U true CN220041991U (en) | 2023-11-17 |
Family
ID=88726944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321408461.3U Active CN220041991U (en) | 2023-06-05 | 2023-06-05 | Lithium sulfur battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041991U (en) |
-
2023
- 2023-06-05 CN CN202321408461.3U patent/CN220041991U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |