WO2023072224A1 - Module de cellule cylindrique - Google Patents
Module de cellule cylindrique Download PDFInfo
- Publication number
- WO2023072224A1 WO2023072224A1 PCT/CN2022/128120 CN2022128120W WO2023072224A1 WO 2023072224 A1 WO2023072224 A1 WO 2023072224A1 CN 2022128120 W CN2022128120 W CN 2022128120W WO 2023072224 A1 WO2023072224 A1 WO 2023072224A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylindrical
- bracket
- cell module
- explosion
- cylindrical cell
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims description 42
- 239000003292 glue Substances 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 17
- 239000000084 colloidal system Substances 0.000 claims description 16
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
Definitions
- the present application relates to the technical field of batteries, for example, to a cylindrical battery cell module.
- Battery service life and capacity decay are closely related to the temperature difference and temperature rise of the battery system.
- the battery module will generate a lot of heat when it is working. If the heat cannot be discharged in time, the temperature inside the battery module will continue to rise, which will affect the service life of the battery module, and even thermal runaway will cause the battery cell to catch fire and explode. wait.
- Thermal runaway refers to the phenomenon of overheating, fire, and explosion caused by the rapid change of battery temperature rise rate caused by the chain reaction of exothermic battery cells.
- the cells, modules, and battery systems are generally insulated and protected to avoid serious safety hazards caused by the rapid temperature rise of the battery pack during charging and discharging, and to avoid or suppress the occurrence of thermal runaway.
- the present application provides a cylindrical cell module, which can discharge the gas generated when the cell is thermally out of control, so as to prevent the cell from exploding.
- An embodiment of the present application provides a cylindrical cell module, including:
- bracket is arranged in the housing, and an exhaust component is arranged on the bracket;
- a battery pack, the above-mentioned battery pack is placed on the above-mentioned bracket;
- bus bar is connected to the battery pack
- Protrusions are provided on the side of the housing close to the bottom of the bracket, flow passages are formed between the protrusions, and the flow passages communicate with the exhaust components;
- the above-mentioned explosion-proof valve is arranged on the above-mentioned casing, and the above-mentioned explosion-proof valve is configured so that when the above-mentioned explosion-proof valve is opened, the gas in the above-mentioned flow channel can be discharged from the above-mentioned casing through the above-mentioned explosion-proof valve.
- the above-mentioned bracket and the above-mentioned housing are bonded by a first glue.
- the first colloid is disposed between the protrusion and the bracket.
- a first glue overflow groove is provided at the bottom of the bracket, and the first glue overflow groove can accommodate the first glue.
- the battery pack includes a plurality of cylindrical cells arranged in sequence to form a plurality of rows, and the plurality of rows are arranged in parallel.
- it further includes a liquid cooling plate, and the liquid cooling plate is wound between each row of the above-mentioned rows.
- the bracket is provided with a mounting slot, and the cylindrical cell is plugged into the mounting slot.
- the above-mentioned installation groove and the above-mentioned cylindrical battery cell are bonded by the second glue.
- the exhaust component is disposed at the bottom of the installation groove, and a second glue overflow groove is provided on the inner wall of the exhaust component.
- a limit portion is provided on the edge of the bracket, and the limit portion is configured to limit the liquid cooling plate.
- the support is connected to the housing through the first colloid, and the cylindrical battery cell is connected to the installation groove through the second colloid.
- the installation efficiency can be improved, and it is convenient Automated manufacturing.
- Fig. 1 is an exploded view of the structure of the cylindrical cell module provided by the embodiment of the present application;
- Fig. 2 is a schematic structural view of the bracket provided by the embodiment of the present application.
- Fig. 3 is a partial enlarged view at A of Fig. 2;
- Fig. 4 is a schematic structural view of the bottom of the housing provided by the embodiment of the present application.
- Fig. 5 is a bottom view of the bracket structure provided by the embodiment of the present application.
- Fig. 6 is a schematic structural diagram of a liquid cold plate provided in an embodiment of the present application.
- Fig. 7 is a schematic structural diagram of a cylindrical cell module provided in an embodiment of the present application.
- connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components.
- connection can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components.
- a first feature being “on” or “under” a second feature may include the first feature being in direct contact with the second feature, and may also include the first feature and the second feature. Two features are not in direct contact but through another feature between them. Moreover, “above”, “above” and “above” the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below”, “beneath” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
- a cylindrical battery module (for example: a new type of cylindrical battery module) is provided, as shown in Figure 1 and Figure 7, the cylindrical battery module It includes a housing 100, a bracket 200, a battery pack 300, a bus bar 400 and an explosion-proof valve 130, wherein the bracket 200 is set in the housing 100, an exhaust component 210 is provided on the bracket 200, and the battery pack 300 is set on the bracket 200,
- the battery pack 300 includes a plurality of cylindrical batteries 310, the bracket 200 is configured to fix the battery pack 300, the bus bar 400 is connected to the battery pack 300, and the electric energy in the battery pack 300 is converged and then output.
- a protrusion 121 on one side, and a flow channel 122 is formed between the protrusion 121 and the protrusion 121.
- the flow channel 122 communicates with the exhaust component 210 on the bracket 200, and the gas generated when the battery pack 300 is damaged is released through the exhaust component 210 Into the flow channel 122 , an explosion-proof valve 130 is provided on the housing 100 , and the gas in the flow channel 122 can be discharged from the housing 100 through the explosion-proof valve 130 when the explosion-proof valve 130 is opened.
- the flow channels 122 are formed between the protrusions 121, and the exhaust part 210 is provided on the bracket 200 to communicate with the flow channels 122, when a single cylindrical cell 310 in the battery pack 300
- the high-temperature and high-pressure gas generated is released from the exhaust part 210 on the bracket 200 into the flow channel 122, and finally the explosion-proof valve 130 is opened, so that the gas in the flow channel 122 is discharged from the housing 100, which can avoid the thermal runaway caused by
- the occurrence of the explosion phenomenon ensures the working performance of the cylindrical battery cell 310 without thermal runaway, improves the safety performance of the cylindrical battery cell module, reduces the loss of the cylindrical battery cell 310 when the thermal runaway occurs, and saves costs.
- the housing 100 may include an upper cover 110 and a lower cover 120.
- the upper cover 110 and the lower cover 120 may be connected by welding. Connecting the upper cover plate 110 and the lower cover plate 120 in this way can improve installation efficiency and facilitate automatic assembly.
- the housing 100 can be made of aluminum alloy, which has good mechanical properties, light weight and low cost.
- the casing 100 can be integrally formed by extruding aluminum.
- an end plate 800 can be provided on the casing 100 to facilitate the connection between the above-mentioned cylindrical cell modules through the end plate 800, and to connect the above-mentioned cylindrical cell modules to other device to connect.
- the end plate 800 can be arranged on the side wall of the housing 100, and according to actual needs, one or more end plates 800 can be arranged; in other embodiments, the end plate 800 can also be arranged on Other parts of the housing 100 can be set according to actual needs.
- the end plate 800 can be connected to the housing 100 by bolts, or can be connected to the housing 100 by welding; it can also be connected to the housing 100 by other means, as long as the housing 100 can be fixedly connected to the end plate 800 The way.
- the battery pack 300 includes a plurality of cylindrical cells 310, which can be arranged in sequence to form a plurality of rows 30, which can be arranged in parallel.
- the electric core 310 is cylindrical, so the cylindrical electric cores 310 between adjacent rows 30 can be arranged alternately, so that one cylindrical electric core 310 in one row 30 is placed in two adjacent rows 30 Between the cylindrical cells 310, the occupied space of the battery pack 300 can be saved, and the structure of the above-mentioned cylindrical cell module can be made more compact.
- the exhaust component 210 can be an exhaust hole arranged at the bottom of the bracket 200, and the exhaust hole communicates with the flow channel 122; in other embodiments, the exhaust component 210 can also be arranged on the side wall of the bracket 200 The exhaust channel on the top, the exhaust channel communicates with the flow channel 122, and the arrangement of the exhaust component 210 can be designed according to actual needs, as long as it can ensure that the gas generated by the cylindrical cell 310 can be discharged into the flow channel 122 through the exhaust component Structure.
- a mounting groove 230 can be provided on the bracket 200, and the cylindrical battery cell 310 can be inserted into the mounting groove 230.
- the mounting groove 230 can play a role in radially positioning the cylindrical battery cell 310, Avoid skewing of the cylindrical battery cell 310 , so that the cylindrical battery cell 310 cannot be connected to the bus bar 400 , which will affect the power of the above-mentioned cylindrical battery cell module.
- the cylindrical battery cell 310 in order to achieve an axial positioning effect on the cylindrical battery cell 310 , the cylindrical battery cell 310 can be bonded in the installation groove 230 by the second glue 700 , and the cylinder can be fixed by the second glue 700 The battery cell 310 can improve the assembly efficiency of the above-mentioned cylindrical battery cell module, and is beneficial to automatic production.
- the second colloid 700 can be a structural glue, which has high strength, can withstand a large load, and is resistant to aging, fatigue, and corrosion, and has stable performance within the expected service life; in other embodiments , the second colloid 700 may also be a thermally conductive adhesive, which has good thermal conductivity, can improve the heat dissipation effect of the cylindrical battery cell 310 , and has strong adhesive force and high hardness after curing.
- a vent hole can be provided at the bottom of the installation groove 230 , and the inner diameter of the vent hole should be smaller than the diameter of the installation groove 230 to ensure the support of the installation groove 230 to the cylindrical cell 310 . Since it is difficult to accurately control the amount of the second colloid 700 when applying glue, it is easy to cause excessive glue application. In order to avoid excess colloid from overflowing, as shown in Figure 3, a second colloid can be set on the inner wall of the vent hole. The overflowing glue tank 250 accommodates the excess second glue 700 to prevent the second glue 700 from overflowing to other parts of the bracket 200, thereby affecting the installation of the cylindrical cell module.
- the protrusions 121 can be arranged along the length direction of the housing 100, and the protrusions 121 include a plurality, and the plurality of protrusions 121 are arranged at intervals, and the protrusions 121 and the protrusions 121 The spaces therebetween form flow channels 122 .
- the protrusion 121 should be set away from the exhaust hole.
- the adjacent flow channels 122 can be separated by the protrusions 121 , preventing high temperature and high pressure gas from escaping into other flow channels 122 , thereby affecting other normal cylindrical cells 310 .
- the bracket 200 in order to fix the bracket 200 in the housing 100 , the bracket 200 can be bonded to the bottom of the housing 100 through the first glue 500 , and the bracket 200 can be fixed through the first glue 500 , which can improve The assembly efficiency of the above-mentioned cylindrical cell module is conducive to automatic production.
- the first colloid 500 can be a structural glue, which has high strength, can bear a large load, and is resistant to aging, fatigue, and corrosion, and has stable performance within the expected service life; in other embodiments , the first colloid 500 may also be a thermally conductive adhesive, which has good thermal conductivity, can improve the heat dissipation effect of the cylindrical battery cell 310 , and has strong adhesive force and high hardness after curing.
- a glue overflow groove 220 which accommodates the redundant first glue 500, prevents the first glue 500 from overflowing to other parts of the bracket 200, thereby affecting the installation of the flow channel 122 and the above-mentioned cylindrical battery module, the depth of the first glue overflow groove 220 0.3 mm to 0.5 mm, for example, 0.3 mm, 0.4 mm, and 0.5 mm.
- the first colloid 500 can be disposed between the protrusion 121 and the housing 100 , which can increase the space of the flow channel 122 , optimize the installation structure, and improve the rigidity of the cylindrical cell module.
- a liquid cooling plate 600 can also be provided in the above-mentioned cylindrical cell module, and the liquid cooling plate 600 is wound between the rows of cylindrical cells 310 30 to ensure that each cylindrical cell 310 is compatible with The liquid cooling plate 600 is in contact with the battery. Since the optimal working temperature of the battery is between 20 degrees Celsius (°C) and 35 degrees Celsius (°C), too high or too low a temperature will affect the service life of the battery, so the liquid cooling plate 600 can be used to The working temperature of the cylindrical battery cell 310 is guaranteed, and the service life of the cylindrical battery cell 310 is improved. According to actual production needs, one or more liquid cooling plates 600 may be provided.
- the liquid cooling plate 600 includes a liquid inlet 610, a liquid outlet 620 and a channel 630, the channel 630 communicates with the liquid inlet 610 and the liquid outlet 620, and the liquid inlet 610 and the The liquid outlet 620 is pierced through the housing 100.
- hot water can be introduced into the channel 630 through the liquid inlet 610 to increase the temperature of the cylindrical battery cell 310 and pass through the liquid outlet.
- 620 discharges the hot water after heat dissipation.
- the liquid cooling plate 600 is working, the liquid in the channel 630 keeps flowing; The temperature of the cylindrical battery cell 310 is controlled, and the heated cold water is discharged through the liquid outlet 620.
- the liquid in the channel 630 keeps flowing.
- the liquid cooling plate 600 can be welded and formed by bending metal materials, such as aluminum alloy or copper, and is connected by welding, which is simple to manufacture and has good sealing performance.
- an insulating layer may be sprayed on the surface of the liquid cooling plate 600 to prevent the liquid cooling plate 600 from conducting electricity.
- thermal conductive silica gel can be pasted on the surface of the liquid cold plate 600.
- the thermal conductive silica gel itself has thermal conductivity and good elasticity.
- the liquid cooling plate 600 is wound between the cylindrical cells 310, and the temperature can be transferred to the cylindrical cells 310 by utilizing the thermal conductivity of the thermal silica gel, and the liquid cooling plate 600 is tightly attached to the cylindrical cells 310 by utilizing the deformation ability of the thermal silica gel.
- a limiting portion 240 may be provided on an edge of the bracket 200 , and the limiting portion 240 is configured to limit the circumferential direction of the liquid cooling plate 600 to ensure the reliability of the liquid cooling plate 600 .
- a notch can be provided on the limiting part 240 for heat dissipation, and at the same time, the weight of the above-mentioned cylindrical cell module can be reduced. Length direction interval setting.
- the limit position can be set on opposite sides of the bracket 200 , and can also be set around the bracket 200 .
- protrusions 121 are provided at the bottom of the housing 100, flow channels 122 are formed between the protrusions 121, and an exhaust component 210 communicating with the flow channels 122 is provided on the bracket 200.
- the high-temperature and high-pressure gas generated by the cylindrical battery cell 310 can be discharged into the flow channel 122 through the exhaust component 210, and discharged through the explosion-proof valve 130 arranged at the bottom of the housing 100 to avoid
- the explosion of the battery cell 310 affects the normal operation of other cylindrical battery cells 310, improves the safety performance of the above-mentioned cylindrical battery cell module, reduces the loss when the battery core is thermally out of control, and saves costs; by setting the liquid cooling plate 600 between the cylindrical battery cells 310 , can adjust the working temperature of the cylindrical battery cell 310, improve the service life of the cylindrical battery cell 310 and the working reliability of the above-mentioned cylindrical battery cell module; connect the
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
La présente demande concerne un module de cellule cylindrique. Le module de cellule cylindrique comprend une coque, un support, un bloc-batterie, une barre omnibus et une soupape antidéflagrante. Le support est disposé dans la coque ; une partie d'évacuation est disposée au fond du support ; le bloc-batterie est placé sur le support ; la barre omnibus est connectée au bloc-batterie ; le côté de la coque à proximité du fond du support est pourvu de saillies ; un canal d'écoulement est formé entre les saillies ; le canal d'écoulement est en communication avec la partie d'échappement ; la soupape antidéflagrante est disposée sur la coque ; la soupape antidéflagrante est configurée de telle sorte que, lorsque la soupape antidéflagrante est ouverte, le gaz dans le canal d'écoulement peut être évacué de la coque à travers la soupape antidéflagrante, de telle sorte que le gaz généré lorsqu'un emballement thermique d'un élément de batterie se produit peut être évacué, et une explosion de cellule est évitée.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122613040.1U CN216529180U (zh) | 2021-10-28 | 2021-10-28 | 一种新型圆柱电芯模组 |
CN202122613040.1 | 2021-10-28 |
Publications (1)
Publication Number | Publication Date |
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WO2023072224A1 true WO2023072224A1 (fr) | 2023-05-04 |
Family
ID=81524862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2022/128120 WO2023072224A1 (fr) | 2021-10-28 | 2022-10-28 | Module de cellule cylindrique |
Country Status (2)
Country | Link |
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CN (1) | CN216529180U (fr) |
WO (1) | WO2023072224A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116914327A (zh) * | 2023-09-14 | 2023-10-20 | 厦门海辰储能科技股份有限公司 | 液冷模组、储能装置及储能系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN216529180U (zh) * | 2021-10-28 | 2022-05-13 | 湖北亿纬动力有限公司 | 一种新型圆柱电芯模组 |
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CN113540651A (zh) * | 2021-08-25 | 2021-10-22 | 湖北亿纬动力有限公司 | 动力电池模组及车辆 |
CN216529180U (zh) * | 2021-10-28 | 2022-05-13 | 湖北亿纬动力有限公司 | 一种新型圆柱电芯模组 |
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2021
- 2021-10-28 CN CN202122613040.1U patent/CN216529180U/zh active Active
-
2022
- 2022-10-28 WO PCT/CN2022/128120 patent/WO2023072224A1/fr unknown
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CN208797082U (zh) * | 2018-11-13 | 2019-04-26 | 宁德时代新能源科技股份有限公司 | 一种电池包 |
CN113410572A (zh) * | 2020-03-16 | 2021-09-17 | 沃尔沃汽车公司 | 用于电池模块的覆盖件 |
CN111769222A (zh) * | 2020-06-12 | 2020-10-13 | 上汽通用汽车有限公司 | 电池模组及电池包 |
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Cited By (2)
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CN116914327B (zh) * | 2023-09-14 | 2023-12-26 | 厦门海辰储能科技股份有限公司 | 液冷模组、储能装置及储能系统 |
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