CN110168768A - Battery module and vehicle including the battery module - Google Patents

Battery module and vehicle including the battery module Download PDF

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Publication number
CN110168768A
CN110168768A CN201780082495.9A CN201780082495A CN110168768A CN 110168768 A CN110168768 A CN 110168768A CN 201780082495 A CN201780082495 A CN 201780082495A CN 110168768 A CN110168768 A CN 110168768A
Authority
CN
China
Prior art keywords
gasket
battery module
case frame
cover board
depressed section
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.)
Granted
Application number
CN201780082495.9A
Other languages
Chinese (zh)
Other versions
CN110168768B (en
Inventor
G.波沙尔尼格
G.扎夫卡
G.斯坦纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung SDI Co Ltd
Original Assignee
Samsung SDI Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP17150496.2A external-priority patent/EP3346518B1/en
Application filed by Samsung SDI Co Ltd filed Critical Samsung SDI Co Ltd
Publication of CN110168768A publication Critical patent/CN110168768A/en
Application granted granted Critical
Publication of CN110168768B publication Critical patent/CN110168768B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6554Rods or plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222Inorganic material
    • H01M50/224Metals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

Disclose a kind of battery module and the vehicle including the battery module.The battery module of an exemplary embodiment according to the present invention includes: shell, including multiple battery units, substrate plate, case frame and cover board;And gasket, it is plugged between case frame and substrate plate and between case frame and cover board respectively, wherein case frame has stairstepping in face of the upper flange of cover board and the lower flange in face of substrate plate of case frame, the stairstepping includes to the recess of the interior open of shell plates, and gasket is arranged in the recess.

Description

Battery module and vehicle including the battery module
Technical field
The present invention relates to a kind of battery module and including the vehicle of the battery module, more particularly, to wherein battery The gasket (gasket) of module housing has the battery module particularly designed and the vehicle including the battery module.
Background technique
Rechargeable battery and one-shot battery are the difference is that being charged and discharged can be repeated, and one-shot battery The irreversible transformation that electric energy can chemically be arrived only is provided.
Low capacity rechargeable battery be used as compact electronic device such as portable phone, laptop computer, computer and The power supply of field camera, high capacity rechargeable cell are used as the power supply of vehicle.
Rechargeable battery may include: electrode assembly, including positive electrode, negative electrode and be plugged in positive electrode and negative electricity Partition between pole;Shell, for accommodate electrod component wherein;And electrode terminal, it is electrically connected to electrode assembly.
Electrolyte solution is injected into shell so that battery can be by the electrification of positive electrode, negative electrode and electrolyte solution It learns reaction and is charged and discharged.For example, the shape (its can be cylindrical or rectangle) of shell can according to the purposes of battery and It is different.
Rechargeable battery in the form of including the battery module for the multiple unit cells units being connected in series or in parallel to make With, thus provide high-energy density for run such as hybrid vehicle.
It is, battery module can according to realize high power rechargeable battery needed for electricity (such as electronic Vehicle) and interconnect multiple unit cells units.The large-sized battery system used in electric vehicle may include 3 to 1000 electricity Pool unit.Such battery unit may be provided as multiple battery modules, 10 to 20 battery lists in each battery module Member is included in general shell.
Battery module is configurable to block type or modular type.In the case where block type, each battery can be connected to public Collector and common battery management system, and can have shell.
In the case where modular type, multiple battery units are connected to constitute submodule, and multiple submodule is connected To constitute one in the module.Battery management function can be realized at least partly with module or submodule grade, to change Kind compatibility.
One or more battery modules mechanically can with electric be integrated, and be equipped with heat management system, and connect To one or more power consumption device to constitute battery system.
Battery system can have three main sealing zones, and such as housing seal pad is such as connected for electronic device The gasket of device and gasket for cooling system.Housing seal pad is protected during the entire cycle life of battery system And protect its environment from the influence of high voltage from the influence of liquid or dust in the inner space of protective case body.
When being applied to vehicle, battery should be able to bear pressure minimum 30 minutes of about 10000Pa, prevent dust from flowing into Deng.In addition, housing seal pad should to oily pollution or from battery unit leak electrolyte solution contact have it is good resistance to Long property.
On the other hand, housing seal pad is allowed for opening and be closed, so that the connection of the pine of simple defect such as cooling tube Connecing can be corrected.In addition, the design for housing seal pad, needs to consider the material and surface texture of shell.
In continuous production process is such as produced in batches, need to optimize the manufacturing process of each housing seal pad.For example, Shell may include the auxiliary constituent element for accelerating fastening procedure.
The shell of battery may include three constituent element, i.e. substrate plate, case frame and cover board.Foam seal pad can be with It provides in groove or the plane between the above-mentioned constituent element of shell.
The component for wherein providing gasket has flat surfaces to prevent the damage to gasket, and in view of space limits System, gasket are mainly provided in case frame.
As a result, case frame can be in a manufacturing process by using special and expensive workpiece and in upper flange and lower flange In include gasket, to prevent the damage to foam seal pad.
Further, since the tolerance of assembling gasket is small and ratio of defects is high, it is contemplated that arriving the tolerance, it is difficult to accelerate processing Transmission speed in technique, and the groove processed for providing gasket can be expensive.
Above- mentioned information disclosed in this background technology section are only used for enhancing the understanding to background of the invention, therefore, It may include the information for not constituting in this country the known prior art to those skilled in the art.
Summary of the invention
Technical problem
Exemplary embodiment of the invention is dedicated to providing a kind of battery module with shell and including the battery The vehicle of module, the shell can be used low cost configuration and formed by simple process.
Technical solution
An exemplary embodiment of the invention provides a kind of battery module, which includes: shell, is configured to wrap Include substrate plate, case frame and cover board;Two or more battery units;And gasket, it is plugged in case frame and substrate Between plate and between case frame and cover board.
In battery module, the upper flange of case frame and the lower flange of case frame have stairstepping to form direction The depressed section of the interior open of case frame, and gasket is arranged in the depressed section.Upper flange can face cover board, Lower flange can face substrate plate.
An exemplary embodiment of the invention provides a kind of battery module with upper and lower part, upper and lower part It is each that there is the depressed section for being connected to and (opening wide towards the inner space of case frame) with the inner space of case frame or sealing It pads frame (gasket rim).Gasket can be placed in depressed section.
Specifically, gasket can be plugged between the bottom surface of depressed section and substrate plate or cover board.
In the present invention, gasket arrangement ensures the sufficiently sealed of shell, prevents electrolyte solution or coolant from shell The internal leakage of body is to outside, or water or oil is prevented to be flowed into inside from the exterior of housing.
In addition, in the present invention, the protecting effect that gasket arrangement can have electromagnetic influence prevention particularly prevents The effect of the protection (EMC/EMI protection) of electromagnetic interference.In the present invention, general with the inner space that is not open to shell Groove is compared, it is contemplated that tolerance etc., depressed section can realize higher transmission speed in processing technology.
An exemplary embodiment according to the present invention, gasket can be attached to substrate plate or cover board.Therefore, gasket It may include adhesive phase, or the material at least temporary adhesion characteristic can be provided with.
When gasket is arranged on substrate plate and cover board, it is contemplated that substrate plate and cover board are assembled as in packaging technology One of final step, the manipulation for providing the gasket on substrate plate and cover board reduces.Therefore, in the assembling work of battery module The damage to gasket can be effectively prevented in skill.
Furthermore, it is not necessary that providing the conventional brace for manipulating gasket, while preventing during packaging technology to sealing The damage of pad, to reduce the cost of manufacturing process.
Gasket can be such as foam seal pad, and the foaming agent for forming gasket can be provided directly in substrate On plate and cover board.
Conventional seals pad is cut from flat piece to allow to be sealed between multiple surfaces, and the foam of formed in situ is close Packing (form-in-place form gasket, FIPFG) is provided directly on any one surface without such formation Technique.Therefore, manufacturing time and cost can be greatly reduced.
In FIPFG technique, usually using liquid blowing agent.Even if in complicated and atypical region, foaming agent Stable sealing is also ensured in thixotropic behavior.
In other words, by using the robot technology for being suitable for the product that needs seal, complicated three-dimensional may be implemented Shape and irregular changes of section are sealed, and it can steadily be sealed.
Another embodiment according to the present invention, the width of depressed section is relative in each of upper flange and lower flange Overall width is in the range of 1:5 to 1:2.
The size for implementing depressed section within this range ensures the mechanical integrity of case frame.When the ratio is greater than 1: When 2, flange will not have enough mechanical integrities.When the ratio is less than 1:5, flange is too small and can not suitably dispose close Packing.
The overall width of upper flange is defined as the distance in the outside from the inside of case frame to case frame.Upper frame table Show shell directly facing or contact cover board inner surface fraction.
Can be independently of preceding example embodiments but in relationship in combination, the width of depressed section can be opposite In the range of the width of gasket is set in 3:1 to 1.2:1.
Therefore, it compared with the open generic grooves in the inner space not towards shell, can be realized in broader tolerance Expectation arrangement between all parts of shell.As a result, it is possible to reduce the ratio of defective product.
When the ratio is greater than 3:1, the manufacturing cost for being used to form depressed section will increase without improving gasket Sealing function.When the ratio is less than 1.2:1, it can occur in the process inconsistent between gasket and depressed section, lead Cause the increase of manufacture loss.
According to can with any or all another exemplary embodiment combined in above-mentioned exemplary embodiment, it is recessed The depth of concave portion point relative to gasket height in the range of 1:1.1 to 1:2.
It is, the height of gasket is slightly larger than the depth of depressed section.For the purposes of the present invention, gasket can lead to It is often formed by elastic material, therefore even if also ensures that stable sealing when tolerance further increases.Furthermore, it is possible to which reducing will join The ratio of the product connect.
When the ratio be less than 1:1.1 when, gasket cannot substantially sealed shell, and when the ratio be greater than 1:2 when, shell Body frame cannot be performed correctly with coupling between substrate plate or cover board.
Another exemplary embodiment according to the present invention, depressed section may include vertical on the inside of case frame The ledge surface of extension, and circumferential protrusions can be provided on the ledge surface of depressed section.
Gasket is arranged to its center and is located at the top of circumferential protrusions.Circumferential protrusions can have height H2, depressed section can have height h3.The ratio of height h3 and height h2 can be in the range of 2:1 to 5:1.
As a result, the entire sealing surfaces of gasket can significantly increase.When the ratio is greater than 5:1, sealing surfaces cannot Increase.When the ratio is less than 2:1, shell cannot be closed suitably.
An exemplary embodiment of the invention provides a kind of vehicle including above-mentioned battery module.
Beneficial effect
As described above, exemplary embodiment according to the present invention, can be effectively reduced manufacturing cost, technique effect is improved Rate, and improve the sealing performance of shell.
Detailed description of the invention
Fig. 1 shows the perspective view of the battery module of an exemplary embodiment according to the present invention.
Fig. 2 shows the exploded partial cutaway views of the battery module housings of an exemplary embodiment according to the present invention.
Fig. 3 shows the decomposition perspective view of the shell of another exemplary embodiment according to the present invention.
Fig. 4 shows the exploded partial cutaway view of shell shown in FIG. 1.
Fig. 5 shows the exploded partial cutaway view of the shell of another exemplary embodiment according to the present invention.
Fig. 6 shows the enlarged drawing of a part of exemplary embodiment according to figure 5.
Fig. 7 shows the perspective view of the upper flange in the case frame of exemplary embodiment according to figure 5.
Specific embodiment
In the following detailed description, certain demonstrations of the invention only have shown and described only by the mode of explanation Embodiment.
As the skilled person will recognize, described embodiment can be modified in a variety of ways, And all without departing from the spirit or scope of the present invention.Therefore, attached drawing and description will be considered being illustrative rather than in itself It is restrictive.Throughout the specification, identical appended drawing reference indicates identical element.
In the present specification, the redundancy description to identical constituent element will be omitted.
In the present specification, it will be appreciated that when a component referred to as " connects " or when " coupled " to another component, it can To be directly connected to or be connected to another component, or it can connect or be connected to another component and other component is made to be plugged in it Between.In the present specification, it will be appreciated that when a component, which is referred to as " be directly connected to or couple ", arrives another component, it can connect Another component is connect or is connected to plug therebetween without other component.
It will also be understood that term used herein is only used for the purpose of description particular implementation, it is not intended to limit this hair It is bright.
Unless the context clearly dictates otherwise, otherwise singular will include plural form.
It will also be appreciated that, term " includes " used in this specification or " having " specify the feature, number, step, The presence of operation, component, part or combinations thereof, but it is not excluded for one or more other features, number, step, operation, portion The presence or addition of part, part or combinations thereof.
In addition, as used herein, term "and/or" includes any number of projects combo or multiple timess listed in project What one.In the present specification, " A or B " may include " A ", " B " or " A and B ".
As shown in Figure 1, battery module 100 may include arrangement multiple battery units 10 in one direction and with electricity The lower surface of pool unit 10 is adjacent to the heat exchange component 110 of offer.
A pair of end plate 18 is provided as facing the wide surface of battery unit 10,19 quilt of connecting plate outside battery unit 10 It provides to connect this to end plate 18 to which battery unit 10 be fixed together.Two opposite sides in battery module 100 are provided Fastening part 18a is secured to substrate plate 31 by bolt 40.The bottom surface of the composition shell 30 of substrate plate 31.Other structures of shell It is not shown in FIG. 1 at element (such as cover and housing frame).
The elastic component 120 made of elastic material such as rubber can be plugged in substrate plate 31 and heat exchange component 110 Between.Here, each battery unit 10 can have angular (or rectangular shape), and battery module 100 is by by battery list Member 10 is stacked on its wide surface and is formed.
In addition, each battery unit 10 includes the battery case being configured in wherein accommodate electrod component and electrolyte.Battery Shell is closed and is sealed by cap assemblies 14.
Cap assemblies 14 include the plus end 11 and negative terminal 12 and venthole 13 with opposed polarity.Venthole 13 is corresponding In the release mechanism of each battery unit 10, and it is used as the gas generated in battery unit 10 and battery unit 10 is discharged by it Outside channel.
The plus end 11 and negative terminal 12 of battery unit 10 adjacent to each other can be electrically connected by busbar 15, busbar 15 can be fixed by nut 16 Deng.Therefore, battery module 100 can be connected into one by the way that the multiple battery unit 10 is electrically connected Beam provides, and may be used as power supply unit.
Rechargeable battery (especially lithium rechargeable battery) may be used as battery unit 10.Battery module 100 can be with It is the 48V battery for vehicle.
Fig. 2 shows the cross-sectional views of the shell 30 of an exemplary embodiment according to the present invention.Shell 30 includes substrate plate 31, case frame 32 and cover board 33.
Each component of shell 30 can be made of rigid material, such as metal such as stainless steel or aluminium.Case frame 32 Including being configured to the upper flange of the inner surface in face of cover board 33 and being configured to the lower flange of the inner surface in face of substrate plate 31.
Gasket 50 can be plugged between case frame 32 and cover board 33 and case frame 32 and substrate plate 31 it Between.Particularly, gasket 50 can be set in depressed section 60, and the depressed section 60 is at upper flange and lower flange and shell 30 inner space connection is opened wide towards the inner space of shell 30.
According to this exemplary embodiment, depressed section 60 includes ledge surface 61 and end surfaces 62.Gasket 50 can be with It is set as being in close contact with the end surfaces 62 of depressed section 60, but the invention is not restricted to this.
Here, the inner surface that ledge surface 61 may be substantially perpendicular to case frame 32 extends, and end surfaces 62 can be with Substantially upwardly extended in side identical with the inner surface of case frame 32.
However, ledge surface 61 and end surfaces 62 are not necessarily limited to this.Depressed section 60 can be in individual processing technology It is easy at a high speed to be formed.
Gasket 50 can be formed by elastic material, such as elastomer such as polyolefin, ethylene/propylene/diene-monomer Polymer (ethylene-propylene-diene-monomer, EPDM).An exemplary embodiment according to the present invention, it is close Packing 50 can be foam seal pad.Gasket 50 can be attached to the inner surface of substrate plate 31 and the inner surface of cover board 33.
Therefore, gasket 50 can be at least temporarily attached between substrate plate 31 and cover board 33, or may include providing Bonding film (not shown) between substrate plate 31 and cover board 33.
For example, gasket 50 can be the band including adhesive surface, and the band can be in the fine-processing technique of shell 30 Substrate plate 31 and cover board 33 are adhered to before.
According to the exemplary embodiment of Fig. 1, as shown in Fig. 2, depressed section 60 has relative to the upper of case frame 32 The width of the about one third of the entire width of flange.The depressed section 60 in face of substrate plate 31 of lower flange also has above-mentioned ruler Very little, but the invention is not restricted to this.
In addition, embodiment according to the present invention, the ratio of the width of the width and depressed section 60 of gasket 50 is about 1:2.Since gasket 50 can be made of elastic material, so the height of gasket 50 can be the height of gasket 50 1.1 to 2 times to ensure the reliable sealing of the inner space of shell 30.
Fig. 3 shows the decomposition perspective view of the shell 30 of another exemplary embodiment according to the present invention.Cover board 33 is shown Out to be translucent to see in the accompanying drawings.
Here, the gasket 50 for being attached to the inner surface of substrate plate 31 and cover board 33 has the shape (bar shaped) of cylindricality band. During manufacturing process, the upside of substrate plate 31 is arranged in case frame 32, and the upside of case frame 32 is arranged in cover board 33.
Fig. 4 shows the cross-sectional view of a part of shell 30 shown in FIG. 1.Here, the width and shell of each depressed section 60 The ratio of the entire width of the upper flange and lower flange of body frame 32 is about 1:2.Gasket 50 be arranged in depressed section 60 with By the connection of substrate plate 31, case frame 32 and cover board 33 come the inner space of seal casinghousing 30.
Fig. 5 shows the cross-sectional view of a part of the shell 30 of another exemplary embodiment according to the present invention.Fig. 6 is shown The enlarged drawing of Fig. 5.Fig. 5 shows the upper flange and gasket 50 including depressed section 60 of case frame 32.
Substantially, Fig. 5 follows the exemplary embodiment of Fig. 2, in addition to circumferential protrusions 63 are provided in the convex of depressed section 60 Except on edge surface 61.Circumferential protrusions 63 can be preferably provided as closing along the bar shaped that upper flange or lower flange extend to be formed Curve is closed, and the upper central side in circumferential protrusions 63 can be set in gasket 50.
Through this structure, total sealing surfaces of gasket 50 can increase up to 20%.Circumferential protrusions 63 have height H2, depressed section 60 have height h3.The ratio of height h3 and height h2 are preferably in the range of 2:1 to 5:1.In Fig. 6 institute In the exemplary embodiment shown, which is about 3.75:1, and but the invention is not restricted to this.
Although specifically illustrating and describing the present invention, art technology referring to only certain exemplary embodiments of this invention Personnel will be understood that, can carry out various changes of form and details wherein, without being detached from the spirit and scope of the present invention, The scope of the present invention is defined by the claims.
Denotational description:
30: shell 31: substrate plate
32: case frame 33: cover board
50: gasket 60: upper flange, lower flange
61: ledge surface 62: end surfaces
63: circumferential protrusions

Claims (10)

1. a kind of battery module, comprising:
Multiple battery units;
Shell is configured to include substrate plate, case frame and cover board;And
Gasket, be plugged between the case frame and the substrate plate and the case frame and the cover board it Between,
Wherein the case frame in face of the cover board upper flange and the case frame under the substrate plate Flange has stairstepping, and the stairstepping forms the depressed section of the interior open to the shell plates, and
The gasket is arranged in the depressed section.
2. battery module according to claim 1, wherein
The gasket is attached to the substrate plate and the cover board.
3. battery module according to claim 2, wherein
The gasket is the foam seal formed by each offer foaming agent into the substrate plate and the cover board Pad.
4. battery module according to claim 1, wherein
The width of the depressed section has the range of 1:5 to 1:2 relative to the overall width of the upper flange and the lower flange.
5. battery module according to claim 1, wherein
The width of the depressed section has the range of 3:1 to 1.2:1 relative to the width of the gasket.
6. battery module according to claim 1, wherein
The depth of the depressed section has the range of 1:1.1 to 1:2 relative to the height of the gasket.
7. battery module according to claim 1, wherein
The depressed section includes the ledge surface upwardly extended in the side that the inside with the case frame is intersected and sets Set the circumferential projection on the ledge surface of the depressed section.
8. battery module according to claim 7, wherein
The upside of the circumferential protrusions is arranged in the gasket.
9. battery module according to claim 8, wherein
The circumferential protrusions have height h2, and the depressed section has height h3, and
The ratio of the height h3 and the height h2 are in the range of 2:1 to 5:1.
10. a kind of vehicle, including battery module according to any one of claim 1 to 9.
CN201780082495.9A 2017-01-06 2017-12-13 Battery module and vehicle including the same Active CN110168768B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP17150496.2 2017-01-06
EP17150496.2A EP3346518B1 (en) 2017-01-06 2017-01-06 Housing for a battery module including a housing gasket
KR1020170170681A KR102164008B1 (en) 2017-01-06 2017-12-12 Battery module and vehicle including the same
KR10-2017-0170681 2017-12-12
PCT/KR2017/014599 WO2018128294A1 (en) 2017-01-06 2017-12-13 Battery module and automobile comprising same

Publications (2)

Publication Number Publication Date
CN110168768A true CN110168768A (en) 2019-08-23
CN110168768B CN110168768B (en) 2022-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780082495.9A Active CN110168768B (en) 2017-01-06 2017-12-13 Battery module and vehicle including the same

Country Status (2)

Country Link
CN (1) CN110168768B (en)
WO (1) WO2018128294A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114402480A (en) * 2019-11-08 2022-04-26 株式会社Lg新能源 Battery pack and device including the same

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