CN104620421A - Battery cell having a housing cover plate with an adhesively bonded sealing stopper - Google Patents
Battery cell having a housing cover plate with an adhesively bonded sealing stopper Download PDFInfo
- Publication number
- CN104620421A CN104620421A CN201380047827.1A CN201380047827A CN104620421A CN 104620421 A CN104620421 A CN 104620421A CN 201380047827 A CN201380047827 A CN 201380047827A CN 104620421 A CN104620421 A CN 104620421A
- Authority
- CN
- China
- Prior art keywords
- opening
- battery unit
- closing cock
- region
- housing
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000003792 electrolyte Substances 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000007767 bonding agent Substances 0.000 claims description 25
- 239000003094 microcapsule Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 239000010405 anode material Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000010406 cathode material Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 239000005030 aluminium foil Substances 0.000 description 4
- 239000011889 copper foil Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920002449 FKM Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
- H01M50/645—Plugs
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Proposed is a battery cell, in particular a lithium-ion battery cell, in which a winding element, two current collectors and electrolyte are accommodated in a housing. The housing consists of a metal container and a cover arrangement. The cover arrangement comprises, inter alia, a cover plate which is fixedly connected to the container after interior components of the battery cell have been introduced. According to the invention, a filling opening (25) provided in the cover plate (23), through which opening electrolyte can be filled into the interior of the housing, is sealed by means of a sealing stopper (27). The sealing stopper is held in the filling opening (25) by means of an adhesive (31). A sealing arrangement (35) prevents electrolyte that is filled in the housing from coming into contact with and chemically attacking the adhesive (31).
Description
Technical field
The present invention relates to a kind of battery unit, especially lithium ionic cell unit.The invention still further relates to a kind of motor vehicle with this battery unit.
Background technology
Battery unit, is sometimes referred to as secondary battery unit, for chemically storing operational electric energy.Nowadays battery unit has been used to be used for the Power supply of a large amount of mobile device.Battery unit should be mainly used in the electric transportation instrument of movement land and waterborne or the Power supply of hybrid power means of transportation future, or for intermediate storage regularly from the electric energy of the optional energy.
Under most cases, a large amount of battery units is combined into battery pack for this reason.In order to utilize operational group of volume in the case as far as possible efficiently, especially using for this object and there is battery unit that is prismatic, such as cubic shaped.
Due to its may be higher energy density, thermal stability and the memory effect that lacks, for requiring strict application, such as the memory solution of motor vehicle, a kind of lithium-ions battery technology of most employing, its high Economic Importance due to electronic traffic in future is improved at present just in full preparation.
There is dissimilar battery unit, especially lithium ionic cell unit, and especially there is the battery unit of prismatic shape.
Certainly, this traditional battery unit has complicated structure mostly, wherein, uses a large amount of different parts to assemble whole battery unit.Especially use expensive manufacturing process when parts, such as welding procedure, not only cost is high but also energy consumption is high for it.All these can cause the cost of the raising when manufacturing battery unit.
Summary of the invention
Especially expense for assembled battery unit can be reduced and because this reducing the cost be connected therewith by means of embodiments of the present invention.
Propose a kind of battery unit, especially lithium ionic cell unit, it has at least one winding element, an electrolyte, two current-collectors and a housing.Described winding element is made up of the stack reeled, this stack by one with first paper tinsel be such as made of copper of anode material coating, one with cathode material coating, plastic films that the second paper tinsel such as made of aluminum and two are used as barrier film are formed.One in described current-collector to conduct electricity with the first paper tinsel of described winding element and is connected, such as, weld.Second current-collector conducts electricity with the second paper tinsel of described winding element and is connected.Described housing has a metallic container and and is mainly metallic cap assemblies.Described container has an opening, and by this opening, described winding element and described two current-collectors can be presented in housing during manufacture battery unit.Described cap assemblies be configured to airtightly and wiper seal close the opening of described container.For this reason, described cap assemblies especially has a cover plate, its can opening largely in closed container and its may be used for housing and container such as to be closed closely by weld seam.Described cover plate especially has inserts opening, inserts opening, electrolyte can be filled in housing by this.The feature of the battery unit proposed is, described in insert opening and utilize a closing cock to close, wherein, described closing cock remains on by means of bonding agent and to insert in opening and a black box prevents the electrolyte be filled in housing to contact with bonding agent.
According to the execution mode of battery unit of the present invention mainly based on following knowledge and idea:
Usually first winding element and the current-collector be assemblied in wherein to be assembled to when assembled battery unit in the container also in opened upper end of housing and afterwards by means of the opening of cap assemblies closed container closely.First cover plate is connected with container when installation cover assembly, such as, by welding.Then by the opening of inserting be arranged in cover plate, electrolyte is filled in container, thus electrolyte can soak accommodation winding element in a reservoir.Next must seal inserting opening closely and tolerate electrolysis quality and close.
For this reason, in traditional battery unit, a Metal Ball is expressed to and inserts on opening and weld with the edge inserting opening.Certain welding process is shown as a working procedure expended and especially can needs expensive welding robot.In addition, heat load is applied when welding.
Therefore proposing, described in closing when not using welding process, inserting opening.The closing cock be for this reason shaped one is suitably inserted into be inserted in opening.Between described closing cock and a surface that is adjacent, described cover plate, a bonding agent is set described inserting in the region of opening.This bonding agent is inserted in opening described in being responsible for closing cock mechanically to remain on after its sclerosis.Within inserting opening described in described closing cock is securely fixed at this by this bonding agent as follows, even if make such as also there is not described closing cock higher than in the raising of 6000hPa and insert from described the danger got loose opening when pressure within cell casing.
But it should be noted that most of bonding agent is packed into the electrolyte chemical corrosion in housing.Therefore supplement and arrange, described battery unit has an additional black box, and it prevents bonding agent from contacting with electrolyte.
Sealing assembly can realize in the case in a different manner.
In order to the enough firm bonding connection between cover plate and closing cock can be realized, described cover plate can have one extend into the extension in housing and described closing cock is inserted in this extension at described opening part of inserting, wherein, described closing cock can be bonding with the inner surface of described extension at the Part I region place in a shell face.What resulting between closing cock and cover plate is large-area bonding.
Bondingly electrolytical corrosion is subject in order to reliably prevent this, described closing cock can have a sealing protrusion in Part II region, and this Part II region is arranged closer to the inside of the housing of battery unit compared to the Part I region bonding with the inner surface of described extension in described shell face.Described sealing protrusion such as can surround described closing cock circlewise and be responsible for described closing cock and described in the described region inserting opening cover plate extension one be in reliable sealing between more inner region.
Sealing assembly, the sealing protrusion described especially before, can implement the electrolytical elastomer of a tolerance.This elastomer such as can contain fluoropolymer.Such as by the many electrolytical elastomers of the tolerance of DuPont Company, especially name of product is Viton, sometimes has additive FKM.
In a kind of design of alternative, a kind of black box can be produced in the following way, the bottom of the extension at cover plate place is arranged on as follows towards the center curvature of opening in the region inserting opening, this bottom is contacted in Part II region with described closing cock, and this Part II region is arranged closer to the inside of housing compared to the Part I region bonding with the inner surface of described extension in described shell face.The bottom of described extension can such as form a sharp-pointed seamed edge at this, and its shell face closely abutting in the closing cock be contained in described extension prevents electrolyte from arriving the abutting edge of side disposed thereon thus.
Described closing cock can have an insertion slope in its lower end below described Part II region.This insertion slope can form a region attenuated downwards in the lower end of described closing cock, by means of this region, when being inserted in extension by closing cock, the aduncate region of extension little by little outwards can be extruded.The cross section in the aduncate region of described extension can be less than the cross section of described closing cock in described Part II region slightly, therefore this aduncate region can be expanded by described insertion slope, thus it abuts on the shell face of described closing cock under mechanical stress hermetically.
Insert opening but also described closing cock not only and can have circular cross section, wherein, can at least cylindrically construct after described closing cock region-type.Due to rotational symmetry, thisly insert opening and closing cock can manufacture simply.
Described closing cock can have the flange part that laterally exceeds described opening outside housing.This flange part can be used as mechanical stop when being inserted into by closing cock and inserting in opening, is inserted into too far inserts in opening or be even moved in the inside of battery unit through inserting opening in order to prevent closing cock.
The bonding agent used for bonding described closing cock and described cover plate can be the bonding agent of micro-capsule.The bonding agent of this micro-capsule comprises the small capsule of filling with adhesive substance.The bonding agent of micro-capsule just can be coated to treating on bonding surface of closing cock and/or cover plate place before installing battery unit.By closing cock coordinate be encased in exactly insert in opening time, micro-capsule is destroyed, thus bonding agent is released and will treats that bonding surface machinery firmly couples together after curing.The bonding agent of micro-capsule is such as also for preventing the autonomous turn pine of screw connection.An example of the bonding agent of micro-capsule is sold with trade mark Loctite.
The design of the described possible feature of battery unit and design, especially cover plate and the closing cock of the parts of battery unit is particularly suitable for using in following battery unit, and the housing of these battery units has prismatic shape.
It is to be noted, the possible feature and advantage according to battery unit of the present invention are described with reference to different execution modes at this.It will be appreciated by those skilled in the art that single feature can mutually combine by rights or replace, to realize other execution mode and possible cooperative effect by this way.
Accompanying drawing explanation
Describe embodiments of the present invention with reference to the accompanying drawings, wherein, specification and accompanying drawing are not interpreted as restriction the present invention.
Fig. 1 shows the exploded view of a lithium ionic cell unit;
Fig. 2 shows the cross section inserting the closing cock in opening being inserted into cover plate for a battery unit according to one embodiment of the present invention;
Fig. 3 shows the cross section inserting the closing cock in opening being inserted into cover plate for a battery unit according to another embodiment of the invention;
Fig. 4 shows the motor vehicle with a battery according to one embodiment of the present invention.
Accompanying drawing is only schematic and be not drawn to scale.Identical Reference numeral represents feature that is identical or phase same-action in the accompanying drawings.
Embodiment
Fig. 1 shows the exploded view of the lithium ionic cell unit of a routine.Visible, this battery unit is made up of parts single in a large number.Here only describe for the component understood needed for embodiments of the present invention and their feature, all the other components for described battery unit do not describe.
Battery unit 1 has at least one winding element 3, and it has the stack 5 of a winding, and this stack is made with the aluminium foil of cathode material coating and the plastic film between them with the Copper Foil of anode material coating and one by one, and described plastic film is used as barrier film.
In order to electrical contact, described Copper Foil and described aluminium foil mutually stacking to slightly staggering in the opposite direction along wireline reel, thus described Copper Foil is a narrow side and described aluminium foil exceeds the corresponding edge of described winding element tinily in opposed narrow side.Weld a current-collector 7 be made of copper at region 4 place that exceeds of described Copper Foil, thus this current-collector is electrically connected with the anode of described winding element.Second current-collector 9 made of aluminum is welded, in order to set up the electrical contact with the negative electrode of described winding element 3 at a region place that exceeds that is opposed, described aluminium foil.
Then, the winding element 3 being provided with two current-collectors 7,9 is assembled in a cube shaped container 13 be open upwards by an opening 14.Then, utilize a cap assemblies 15 to close in this container 13, this cap assemblies also has some other component except a cover plate 23.Described cover plate 23 is connected on the inner surface place of described container at this with its edge joint weld.Described container 13 and described cover plate 23 are formed by metallic plate, so that can the especially corrosive electrolyte of survive chemical.
Described cover plate 23 especially has inserts opening 25, inserts opening by this, after being fixed on container 13 by cover plate 23, can be filled into by electrolyte in the inside of the housing 11 be made up of container 23 and cap assemblies 15.Described opening 25 of inserting such as can be configured with the cross section of a circle and have the diameter of about 5mm.
In traditional battery unit, insert opening 25 described in closing by means of a ball 26, this ball has inserts the slightly larger diameter of opening 25 than described.To insert described in described ball 26 is extruded at this in opening 25 and to weld with cover plate 23 around ground afterwards.
Depict the possibility inserting the alternative of opening 25 for welding battery unit according to the embodiment of the present invention in figs 2 and 3.
The inward flange inserting opening 25 of described cover plate 23 is such as bent downwardly by BENDING PROCESS, deep-draw process or moulding process, thus formation one upcountry extend into the extension 29 in housing 11.This extension 29 preferably can have the cross section of a circle, thus the inner surface 30 of described extension 29 has a columniform geometry.Described extension such as can extend into the inside 3mm to 5mm of described housing.
After inserting electrolyte, a closing cock 27 is inserted in described extension 29.This closing cock 27 has an exterior contour, its approximate in-profile corresponding to described extension 29.When one columniform extension 29, described closing cock 27 has a same columniform shank 26, and its diameter is less than the interior diameter of described extension 29 equally slightly.
Described closing cock 27 thereon end, that is end be retained in outside described housing 11 have one laterally exceed described in insert the flange part (Bund) 39 of opening 25.
At shell face 28 place of the shank 26 of described closing cock 27, a bonding agent 31 is set, the bonding agent of preferred micro-capsule.The size of the thickness of bond layer shank 26 and extension 29 in other words is so determined at this, bonding agent 31 is contacted and micro-capsule is opened in some cases with the inner surface 30 of described extension 29 when pushing described closing cock 27.Therefore, after bonding agent 31 hardens, it is responsible for described closing cock 27, and to insert within the extension 29 of opening 25 stable fixing described.
In order to prevent the electrolytical corrosion of being corroded property of bonding agent 31, at bonding agent less than 31, that is, closer to the inside of housing 11, a black box 35 is set.
In the example shown in figure 2, sealing assembly 35 is formed by means of the elastomer that surrounds described shank 26 circlewise, and this elastomer forms a sealing protrusion 33.This elastomer chemically tolerates electrolyte on the one hand, and has enough elasticity on the other hand, in order to be responsible for the reliable sealing between the inner surface 30 of described extension 29 and the shell face 28 of the shank 26 of described closing cock 27.Described elastomer can such as be contained in a groove 37 with the form of O shape ring at this and therefore prevent from sliding axially.
Automatic turning can be used to manufacture described closing cock 27.Such as can select H7/r6 as closing cock 27 and the cooperation inserted between opening 25, this is corresponding to slight extruding.Described sealing protrusion 33 can have the diameter of such as 0.03mm, and it has the tolerance of 0.01mm.
Figure 3 illustrates the design for inserting a kind of alternative of opening 25 described in closing by means of a closing cock 27.Replace a sealing protrusion 33, the sealing between extension 29 described here and the shank 26 of described closing cock 27 directly realizes via the suitable design of described extension 29.The bottom 41 of described extension 29 is as follows towards the described center curvature inserting opening 25, make before described closing cock is inserted in described extension 29, the interior diameter of described extension 29 is less than the overall diameter of the shank 26 of described closing cock 27 in this region slightly.
One is arranged to cut the tapered portion that the insertion slope 45 of column type is form in the lower end of described shank 26.Can when inserting in opening 25 described in described closing cock 27 is inserted into by means of this insertion slope 45, by the aduncate fringe region 41 of described extension 29 to external expansion.At this, the seamed edge 43 at bottom 41 place of described extension 29 can abut on the shank 26 of described closing cock 27 relative to electrolyte sealability as black box 35.
In this design of closing cock 27, can in order to Production Example be as used cold-heading.H7/r6 can be selected again as cooperation.
The welding process that opening 25 abandons expending can be inserted described in closing by means of embodiments of the present invention.Replace, to insert described in described closing cock can being expressed to simply in opening 25 and by means of as far as possible coating in advance, in some cases the bonding agent 31 of micro-capsule remain on described in insert in opening 25.Described black box 25 prevents bonding agent 31 to be contacted by electrolyte at this and corrodes.
Fig. 4 shows the motor vehicle 100 that has battery 102, and this battery is made up of multiple above-mentioned battery unit 1.
Claims (10)
1. battery unit (1), especially lithium ionic cell unit, has:
One winding element (3) formed by the stack reeled (5), described stack is formed with the second paper tinsel of cathode material coating and two plastic films being used as barrier film with the first paper tinsel of anode material coating, by one,
One electrolyte,
Two current-collectors (7,9), one of them current-collector and described first paper tinsel conduct electricity and to be connected and another current-collector conducts electricity with described second paper tinsel and is connected,
One housing (11), it has a metallic container (13) and a cap assemblies (15), wherein, described container (13) has an opening (14), by described opening, described winding element (3) and described two current-collectors (7,9) can be assembled in described housing (11) in the described battery unit of manufacture (1) period
Wherein, described cap assemblies (15) there is a cover plate (23) and by the opening (14) of described container (13) airtightly and wiper seal ground close,
Wherein, described cover plate (23) has one and inserts opening (25) for being filled into by electrolyte in described housing (11),
It is characterized in that,
Described opening (25) of inserting utilizes a closing cock (27) to close, wherein, described closing cock (27) is inserted in opening (25) described in remaining on by means of a bonding agent (31), and wherein, a black box (35) prevents the electrolyte be filled in described housing (11) from contacting with described bonding agent (31).
2. battery unit according to claim 1, wherein, described cover plate (23) has one extend into extension (29) in described housing (11) at described opening (25) place that inserts, and wherein, described closing cock (27) is inserted in described extension (29), and wherein, described closing cock (27) the Part I region place of shell face (28) and the inner surface (30) of described extension (29) bonding.
3. battery unit according to claim 2, wherein, described closing cock (27) has a sealing protrusion (33) as black box (35) in a Part II region, and described Part II region is arranged closer to the inside of described housing (11) compared to the Part I region bonding with the inner surface (30) of described extension (29) of described shell face (28).
4. battery unit according to any one of claim 1 to 3, wherein, described black box (35) implements the electrolytical elastomer of a tolerance.
5. battery unit according to claim 2, wherein, the bottom (41) of described extension (29) is as follows towards the described center curvature inserting opening (25), make described bottom and described closing cock (27) contact in a Part II region and work as black box (35), described Part II region is arranged closer to the inside of described housing (11) compared to the Part I region bonding with the inner surface (30) of described extension (29) of described shell face (28).
6. battery unit according to claim 5, wherein, described closing cock (27) has an insertion slope (45) in its lower end below described Part II region.
7. battery unit according to any one of claim 1 to 6, wherein, described in insert opening (25) there is circular cross section and described closing cock (27) at least region-type ground is cylindrical.
8. battery unit according to any one of claim 1 to 7, wherein, described closing cock (27) have outside described housing (11) one laterally exceed described in insert the flange part (39) of opening (25).
9. battery unit according to any one of claim 1 to 8, wherein, described bonding agent (31) is micro-capsule.
10. motor vehicle (100), has battery unit according to any one of claim 1 to 9 (1).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012216477.4A DE102012216477A1 (en) | 2012-09-14 | 2012-09-14 | Battery cell with housing cover plate with glued-in sealing plug |
| DE102012216477.4 | 2012-09-14 | ||
| PCT/EP2013/065963 WO2014040789A1 (en) | 2012-09-14 | 2013-07-30 | Battery cell having a housing cover plate with an adhesively bonded sealing stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104620421A true CN104620421A (en) | 2015-05-13 |
| CN104620421B CN104620421B (en) | 2017-11-17 |
Family
ID=48875682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380047827.1A Active CN104620421B (en) | 2012-09-14 | 2013-07-30 | The battery unit of housing cover with the closing cock with bonding |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104620421B (en) |
| DE (1) | DE102012216477A1 (en) |
| WO (1) | WO2014040789A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359304A (en) * | 2016-05-10 | 2017-11-17 | 宁德时代新能源科技股份有限公司 | Lithium ion battery liquid injection hole sealing structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020105138A1 (en) | 2020-02-27 | 2021-09-02 | Bayerische Motoren Werke Aktiengesellschaft | Method for producing a battery module, battery module, traction battery and electrically drivable motor vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047265A (en) * | 2006-03-27 | 2007-10-03 | 三星Sdi株式会社 | Secondary battery and method of manufacture |
| CN101536258A (en) * | 2005-09-19 | 2009-09-16 | 康宁吉伯股份有限公司 | Chemically attached coaxial connector |
| CN101621117A (en) * | 2008-07-03 | 2010-01-06 | 三星Sdi株式会社 | Sealing member for an electrolyte injection hole in a battery, cap assembly for a battery and method of fabricating a secondary battery |
| CN101764246A (en) * | 2008-12-24 | 2010-06-30 | 三星Sdi株式会社 | Secondary battery |
| JP2011210690A (en) * | 2010-03-30 | 2011-10-20 | Toshiba Corp | Sealed battery |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2842697C2 (en) * | 1978-09-30 | 1980-08-28 | Varta Batterie Ag, 3000 Hannover | Galvanic element and process for its manufacture |
| DE3150944A1 (en) * | 1981-12-23 | 1983-06-30 | Christoph Emmerich GmbH & Co KG, 6000 Frankfurt | Gas- and liquid-tight storage battery and method of producing it |
-
2012
- 2012-09-14 DE DE102012216477.4A patent/DE102012216477A1/en not_active Withdrawn
-
2013
- 2013-07-30 CN CN201380047827.1A patent/CN104620421B/en active Active
- 2013-07-30 WO PCT/EP2013/065963 patent/WO2014040789A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536258A (en) * | 2005-09-19 | 2009-09-16 | 康宁吉伯股份有限公司 | Chemically attached coaxial connector |
| CN101047265A (en) * | 2006-03-27 | 2007-10-03 | 三星Sdi株式会社 | Secondary battery and method of manufacture |
| CN101621117A (en) * | 2008-07-03 | 2010-01-06 | 三星Sdi株式会社 | Sealing member for an electrolyte injection hole in a battery, cap assembly for a battery and method of fabricating a secondary battery |
| CN101764246A (en) * | 2008-12-24 | 2010-06-30 | 三星Sdi株式会社 | Secondary battery |
| JP2011210690A (en) * | 2010-03-30 | 2011-10-20 | Toshiba Corp | Sealed battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359304A (en) * | 2016-05-10 | 2017-11-17 | 宁德时代新能源科技股份有限公司 | Lithium ion battery liquid injection hole sealing structure |
| CN107359304B (en) * | 2016-05-10 | 2020-08-28 | 宁德时代新能源科技股份有限公司 | Lithium ion battery liquid injection hole sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104620421B (en) | 2017-11-17 |
| WO2014040789A1 (en) | 2014-03-20 |
| DE102012216477A1 (en) | 2014-04-10 |
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