CN109638376A - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN109638376A CN109638376A CN201811171993.3A CN201811171993A CN109638376A CN 109638376 A CN109638376 A CN 109638376A CN 201811171993 A CN201811171993 A CN 201811171993A CN 109638376 A CN109638376 A CN 109638376A
- Authority
- CN
- China
- Prior art keywords
- heat transfer
- heat
- transfer element
- battery
- single lattice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
The present invention relates to a kind of batteries, it has at least one battery module (2), the battery module (2) is electrically coupled and/or cell negative terminal (3) in parallel forms by multiple, the cell negative terminal (3) respectively has at least two single lattice electrodes (4), and cell negative terminal (3) and its single lattice electrode (4) belong to the group of the modular unit of battery module (2).Herein, in order to which heat is guided from battery, at least one of modular unit being made of at least cell negative terminal (3) and single lattice electrode (4) is connected with active cooling device (5) heat transmitting ground indirectly, and it is achievable that indirectly heat, which passes through the arrangement of heat transfer element (6),.Furthermore, for each battery module (2) of battery (1), the passively heat transfer element (6) of at least one intermediate space (7) with multiple perforations heat transfer element (6) is so be arranged at battery module (2), so that single lattice electrode (4) extends through the intermediate space (7) of heat transfer element (6), and the contact area connecting at least one each heat transmitting of heat transfer element (6) construction.
Description
Technical field
The present invention relates to a kind of battery, it is electrically coupled and/or cell negative terminal group in parallel at least one by multiple
At battery module.Here, cell negative terminal respectively has at least two single lattice electrodes and cell negative terminal and its single lattice electrode belong to
The group of the modular unit of battery module, wherein in order to guide heat from battery, by least cell negative terminal and single lattice electrode group
At at least one of modular unit be connected indirectly with the transmitting of active cooling device heat and indirectly heat transmitting can pass through
The arrangement of heat transfer element is realized.
Background technique
It is necessary that storage is dynamic for driving machine in the hybridization of the driving device of motor vehicle and electrified process
Electric energy needed for vehicle and it is supplied to driving device.In this regard, usually battery be applied, due to needs driving energy with
And it is loaded during the charging process with high current and is correspondingly passed through in the operation of motor vehicle or in the situation of battery charging
Go through heating.In order to maintain thick-and-thin operating parameter and in order to improve the service life, the cooling of battery is needed.
The cooling of usual battery is in the case where the so-called ethylene glycol water of application is cooling or logical via its battery housing base
It crosses the cooling system based on cryogen agent to carry out in the case where application such as carbon dioxide, wherein cooling system in these cases
System is arranged between the battery module being made of multiple cell negative terminals.It is unfavorable that two concepts can be seen as herein.In ethylene glycol
In the case where water is cooling, only the bottom of cell negative terminal and in most cases only partially cools down herein, be inert
And it is less effective.Equally, herein it could be noted that difference in the design scheme of cell negative terminal.Ethylene glycol water cools down significant
Application usually only provided in the situation of prismatic single lattice, in so-called scrotiform (or be pocket type, i.e. Pouch) single lattice
Heat transmission in situation on the direction of cell negative terminal bottom by structure type be relative to prismatic single lattice with determining it is limited,
To which application can not in most cases be realized.It is only cooling electric in contrast in the situation of the cooling system based on coolant
Thus the side wall of pond module is especially subjected to higher heat load in the cell negative terminal of battery module intermediate arrangement.Based on coolant
Integrated into such battery module of cooling system be that technical pole is expended because in 90 to 150 bars of range
Very high pressure and the guard system that designs must be integrated into the interface in battery module and to guard system due to the knot of limitation
Conformational space can hardly be realized and usually such solution can not economically be born.
10 2,013 016 616 A1 of file DE shows another form of battery cooling apparatus.Which describe high pressures
Battery, wherein high-tension battery single lattice or high-tension battery in parallel it is being made of multiple concatenated single lattices, correspondingly in parallel
Single lattice block each other thermocouple join.Here, single lattice or single lattice block can be in hot contact with each other by heat conductor via its electrode and furthermore be passed through
It is connected with heat conduction by the heat conductor with coldplate.In addition, the single lattice or single lattice block that are connected in parallel to each other respectively thermal insulation relative to each other,
To realize uniform operating parameter as much as possible in corresponding single lattice or single lattice block.The arrangement of heat conductor is herein with unfavorable
Mode is to realize which prevent transporting for heat with single lattice or the larger space of single lattice block.
Summary of the invention
Before the background, task of the invention lies in so implement a kind of battery of form being initially mentioned, so that improving
It is guided from the heat of battery.
The task according to the battery of the feature of Patent right requirement 1 to solve.Dependent claims are related to spy of the invention
Not Shi Yi improvement project.
According to the present invention, therefore it is provided with the battery at least one battery module, wherein battery module is by multiple electricity
The cell negative terminal composition of gas series connection and/or parallel connection.Cell negative terminal itself is respectively at least two especially from the inside of cell negative terminal
Outstanding single lattice electrode.Furthermore cell negative terminal and its single lattice electrode belong to the group of the modular unit of battery module, wherein
In order to by heat from battery guide, at least one of modular unit being made of at least cell negative terminal and single lattice electrode indirectly with
Active cooling device heat transmitting ground is connected and indirectly heat transmitting can be realized by the arrangement of heat transfer element herein.In addition,
For each battery module of battery, at least one passively heat transmitting of the intermediate space with multiple perforation heat transfer elements
At element battery module so be arranged on, so that single lattice electrode is by the intermediate space of heat transfer element especially from heat transfer element
The side towards battery module extend to heat transfer element on the side of battery module, and it is each extremely with heat transfer element construction
The contact area that few heat transmitting ground is connected.Therefore heat transfer element has intermediate space in the form of opening or also
Through portion in heat transfer element, wherein these intermediate spaces can be perpendicular to perforation direction fully or only partially by heat
Transmitting element limitation.Furthermore heat transfer element should so be arranged at battery module, so that the section of single lattice electrode is located in
In intermediate space, and single lattice electrode having relative to the prominent of heat transfer element on the side of cell negative terminal in heat transfer element
(ü berstand) out.For this purpose, cell negative terminal is arranged in which can be thusly-formed battery module, so that the single lattice electrode example of cell negative terminal
Such as at the one or both sides of battery module.In the case where the unilateral positioning of single lattice electrode, it is necessary to be achieved in battery
The arrangement of the identical direction of single lattice realizes cell negative terminal to electricity in the situation of the positioning of the two sides of single lattice electrode in contrast
The identical direction in the part of pond module and part phase opposite sense arrangement.It is drawn in single lattice electrode from the two sides in cell negative terminal
In situation, provided at the end side that the orientation of such as single lattice electrode related to this is set opposite at the two of battery module.
Cell negative terminal is primary battery (or being primary battery single lattice, i.e. galvanische Zelle), wherein it can be constructed
For primary and/or secondary single lattice.Preferably, cell negative terminal however be configured to the secondary single lattice of repeatable charging or be directly electric power storage
Pond.Cell negative terminal should be especially configured to lithium-ions battery, preferably lithium polymer storage battery herein.Further, it is contemplated that battery list
The different structure types of lattice, wherein answered first other than as the embodiment of prismatic single lattice or cylindrical single lattice
It carries out for cell negative terminal being embodied as so-called scrotiform single lattice.
By at least one, the battery that preferably multiple battery modules form should be configured to traction battery and for drive it is motor-driven
Vehicle.
In the case where simple, furthermore it is contemplated that heat transfer element is by the solid material for example in the meaning of thermally conductive plate
Material forming, wherein it is contemplated that the forming arrangements being made of the material of such as ferrous metal, aluminium or also copper.On the other hand, heat transmitting member
Part however can also have following design scheme, realize from battery module by heat transfer element into active cooling device
Higher hot-fluid.
Heat transfer element can be seen as passively, when itself does not have the auxiliary device supplied with especially electric energy such as ventilation
When machine or circulating pump (improving transporting for heat by it).
Thus cooling device can regard as active, when its have especially with electric energy supply auxiliary device such as ventilation blower or
When circulating pump (improving transporting for heat by means of it).
Heat transfer element also sticks on battery module other than with the contact area of single lattice electrode or forms battery module
Cell negative terminal at, thus can be into and thus with battery module or the one or more other contact areas of cell negative terminal construction
One step improves the hot-fluid from battery module and/or cell negative terminal into heat transfer element.
The battery implemented according to the present invention can be filled with the cryogen cooling having been integrated in motor vehicle in an advantageous manner
It sets and is connected, the cooling of battery can be significantly improved thus relative to the simple cooling of the battery housing base via battery
Efficiency or effect.
If being furthermore formed with connector at heat transfer element, make passively heat transfer element and active cooling via it
Device shape-ordinatedly and/or force-fitting and be connected with heat conduction, then by heat transfer element from battery module via electricity
The heat that the single lattice electrode of pond single lattice guides can valuably by carrying-off or be transmitted at active cooling device, wherein can be real simultaneously
The fixation of existing heat transfer element.Accordingly, it is envisioned that being configured with the connector in the form of holder, wherein connector can be used as
The holder of coolant line for active cooling device.Connector is advantageously transverse to the principal plane of heat transfer element in warm
The forming of at least one of side of transmitting element place.Coolant line can have substantially right-angle cross section herein, to connect
Part observes the cross section that can equally have substantially square in their longitudinal direction.Heat transfer element will be (same in this case
Sample is observed along the longitudinal direction of connector) cross-sectional shape with T formula.
In the extremely beneficial improvement project of one kind of the invention, furthermore heat transfer element according to the principle of heat pipe or according to
The principle of the heat pipe of cooling cycle with closure constructs, wherein the principle of heat pipe should particularly correspond to heat pipe
(Heatpipe) principle.In a kind of such embodiment, heat transfer element is answered furthermore not by shaping solid material
With internal structure, closely sealed by wall portion relative to ambient enviroment.Internal structure includes at least one cavity herein
And the wick tissue (Docht-Gebilde) with a large amount of capillaries, wherein wick tissue can for example by porous material or but
Twisted wire braided fabric (Litzengeflecht) forming be ordered into and/or not orderly.The heat transfer element closely sealed this
Outside with interaction medium, such as example water, acetone, ammonia or there are also propylene fill, wherein the internal pressure in heat transfer element is opposite
In encirclement atmospheric pressure reduce and for example can be at 0.1 bar to 0.3 bar range in, be particularly in 0.2 bar, to act on Jie
The boiling pressure of matter reaches in the situation of the running temperature of heat transfer element.Such running temperature can be taken the photograph for instance in about 30
In family name's degree.Due to from the liquid of interaction medium mutually to the phase transition in gaseous state phase, by the evaporation needed for this can be achieved come
From the hot-fluid considerably higher relative to solid material of battery module, thus the running temperature of battery module is compared to by solid material
The heat transfer element that material is constituted can decline.Evaporation can should result from the heat guided via single lattice electrode from battery module, wherein
Thus the gaseous interaction medium occurred by by heat via by the cooling connector of the cooling system of active from gaseous
Interaction medium guides and condenses and thus mutually exist with liquid again.Gaseous interaction medium is by heat transfer element along connector
The flowing in direction will be adjusted herein via cavity.Wick tissue with its multiple capillary promotes, by means of via capillary
Pipe generate capillarity produce direction of the interaction medium in the state of aggregation of its liquid movement and its can lead back (or
To be recycled back to, i.e. r ü ckgef ü hrt) evaporation process again.
In the molding situation of the heat transfer element of the principle of the heat pipe of cooling cycle of the basis with closure, heat transmitting
The side towards battery module of element can be used as evaporator, and the side away from battery module of heat transfer element can be used as condenser.
Furthermore can advantageously observe one embodiment of the present invention, form wherein with hot plate, heat comb (or for heat
Coxcomb, i.e. W rmekamm) or heat grate form heat transfer element and/or be configured to hot plate, heat comb or heat grate heat
Transmitting element is constructed according to the principle of the heat pipe of the cooling cycle with closure.
Here, in the form of heat grate construct heat transfer element should have it is with intersection, preferably however uncrossed
The molding heat conducting element in the stick of form ground is limited by circular insert or there are also frame.Connector herein can shape
At insert or there are also a part of frame.
In the case where with the heat transfer element of the form forming of heat comb, a kind of structural scheme can be so imagined, so that stick
Shape heat conducting element molding and arrange with being separated from each other on intermediate space be almost used as comb teeth from comb lateral member
Surface extends, wherein comb lateral member can be shaped by connector.Heat conducting element of stick itself can herein in the form of heat pipe but
Or also by solid material constructions.
Heat transfer element or the corresponding floor type of the heat transfer element for being configured to hot plate, that is basic type above
It forms with extending in the principal plane of heat transfer element, wherein hot plate is less than hot plate perpendicular to the extension of principal plane and is in principal plane
Interior extension.
Heat transfer element can be especially for example made of two half-shells using the forming arrangements as hot plate or heat grate, they that
This connection.Can imagine herein, half-shell is for example realized by the connection of Friction Stir Welding, wherein in order to by heat transfer element at
Shape is hot plate or heat grate, and at least one of half-shell must for example be added by means of punching press, bending and/or deep-draw in the pre-connection
Work.
In another extremely beneficial design scheme of the invention, heat transfer element have separated by intermediate space,
Stick molding heat conducting element and/or intermediate space, the spacing of heat conducting element and/or cross section herein especially perpendicular to stick
The longitudinal direction of the molding heat conducting element in ground or placement configurations depending on corresponding heat conducting element in heat transfer element.It is transversal
Thus at least one cross-sectional shape and cross-sectional area of face, that is cross section of corresponding heat conducting element can depend on
Position of the corresponding heat conducting element in heat transfer element and be configured differently.The construction depending on position of cross section is answered herein
It is corresponding with construction of the single lattice electrode at the corresponding position of corresponding heat conducting element, wherein cross section is so matched with single lattice
The moulding of electrode, so that obtaining the large area between the single lattice electrode in heat conducting element and subordinate or the single lattice electrode of multiple subordinates
Contact area.Thus, it can be achieved that hot-fluid as high as possible in from single lattice electrode to heat transfer element.
The foreseeable design scheme of battery according to the present invention is also characterized in that heat conducting element depends on thermally conductive member
The cross section of the position of part have open or closure polygon shape (if with it is possible that polygon the second section
Corresponding reflection point at rounding angle).Furthermore the shape of cross section, that is cross-sectional shape can be triangle, four
It is angular, trapezoidal or there are also special polygonal, wherein to implement to original angle connection rounding.It is also contemplated that the route opened.With
Which can be advantageously carried out high compactedness of the heat conducting element between single lattice electrode and thus in corresponding single lattice electrode and heat
High contact area between transmitting element, wherein furthermore the manufacture of the simplification of heat transfer element passes through punching press, bending and/or deep-draw
Combination realize.
It is furthermore advantageously improved in scheme in one kind of the invention, heat transfer element is conductively constructed and/or is electrically coupled
And/or the electrical contact of cell negative terminal in parallel is realized via its single lattice electrode by means of conductive heat transfer element.Due to heat
The electric conductivity of transmitting element can save contact boots (or being contact boots, i.e. Kontaktschuhe), usually in an advantageous manner
The electrical contact of single lattice electrode will be carried out by means of it.Correspondingly it is required that for each battery module or even battery mould
Each side (single lattice electrode is configured at this) of block is disposed with more than one heat transfer element.
If battery according to the present invention however so construction so that heat transfer element electrical isolation ground implement or have electricity absolutely
Edge, is electrically insulated by its heat transfer element relative to single lattice electrode and/or the electric insulation part that has of heat transfer element is to apply to cover
The heat-conducting cream of paint layer, the layer, film, film and/or the electrical isolation that are generated by means of cathode dipping lacquer on to the surface of heat transfer element
Layer, then this can be described as follows it is very promising, that is, for each side of each battery module or battery module
(single lattice electrode is configured at this) merely has to be disposed with each heat transfer element, this is in connecing relative to contact single lattice electrode
The situation of the manufacturing cost higher for the possibility of heat transfer element of contact shoes is economically significant design scheme.With regard to this
Speech it is contemplated that heat transfer element itself by have however the electrically insulating material of the higher capacity of heat transmission manufacture.On the other hand, furthermore
It provides, is transmitted come electric insulation by the heat that conductive material manufactures by applying to nonconducting coating on the surface of heat conducting element
Element.The latter realizes the more flexible selection of the material for manufacturing heat transfer element, wherein the material thus for example can be with
The interaction medium being brought into heat transfer element is coordinated, so that material and interaction medium do not have each other or with only lesser anti-
It should be inclined to.
When the battery module of battery or multiple battery modules individually or with group are passed with heat transfer element or multiple heat
It is by encapsulation part medium-tight and especially impermeable herein in the case where excluding the connector of heat transfer element to pass element
When for example being surrounded by using the close shell of castable and/or liquid with crossing liquid, just there is also one kind of the invention extremely to meet
The design scheme of practice.Battery module, multiple battery modules or even all electricity for forming battery can be predictably prevented as a result,
Pond module is to prevent by the leakage of the cooling medium such as active cooling device of such as water percolation, to serious failure, for example pass through
A possibility that short circuit caused by effect of the cooling medium for battery module, can be minimized.However still, furthermore exist via
Furthermore positioned at medium-tight encapsulation part outside connector one or more battery module it is effective cooling a possibility that.
Furthermore a kind of furthermore far-sighted structural scheme of the invention is characterized in that heat transfer element has internal junction
Structure, the part of wherein heat transfer element or section construct porously and/or the porous part of heat transfer element or section or
The heat transfer element is manufactured by means of 3D printing method and/or sintering method.Here, especially being beaten in heat transfer element by means of 3D
It is possible that the internal structure of heat transfer element is designed in this way in the situation of the manufacture of impression method, so that allowing in heat transmitting member
The uniform cooling of temperature decline on part for example preferably adjusted relative to sintering method and be achieved in battery module.
Detailed description of the invention
The present invention allows many embodiments.In order to further demonstrate that its basic principle, it is some presented in drawing and with
After describe.In drawing:
Fig. 1 shows the diagram of battery module；
Fig. 2 shows a kind of improvement projects of battery according to the present invention；
Fig. 3 a, 3b show the improvement project for being configured to the heat transfer element of hot plate；
Fig. 4 a, 4b show the component being made of hot plate and coolant line；
Fig. 5 shows a kind of improvement project for being configured to the heat transfer element of heat comb；
Fig. 6,7 show the improvement project for being configured to the heat transfer element of heat grate；
Fig. 8,9 show the battery module with encapsulation part；
Figure 10 shows in cross section the details diagram of battery module.
List of numerals
1 battery
2 battery modules
3 cell negative terminals
4 single lattice electrodes
5 cooling devices
6 heat transfer elements
7 intermediate spaces
8 connectors
9 hot plates
10 heat combs
11 heat grates
12 heat conducting elements
13 cross sections
14 encapsulation parts
15 coolant lines
16 cooling line connectors
17 sides
18 openings
19 surfaces
20 frames
21 shells
22 castables
23 outsides
L longitudinal direction
P arrow direction
H principal plane.
Specific embodiment
Fig. 1 shows battery module 2, is made of multiple be electrically coupled with cell negative terminal 3 in parallel.Cell negative terminal 3 exists
This is with each two single lattice electrodes 4.In order to by heat presented from battery module 2 or in Fig. 2 by 2 groups of multiple battery modules
At battery 1 guide, arrange at battery module 2 in end side there are two heat transfer element 6, makes battery module 2 indirectly via it
It is connected with transmitting with 5 heat of active cooling device presented in more detail in Fig. 2.Heat transfer element 6 has multiple pass through herein
The intermediate space 7 of logical heat transfer element 6, wherein single lattice electrode 4 is by the intermediate space 7 of heat transfer element 6 from heat transfer element
6 side towards battery module 2 extend to heat transfer element 6 on the side of battery module 2, and with 6 structure of heat transfer element
The contact area connected with making multiple heat transmitting.Each connector 8 is furthermore formed at heat transfer element 6, it will via it
Heat transfer element 6 shape-ordinatedly and is with heat conduction connected with the coolant line 15 for belonging to cooling device 5.Coolant line
Furthermore 15 are fluidly connected via cooling line connector 16 is permeable each other.
Fig. 2 shows the batteries 1 being made of multiple battery modules.Active cooling device 1 is in the improvement project of battery 1
It is attached to via two circulations respectively of coolant line 15 and cooling line connector 16 and to be presented in more detail in Fig. 1
And it is arranged at the heat transfer element 6 at battery module 3.
The improvement project that heat transfer element 6 is presented in Fig. 3 a and 3b, is configured to hot plate 9.In detail, herein may be used
It identifies intermediate space 7, is constructed to same form in two improvement projects.The heat transmitting member of hot plate 9 is configured at two
Furthermore connector 8 is formed at part 6, wherein they are distinguished from each other in improvement project.The connector 8 pointed out in fig. 3 a is only
In contrast furthermore allow to install coolant line 15 along the longitudinal direction L of connector 8, the connector 8 presented in fig 3b
The installation for allowing the P in the direction of the arrow for being transversely to the machine direction direction L of heat transfer element 6 to be directed toward towards 3 ground of battery module.This passes through
Following manner determines, that is, the forming section of the connector 8 presented in fig 3b is in the side towards battery module 3 of heat transfer element
There is opening 18 on 17.
The diagram pointed out in figs 4 a and 4b include with connector 8 being illustrated in Fig. 3 a and 3b and be configured to hot plate
9 heat transfer element 6 (in the basic arrangement feasible scheme at battery module 3), wherein save refer in Fig. 1 respectively
The diagram of battery module 3 out.Heat transfer element again via connector 8 with belong to cooling device 5 coolant line 15 and
Cooling line connector shape-ordinatedly and is with heat conduction connected.
The other embodiment of heat transfer element 6 is presented in Fig. 5,6 and 7, wherein the heat pointed out in Fig. 5
Transmitting element 6 is configured to heat comb 10, and the heat transfer element 6 pointed out in figs. 6 and 7 is configured to heat grate 11.
Presented in Fig. 5 heat comb 10 it is by stick molding and via the intermediate space 7 erratically constructed to each other
The heat conducting element 12 that constructs to separatedly arrange and cylindricality forms, as comb teeth from the comb lateral member for being configured to connector 8
Surface 19 extend.The intermediate space 7 erratically constructed is determined by position of the heat conducting element 12 in heat transfer element 6 herein
It is fixed, wherein the position is determined by corresponding single lattice electrode 4.
Fig. 6 and 7 is shown as the embodiment of heat transfer element 6 being already mentioned above in the form of heat grate 11, wherein
It points out in the diagram of right side arrangement across the section of heat grate 11 respectively.It is same basic as hot plate 9 and heat comb 10
It forms with extending in principal plane H to type above, wherein heat grate 11 is less than heat grate 11 perpendicular to the extension of principal plane H
Extension inside principal plane H.Corresponding to the heat comb 10 presented in Fig. 5, heat grate 11 has in uncrossed form
The molding heat conducting element 12 in separated by intermediate space 7, stick ground, wherein it is in the embodiment of heat grate 11 by frame
Frame 20 limits.Furthermore connector 8 forms a part of frame 20.The heat grate 11 presented in figs. 6 and 7 is furthermore corresponding at it
It is mutually distinguished in the structural scheme of heat conducting element 12, this is obtained by the different manufacturing sequences of heat grate 11.It is presented in Fig. 6
When heat grate 11 is generated by punching press, bending, deep-draw and engagement, and the heat grate 11 presented in Fig. 7 is then only by punching press, curved
Bent and engagement manufacture.
Two battery modules 2 for furthermore presenting the battery 1 presented in Fig. 2 in figs. 8 and 9, and are belonging respectively to electricity
The heat transfer element 6 of pond module 2 is at group but close by 14 medium of encapsulation part other than the connector of heat transfer element 68
Feud surrounds.The castable 22 that encapsulation part 14 is pointed out at this by shell 21 and in Fig. 9 forms.Here, shell 21 in Fig. 9
Pellucidly present.Corresponding connector 8 not by encapsulation part 14 surround and four present in two companies for being arranged in outside 23
The furthermore chamfered edge (or be crimping, i.e. abkanten) of fitting 8, thus it is with bending.
Figure 10 is shown in cross section by the detail view for two battery modules 2 that multiple cell negative terminals 3 form respectively, battery
Single lattice is respectively provided with two single lattice electrodes 4 again.Corresponding heat transfer element 6 with being directed toward separate by intermediate space 7, stick at
The heat conducting element 12 of type, wherein stick molding heat conducting element 12 cross section 13 depend on corresponding heat conducting element 12 exist
Placement configurations in heat transfer element 6.Here, the cross section of the position depending on heat conducting element 12 of corresponding heat conducting element 12
13 shapes with polygon.Heat transfer element 6 is furthermore at battery module 2 so be arranged on, so that single lattice electrode 4 extends through
The intermediate space 7 of heat transfer element 6 and the contact area being connect with constructing each heat transmitting with heat transfer element 6.
The heat transfer element 6 presented in all figures is by shaping solid material.
Claims (10)
1. a kind of battery (1), there is at least one battery module (2), the battery module (2) be electrically coupled by multiple and/or
Cell negative terminal (3) composition in parallel, the cell negative terminal (3) respectively have at least two single lattice electrodes (4) and the cell negative terminal
(3) and its single lattice electrode (4) belong to the battery module (2) modular unit group, herein in order to by heat from described
Battery (1) guides, at least one of the modular unit being made of at least described cell negative terminal (3) and the single lattice electrode (4)
It is connected indirectly with active cooling device (5) heat transmitting ground, and the arrangement that indirect heat passes through heat transfer element (6) is
It is achievable, which is characterized in that for each battery module (2) of the battery (1), at least one is with described in multiple perforations
The passively heat transfer element (6) of the intermediate space (7) of heat transfer element (6) at the battery module (2), makes so be arranged on
The single lattice electrode (4) extend through the heat transfer element (6) intermediate space (7) and with the heat transfer element (6)
The contact area of at least one each heat transmitting ground connection of construction.
2. battery (1) according to claim 1, which is characterized in that be formed with connector at the heat transfer element (6)
(8), via described in the connector (8) passively heat transfer element (6) and the active cooling device (5) shape-ordinatedly and/
Or force-fitting and be connected with heat conduction.
3. battery (1) according to claim 1 or 2, which is characterized in that the heat transfer element (6) is according to the original of heat pipe
Reason is constructed according to the principle of the heat pipe of the cooling cycle with closure.
4. the battery according at least one of preceding claims (1), which is characterized in that the heat transfer element (6) with
Hot plate (9), heat comb (10) or heat grate (11) form molding, and/or be configured to the hot plate (9), it is described heat comb (10) or
The heat transfer element (6) of the heat grate (11) is constructed according to the principle of the heat pipe of the cooling cycle with closure.
5. the battery according at least one of preceding claims (1), which is characterized in that heat transfer element (6) tool
With having separate by the intermediate space (7), stick molding heat conducting element (12), and/or the intermediate space (7), institute
State heat conducting element (12) spacing and/or the stick molding heat conducting element (12) cross section (13) depend on it is corresponding
Placement configurations of the heat conducting element (12) in the heat transfer element (6).
6. the battery according at least one of preceding claims (1), which is characterized in that heat conducting element (12) take
Certainly there is in the cross section (13) of the position of the heat conducting element (12) shape of polygon.
7. the battery according at least one of preceding claims (1), which is characterized in that the heat transfer element (6) is led
Construct electricly, and/or be electrically coupled and/or the electrical contact of cell negative terminal (3) in parallel via its single lattice electrode (4) by means of
The heat transfer element (6) of the conduction is realized.
8. the battery according at least one of preceding claims (1), which is characterized in that heat transfer element (6) electricity
Insulated implementation has electric insulation part, by heat transfer element described in the electric insulation part (6) relative to the single lattice electrode (4)
The electric insulation part that electrical isolation and/or the heat transfer element (6) have is applied on the surface of the heat transfer element (6)
Paint layer, generated by means of cathode dipping lacquer layer, film, film and/or electrical isolation heat-conducting cream layer.
9. battery (1) according to any one of the preceding claims, which is characterized in that the battery module of the battery (1)
(2) or multiple battery modules (2) individually or with heat transfer element (6) or multiple heat transfer elements (6) at group in addition to
It is surrounded except the connector (8) of the heat transfer element (6) by encapsulation part (14) medium-tight.
10. battery (1) according to any one of the preceding claims, which is characterized in that the heat transfer element (6) has
Internal structure, the part of the heat transfer element (6) or section construct porously wherein, and/or the heat transfer element (6)
Porous part or section or the heat transfer element (6) manufactured by means of 3D printing method and/or sintering method.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017217886 | 2017-10-09 | ||
| DE102017217886.8 | 2017-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109638376A true CN109638376A (en) | 2019-04-16 |
Family
ID=66066381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811171993.3A Pending CN109638376A (en) | 2017-10-09 | 2018-10-09 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638376A (en) |
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| DE202016104759U1 (en) * | 2016-07-06 | 2016-09-09 | Astrit Hajzeraj | Battery and connection plate for a battery |
| CN106711543A (en) * | 2016-12-23 | 2017-05-24 | 惠州市亿能电子有限公司 | Battery module with water-cooling heat dissipation for tabs |
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| JP2003346921A (en) * | 2002-05-24 | 2003-12-05 | Matsushita Electric Ind Co Ltd | Storage battery |
| CN102326290A (en) * | 2009-02-23 | 2012-01-18 | 锂电池科技有限公司 | Battery having diverting device |
| CN102884673A (en) * | 2010-05-18 | 2013-01-16 | 株式会社Lg化学 | Compact cooling member having superior stability, and battery module comprising same |
| DE102010051010A1 (en) * | 2010-11-10 | 2012-05-10 | Daimler Ag | Electrical energy storing device for use as electrical energy storage i.e. battery, for partially electrically-driven vehicle, has heat-conducting element staying in thermal-contact with parts of cell stack and thermally connected with pipe |
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Application publication date: 20190416 |