CN106299228A - Battery cell and the method for attachment of battery cell - Google Patents

Battery cell and the method for attachment of battery cell Download PDF

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Publication number
CN106299228A
CN106299228A CN201610651229.0A CN201610651229A CN106299228A CN 106299228 A CN106299228 A CN 106299228A CN 201610651229 A CN201610651229 A CN 201610651229A CN 106299228 A CN106299228 A CN 106299228A
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CN
China
Prior art keywords
battery
battery cell
terminal
cell
housing cover
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
CN201610651229.0A
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Chinese (zh)
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CN106299228B (en
Inventor
M·赖尼希
A·克隆辛斯基
T·克格尔
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN106299228A publication Critical patent/CN106299228A/en
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Publication of CN106299228B publication Critical patent/CN106299228B/en
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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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/6554—Rods or plates
    • 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 of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/517—Methods for interconnecting adjacent batteries or cells by fixing means, e.g. screws, rivets or bolts
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/562—Terminals characterised by the material
    • 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 battery cell (10；101, 102；101a...102l), it is characterised in that: the first electric terminal (14；141, 142；141a...142l), it is at battery cell (10；101, 102；101a...102l) a face on along this face center line structure；With the second electric terminal (18；181, 182；181a...182l), it is at battery cell (10；101, 102；101a...102l) this face on about the first terminal (14；141, 142；141a...142l) construct at interval with center line the most overlappingly；The present invention relates to for connecting battery cell (10；101, 102；101a...102l) method, and battery pack (100), battery module (200), set of cells and vehicle.

Description

Battery cell and the method for attachment of battery cell
Technical field
The present invention is from according to the battery cell of independent claims kind or method.Subject of the present invention also has electricity Pond group bag, battery module, set of cells and vehicle.
Background technology
There is multiple battery cell and multiple for accommodating set of cells from the DE 10 2,013 201 021 known one of A1 The battery module of the container of battery.Here, each container of battery module has container bottom, container cover plate and layout Chamber wall that is between container bottom and container cover plate and that formed by plastics.It addition, each container bottom has cooling Plate, this coldplate is integrated on container bottom so that can between battery cell and the coldplate in being arranged in corresponding container To set up thermal conductive contact.
From the known a kind of battery module of DE 10 2,011 089 949 A1, including multiple battery cells, they interconnection Existing with becoming desired modular structure, the most each battery cell has single metal shell.According to this invention Battery module is characterised by, the most whole battery module is closed with to air impervious collapsible tube, to prevent around Environment.
From the known a kind of battery module of DE 10 2,011 088 595 A1, including the electricity being combined into battery pack in a large number Pond Battery pack, described battery cell is respectively positioned in the metal shell with electric insulation coating and two keysets, institute State keyset to be close to the external cell Battery pack of battery pack from side.This battery module is characterised by, exhausted by electricity The half that edge material is formed is arranged between keyset and external cell Battery pack, and described half at least covers external battery pack electricity The circumferential lateral edge pointing to keyset in pond.
Summary of the invention
Battery cell and the method with independent claims feature have the electrical connection that can simplify battery cell Advantage.Thus can shorten the length of electrical connection and/or reduce the number along the component electrically connected.Thus can reduce merit Rate is lost, and/or, such as, increase the operating radius of vehicle.Furthermore, it is possible to reduce battery pack, battery module and/or electricity The weight of pond group and/or volume.Furthermore, it is possible to reduce battery pack, battery module and/or the structure height of set of cells.Cause This battery cell, as the electric vehicle (battery electric vehicle, BEV) of battery driven or plug-in type The battery cell of motor vehicle driven by mixed power (plug-in hybrid electric vehicle, PHEV), battery pack, battery Group module and/or set of cells such as may be used for the installation in vehicle bottom (bottom installation).Thus this vehicle can obtain relatively Smooth structure type or version, and/or make vehicle's center of gravity put lower.Therefore safety can be improved.Furthermore, it is possible to (front) that is bigger side before battery cell is made to be readily available.Thus increase to temperature control component Contact surface.Therefore the temperature regulation of battery cell, battery pack, battery module and/or set of cells, Yi Jileng can be improved But or heating.Additionally, job step, such as Connection Step when manufacturing battery pack, battery module and/or set of cells are permissible Reduce.Therefore cost can be reduced, such as manufacturing cost and operating cost.
Device and the side with independent claims feature can be realized by the measure mentioned in the dependent claims The advantageous extension of method and improvement.
If the first terminal includes the first free end of the electric terminal for contacting other battery cell, then this is had Have the advantage that electrical connection can more flexible be implemented.If other battery cell is identical with this battery cell structure, Join or compatibly construct, then this this have the advantage that battery cell can be connected with each other as required in addition.Here, coupling or Compatible battery cell such as can have half capacity relative to this battery cell and therefore have the size of half, Or there is twice capacity and therefore there is the size of twice.
If the second terminal includes the second free end of the electric terminal for contacting other battery cell, then this is had Have the advantage that electrical connection can be implemented more neatly.
If the first terminal and the second terminal construct, implement or shape identical or substantially the samely, then this is had Advantage is to simplify the manufacture of battery cell.Here, the quantity of different component can be reduced.Therefore, it can reduce cost, Such as manufacturing cost and storage keeping cost.
If the front of the back side of the first terminal and the second terminal is in alignment with each other, then this advantageously set of cells electricity The terminal in pond can be connected to each other directly, such as, bond, clamp, screw tightening or welding.Therefore battery connector can be cancelled.
If battery cell is configured to prismatic battery Battery pack, then this advantageously battery cell can To save space, each other near seamless unoccupied place layout.
If the first terminal and the second terminal are arranged on battery cell cover plate, then this is advantageously by answering Such as in terminal size and location, battery cell can be configured with different battery cell cover plates.
If battery cell is fixed in battery housing cover, is cemented, is clung, is tightened, is clamped or ratcheting, then this institute Have the advantage that can be prevented from battery cell drops out from battery housing cover or skid off.
If coldplate is placed on battery cell, then this advantageously can cool down battery cell and Cool down other battery cells if desired.Therefore effective power and the life-span of battery module can be improved.
If battery pack includes other battery housing cover, then this advantageously can with modularity and/or Construct battery pack symmetrically.Thus can simplify the structure of battery pack.
If other multiple battery cell is arranged in other battery housing cover so that other battery cell One of the first terminal and described other battery cell in another the second terminal face each other, and described separately Outer battery cell offsets one from another or arranges with shifting, then this advantageously battery module can include other Cell plane.Such as, thus coldplate can be arranged between cell plane.Therefore battery pack can be simplified further Structure.
If the terminal of other battery cell is connected to other battery strings, then this advantageously can be another The structure of secondary simplification battery pack.
If other battery cell is fixed in other battery housing cover, is cemented, is clung, is tightened, is clamped Or ratcheting, then this is advantageously possible to prevent other battery cell to drop out from other battery housing cover Or skid off.
If other battery housing cover is placed on battery housing cover turningly, then this advantageously may be used To close as chest and to protect battery cell.In corresponding design, battery housing cover and other battery pack case Body cover can have identical battery housing hood shape.
If by battery connector or wire the first terminal of battery cell last for battery strings and other Second terminal of the first battery cell of battery strings connects, for battery strings and other battery strings being connected into total string, Then this advantageously battery pack higher terminal voltage can be provided.
If battery housing cover is closed, then this advantageously can preferably protect battery cell.
If such as device, set of cells segregation apparatus, battery cell monitoring arrangement, battery cell will be controlled set of cells Battery housing cover and/or other battery housing are put into or be building up to the device of monitoring circuit or temperature-adjusting device etc In cover, then this advantageously can improve the function of battery pack.
If putting into and connect the sensing of such as temperature sensor, voltage measurement sensor or current metering sensor etc Device, then this advantageously can improve the supervision of battery cell.Thus can improve battery pack reliability and Life-span.
If being laid with bunch of cables, then this advantageously can make battery cell, device and sensor more may be used It is connected to each other by ground.Space requirement can be reduced by cabling bundle in terminals side space between the battery cells.By This can more compactly construct battery pack.
Vehicle such as may be constructed such that such as electric motor vehicle, motor vehicle driven by mixed power, plug-in type motor vehicle driven by mixed power, electricity Dynamic motorcycle (Elektro-Bike, E-Bike (electric bicycle)) or electric bicycle (Pedal Electric Cycle, Pedelec (pedal electric bicycle)) etc motor vehicles, such as electric ship or submarine (U-Boot (submarine)) etc Navigation device, aircraft or spacecraft.
Accompanying drawing explanation
Embodiments of the invention are shown in the drawings and the most explained in detail.
Fig. 1 illustrates the simplification front view of the battery cell 10 according to one embodiment of the present invention；
Fig. 2 illustrates the simplification top view of the battery cell 10 of this embodiment according to the present invention；
Fig. 3 illustrates the simplification front view of the battery pack 100 according to another embodiment of the present invention；
Fig. 4 illustrates the simplified side fragmentary cross-sectional view of the battery pack 100 of this another embodiment according to the present invention；
Fig. 5 illustrates the first battery housing cover 40 of the battery module 200 according to another embodiment of the present invention1's Simplify internal view；
Fig. 6 illustrates the second battery housing cover 40 of the battery module 200 of this another embodiment according to the present invention2 Simplification internal view；And
Fig. 7 illustrates the simplified side profile of the battery module 200 of this another embodiment according to the present invention.
Detailed description of the invention
Fig. 1 illustrates the simplification front view of the battery cell 10 according to one embodiment of the present invention.
Battery cell 10 can be configured to prismatic battery cell as shown in exemplary in Fig. 1.Set of cells electricity Pond 10 includes battery cell housing 12, battery cell cover plate 13 and the first electricity being arranged on battery cell cover plate 13 Terminal (battery terminal) 14 and the second electric terminal 18, this first electric terminal may be constructed such that negative pole as shown in exemplary in Fig. 1, This second electric terminal may be constructed such that anelectrode as shown in exemplary in Fig. 1.First electric terminal 14 includes the first free end 15, In this first free end such as Fig. 1 exemplary shown in can be along the directional structure vectorical structure of the second electric terminal 18.Second electric terminal 18 includes Two free ends 19, exemplary in this second free end such as Fig. 1 shown in can be along the directional structure vectorical structure of the first electric terminal 14.The first terminal 14 and second terminal 18 can construct in the same manner.As in Fig. 1 for the first electric terminal 14 exemplary shown in, the first electric terminal 14 And/or second electric terminal 18 can include inclined-plane 16 or step (Phase).This inclined-plane may be used for corresponding electrical terminals 14,18 Labelling.Therefore, the first terminal 14 can be substantially the same with the second terminal 18 construct.First electric terminal 14 and/or the second electricity Terminal 18 can include the metal of such as aluminum, copper or steel etc.
Fig. 2 illustrates the simplification top view of the battery cell 10 of this embodiment according to the present invention.
Set of cells cover plate 13 forms the face of rectangle, and the long limit in this face is determined by the front of battery cell 10, and it is short While determined by the side of battery cell 10.Here, a center line is medially parallel to front on set of cells cover plate 13 and extends. The first terminal 14 constructs on this face along center line.Therefore, the first terminal 14 is symmetrically arranged on center line, and the first terminal Front (downside in fig. 2) and the back side (upside in fig. 2) of 14 are parallel to center line at substantially identical distances and extend.Second Electric terminal 18 constructs with this center line the most overlappingly at interval about the first terminal 14 on this face.Therefore, the second terminal 18 with Center line is arranged asymmetrically, and the front and back of the second terminal 18 is parallel to center line in the half in this face and extends.Here, As represented schematically in figure 2, the back side of the first terminal 14 and the front of the second terminal can be mutually aligned or substantial alignment.The One terminal 14 and the second terminal can separate equal width with hithermost side as represented schematically in figure 2.
Fig. 3 illustrates the simplification front view of the battery pack 100 according to another embodiment of the present invention.
Battery pack 100 includes the first battery cell 101With the second battery cell 102, they correspond respectively to reference The battery cell that Fig. 1 and 2 describes.First battery cell 101With the second battery cell 102It is arranged to each other so that electricity Pond Battery pack 101, 102Include the first terminal 14 respectively1, 142With the second terminal 181, 182Set of cells cover plate 131, 132Each other Face-to-face.Here, battery cell 101, 102It is arranged to offset one from another or the half on moving long limit so that the first battery cell 101The first terminal (negative pole) 141With the second battery cell 102The second terminal (positive pole) 182Face each other.Therefore electricity Pond Battery pack 101, 102Can be one another in series (serial) electrical connection.
Fig. 4 illustrates the simplified side fragmentary cross-sectional view of the battery pack 100 of this another embodiment according to the present invention.
Fig. 4 illustrates the first battery cell 10 with reference to Fig. 31Right flank and the second battery cell 102Cut open accordingly Face.First battery cell 101The first terminal 141About center line pair on the set of cells cover plate 13 of the first battery cell 10 Ground is claimed to arrange, and the first terminal 141Front (in Fig. 4 left side) and the back side (on the right side of in Fig. 4) at substantially identical distances It is parallel to center line extend.First battery cell 101The second electric terminal 181(in the diagram on right side by the first terminal 141) At the first battery cell 101Set of cells cover plate 131On about the first terminal 141Arrange at interval with center line the most overlappingly, And as shown in Figure 3 with the first terminal 141Arrange with spatially staggering.
Because the first battery cell 101With the second battery cell 102It is arranged to each other so that battery cell 101, 102Set of cells cover plate 131, 132Face each other, so the second battery cell 102The second electric terminal 182(in Fig. 4 In left side by the first battery cell 101The first terminal 141) at the first battery cell 101Set of cells cover plate 131On Arrange at interval with center line the most overlappingly about the first terminal 14, and as shown in Figure 3 with the first battery cell 101's The first terminal 141It is relatively arranged.Therefore, the first battery cell 101The first terminal 141The first free end 151 and second Battery cell 102Second terminal 182The second free end 192It is connected to each other directly, such as, bonds, clamp, screw tightening or weldering Connect.
Because terminal 141, 142, 181, 182Arrange the most overlappingly, and therefore the first battery cell 101With the second set of cells Battery 102Front and back be in alignment with each other, so battery cell 101, 102Economical space saving arrange especially, and set of cells Wrap 100 to construct particularly compactly.
Because battery cell 101, 102Offset one from another or arrange movably, thus battery pack 100 can include multiple, Such as 2,3,4,5,6 ... 36 ... or 72 battery cells 10.Here, the battery cell of coupling or compatibility is the most permissible There is the size of half, and therefore there is half capacity, or there is the size of twice, and therefore there is the capacity of twice.
Fig. 5 illustrates the first battery housing cover 40 of the battery module 200 according to another embodiment of the present invention1's Simplify internal view.
The battery module 200 of example includes the first battery housing cover 40 below shown in Fig. 51With institute in Fig. 6 The the second above battery housing cover 40 shown2.Such as, the first battery housing cover 401And/or the second battery housing cover 402 Plastics can be included.
First battery housing cover 401It is constructed or shapes for accommodating first a large amount of battery cells 101a...101l.The One a large amount of battery cells 101a...101lAs the first battery in the first cell plane in the first battery housing cover 403 String is arranged.Here, battery cell 101a...101lCan be as with reference to arranging described in Fig. 3 and 4 and being connected with each other. In order to terminal 14 is described1a...141l, 181a...181lTo respective battery Battery pack 101a...101lDistribution, have in Figure 5 Its terminal 141a...141l, 181a...181lEach battery cell 101a...101lIt is painted as continuous print face.Terminal can be straight Connect and/or indirectly by means of battery connector or contact site, connect such as clamped contact portion or grafting contact site.Here, battery Battery pack 101a...101lCan keep flat on its front or the back side.Battery cell 101a.101l, as shown in exemplary in Fig. 5, Can with wave linear arrange.Such as, battery cell 101a...101fCan as the first battery substring, and set of cells electricity Pond 101g...101lArrange as the second battery substring.Here, the last battery cell 10 of the first battery substring1f? One terminal 141fThe first battery cell 10 with the second battery substring1gThe second terminal 181G can by means of the first battery even Connect device 201It is electrically connected to each other.Therefore, the battery cell 10 of the first battery strings1a...101lCan be electrically connected in series to each other, and First battery cell 10 of the first battery strings1aThe second terminal 181aAnd the first last battery cell of battery strings 101lThe first terminal 141lCan serve as the terminal of the first battery strings.Alternatively, such as battery cell 101a...101lPermissible Zigzag ground is arranged.Thus the form factor of battery module 200 can be from the elongated rectangular or square when or substantially changed into Square.Additionally, battery module 200, as described in reference to Fig. 3 and 4, coupling or the battery of compatibility can be included Battery pack.
Battery module 200 can include other devices and/or element, and the first battery housing cover 401All right It is constructed or shapes for accommodating other devices and/or element.Such as, other devices can include that set of cells controls device (Battery Control Unit, BCU (set of cells control unit)), set of cells segregation apparatus (battery disconnect Unit, BDU (set of cells separative element)), battery cell monitoring arrangement or battery cell monitoring circuit (Cell Supervision Circuit, CSC (battery monitor circuit)) or temperature-adjusting device.Such as, described element can be constructed Sensing for circuit board 30, coldplate 50, such as temperature sensor, voltage measurement sensor or current metering sensor etc Device, strand or bunch of cables.Here, wire such as can be arranged terminal along battery substring between set of cells cover plate.
Fig. 6 illustrates the second battery housing cover 40 of the battery module 200 of this another embodiment according to the present invention2 Simplification internal view.
Second battery housing cover 402It is constructed or shapes for accommodating second a large amount of battery cells 102a...102l.The Two a large amount of battery cells 102a...102lAt the second battery housing cover 402Interior as the second battery in the second cell plane String is arranged.Here, battery cell 102a...102lAgain can be as with reference to arranging described in Fig. 3 and 4 and interconnecting mutually Connect.In order to terminal 14 is described2a...142l, 182a...182lTo respective battery Battery pack 102a...102lDistribution, as existed In Fig. 5 like that, there is its terminal 14 in figure 62a...142l, 182a...182lEach battery cell 102a...102lDrawn Become continuous print face.Here, battery cell 102a...102lCan keep flat again on its front or the back side.Battery cell 102a...102l, as shown in exemplary in Fig. 5, again can with wave linear arrange.Such as, battery cell 102a...102fCan Using as the 3rd battery substring, and battery cell 102g...102lArrange as the 4th battery substring.Here, the 3rd electricity The last battery cell 10 of pond string2fThe first terminal 142fThe first battery cell 10 with the 4th battery substring2g's Second terminal 182gCan be by means of the second battery connector 202It is electrically connected to each other.Therefore, the battery cell of the second battery strings 102a...102lCan be electrically connected in series to each other, and the first battery cell 10 of the 3rd battery strings2aThe second terminal 182aWith And the 4th last battery cell 10 of battery strings2lThe first terminal 142aCan serve as the terminal of the first battery strings.Substitute Ground, such as battery cell 102a...102lCan arrange with zigzag again.
Fig. 7 illustrates the simplified side profile of the battery module 200 of this another embodiment according to the present invention.
Fig. 7 illustrates have battery cell 101a, 101b, 101k, 101lThe first battery housing cover 40 with circuit board 301、 The coldplate 50 that keeps flat and there is battery cell 102a, 102b, 102k, 102lThe the second battery housing cover 40 kept flat2.This Outward, battery module 200 can be included in battery housing cover 401, 402Between arrange sealing member 60, as sealed cell The sealing ring of group module 200.
As shown in exemplary in Fig. 7, the last battery cell 10 of the second battery substring1fThe first terminal 141fWith First battery cell 10 of three battery substrings2aThe second terminal 182aCan be by means of the 3rd battery connector 2012Or wire It is electrically connected to each other.Coldplate 50 can include for battery connector 20 as shown in exemplary in Fig. 712Or the walking of wire Perforate.Therefore the battery cell 10 of the first battery strings1a...101lBattery cell 10 with the second battery strings2a...102l Can always go here and there by the most electrically coupled in series one-tenth, and the first battery cell 10 of the first battery strings1aThe second terminal 181aAnd second The last battery cell 10 of battery strings2lThe first terminal 142lCan serve as the terminal always gone here and there.Alternatively, the second battery substring Last battery cell 101lThe first terminal 141f, the first battery cell 10 of the 3rd battery substring2aThe second terminal 182a, the first battery cell 10 of the first battery strings1aThe second terminal 181aAnd/or second battery strings last set of cells electricity Pond 102lThe first terminal 142lSuch as can be connected with circuit board 30.For the sake of clarity, the end beyond the cross section of Fig. 7 it is in Son 141a...141k, 181b...181l, 142a...142k, 142b...182lNot shown.
With in the figure 7 with compared with the identical battery cell 10 of standing shown in side view, battery module 200 has Relatively low structure height, this battery module 200 includes having the battery cell 10 that recumbency is arranged1a, 101b, 101k, 101l, 102a, 102b, 102k, 102lTwo cell plane and the coldplate 50 that is arranged between cell plane.
Such as, it is used for connecting battery cell 101a...102lOr the method manufacturing battery pack 200 may include that offer First battery housing cover 401；By first a large amount of battery cells 101a...101lIt is inserted into the first battery housing cover 401In, Make battery cell 101a...101lOne of the first terminal 141a...141lWith battery cell 101a...101lIn another The second terminal 181a...181lFace each other, and battery cell 101a...101lOffset one from another or arrange with shifting, its Described in first a large amount of battery cells 101a...101lInclude the first terminal 14 respectively1a...141lWith the second terminal 181a...181l；By battery cell 101a...101lTerminal 141a...141k, 181b...181lConnect into the first battery strings. Additionally, the method may include that a battery cell 101a...101lFix, such as cement, as clung, tighten, clamp or tooth It is combined in the first battery housing cover 401In.Device is inserted additionally, the method may include that and/or is building up to the first set of cells Case cover 401In, cabling bundle and/or introducing and connection sensor.Additionally, the method can include as illustrated in fig. 7: Coldplate 50 is put into battery cell 101a...101lOn.
Additionally, the method may include that offer the second battery housing cover 402；Second a large amount of battery cells 102a...102lIt is inserted into the second battery housing cover 402In so that battery cell 102a...102lOne of the first terminal 142a...142lWith battery cell 102a...102lIn another the second terminal 182a...182lFace each other, and electricity Pond Battery pack 102a...102lOffset one from another or arrange with shifting；Battery cell 102a...102lTerminal 142a...142k, 182b...182lConnect into the second battery strings.Additionally, the method may include that a battery cell 102a...102lFixing, such as Cement, as clung, tighten, clamp or being ratcheting at the second battery housing cover 402In.Thus, set of cells electricity such as it is possible to prevent Pond 102a...102lFrom the second battery housing cover 402Inside drop out or skid off.Additionally, the method may include that insertion and/ Or build the second battery housing cover 402Device, cabling bundle and/or introducing and connection sensor.Additionally, the method can To include as illustrated in fig. 7: the second battery housing cover 402Overturn and be placed on the first battery housing cover 401Upper and/or Closing battery group case cover 401, 402。
In order to connect the first battery strings and the second battery strings, the method may include that in addition and connects by means of the 3rd battery Device 2012Or wire is the last battery cell 10 of the second battery substring1fThe first terminal 141fWith the 3rd battery substring First battery cell 102aThe second terminal 182bConnect.This connection such as can be the second battery housing cover 402It is placed on First battery housing cover 401On carry out before.Alternatively, this connection such as can be by the most closable perforate etc Perforate is carried out.This perforate can be at the first battery housing cover 401And/or the second battery housing cover 402Interior structure.

Claims (10)

1. battery cell (10；101, 102；101a...1021), it is characterised in that:
● the first electric terminal (14；141, 142；141a...1421), it is at battery cell (10；101, 102；101a...1021) On one face, the center line along described constructs, and
● the second electric terminal (18；181, 182；181a...1821), it is at battery cell (10；101, 102；101a...1021) About the first terminal (14 on described；141, 142；141a...1421) construct at interval with center line the most overlappingly.
2. according to the battery cell (10 of claim 1；101, 102；101a...1021), wherein:
● the first terminal (14；141, 142；141a...1421) include for contacting other battery cell (10；101, 102； 101a...1021) the first free end (15 of electric terminal；151, 152), wherein said other battery cell (10；101, 102, 101a...1021) can be with described battery cell (10:101, 102；101a...1021) structure is identical, coupling or compatibly Structure,
● the second terminal (18；181, 182；181a...1821) include the second free end (19；191, 192), other for contacting Battery cell (10；101, 102；101a...1021) electric terminal,
● the first terminal (14；141, 142；141a...1421) and the second terminal (18；181, 182；181a...1821) identical or base Construct in the same manner in basis, or
● the first terminal (141, 141, 142；141a... 1421) the back side and the second terminal (18；181, 182；181a...1821) Front is in alignment with each other or is substantially in alignment with each other.
3. according to the battery cell (10 of claim 1 or 2；101, 102；101a...1021),
Wherein:
● battery cell (10；101, 102；101a...1021) it is configured to prismatic battery Battery pack, or
● the first terminal (14；141, 142；141a...1421) and the second terminal (18；181, 182；181a...1821) it is arranged in electricity On pond Battery pack cover plate (13).
4. battery pack (100), including:
● battery housing cover (401),
● a large amount of battery cells (101a...1011), it includes the first terminal (14 respectively1a...1411) and the second terminal (181a...1811), wherein battery cell (101a...1011) it is arranged in battery housing cover (401In) so that set of cells electricity Pond (101a...1011) one of the first terminal (141a...1411) and battery cell (101a...1011In) another second Terminal (181a...1811) face each other, and battery cell (101a...1011) offset one from another or arrange with shifting, and Battery cell (101a...1011) terminal (141a...141k, 141b...1811) connect into battery strings.
5. according to the battery pack (100) of claim 4, wherein:
● it is configured with the battery cell (10 according to one of claims 1 to 31a...1021),
● battery cell (101a...1011) fix, cement, cling, tighten, clamp or ratcheting at battery housing cover (401In),
● coldplate (50) is placed into battery cell (101a...1011On),
● battery pack (100) includes other battery housing cover (402),
● by other substantial amounts of battery cell ((102a...1021) it is arranged in described other battery housing cover (402In), Make other battery cell (102a...1021) one of the first terminal (142a...1421) and other battery cell (102a...1021Another the second terminal (18 in)2a...1821) face each other, and other battery cell (102a...1021) offset one from another or arrange with shifting,
● other battery cell (102a...1021) terminal (142a...142k, 182b...1821) connect into other Battery strings,
● other battery cell (102a...1021) fix, cement, cling, tighten, clamp or ratcheting at other battery Group case cover (402In),
● other battery housing cover (402) upset be placed into battery housing cover (401On),
● by means of battery connector (2012) or wire, by the last battery cell (10 of battery strings1f) the first terminal (141f) and the first battery cell (10 of other battery strings2a) the second terminal (182a) connect, for by described battery String and other battery strings connect into total string,
● closing battery group case cover (401, 402)。
● device, set of cells are controlled device, set of cells segregation apparatus, battery cell monitoring arrangement, battery cell supervision Circuit or temperature-adjusting device insert or are building up to battery housing cover (401) or other battery housing cover (402In),
● insert and connect sensor, temperature sensor, voltage measurement sensor or current metering sensor, or
● cabling bundle.
6. battery module (200), including:
● according to the battery cell (10 of one of claims 1 to 3；101, 102；101a...1021), or
● according to the battery pack (100) of claim 4 or 5.
7. set of cells, including:
● according to the battery cell (10 of one of claims 1 to 3；101, 102；101a...1021),
● according to the battery pack (100) of claim 4 or 5, or
● according to the battery module (200) of claim 6.
8. vehicle, including:
● according to the battery cell (10) of one of claims 1 to 3,
● according to the battery pack (100) of claim 4 or 5,
● according to the battery module (200) of claim 6, or
● according to the set of cells of claim 7.
9. it is used for connecting battery cell (10；101, 102；101a...1021) method,
It is characterized in that:
● battery housing cover (40 is provided1),
● including the first terminal (14 respectively in a large number1a...1411) and the second terminal (182a...1821) battery cell (101a...1011) it is inserted into battery housing cover (401In) so that battery cell (101a...1011) one of the first terminal (141a...1411) and battery cell (101a...1011Another the second terminal (18 in)1a...1811) face each other, And battery cell (101a...1011) offset one from another or arrange with shifting, and
Battery cell (101a...1011) terminal (141a...141k, 181b...1811) connect into battery strings.
Method the most according to claim 9, includes in addition:
● the battery cell (10 according to one of claims 1 to 3 is provided1a...1021),
● battery cell (101a...1011) fix, cement, cling, tighten, clamp or ratcheting at battery housing cover (401In),
● coldplate (50) is put into battery cell (101a...1011On),
● other battery housing cover (40 is provided2),
● the most a large amount of battery cells (102a...1021) it is inserted into other battery housing cover (402In) so that additionally Battery cell (102a...1021) one of the first terminal (142a...1421) and other battery cell (102a...1021Another the second terminal (18 in)2a...1821) face each other, and other battery cell (102a...1021) offset one from another or arrange with shifting,
● other battery cell (102a...1021) terminal (142a...142k, 182a...1821) connect into battery strings,
● other battery cell (102a...1021) fix, cement, cling, tighten, clamp or ratcheting at other battery Group case cover (402In),
● other battery housing cover (402) overturn and be placed on battery housing cover (401On),
● by means of battery connector (2012) or wire, by the last battery cell (10 of battery strings1f) the first terminal (141f) and the first battery cell (10 of other battery strings2a) the second terminal (182a) connect, for described battery String and described other battery strings connect into total string,
● closing battery group case cover (401, 402),
● device, set of cells are controlled device, set of cells segregation apparatus, battery cell monitoring arrangement, and battery cell monitors Circuit or temperature-adjusting device insert or are building up to battery housing cover (401) or other battery housing cover (402In),
● introduce and connect sensor, temperature sensor, voltage measurement sensor or current metering sensor, or
● cabling bundle.
CN201610651229.0A 2015-06-10 2016-06-08 Battery cell and method for connecting battery cells Active CN106299228B (en)

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