CN105552383A - Conductive connection component in battery pack - Google Patents
Conductive connection component in battery pack Download PDFInfo
- Publication number
- CN105552383A CN105552383A CN201610083113.1A CN201610083113A CN105552383A CN 105552383 A CN105552383 A CN 105552383A CN 201610083113 A CN201610083113 A CN 201610083113A CN 105552383 A CN105552383 A CN 105552383A
- Authority
- CN
- China
- Prior art keywords
- collector plate
- battery pack
- aluminium
- coupling assembling
- connecting portion
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to the technical field of battery packs, in particular to a conductive connection component in a battery pack. The conductive connection component in the battery pack comprises a collector plate body, wherein the collector plate body comprises an aluminum plate; a plurality of electrode lug mounting holes are formed in the collector plate body; an aluminum-nickel composite belt is arranged on the collector plate body and is adjacent to the electrode lug mounting holes; the aluminum-nickel composite belt comprises an aluminum connection layer and a nickel connection layer which are tightly jointed; and the aluminum connection layer is connected to the collector plate body. The collector plate body utilizes an aluminum plate, so that the production cost is reduced.
Description
Technical field
The present invention relates to battery technology field, in particular to the conduction coupling assembling in a kind of battery pack.
Background technology
At present, electricity electric automobile used is all generally be stored in battery that electric automobile is installed.And due to electric automobile required electric energy when opening many, and generally, for the battery of same material, the more battery volume of energy storage is also larger, and therefore will open electric automobile needs a larger battery usually.After considering the factors such as the loading space of battery, battery weight, the complexity of installation and the comfort level of battery altering, it is obviously not too suitable for a larger battery being directly installed on electric automobile.The current fado that does is formed a large battery, to meet the need for electricity of electric automobile by being connected in series-parallel mode by multiple little battery cell.
The conduction coupling assembling in battery pack at present by the device that multiple little battery cell couples together.Conduction coupling assembling in current battery pack is generally nickel, copper, copper nickel plating or monel and makes, welding electrode ear on the conduction coupling assembling in battery pack, and by little battery cell and electric tab welding.Because the cost compare of nickel, copper, copper nickel plating or monel is high, cause the conduction coupling assembling cost in this battery pack also higher.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide the coupling assembling of the conduction in a kind of battery pack, and the cost of the conduction coupling assembling in battery pack is lower.
Embodiments provide the conduction coupling assembling in a kind of battery pack, collector plate main body;
Described collector plate main body comprises aluminium sheet;
Described collector plate main body is formed multiple electrode ear installing hole;
Described collector plate main body is provided with aluminium nickel composite band, and described aluminium nickel composite band is disposed adjacent with described electrode ear installing hole;
Described aluminium nickel composite band comprises: the aluminium articulamentum fitted tightly and nickel articulamentum;
Described aluminium articulamentum is connected with described collector plate main body.
In each execution mode of the present invention, embodiments provide the execution mode that the first is possible, wherein:
Described collector plate main body is also provided with multiple location hole;
The edge of described aluminium nickel composite band is provided with multiple first locating notch;
The edge of described first locating notch and the edge of described location hole, part is identical;
In each aluminium nickel composite band, at least one first locating notch matches with location hole.
In each execution mode of the present invention, embodiments provide the execution mode that the second is possible, wherein:
Also comprise: electrode ear; Described electrode ear comprises: collector plate connecting portion and battery connection part;
Described aluminium articulamentum is connected with described collector plate connecting portion;
The described battery connection part of electrode ear described in each all extends to side or the centre of described electrode ear installing hole.
In each execution mode of the present invention, embodiments provide the execution mode that the third is possible, wherein:
One end away from described battery installation section on described collector plate connecting portion is also provided with the second locating notch;
The edge of described second locating notch edge and described first locating notch is some or all of identical;
Described second locating notch matches with described first locating notch.
In each execution mode of the present invention, embodiments provide the 4th kind of possible execution mode, wherein:
Described collector plate connecting portion is also provided with the second through hole.
In each execution mode of the present invention, embodiments provide the 5th kind of possible execution mode, wherein:
" U " shape connecting portion is also included between described collector plate connecting portion and described battery connection part;
One end sidewall of described " U " shape connecting portion is higher than the sidewall of the other end;
In described " U " shape connecting portion, one end that sidewall is higher connects described battery connection part, and one end that sidewall is lower connects described collector plate connecting portion.
In each execution mode of the present invention, embodiments provide the 6th kind of possible execution mode, wherein:
Described battery connection part is also provided with the first through hole.
In each execution mode of the present invention, embodiments provide the 7th kind of possible execution mode, wherein:
The described aluminium articulamentum fitted tightly and described nickel articulamentum hot melt molded.
In each execution mode of the present invention, embodiments provide the 8th kind of possible execution mode, wherein:
Described collector plate main body is also provided with the fixed component for self-contained battery monomer.
Conduction coupling assembling in the battery pack that the embodiment of the present invention provides, uses aluminium sheet to form collector plate main body, and in collector plate main body, forms multiple electrode ear installing hole.Collector plate main body arranges aluminium nickel composite band, aluminium nickel composite band is used for electrode ear and collector plate main body to be fixed up, aluminium nickel composite band and electrode ear installing hole are disposed adjacent, make electrode ear be fixed on aluminium nickel composite band upper in, some can extend to the inside of electrode ear installing hole or be positioned at the side of electrode ear installing hole.Because collector plate main body is aluminium sheet, and the conduction coupling assembling in the battery pack made relative to copper of the prior art, nickel or corronil, the price of aluminium will far below the price of copper and mickel, the cost of aluminium only has 10% of nickel material usually, 30% of copper material, thus possesses lower production cost.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
What Fig. 1 showed conduction coupling assembling in a kind of battery pack that the embodiment of the present invention provides faces structural representation;
Fig. 2 shows in the conduction coupling assembling in a kind of battery pack that the embodiment of the present invention provides, the side-looking structural representation of aluminium nickel composite band;
Fig. 3 shows in the conduction coupling assembling in a kind of battery pack that the embodiment of the present invention provides, the side-looking structural representation of electrode ear;
Fig. 4 shows in the conduction coupling assembling in a kind of battery pack that the embodiment of the present invention provides, electrode ear face structural representation;
Fig. 5 shows the side-looking structural representation of a kind of battery that the embodiment of the present invention provides.
Illustrate:
Collector plate main body 10, electrode ear installing hole 20;
Aluminium nickel composite band 30, aluminium articulamentum 301, nickel articulamentum 302; First locating notch 303;
Location hole 40;
Electrode ear 50, collector plate connecting portion 501, battery connection part 502, second locating notch 503, second through hole 504, " U " shape connecting portion 505, first through hole 506;
Conduction coupling assembling 60 in battery pack; Battery cell 70.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Conduction coupling assembling in current battery pack is all generally be made with nickel, copper, monel, the conduction coupling assembling that result in current battery pack becomes to produce cost high, based on this, conduction coupling assembling in the battery pack that the application provides, effectively can reduce the production cost of the conduction coupling assembling in battery pack.
It should be noted that, in describing the invention, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In addition, in describing the invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
For ease of understanding the present embodiment, first the conduction coupling assembling in a kind of battery pack disclosed in the embodiment of the present invention is described in detail:
Shown in Fig. 1 and Fig. 2, the conduction coupling assembling in the battery pack that the embodiment of the present invention provides comprises: collector plate main body 10;
Described collector plate main body 10 comprises aluminium sheet;
Described collector plate main body 10 is formed multiple electrode ear installing hole 20;
Described collector plate main body 10 is provided with aluminium nickel composite band 30, and described aluminium nickel composite band is disposed adjacent with described electrode ear installing hole;
Described aluminium nickel composite band 30 comprises: the aluminium articulamentum 301 fitted tightly and nickel articulamentum 302;
Described aluminium articulamentum 301 is connected with described collector plate main body 10.
When concrete enforcement, use aluminium sheet to form collector plate main body 10, and in collector plate main body 10, form multiple electrode ear installing hole 20.Collector plate main body 10 arranges aluminium nickel composite band 30, aluminium nickel composite band 30 is for being fixed up electrode ear and collector plate main body 10, aluminium nickel composite band 30 and electrode ear installing hole 20 are disposed adjacent, when making electrode ear on be fixed on aluminium nickel composite band 30, some can extend to the inside of electrode ear installing hole 20 or be positioned at the side of electrode ear installing hole 20.Because collector plate main body 10 is aluminium sheet, and the conduction coupling assembling in the battery pack made relative to copper of the prior art, nickel or corronil, the price of aluminium will far below the price of copper and mickel, the cost of aluminium only has 10% of nickel material usually, 30% of copper material, thus possesses lower production cost.
It should be noted that in the aluminium nickel composite band 30 that the embodiment of the present invention provides, the described aluminium articulamentum fitted tightly and described nickel articulamentum hot melt molded.That is, ni-type material material face to be fitted aluminium by hot melt compression technology local, and according to the punch forming of product structure demand.The aluminium of hot melt can together with ni-type material fits tightly.
In addition, in various embodiments of the present invention, shown in Fig. 1 and Fig. 2, in the conduction coupling assembling in the battery pack that the embodiment of the present invention provides, described collector plate main body 10 is also provided with multiple location hole 40;
The edge of described aluminium nickel composite band 30 is provided with multiple first locating notch 303;
The described edge of the first locating notch 303 and the edge of described location hole 40, part is identical;
In each aluminium nickel composite band 30, at least one first locating notch 303 matches with location hole 40.
When specific implementation, owing to being collector plate main body 10 and aluminium nickel composite band 30 will be welded, and time both are welded, need to locate accurately the installation site of electrode ear and the installation site of battery cell, deviation is there is to prevent the installation of the installation of electrode ear and battery cell, affect adjacent electrode ear and the connection of battery cell, simultaneously also in order to the more firm of both welding can be ensured, therefore in collector plate main body 10, be provided with location hole 40.This location hole 40 is arranged on position collector plate main body 10 being provided with aluminium nickel composite band 30, is also provided with multiple first locating notch 303 at the edge of aluminium nickel composite band 30.The edge of this first locating notch 303 and the edge of location hole 40, some is identical, when being stacked on location hole 40 by the first locating notch 303, both edges partially overlap, and can realize the mutual location between electrode ear, collector plate main body 10, aluminium nickel composite band 30 by the edge overlapped.
In embodiments of the present invention, location hole 40 is set to circle, first locating notch 303 is set to the arc identical with location hole 40 radius, and when aluminium nickel composite band 30 being stacked to above collector plate main body 10, camber line and the location hole 40 of the first locating notch 303 partially overlap.In addition, according to the actual needs, location hole 40 and the first locating notch 303 can also be set to other shape, as long as but ensure when aluminium nickel composite band 30 and collector plate main body 10 are stacked location time, the first locating notch 303 is identical with the marginal portion of location hole 40.
In addition, it should be noted that, in each aluminium nickel composite band 30, at least one first locating notch 303 matches with location hole 40.Specifically can carry out concrete setting according to the location requirement of reality.
In addition, shown in Fig. 1, Fig. 3 and Fig. 4, in the conduction coupling assembling in the battery pack that the embodiment of the present invention provides, also comprise: electrode ear 50; Described electrode ear comprises: collector plate connecting portion 501 and battery connection part 502;
Described aluminium articulamentum 301 is connected with described collector plate connecting portion 501;
The described battery connection part 502 of electrode ear 50 described in each all extends to side or the centre of described electrode ear installing hole 20.
When concrete enforcement, collector plate connecting portion 10 and battery connection part 20 are respectively used to be connected with collector plate main body 10 and battery cell.
Same, in order to electrode ear 50 and aluminium nickel composite band 30 better being located, described collector plate connecting portion 501 is also provided with the second locating notch 503 away from one end of described battery installation section 502;
The edge of described second locating notch 503 edge and described first locating notch 303 is some or all of identical;
Described second locating notch 503 matches with described first locating notch 303.
When concrete enforcement, owing to electrode ear 50 being welded in the process in aluminium nickel composite band 30, may be excessive and both cannot be located accurately due to electrode ear 50.That cause locating between electrode ear 50 and aluminium nickel composite band 30 and insecure simultaneously, and affect the welding of other adjacent electrode ears.Therefore on electrode ear, the second locating notch 503 is also provided with, make the marginal portion of the edge of the second locating notch 503 and the first locating notch 303 or all identical, when electrode ear 50 being navigated in aluminium nickel composite band 30, the second locating notch 503 and the first identical partly overlapping in locating notch 303 edge can be made, then from the position of overlap, both are positioned.
In order to further improve the fastness of the location between electrode ear 50 and aluminium nickel composite band 30, can also the second through hole 504 be set on collector plate connecting portion 501, this second through hole 504 can be communicated with the second locating notch 503, also can be close separately, this second through hole 504 can play the effect of shunting welding current, makes electrode ear and collector plate main body when welding, can produce more resistance heat, promote the efficiency of welding, improve the fastness of welding.
In addition, shown in Fig. 3 and Fig. 4, in the conduction coupling assembling in the battery pack that the embodiment of the present invention provides, between described collector plate connecting portion 501 and described battery connection part 502, also include " U " shape connecting portion 505;
One end sidewall of described " U " shape connecting portion 505 is higher than the sidewall of the other end;
In described " U " shape connecting portion 505, one end that sidewall is higher connects described battery connection part 502, and one end that sidewall is lower connects described collector plate connecting portion 501.
When concrete enforcement, " U " shape connecting portion 505 is integrated with collector plate connecting portion 501 and battery connection part 502, when collector plate connecting portion 501 and aluminium nickel composite band 30 couple together time, " U " shape connecting portion 505 is made to form shockproof flexibly connecting with the conduction coupling assembling in battery pack, " U " shape connecting portion 505 elastic deformation ability is stronger, after making battery connection part 502 be connected with battery cell, battery in use, vibrations, the factors such as impact are to battery cell and electrode ear, connection between electrode ear and aluminium nickel composite band 30 is more difficult destroyed.
Shown in Figure 3, in order to improve electrode ear and the fastness of welding between battery cell.In conduction coupling assembling in the battery pack that the embodiment of the present invention provides, battery connection part 502 is also provided with the first through hole 506.This first through hole 504 can play the effect of shunting welding current, makes electrode ear and battery when welding, can produce more resistance heat, promote the efficiency of welding, improve the fastness of welding.
Shown in Figure 5, further embodiment of this invention also provides a kind of battery, comprising: the conduction coupling assembling 60 in the battery pack as described in above-described embodiment;
Conduction coupling assembling 60 in described battery pack is also connected with multiple battery cell 70.
The battery that the embodiment of the present invention provides, applies just like the conduction coupling assembling in the battery pack provided in the embodiment of the present invention, can effectively reduce production cost.
Beneficial effect of the present invention:
1, production cost is lower;
2, the conduction coupling assembling connecting band in the conduction coupling assembling in battery pack and conduction coupling assembling connecting band, electrode ear and battery pack in battery pack, the connection between electrode ear and battery cell are more firm;
The quality of the conduction coupling assembling 3, in battery pack is less.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (9)
1. the conduction coupling assembling in battery pack, is characterized in that, comprising: collector plate main body;
Described collector plate main body comprises aluminium sheet;
Described collector plate main body is formed multiple electrode ear installing hole;
Described collector plate main body is provided with aluminium nickel composite band, and described aluminium nickel composite band is disposed adjacent with described electrode ear installing hole;
Described aluminium nickel composite band comprises: the aluminium articulamentum fitted tightly and nickel articulamentum;
Described aluminium articulamentum is connected with described collector plate main body.
2. the conduction coupling assembling in battery pack according to claim 1, is characterized in that, described collector plate main body is also provided with multiple location hole;
The edge of described aluminium nickel composite band is provided with multiple first locating notch;
The edge of described first locating notch and the edge of described location hole, part is identical;
In each aluminium nickel composite band, at least one first locating notch matches with location hole.
3. the conduction coupling assembling in the battery pack according to claim 2 any one, is characterized in that, also comprise: electrode ear; Described electrode ear comprises: collector plate connecting portion and battery connection part;
Described aluminium articulamentum is connected with described collector plate connecting portion;
The described battery connection part of electrode ear described in each all extends to side or the centre of described electrode ear installing hole.
4. the conduction coupling assembling in battery pack according to claim 3, is characterized in that, described collector plate connecting portion is also provided with the second locating notch;
The edge of described second locating notch edge and described first locating notch is some or all of identical;
Described second locating notch matches with described first locating notch.
5. the conduction coupling assembling in battery pack according to claim 4, is characterized in that, described collector plate connecting portion is also provided with the second through hole.
6. the conduction coupling assembling in battery pack according to claim 4, is characterized in that, also includes " U " shape connecting portion between described collector plate connecting portion and described battery connection part;
One end sidewall of described " U " shape connecting portion is higher than the sidewall of the other end;
In described " U " shape connecting portion, one end that sidewall is higher connects described battery connection part, and one end that sidewall is lower connects described collector plate connecting portion.
7. the conduction coupling assembling in battery pack according to claim 5, is characterized in that, described battery connection part is also provided with the first through hole.
8. the conduction coupling assembling in the battery pack according to claim 1-7 any one, is characterized in that, the described aluminium articulamentum fitted tightly and described nickel articulamentum hot melt molded.
9. the conduction coupling assembling in the battery pack according to claim 1-7 any one, is characterized in that, described collector plate main body is also provided with the fixed component for self-contained battery monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083113.1A CN105552383B (en) | 2016-02-03 | 2016-02-03 | It is conductively connected component in battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610083113.1A CN105552383B (en) | 2016-02-03 | 2016-02-03 | It is conductively connected component in battery pack |
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| Publication Number | Publication Date |
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| CN105552383A true CN105552383A (en) | 2016-05-04 |
| CN105552383B CN105552383B (en) | 2018-08-24 |
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| CN201610083113.1A Active CN105552383B (en) | 2016-02-03 | 2016-02-03 | It is conductively connected component in battery pack |
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| CN106611827A (en) * | 2017-02-21 | 2017-05-03 | 湖南大学 | Box body and battery liquid cooling device |
| CN109192912A (en) * | 2018-09-07 | 2019-01-11 | 华霆（合肥）动力技术有限公司 | Afflux component, afflux assembly manufacture method and battery modules |
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| Publication number | Publication date |
|---|---|
| CN105552383B (en) | 2018-08-24 |
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