CN205376626U - Electrode ear and current collector in group battery - Google Patents
Electrode ear and current collector in group battery Download PDFInfo
- Publication number
- CN205376626U CN205376626U CN201620117785.5U CN201620117785U CN205376626U CN 205376626 U CN205376626 U CN 205376626U CN 201620117785 U CN201620117785 U CN 201620117785U CN 205376626 U CN205376626 U CN 205376626U
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- collector plate
- electrode ear
- connecting portion
- articulamentum
- main body
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- 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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Abstract
The utility model relates to a group battery technical field particularly, relates to an electrode ear and current collector in group battery. The electrode ear includes: current collector connecting portion and battery connecting portion, the current collector connecting portion include: the aluminium articulamentum and the nickel articulamentum of closely laminating, the battery connecting portion include: the nickel connecting portion, the aluminium articulamentum and the nickel articulamentum all with the nickel connecting portion are connected. Current collector includes: the current collector main part, the current collector main part is aluminum plate, form a plurality of electrode ear mounting holes in the current collector main part, the current collector main part still is connected with the utility model provides an electrode ear, each the electrode ear the battery connecting portion all extend to one side of electrode ear mounting hole is perhaps middle. The electrode ear has used aluminium nickel combined material layer, and the current collector main part is aluminum plate, has both improved the welding reliability, has reduced manufacturing cost again.
Description
Technical field
This utility model relates to battery technology field, in particular to the electrode ear in a kind of set of cells and collector plate.
Background technology
At present, the electricity used on electric automobile is typically all and is stored in the battery installed on electric automobile.And owing to electric automobile required electric energy when opening is relatively more, and generally, for the battery of same material, the more many battery volume of energy storage is also more big, therefore to open electric automobile and typically require a bigger battery.After the factors such as the comfort level considering the loading space of battery, battery weight, the complexity of installation and battery altering, it is substantially less suitable for being directly installed on electric automobile by the battery that bigger.The current fado that does is constituted a big battery by being connected in series-parallel mode by multiple little battery cells, to meet the need for electricity of electric automobile.
Current is electrode ear and collector plate by the device that multiple little battery cells couple together.Current collector plate and electrode ear are generally nickel, copper, copper nickel plating or monel and make, and are welded in collector plate by electrode ear, little battery cell with electricity tab welding.This electrode ear and collector plate cost are high.
Utility model content
In view of this, the purpose of this utility model embodiment is in that to provide the less costly of the electrode ear in a kind of set of cells and collector plate, electrode ear and collector plate.
First aspect, this utility model embodiment provides the electrode ear in a kind of set of cells, including: collector plate connecting portion and battery connection part；
Described collector plate connecting portion includes: the aluminum articulamentum fitted tightly and nickel articulamentum；
Described battery connection part includes: nickel connecting portion；
Described aluminum articulamentum and described nickel articulamentum are all connected with described nickel connecting portion.
In conjunction with first aspect, this utility model embodiment provides the first possible embodiment of first aspect, wherein:
" u "-shaped connecting portion is also included between described collector plate connecting portion and described battery connection part；
One end sidewall of described " u "-shaped connecting portion is higher than the sidewall of the other end；
In described " u "-shaped connecting portion, one end that sidewall is higher connects described battery connection part, the described collector plate connecting portion of one end connection that sidewall is relatively low.
In conjunction with first aspect, this utility model embodiment provides the embodiment that the second of first aspect is possible, wherein:
Described battery connection part is additionally provided with through hole.
In conjunction with first aspect, this utility model embodiment provides the third possible embodiment of first aspect, wherein:
Described aluminum articulamentum is additionally provided with multiple projection away from the side of described nickel articulamentum.
In conjunction with first aspect, this utility model embodiment provides the 4th kind of possible embodiment of first aspect, wherein:
The described aluminum articulamentum and the described nickel articulamentum hot melt that fit tightly are molded.
Second aspect, this utility model embodiment also provides for the collector plate in a kind of set of cells, including: collector plate main body；
Described collector plate main body is aluminium sheet；
Described collector plate main body is formed multiple electrode ear installing hole；
Described collector plate main body is also associated with the electrode ear as described in above-mentioned first aspect, and the described battery connection part of each described electrode ear all extends to side or the centre of described electrode ear installing hole.
In conjunction with second aspect, this utility model embodiment provides the first possible embodiment of second aspect, wherein:
Described collector plate main body and described electricity tab welding, or dismountable connection.
In conjunction with second aspect, this utility model embodiment provides the embodiment that the second of second aspect is possible, wherein:
Described collector plate main body is additionally provided with the jack that the collector plate connecting portion for described electrode ear inserts；
Described jack is arranged on the sidewall of described electrode ear installing hole；Or, described collector plate main body is provided with fixed part, between described fixed part and described collector plate main body, forms described jack.
In conjunction with second aspect, this utility model embodiment provides the third possible embodiment of second aspect, wherein:
Described collector plate main body is additionally provided with hole, location.
Electrode ear in the set of cells that this utility model embodiment provides and collector plate, collector plate connecting portion and battery connection part are respectively used to and collector plate and battery cell connect.As the attachment structure between collector plate and battery cell, electrode ear should possess good electric conductivity, it is ensured that electrode ear and collector plate all possess less production cost, and therefore collector plate connecting portion is set to the aluminum articulamentum and the nickel articulamentum that fit tightly.Wherein nickel articulamentum possesses better electric conductivity, it is possible to the electric energy of battery is passed to collector plate；And aluminum articulamentum possesses less production cost, the price of aluminum will far below the price of copper and mickel, and the cost of aluminium generally only has the 10% of nickel material, the 30% of copper material, thus possesses less production cost.It addition, collector plate is also made up of aluminium sheet, thus also possesses less production cost.
For making above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, it is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
What Fig. 1 illustrated a kind of electrode ear that this utility model embodiment provides faces structural representation；
Fig. 2 illustrates the side-looking structural representation of a kind of electrode ear that this utility model embodiment provides；
Fig. 3 illustrates the side-looking structural representation of the another kind of electrode ear that this utility model embodiment provides；
What Fig. 4 illustrated a kind of collector plate that this utility model embodiment provides faces structural representation；
Fig. 5 illustrates the partial schematic diagram in the another kind of collector plate that this utility model embodiment provides；
Fig. 6 illustrates the structural representation of a kind of battery that this utility model embodiment provides.
Illustrate:
Collector plate connecting portion 10, aluminum articulamentum 101, nickel articulamentum 102；
Battery connection part 20, nickel connecting portion 201；
" u "-shaped connecting portion 30；Through hole 40；Protruding 50；
Collector plate main body 60；Electrode ear installing hole 70；Electrode ear 80；Jack 90, positions hole 100；Accommodate protruding 110；
Battery cell 120；Collector plate 130.
Detailed description of the invention
Below in conjunction with accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the premise not making creative work, broadly fall into the scope of this utility model protection.
Current electrode ear and collector plate are typically all and are made with nickel, copper, monel, result in current electrode ear and collector plate becomes to produce cost high, based on this, electrode ear in a kind of set of cells that the application provides and collector plate, it is possible to effectively reduce the production cost of electrode ear and collector plate.
It should be noted that, in description of the present utility model, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
It addition, in description of the present utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
For ease of the present embodiment is understood, first a kind of electrode ear disclosed in this utility model embodiment is described in detail,
Shown in Figure 1, the electrode ear that this utility model embodiment provides includes: collector plate connecting portion 10 and battery connection part 20；
Described collector plate connecting portion 10 includes: the aluminum articulamentum 101 fitted tightly and nickel articulamentum 102；
Described battery connection part 20 includes: nickel connecting portion 201；
Described aluminum articulamentum 101 and described nickel articulamentum 102 are all connected with described nickel connecting portion 201.
When being embodied as, collector plate connecting portion 10 and battery connection part 20 are respectively used to connect with collector plate and battery cell.As the attachment structure between collector plate and battery cell, electrode ear should possess good electric conductivity, it is ensured that electrode ear and collector plate all possess less production cost, and therefore collector plate connecting portion is set to the aluminum articulamentum and the nickel articulamentum that fit tightly.Wherein nickel articulamentum possesses better electric conductivity, it is possible to the electric energy of battery is passed to collector plate；And aluminum articulamentum possesses less production cost, the price of aluminum will far below the price of copper and mickel, and the cost of aluminium generally only has the 10% of nickel material, the 30% of copper material, thus possesses less production cost.It addition, collector plate is also made up of aluminium sheet, thus also possesses less production cost.
Usually, aluminum articulamentum 101 is fabricated by by fine aluminium.Aluminium quality is low, it is possible to reduce the weight of whole electrode ear, reduces the load of electric automobile, and aluminum possesses better conductivity.
It addition, in another embodiment of the present utility model, referring to, shown in Fig. 1 and Fig. 2, also including " u "-shaped connecting portion 30 between described collector plate connecting portion 101 and described battery connection part 102；
One end sidewall of described " u "-shaped connecting portion 30 is higher than the sidewall of the other end；
In " u "-shaped connecting portion 30, one end that sidewall is higher connects described battery connection part 101, the described collector plate connecting portion of one end connection that sidewall is relatively low.
When being embodied as, " u "-shaped connecting portion 30 is integrated with collector plate connecting portion 10 and battery connection part 20, when collector plate connecting portion 10 and collector plate couple together time, " u "-shaped connecting portion 30 and collector plate is made to form shockproof flexibly connecting, " u "-shaped connecting portion 30 elastic deformation ability is higher, after making to be connected battery connection part 20 with battery cell, in use, the factor such as vibrations, impact is more difficult destroyed to battery cell and electrode ear, connection between electrode ear and collector plate for battery.
In the prior art, electrode ear is usually and all welds together with battery cell, the position of welding is general all in the marginal portion of electrode ear Yu battery cell link position, Welding Structure is also insecure, thus in order to solve this problem, in this application, shown in Figure 2, battery connection part 20 is additionally provided with through hole 40.This through hole 40 is generally located on the middle part of battery connection part 20, and when welding, this through hole 40 can play the effect of shunting welding current, make electrode ear and collector plate when welding, more resistance heat can be produced, promote the efficiency of welding, improve the fastness of welding.
It addition, shown in Figure 3, in another embodiment of the present utility model, more firm in order to ensure the connection between collector plate connecting portion 10 and collector plate, it is additionally provided with multiple protruding 50 at aluminum articulamentum 101 away from the side of nickel articulamentum 102.
When being embodied as, it can be welding between aluminum articulamentum and collector plate, dismountable connection between electrode ear and collector plate can also be made, namely in collector plate, it is provided with the jack 90 (specifically can see below the description to jack 90 in embodiment) for inserting collector plate connecting portion 10, when collector plate connecting portion 10 being inserted into this jack 90, aluminum articulamentum 101 and collector plate are sticked together, protruding 50 can increase the frictional force between collector plate connecting portion 10 and collector plate, and then make the connection between electrode ear and collector plate more firm.It should be noted that this projection 50 is only microprotrusion, protruding height is general all at about 0.1cm, and the diameter of projection is generally relatively larger, so, both ensure that being fully contacted between electrode ear and collector plate, ensure that again being fully contacted between electrode ear and collector plate.
In several of the above embodiments where, the described aluminum articulamentum and the described nickel articulamentum hot melt that fit tightly are molded.That is, ni-type material material face is fitted aluminium by hot melt compression technology local, and according to product structure demand punch forming.The aluminium of hot melt can together with ni-type material fits tightly.
Shown in Figure 4, this utility model embodiment also provides for a kind of collector plate.This collector plate includes: collector plate main body 60；
Described collector plate main body 60 is aluminium sheet；
Described collector plate main body 60 is formed multiple electrode ear installing hole 70；(this electrode ear installing hole 70 is hole bigger in collector plate main body 60, edge welding electrode ear, and a part for electrode ear extends to that this electrode ear installing hole 70 is internal or side).
Described collector plate main body 60 is also associated with the electrode ear 80 as described in above-described embodiment, and the described battery connection part 20 of each described electrode ear 80 all extends to side or the centre of described electrode ear installing hole 70.
When being embodied as, use aluminium sheet to constitute collector plate main body 60, and in collector plate main body 60, form multiple electrode ear installing hole 70, and electrode ear 80 is arranged in collector plate main body 60.Collector plate main body 60 is set to aluminium sheet, this aluminium sheet is usually fabricated by by fine aluminium, relative to the collector plate that copper of the prior art, nickel or corronil are made, the price of aluminum will far below the price of copper and mickel, the cost of aluminium generally only has the 10% of nickel material, the 30% of copper material, thus possess less production cost.
Simultaneously, owing to the collector plate connecting portion 10 on electrode ear 80 includes aluminum articulamentum 101, this aluminum articulamentum 101 is when the collector plate main body made with aluminium sheet is fixed together, and when especially both being welded together, it is more firm that same material enables to welding.When collector plate main body 60 and electrode ear 80 are between the two for welding time, it is possible to adopt ultrasound wave, resistance welding or laser weld mode by electrode ear aluminum articulamentum 101 be welded in collector plate main body 60 away from the side of nickel articulamentum 102.
In addition, it should be noted that electrode ear 80 is except can being welded and fixed with collector plate main body 60, it is also possible to dismountable with collector plate main body 60 be connected.
When being dismountable between collector plate main body 60 and electrode ear 80, collector plate main body is additionally provided with the jack 90 for being inserted by the collector plate connecting portion 10 on electrode ear 80.
This jack 90 can be arranged on the sidewall of electrode ear installing hole 70, namely install at electrode ear and the sidewall of 70 directly forms jack 90, in time collector plate main body 60 and electrode ear 80 being linked together, directly the collector plate connecting portion 10 on electrode ear 80 is inserted in this jack.
Additionally, consider that the thickness of collector plate main body there may be certain restriction, the collector plate main body 60 of some finite thickness directly arranges jack 90 and is likely to there is certain difficulty, shown in Figure 4, fixed part can also be set in collector plate main body 60, between this fixed part and collector plate main body 60, form this jack 90.
And in order to ensure being firmly connected between this electrode ear 80 with collector plate main body 60, it is possible to clamping protruding 110 is set in jack 90, increases the friction between collector plate connecting portion 10 and jack 90.So incessantly enable between jack 90 and electrode ear 80 more firm, can also when battery cell damages or aging needs are changed, directly the collector plate connecting portion 10 on electrode ear 80 is released from jack 90, by electrode ear 90 and the battery cell integral replacing being attached thereto.In addition, it should be noted that this clamping projection 110 can be staggered setting with the projection 50 on electrode ear, so can further increase the contact surface between electrode ear and collector plate.
Furthermore, it is contemplated that battery cell is when being connected in collector plate by electrode ear and battery cell and electrode ear being welded together, it is necessary to the position of battery and electrode ear is positioned, therefore in collector plate main body, also there is hole 100, location in society.Electrode ear and battery cell can be positioned by this hole, location 100.
Shown in Figure 6, the another embodiment of this utility model is also provided with a kind of battery, including: the collector plate 130 as described in above-described embodiment；
Described collector plate 130 is also fixing to be connected or dismountable is connected to multiple battery cell 120；
Wherein, each described electrode ear 80 is all connected with a described battery cell 120.
The battery that this utility model embodiment provides, application is just like the collector plate provided in this utility model embodiment and electrode ear, it is possible to effectively reduce production cost.
The beneficial effects of the utility model:
1, production cost is lower；
2, collector plate and electrode ear, connection between electrode ear and battery cell are more firm；
3, the quality of electrode ear, collector plate and battery is less.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with scope of the claims.
Claims (9)
1. the electrode ear in a set of cells, it is characterised in that including: collector plate connecting portion and battery connection part；
Described collector plate connecting portion includes: the aluminum articulamentum fitted tightly and nickel articulamentum；
Described battery connection part includes: nickel connecting portion；
Described aluminum articulamentum and described nickel articulamentum are all connected with described nickel connecting portion.
2. electrode ear according to claim 1, it is characterised in that also include " u "-shaped connecting portion between described collector plate connecting portion and described battery connection part；
One end sidewall of described " u "-shaped connecting portion is higher than the sidewall of the other end；
In described " u "-shaped connecting portion, one end that sidewall is higher connects described battery connection part, the described collector plate connecting portion of one end connection that sidewall is relatively low.
3. electrode ear according to claim 2, it is characterised in that be additionally provided with through hole in described battery connection part.
4. electrode ear according to claim 3, it is characterised in that described aluminum articulamentum is additionally provided with multiple projection away from the side of described nickel articulamentum.
5. the electrode ear according to claim 1-4 any one, it is characterised in that the described aluminum articulamentum and the described nickel articulamentum hot melt that fit tightly are molded.
6. the collector plate in a set of cells, it is characterised in that including: collector plate main body；
Described collector plate main body is aluminium sheet；
Described collector plate main body is formed multiple electrode ear installing hole；
Described collector plate main body is also associated with the electrode ear as described in the claims 1-5 any one, and the described battery connection part of each described electrode ear all extends to side or the centre of described electrode ear installing hole.
7. collector plate according to claim 6, it is characterised in that described collector plate main body and described electricity tab welding, or dismountable connection.
8. collector plate according to claim 7, it is characterised in that be additionally provided with the jack that the collector plate connecting portion for described electrode ear inserts in described collector plate main body；
Described jack is arranged on the sidewall of described electrode ear installing hole；Or, described collector plate main body is provided with fixed part, between described fixed part and described collector plate main body, forms described jack.
9. the collector plate according to claim 6-8 any one, it is characterised in that be additionally provided with hole, location in described collector plate main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117785.5U CN205376626U (en) | 2016-02-03 | 2016-02-03 | Electrode ear and current collector in group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117785.5U CN205376626U (en) | 2016-02-03 | 2016-02-03 | Electrode ear and current collector in group battery |
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| Publication Number | Publication Date |
|---|---|
| CN205376626U true CN205376626U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620117785.5U Active CN205376626U (en) | 2016-02-03 | 2016-02-03 | Electrode ear and current collector in group battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768584A (en) * | 2016-08-22 | 2018-03-06 | 光阳工业股份有限公司 | Battery modules |
| 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 |
| CN112103528A (en) * | 2020-09-16 | 2020-12-18 | 广东国鸿氢能科技有限公司 | Collector plate of fuel cell stack |
-
2016
- 2016-02-03 CN CN201620117785.5U patent/CN205376626U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768584A (en) * | 2016-08-22 | 2018-03-06 | 光阳工业股份有限公司 | Battery modules |
| 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 |
| CN112103528A (en) * | 2020-09-16 | 2020-12-18 | 广东国鸿氢能科技有限公司 | Collector plate of fuel cell stack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |