CN107658411A - Output pole assembly and battery module - Google Patents
Output pole assembly and battery module Download PDFInfo
- Publication number
- CN107658411A CN107658411A CN201610594480.8A CN201610594480A CN107658411A CN 107658411 A CN107658411 A CN 107658411A CN 201610594480 A CN201610594480 A CN 201610594480A CN 107658411 A CN107658411 A CN 107658411A
- Authority
- CN
- China
- Prior art keywords
- conductive
- output
- connecting piece
- output stage
- conductive connecting
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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 invention provides an output electrode assembly and a battery module. The output pole assembly includes: a conductive connecting sheet; and the conductive output sheet is fixedly connected with the conductive connecting sheet and is made of a conductive material different from the conductive connecting sheet. Wherein, the conductive connecting sheet is fixedly connected with the conductive output sheet through casting. The battery module includes: a plurality of unit cells, each unit cell having an output electrode; and an output pole assembly according to the first aspect of the invention. The conductive connecting sheet is fixedly and electrically connected with the output electrode of the corresponding single battery in the battery module; the conductive output sheet serves as a total output electrode of the battery module. In the battery module, the conductive connecting sheet and the conductive output sheet of the output electrode assembly are integrally formed by casting, so that compared with the prior art, welding equipment and welding joints are not needed, the processing technology is simplified, and the production cost is reduced.
Description
Technical field
The present invention relates to battery modules field, more particularly to a kind of output stage component and battery modules.
Background technology
The output stage component of existing battery modules is typically to be formed by connecting by copper aluminium, but because duralumin and soft aluminium all can not
Directly welded by the method for melting welding with copper, only agitating friction weldering can realize copper aluminium butt welding at present, but to frock
It is required that high, weld seam has overlap, keyhole defect, and complex process, production cost are higher.
The content of the invention
In view of problem present in background technology, it is an object of the invention to provide a kind of output stage component and battery mould
Group, it can simplify the processing technology of output stage component, reduce production cost..
To achieve these goals, in a first aspect, the invention provides a kind of output stage component, it includes：Conduction is even
Contact pin；And conductive output chip, it is fixedly connected with conductive connecting piece, and be made up of the conductive material different from conductive connecting piece.
Wherein, conductive connecting piece is fixedly connected via casting with conductive output chip.
To achieve these goals, in second aspect, the invention provides a kind of battery modules, and it includes：Multiple monomers
Battery, each cell have output stage；And the output stage component described in first aspect present invention.Wherein, conductive connecting piece
The output stage of cell corresponding with battery modules fixes electrical connection；Total output of the conductive output chip as battery modules
Pole.
Beneficial effects of the present invention are as follows：
In the battery module according to the present invention, because the conductive connecting piece of output stage component and conductive output chip pass through casting
Make integrally formed, compared with prior art, without welding equipment and welding point, simplify processing technology, reduce production cost.
Brief description of the drawings
Fig. 1 is the stereogram according to the output stage component of the present invention；
Fig. 2 is the stereogram according to the battery modules of the present invention.
Wherein, description of reference numerals is as follows：
The threading hole of 1 output stage component 114
The projection of 11 conductive connecting piece 115
111 positioning hole, 12 conductive output chip
The cell of 112 connecting portion 2
113 arch portions
Embodiment
With reference to the accompanying drawings come describe in detail the present invention output stage component and battery modules.
Illustrate output stage component according to a first aspect of the present invention first.
Referring to Figures 1 and 2, included according to the output stage component 1 of the present invention：Conductive connecting piece 11；And conductive output chip
12, it is fixedly connected with conductive connecting piece 11, and be made up of the conductive material different from conductive connecting piece 11.Wherein, it is conductively connected
Piece 11 is fixedly connected via casting with conductive output chip 12.
In an embodiment of the output stage component 1 according to the present invention, referring to Figures 1 and 2, conductive connecting piece 11 has fixed
Position hole 111.
In an embodiment of the output stage component 1 according to the present invention, referring to Figures 1 and 2, conductive connecting piece 11 has extremely
A few connecting portion 112, and when connecting portion 112 is multiple, arch portion 113 is provided between adjacent two connecting portions 112.
In an embodiment of the output stage component 1 according to the present invention, referring to Figures 1 and 2, conductive connecting piece 11 also has
Have：Threading hole 114, wears for exterior strands.
In an embodiment of the output stage component 1 according to the present invention, referring to Figures 1 and 2, conductive connecting piece 11 also has
Have：Projection 115, protruded from the upper surface of conductive connecting piece 11.
, can or plating silver-plated on the top layer of conductive output chip 12 in an embodiment of the output stage component 1 according to the present invention
Nickel, the thickness of coating can be 7 μm~12 μm.
In an embodiment of the output stage component 1 according to the present invention, conductive output chip 12 is made of copper；Conductive connecting piece
11 cast by duralumin formed and by casting be directly connected with conductive output chip 12.
In an embodiment of the output stage component 1 according to the present invention, the conductive casting of output chip 12 is formed.
In the output stage component 1 according to the present invention, first, the copper liquid of fusing is injected into the first mould, formed after solidification
Conductive output chip 12；Then, manufactured conductive output chip 12 is put into the second mould；Finally, the aluminium liquid of fusing is injected second
Mould (a die cavity part for the second mould houses conductive output chip 12, and remaining part is molded for conductive connecting piece 11), aluminium
Conductive connecting piece 11 is formed after liquid solidification, and conductive connecting piece 11 and conductive output chip 12 are linked to be one in aluminium liquid process of setting
Body.It can be formed with reference to joint between conductive connecting piece 11 and conductive output chip 12, be formed after being solidified by aluminium liquid.
In an embodiment of the output stage component 1 according to the present invention, the casting of conductive connecting piece 11 and conductive output chip 12
Compression casting or vacuum pressing and casting can be used by making.Compression casting is to note molten metal (such as copper liquid or aluminium liquid) with certain pressure
Enter mould (the first mould or the second mould)；Vacuum pressing and casting is that the die cavity of mould is vacuumized, and is inhaled molten metal using negative pressure
Enter die cavity, it is good that this method fills type effect, and can prevent molten metal from aoxidizing under vacuum conditions.Compression casting and vacuum
It is comparatively dense to cast workpiece (the conductive connecting piece 11 or conductive output chip 12) tissue formed.
In an embodiment of the output stage component 1 according to the present invention, duralumin contains rare earth element.Rare earth element can be thin
Change combines joint microstructure, improves the toughness with reference to joint.Width with reference to joint can be 1 μm~4 μm.
In an embodiment of the output stage component 1 according to the present invention, the content of rare earth element accounts for the 1% of the weight of duralumin
~2%.
According to the present invention output stage component 1 an embodiment in, the rare earth element be selected from Y, Nd, Er, Yb or its
The one or more of oxide.
In an embodiment of the output stage component 1 according to the present invention, it is characterised in that conductive connecting piece 11 is by multilayer aluminum
Paper tinsel is welded；Conductive output chip 12 is made of copper；Conductive connecting piece 11 and conductive output chip 12 are via being disposed there between
Single aluminium liquid casting connection.
In an embodiment of the output stage component 1 according to the present invention, the conductive casting of output chip 12 is formed.
In the output stage component 1 according to the present invention, first, the copper liquid of fusing is injected into the first mould, formed after solidification
Conductive output chip 12；Laminated aluminium foil is welded into (can be molecule thermocompression bonding) and forms conductive connecting piece 11 together；Then, will be made
Conductive output chip 12 and conductive connecting piece 11 be put into the die cavity of the second mould, and conductive output chip 12 and conductive connecting piece 11
Between leave gap；Finally, the conductive output chip 12 in the second mould and conductive connecting piece 11 are preheated, then by the aluminium of fusing
Liquid injects to obtain the gap of conductive output chip 12 and conductive connecting piece 11, by conductive output chip 12 and is conductively connected after aluminium liquid solidification
Piece 11 is connected.The combination joint of connection conductive connecting piece 11 and conductive output chip 12 is formed after aluminium liquid solidification.
In an embodiment of the output stage component 1 according to the present invention, for connecting conductive connecting piece 11 and conductive output
The thickness of the aluminium liquid filling of piece 12 exceeds the thickness of conductive connecting piece 11.In this manner it is ensured that still have after aluminium liquid solidification shrinkage
There are enough bonding strengths.
In an embodiment of the output stage component 1 according to the present invention, aluminium liquid contains rare earth element.Rare earth element can be thin
Change combines joint microstructure, and raising combines joint toughness.Width with reference to joint can be 1 μm~4 μm.
In an embodiment of the output stage component 1 according to the present invention, the content of rare earth element accounts for the 1% of the weight of duralumin
~2%.
According to the present invention output stage component 1 an embodiment in, the rare earth element be selected from Y, Nd, Er, Yb or its
The one or more of oxide.
Secondly the battery modules of explanation according to a second aspect of the present invention.
Referring to Figures 1 and 2, included according to the battery modules of the present invention：Multiple cells 2, each cell 2 have defeated
Go out pole；And the output stage component 1 described in first aspect present invention.Wherein, conductive connecting piece 11 is corresponding with battery modules
The output stage of cell 2 fixes electrical connection；Total output stage of the conductive output chip 12 as battery modules.
In the battery module according to the present invention, due to the conductive connecting piece 11 and conductive output chip 12 of output stage component 1
By casting integrated formation, compared with prior art, without welding equipment and welding point, simplify processing technology, reduce production
Cost.
In the battery module according to the present invention, when conductive connecting piece 11 is soft aluminium (laminated aluminium foil is welded), lead
The flexibility of electric connecting sheet 11 can prevent cell 2 expanded because of discharge and recharge caused by the stress of electrical joint be damaged, carry
The reliability of high battery modules, but soft aluminium and copper (material is different and the hardness of soft aluminium is low) can not be welded directly, so existing
Technology connects soft aluminium and copper by duralumin plate, and the conductive connecting piece 11 and conductive output chip 12 in the battery modules of the present invention are logical
Casting integrated formation is crossed, duralumin plate can be cancelled, simplifies processing technology, reduces production cost.
According to the present invention battery modules an embodiment in, reference picture 2, the positioning hole 111 of conductive connecting piece 11 with
The output stage of corresponding cell 2 is relative in battery modules.
According to the present invention battery modules an embodiment in, reference picture 2, the connecting portion 112 of conductive connecting piece 11 with
The output stage of corresponding cell 2 fixes electrical connection in battery modules；When being electrically connected in battery modules by conductive connecting piece 11
When the cell 2 connect is multiple, corresponding connecting portion 112 is multiple, the arch portion between two adjacent connecting portions 112
113 can elastic deformation, electrical joint (connecting portion caused by accordingly cell 2 expands because of discharge and recharge can be avoided
112 with corresponding cell 2 fix electrical connection parts) stress be damaged, improve the reliability of battery modules, meanwhile, arch
Portion 113 has good adaptability and regulating power to difference of the corresponding cell 2 on thickness and height.
In an embodiment of the battery modules according to the present invention, the voltage wire harness of battery modules, which can pass through, to be conductively connected
The threading hole 114 of piece 11 is welded on conductive connecting piece 11；Threading hole 114 can increase the antistripping ability of voltage wire harness.
In an embodiment of the battery modules according to the present invention, reference picture 2, output stage component 1 is passed through into laser welding
During fixed on corresponding cell 2, the projection 115 of conductive connecting piece 11 is used to support protecting tool set-up during laser welding,
Prevent that conductive connecting piece 11 is oblique by pressure.
Claims (10)
1. a kind of output stage component (1), including：
Conductive connecting piece (11)；And
Conductive output chip (12), is fixedly connected with conductive connecting piece (11), and by the conduction material different from conductive connecting piece (11)
Material is made；
Characterized in that,
Conductive connecting piece (11) is fixedly connected via casting with conductive output chip (12).
2. output stage component (1) according to claim 1, it is characterised in that conductive connecting piece (11) has at least one
Connecting portion (112), and when connecting portion (112) is multiple, arch portion (113) is provided between adjacent two connecting portions (112).
3. output stage component (1) according to claim 1, it is characterised in that
Conductive output chip (12) is made of copper；
Conductive connecting piece (11) is cast by duralumin to be formed and is directly connected by casting with conductive output chip (12).
4. output stage component (1) according to claim 3, it is characterised in that
Conductive output chip (12) casting is formed.
5. output stage component (1) according to claim 3, it is characterised in that duralumin contains rare earth element.
6. output stage component (1) according to claim 1, it is characterised in that
Conductive connecting piece (11) is welded by laminated aluminium foil；
Conductive output chip (12) is made of copper；
Conductive connecting piece (11) and conductive output chip (12) cast connection via the single aluminium liquid being disposed there between.
7. output stage component (1) according to claim 6, it is characterised in that conductive output chip (12) casting is formed.
8. output stage component (1) according to claim 6, it is characterised in that for connecting conductive connecting piece (11) and leading
The thickness of the aluminium liquid filling of electricity output piece (12) exceeds the thickness of conductive connecting piece (11).
9. output stage component (1) according to claim 6, it is characterised in that aluminium liquid contains rare earth element.
10. a kind of battery modules, including multiple cells (2), each cell (2) has output stage, it is characterised in that
Battery modules also include the output stage component (1) any one of claim 1-9；
Wherein, the output stage of conductive connecting piece (11) cell (2) corresponding with battery modules fixes electrical connection；It is conductive defeated
Total output stage of the slice (12) as battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594480.8A CN107658411A (en) | 2016-07-26 | 2016-07-26 | Output pole assembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610594480.8A CN107658411A (en) | 2016-07-26 | 2016-07-26 | Output pole assembly and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107658411A true CN107658411A (en) | 2018-02-02 |
Family
ID=61127337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610594480.8A Pending CN107658411A (en) | 2016-07-26 | 2016-07-26 | Output pole assembly and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107658411A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146487A (en) * | 2019-12-31 | 2020-05-12 | 广西玉柴机器股份有限公司 | Electric power connection structure capable of self-adapting to deformation of fuel cell stack |
| CN112310493A (en) * | 2019-11-29 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Processing method of failure battery unit, battery module, battery pack and device |
| KR102666797B1 (en) | 2019-11-29 | 2024-05-16 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Processing method for expired battery units, battery modules, battery packs and devices |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2346109B1 (en) * | 2010-01-18 | 2012-11-14 | REVA GmbH Vertrieb von elektronischen Produkten | Cell pack with multiple individual cells held together by means of sealing compound |
| CN203932177U (en) * | 2013-09-30 | 2014-11-05 | 上海比亚迪有限公司 | A kind of cell connector and use the electrokinetic cell of this cell connector |
| CN104393224A (en) * | 2014-12-16 | 2015-03-04 | 苏州易美新思新能源科技有限公司 | Bus bar for supporting high-power application of battery pack |
| CN104409679A (en) * | 2014-12-16 | 2015-03-11 | 苏州易美新思新能源科技有限公司 | Folded type busbar for large-power application of battery pack |
| CN204577505U (en) * | 2015-04-24 | 2015-08-19 | 宁德时代新能源科技有限公司 | Battery modules brace |
-
2016
- 2016-07-26 CN CN201610594480.8A patent/CN107658411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2346109B1 (en) * | 2010-01-18 | 2012-11-14 | REVA GmbH Vertrieb von elektronischen Produkten | Cell pack with multiple individual cells held together by means of sealing compound |
| CN203932177U (en) * | 2013-09-30 | 2014-11-05 | 上海比亚迪有限公司 | A kind of cell connector and use the electrokinetic cell of this cell connector |
| CN104393224A (en) * | 2014-12-16 | 2015-03-04 | 苏州易美新思新能源科技有限公司 | Bus bar for supporting high-power application of battery pack |
| CN104409679A (en) * | 2014-12-16 | 2015-03-11 | 苏州易美新思新能源科技有限公司 | Folded type busbar for large-power application of battery pack |
| CN204577505U (en) * | 2015-04-24 | 2015-08-19 | 宁德时代新能源科技有限公司 | Battery modules brace |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310493A (en) * | 2019-11-29 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Processing method of failure battery unit, battery module, battery pack and device |
| WO2021104330A1 (en) * | 2019-11-29 | 2021-06-03 | 宁德时代新能源科技股份有限公司 | Method for processing failed battery unit, battery module, battery pack, and device |
| JP7332121B2 (en) | 2019-11-29 | 2023-08-23 | 寧徳時代新能源科技股▲分▼有限公司 | Method for processing faulty battery unit, battery module, battery pack and device |
| KR102666797B1 (en) | 2019-11-29 | 2024-05-16 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Processing method for expired battery units, battery modules, battery packs and devices |
| CN111146487A (en) * | 2019-12-31 | 2020-05-12 | 广西玉柴机器股份有限公司 | Electric power connection structure capable of self-adapting to deformation of fuel cell stack |
| CN111146487B (en) * | 2019-12-31 | 2022-04-22 | 广西玉柴机器股份有限公司 | Electric power connection structure capable of self-adapting to deformation of fuel cell stack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6014837B2 (en) | Negative electrode terminal and lid member for lithium ion battery, and lithium ion battery | |
| JP5481178B2 (en) | Battery pack and single battery | |
| US20240088396A1 (en) | Secondary battery and electrode plate | |
| US10910296B2 (en) | Lead frame and method of fabricating the same | |
| CN108428685B (en) | Semiconductor device | |
| CN110447125A (en) | It is provided with the battery module of end frame | |
| CN106463468B (en) | Thin film capacitor manufacturing method, integrated circuit installation base plate and the semiconductor device equipped with the substrate | |
| CN110100330A (en) | Battery module | |
| WO2014050112A1 (en) | Solid electrolytic capacitor and production method therefor | |
| CN107658411A (en) | Output pole assembly and battery module | |
| CN103682226A (en) | Overlap welding of cell connector on battery cell | |
| JP5474441B2 (en) | Solid electrolytic capacitor and manufacturing method thereof | |
| JP5457690B2 (en) | battery | |
| JP4765103B2 (en) | Capacitor | |
| CN109935772A (en) | A kind of battery case and its battery modules, conductive connecting piece | |
| CN104795974A (en) | Intelligent power module, control circuit of intelligent power module and manufacturing method of intelligent power module | |
| US8723032B2 (en) | Conductor grid for electronic housings and manufacturing method | |
| JP2017191824A (en) | Metallized film capacitor and method of manufacturing the same | |
| TW200533270A (en) | Circuit board | |
| TWI267883B (en) | Solid electrolytic capacitor and method for producing the same | |
| CN216773470U (en) | Improved pole lug and pole piece with same | |
| JP2020088319A (en) | Semiconductor device | |
| CN207781724U (en) | Collector, battery core and the vehicle of battery core | |
| CN102157821A (en) | Electrical component comprising a hotmelt element | |
| CN211909301U (en) | Battery core assembling structure and battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |
|
| RJ01 | Rejection of invention patent application after publication |