CN104157823A - Soft connecting piece used for power battery and processing method thereof - Google Patents
Soft connecting piece used for power battery and processing method thereof Download PDFInfo
- Publication number
- CN104157823A CN104157823A CN201410425004.4A CN201410425004A CN104157823A CN 104157823 A CN104157823 A CN 104157823A CN 201410425004 A CN201410425004 A CN 201410425004A CN 104157823 A CN104157823 A CN 104157823A
- Authority
- CN
- China
- Prior art keywords
- metal material
- sheet
- hard
- electrokinetic cell
- flexible coupling
- 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
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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 discloses a soft connecting piece used for a power battery and a processing method thereof. The soft connecting piece comprises a substrate which is formed from a plurality of metal thin pieces in a laminated manner. A plurality of hard zones and a plurality of flexible zones are successively arranged on the substrate at intervals. Parts, which are arranged in the hard zones, of the metal thin pieces are tightly welded to each other integratedly and the parts, which are arranged in the flexible zones, are physically separated from each other. The middle of each hard zone is provided with a connecting hole. The invention also provided a method for processing the soft connecting piece used for the power battery. The soft connecting piece is reliable in connection and can greatly improve convenience, practicability and safety performances of the power battery.
Description
Technical field
The present invention relates to battery, especially relate to a kind of connection reliably, can greatly improve the sheet that is flexible coupling for electrokinetic cell of the convenient and practical property of electrokinetic cell and security performance.
Background technology
Electrokinetic cell is the important component part of new forms of energy battery, the connection of battery be the important part of electrokinetic cell, connection between battery is particularly important to whole battery pack, battery connects the important function that plays derived current, existing electrokinetic cell is all to adopt hard copper coin bolt to fix, battery has loosening possibility through vibrations bolt in groups time, will cause single battery to depart from battery pack, make battery voltage deficiency, likely burn out other power consumption equipment on car, connect to become flexible and also can cause interior resistive large, connection position heating causes catching fire.
Summary of the invention
For overcoming the shortcoming of existing cell connector, the object of the invention is to provide a kind of and connects reliably, can greatly improve sheet and the processing method thereof of being flexible coupling for electrokinetic cell of the convenient and practical property of electrokinetic cell and security performance.
The present invention realizes by following technical measures, a kind of sheet that is flexible coupling for electrokinetic cell, comprise the substrate being laminated into by multiple layer metal material sheet, on described substrate, be set to successively hard and flex region, the part of described metal material thin slice on hard is mutually closely integrally welded, the part physical separation of described metal material thin slice on flex region, middle part, each described hard is provided with connecting hole.
As a kind of optimal way, also comprise be arranged on an end for hard fixed area, on described hard fixed area, be provided with the fixing hole that connects bus terminal.
As a kind of optimal way, the surface of described metal material thin slice in flex region and the surface of hard are provided with layer protective layer.
As a kind of optimal way, described protective layer is silver layer or the nickel dam of electroplating.
As a kind of optimal way, described metal material thin slice is aluminium foil or the Copper Foil of 0.01mm to thickness between 0.2mm.
The invention also discloses the method for a kind of processing dynamics battery with the sheet that is flexible coupling, comprise the following steps,
By metal material sheet lamination; Metal material thin slice outer wrapping one protective layer after stacked; Utilize a side tooth profile thermal conductor to be pressed in the metal material sheet surface after parcel, weld; Material after welding is punched out to connecting hole and fixing hole; The brace of hole punch is put into mould again and carry out bending, flex region is converted into circular arc; On fixing hole, rivet again bus terminal; Finally by brace electro-cladding.
As a kind of optimal way, described protective layer is silver layer or the nickel dam of electroplating.
As a kind of optimal way, described metal material thin slice is aluminium foil or the Copper Foil of 0.01mm to thickness between 0.2mm.
As a kind of optimal way, described side tooth profile thermal conductor is the graphite with side tooth profile.
As a kind of optimal way, described welding manner is macromolecule weldering, ratio-frequency welding, weldering frequently or high temperature hot pressing weldering altogether.
The present invention adopts that multilayer thin material is overlapping to be formed through thermocompression bonding, welding position keeps high hardness, ensure the force intensity that is subject to of electrokinetic cell connection, welding portion multilayer is not disperseed, there is effect bent, distortion, solved pure the turning round hypodynamic problem and being firmly connected the deficiency of being unable to undergo vibrations of being flexible coupling of electrokinetic cell, adopt the junction of soft or hard combination, can effectively improve the reliability of connection, greatly improve convenient and practical property and the fail safe of electrokinetic cell.Adopt new processing technology---macromolecule weldering, ratio-frequency welding, weldering frequently altogether, high temperature hot pressing weldering, by Metal Material Welding very thin multilayer together, thereby make thin material have very high hardness, the deformability that part of welding has not had again can meet difform connection, facilitates the outside of battery to connect.And be conducive to improve the fail safe that electrokinetic cell connects, particularly crucial for the industrialized development of electrokinetic cell.
Brief description of the drawings
Fig. 1 is the end view of the embodiment of the present invention;
Fig. 2 is that the embodiment of the present invention is installed the vertical view after pole;
Fig. 3 is the A partial enlarged drawing of Fig. 1;
Fig. 4 is that the embodiment of the present invention is installed the end view after bus terminal.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
A kind of sheet that is flexible coupling for electrokinetic cell, please refer to Fig. 1 to Fig. 4, comprise the substrate being laminated into by multiple layer metal material sheet, on described substrate, be set to successively hard 1 and flex region 2, the part of described metal material thin slice on hard 1 is mutually closely integrally welded, the part physical separation of described metal material thin slice on flex region 2,1 middle part, each described hard is provided with connecting hole 4.
Processing method is, by metal material sheet lamination; Metal material thin slice outer wrapping one protective layer after stacked; Utilize a side tooth profile thermal conductor as graphite, be pressed in the metal material sheet surface after parcel, take macromolecule weldering, ratio-frequency welding, common weldering frequently or high temperature hot pressing to weld; Material after welding is punched out to connecting hole and fixing hole; The brace of hole punch is put into mould again and carry out bending, flex region is converted into circular arc; On fixing hole, rivet again bus terminal; Finally by brace electro-cladding.
This brace adopts that multilayer thin material is overlapping to be formed through thermocompression bonding, welding position keeps high hardness, ensure the force intensity that is subject to connecting, welding portion multilayer is not disperseed, there is effect bent, distortion, solved pure the turning round hypodynamic problem and being firmly connected the deficiency of being unable to undergo vibrations of being flexible coupling of electrokinetic cell, adopt the junction of soft or hard combination, can effectively improve the reliability of connection, greatly improve convenient and practical property and the fail safe of electrokinetic cell.Adopt new processing technology---macromolecule weldering, ratio-frequency welding, weldering frequently altogether, high temperature hot pressing weldering, by Metal Material Welding very thin multilayer together, thereby make thin material have very high hardness, the deformability that part of welding has not had again can meet difform connection, facilitates the outside of battery to connect.And be conducive to improve the fail safe that electrokinetic cell connects, particularly crucial for the industrialized development of electrokinetic cell.
In embodiment at an electrokinetic cell with the sheet that is flexible coupling, please refer to Fig. 2 and Fig. 3, on the basis of previous technique scheme, can also be specifically, also comprise be arranged on an end for hard fixed area 3, on described hard fixed area 3, be provided with the fixing hole 5 that connects bus terminal 6.
With in the embodiment of sheet of being flexible coupling, on the basis of previous technique scheme, can also be specifically that the surface of metal material thin slice in flex region and the surface of hard are provided with layer protective layer at an electrokinetic cell.
In embodiment at an electrokinetic cell with the sheet that is flexible coupling, on the basis of previous technique scheme, can also be specifically that protective layer is silver layer or nickel dam or other protective layer of electroplating.
In embodiment at an electrokinetic cell with the sheet that is flexible coupling, on the basis of previous technique scheme, can also be specifically that metal material thin slice is aluminium foil or the Copper Foil of 0.01mm to thickness between 0.2mm.
More than that the electrokinetic cell of the present invention sheet that is flexible coupling is set forth; be used for helping to understand the present invention; but embodiments of the present invention are not restricted to the described embodiments; anyly do not deviate from the change done under the principle of the invention, modification, substitute, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. the sheet that is flexible coupling for electrokinetic cell, it is characterized in that: comprise the substrate being laminated into by multiple layer metal material sheet, on described substrate, be set to successively hard and flex region, the part of described metal material thin slice on hard is mutually closely integrally welded, the part physical separation of described metal material thin slice on flex region, middle part, each described hard is provided with connecting hole.
2. the sheet that is flexible coupling for electrokinetic cell according to claim 1, is characterized in that: also comprise that what be arranged on an end is hard fixed area, is provided with the fixing hole that connects bus terminal on described hard fixed area.
3. the sheet that is flexible coupling for electrokinetic cell according to claim 1, is characterized in that: the surface of described metal material thin slice in flex region and the surface of hard are provided with layer protective layer.
4. the sheet that is flexible coupling for electrokinetic cell according to claim 3, is characterized in that: described protective layer is silver layer or the nickel dam of electroplating.
5. the sheet that is flexible coupling for electrokinetic cell according to claim 1, is characterized in that: described metal material thin slice is aluminium foil or the Copper Foil of 0.01mm to thickness between 0.2mm.
6. a method for the sheet that is flexible coupling for processing dynamics battery, is characterized in that: comprises the following steps,
By metal material sheet lamination; Metal material thin slice outer wrapping one protective layer after stacked; Utilize a side tooth profile thermal conductor to be pressed in the metal material sheet surface after parcel, weld; Material after welding is punched out to connecting hole and fixing hole; The brace of hole punch is put into mould again and carry out bending, flex region is converted into circular arc; On fixing hole, rivet again bus terminal; Finally by brace electro-cladding.
7. according to the described processing method of claim 6, it is characterized in that: described protective layer is silver layer or the nickel dam of electroplating.
8. according to the described processing method of claim 6, it is characterized in that: described metal material thin slice is aluminium foil or the Copper Foil of 0.01mm to thickness between 0.2mm.
9. according to the described processing method of claim 6, it is characterized in that: described side tooth profile thermal conductor is the graphite with side tooth profile.
10. according to the described processing method of claim 6, it is characterized in that: described welding manner is macromolecule weldering, ratio-frequency welding, weldering frequently or high temperature hot pressing weldering altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425004.4A CN104157823A (en) | 2014-08-26 | 2014-08-26 | Soft connecting piece used for power battery and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425004.4A CN104157823A (en) | 2014-08-26 | 2014-08-26 | Soft connecting piece used for power battery and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104157823A true CN104157823A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410425004.4A Pending CN104157823A (en) | 2014-08-26 | 2014-08-26 | Soft connecting piece used for power battery and processing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104157823A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679987A (en) * | 2016-03-21 | 2016-06-15 | 广东莫莱卡焊接科技有限公司 | Flexible connecting board for power battery and machining method for soft connecting board |
| CN105742841A (en) * | 2016-04-13 | 2016-07-06 | 苏州高迈新能源有限公司 | Flexible conductive connecting part and manufacturing method therefor |
| CN106207064A (en) * | 2016-08-30 | 2016-12-07 | 东莞市佳超五金科技有限公司 | A kind of attachment structure and processing technology thereof |
| CN106252540A (en) * | 2016-08-31 | 2016-12-21 | 谢振华 | The structure of a kind of flexible-packed battery and manufacture method |
| CN106956072A (en) * | 2017-04-06 | 2017-07-18 | 爱迪森自动化科技（昆山）有限公司 | A kind of connection method of diffusion welding (DW) laminated aluminium foil |
| CN107403900A (en) * | 2017-09-13 | 2017-11-28 | 杭州韦孚智能科技有限公司 | Hard soft composite conducting contiguous block |
| CN110449723A (en) * | 2019-08-30 | 2019-11-15 | 东莞市万连实业有限公司 | The disposable welding shaping method that the aluminium foil of different-thickness is flexible coupling |
| CN110883505A (en) * | 2019-08-30 | 2020-03-17 | 东莞市万连实业有限公司 | Multipoint aluminum-nickel simultaneous welding method |
| CN114122631A (en) * | 2021-11-27 | 2022-03-01 | 东莞市万连实业有限公司 | Preparation method of novel cell electrode switching sheet |
| CN114871558A (en) * | 2022-05-13 | 2022-08-09 | 湖北钛时代新能源有限公司 | Preparation method of flexible connection polar plate |
| WO2023174277A1 (en) * | 2022-03-14 | 2023-09-21 | 吉林省中赢高科技有限公司 | Electric energy transmission assembly and vehicle |
Citations (3)
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| CN202084668U (en) * | 2011-05-12 | 2011-12-21 | 无锡市东杨电子有限公司 | High-capacity and high-power motive module and flexible connecting strip thereof |
| CN202817064U (en) * | 2012-08-06 | 2013-03-20 | 王正尧 | Soft connector of power battery pack |
| EP2731168A1 (en) * | 2009-10-01 | 2014-05-14 | Diehl Stiftung & Co. KG | Device for electrically interconnecting cells in a battery pack by means of cell connectors and battery pack with such cell connectors |
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2014
- 2014-08-26 CN CN201410425004.4A patent/CN104157823A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2731168A1 (en) * | 2009-10-01 | 2014-05-14 | Diehl Stiftung & Co. KG | Device for electrically interconnecting cells in a battery pack by means of cell connectors and battery pack with such cell connectors |
| CN202084668U (en) * | 2011-05-12 | 2011-12-21 | 无锡市东杨电子有限公司 | High-capacity and high-power motive module and flexible connecting strip thereof |
| CN202817064U (en) * | 2012-08-06 | 2013-03-20 | 王正尧 | Soft connector of power battery pack |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679987A (en) * | 2016-03-21 | 2016-06-15 | 广东莫莱卡焊接科技有限公司 | Flexible connecting board for power battery and machining method for soft connecting board |
| CN105742841A (en) * | 2016-04-13 | 2016-07-06 | 苏州高迈新能源有限公司 | Flexible conductive connecting part and manufacturing method therefor |
| CN106207064A (en) * | 2016-08-30 | 2016-12-07 | 东莞市佳超五金科技有限公司 | A kind of attachment structure and processing technology thereof |
| CN106252540B (en) * | 2016-08-31 | 2019-04-23 | 谢振华 | A kind of structure and manufacturing method of flexible-packed battery |
| CN106252540A (en) * | 2016-08-31 | 2016-12-21 | 谢振华 | The structure of a kind of flexible-packed battery and manufacture method |
| CN106956072A (en) * | 2017-04-06 | 2017-07-18 | 爱迪森自动化科技（昆山）有限公司 | A kind of connection method of diffusion welding (DW) laminated aluminium foil |
| CN106956072B (en) * | 2017-04-06 | 2019-11-26 | 哈尔滨工大华策科技有限公司 | A kind of connection method of diffusion welding (DW) laminated aluminium foil |
| CN107403900A (en) * | 2017-09-13 | 2017-11-28 | 杭州韦孚智能科技有限公司 | Hard soft composite conducting contiguous block |
| CN110449723A (en) * | 2019-08-30 | 2019-11-15 | 东莞市万连实业有限公司 | The disposable welding shaping method that the aluminium foil of different-thickness is flexible coupling |
| CN110883505A (en) * | 2019-08-30 | 2020-03-17 | 东莞市万连实业有限公司 | Multipoint aluminum-nickel simultaneous welding method |
| CN110449723B (en) * | 2019-08-30 | 2021-08-27 | 东莞市万连实业有限公司 | One-time welding forming method for soft connection of aluminum foils with different thicknesses |
| CN114122631A (en) * | 2021-11-27 | 2022-03-01 | 东莞市万连实业有限公司 | Preparation method of novel cell electrode switching sheet |
| CN114122631B (en) * | 2021-11-27 | 2024-01-26 | 东莞市万连实业有限公司 | Preparation method of cell electrode switching sheet |
| WO2023174277A1 (en) * | 2022-03-14 | 2023-09-21 | 吉林省中赢高科技有限公司 | Electric energy transmission assembly and vehicle |
| CN114871558A (en) * | 2022-05-13 | 2022-08-09 | 湖北钛时代新能源有限公司 | Preparation method of flexible connection polar plate |
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Application publication date: 20141119 |