CN105977438A - Method for producing copper and nickel composite conflux sheet - Google Patents
Method for producing copper and nickel composite conflux sheet Download PDFInfo
- Publication number
- CN105977438A CN105977438A CN201610044584.1A CN201610044584A CN105977438A CN 105977438 A CN105977438 A CN 105977438A CN 201610044584 A CN201610044584 A CN 201610044584A CN 105977438 A CN105977438 A CN 105977438A
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- Prior art keywords
- copper
- nickel
- sheet
- confluxes
- combined
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- 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
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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 discloses a method for producing a copper and nickel composite conflux sheet. The method comprises the following steps: 1) preparing a base material; 2) spraying a layer of brazing filler metal on copper strips; 3) employing a clamp for clamping the tightly connected copper and nickel strips; 4) performing brazing by a brazing furnace; 5) etching the copper and nickel strips to form the copper and nickel composite conflux sheet; 6) plating; and 7) drying. According to the invention, a brazing mode is employing for directly welding the copper and nickel strips, the production process is simplified, production cost is reduced, the steps are easily controlled, generation of the unqualified product is reduced, and the economic benefit is increased. The produced copper and nickel composite conflux sheet has the advantages of good conductive performance, light weight, and good welding effect, the copper and nickel strips can be fully contacted, and no bubbles can be generated.
Description
Technical field
The present invention relates to cell art, be specifically related to a kind of copper nickel and be combined the production method of the sheet that confluxes.
Background technology
Now the battery of electronics, electric equipment products needs substantial amounts of conductive connecting piece, need to be placed in battery core by conductive connecting piece by the technique such as paster, welding by conductive connecting piece one by one, due to when paster, two adjacent connection sheets of welding, weld seam is had at weld, the existence of weld seam can affect the connection sheet electric conductivity of whole set of cells, and the technique welded one by one is loaded down with trivial details, easily produce defective products, reduce benefit, existence due to weld seam, the whole weight ratio of battery bag/group is relatively big, carries to user and serves inconvenience.The problem that sheet exists is connected for need to weld one by one, someone produces a kind of ambrose alloy composite plate now, conflux sheet by the connection that the etching formation of ambrose alloy composite plate needs, the monolithic conductive performance of this sheet that confluxes is good, the technique that the sheet that confluxes is welded in battery core is become simple, improves production efficiency, reduce the generation of defective products, but the processing technique of this ambrose alloy composite plate itself is complicated, the cost of manufacture of needs is high, it is difficult to be widely popularized use in enterprise.Between this, it would be desirable to a kind of production technology of research and development is relatively easy, and production cost is low, good conductivity be conductively connected the sheet that confluxes.
Summary of the invention
The present invention is to solve that above-mentioned technical problem provides a kind of copper nickel and is combined the production method of the sheet that confluxes, this production method solves the technical problems such as the electric conductivity difference of existing production method complex process, cost height, connection sheet.
A kind of copper nickel is combined the production method of the sheet that confluxes, and specifically includes following steps:
Step one, prepares base material, and size as required cuts base material, and described base material is nickel strap and copper strips；
Step 2, on copper strips, uniform spreading spills one layer of cored solder, and the fusing point of cored solder covers in cored solder less than the fusing point of base material, nickel strap, and nickel strap is connected by cored solder is identical with copper strips；
Step 3, use clamp coincide connect nickel strap and copper strips；
Step 4, nickel strap and copper strips are welded by the mode using soldering, it is specially and nickel strap and the copper strips of clamping are sent into soldering oven and carried out high temperature melt, after material to be brazed melts completely, nickel strap and copper strips are welded, nickel strap to be welded cools down after welding with copper strips, forms copper nickel composite band after cooling；
Step 5, is etched the copper nickel composite band after cooling according to the employing film that needs of battery core, forms the compound sheet that confluxes of copper nickel；
Step 6, conflux sheet compound to the copper nickel etched is electroplated；
Step 7, conflux sheet compound to the copper nickel electroplated is dried.
Preferably, described soldering oven is that collection is heated, welds, is cooled to structure integrally.
Preferably, the cored solder of described step 2 is mixed by copper and silver, and the fusing point of cored solder is 750 DEG C-850 DEG C.
Preferably, cored solder time of high temperature melt in soldering oven is more than or equal to 60min, and the temperature in oven is more than the melting temperature of cored solder, less than the melting temperature of fusing point junior between copper strips and nickel strap person.
Preferably, described cored solder is the time 65min of high temperature melt in soldering oven, and the temperature in oven is 780 DEG C/800 DEG C/820 DEG C.
Preferably, described fixture includes two intermediate plates, the area that the area of the clamping face of two intermediate plates contacts with holder face more than or equal to nickel strap or copper strips.
Preferably, it is filled with nitrogen in the described cooling structure in soldering oven.
Preferably, with exhaust hole on described intermediate plate.
It is further preferred that described copper strips thickness is 0.5mm-0.8mm, described nickel strap thickness is 0.1mm-0.2mm.
It is further preferred that described copper strips thickness is 0.6mm/0.7mm, described nickel strap thickness is 0.15mm.
The present invention provides a kind of copper nickel to be combined the production method of the sheet that confluxes, this method uses the mode of soldering copper strips and the nickel strap of needs to be welded directly together, to heat, weld, cool down be integrated in soldering oven in complete, decrease production procedure, production technology simplifies, and reduces production cost low, and each step is easily controllable, reduce the generation of defective products, improve economic benefit.The copper nickel that this mode is produced is combined conducting electricity very well of the sheet that confluxes, and overall weight is light, alleviates the overall weight of battery bag/set of cells；The setting of exhaust hole on cooler environment and fixture, it is possible to avoiding there is bubble between the copper nickel strap after soldering, welding effect is good, it is possible to makes copper strips and nickel strap be fully contacted, will not alveolate produce.
Accompanying drawing explanation
The copper nickel that Fig. 1 present invention produces is combined the cutting structural representation of the sheet that confluxes.
Detailed description of the invention
In order to allow those skilled in the art be more fully understood that technical scheme, the present invention is further elaborated below.
The compound sheet that confluxes of a kind of copper nickel as shown in Figure 1, copper strips 1, nickel strap 2, cored solder 3.
The elementary production steps that this copper nickel is combined the sheet that confluxes includes: base material prepares, and melts base material, welds, cools down, and etching is electroplated and dried.
The present invention provides a kind of copper nickel to be combined the production method of the sheet that confluxes, and specifically includes following steps:
Step one, prepares base material, and size as required cuts base material, and described base material is nickel strap and copper strips, and described copper strips and the length and width of nickel strap are equivalently-sized, and described copper strips thickness is 0.5mm-0.8mm, and described nickel strap thickness is 0.1mm-0.2mm；Preferably, described copper strips thickness is 0.6mm/0.7mm, and described nickel strap thickness is 0.15mm；
Step 2, on copper strips, uniform spreading spills one layer of cored solder, and the fusing point of cored solder covers in cored solder less than the fusing point of base material, nickel strap, and nickel strap is connected by cored solder is identical with copper strips, and cored solder can be covered with nickel strap and copper strips contact surface between the two after melting；
Step 3, use clamp coincide connect nickel strap and copper strips, the clamping force of fixture enough makes nickel strap, cored solder and copper strips be clamped together, described fixture includes two intermediate plates, with exhaust hole on intermediate plate, the area that the area of the clamping face of two intermediate plates of fixture contacts with holder face more than or equal to nickel strap or copper strips；
Step 4, nickel strap and copper strips are welded by the mode using soldering, it is specially and nickel strap and the copper strips of clamping are sent into soldering oven and carried out high temperature melt, after material to be brazed melts completely, nickel strap and copper strips are welded, nickel strap to be welded cools down after welding with copper strips, forms copper nickel composite band after cooling；Cored solder is mixed by copper and silver, and the fusing point of cored solder is 750 DEG C-850 DEG C.Cored solder toasts time of thawing more than or equal to 60min in oven, and the temperature in oven is more than the melting temperature of cored solder, less than the melting temperature of fusing point junior between copper strips and nickel strap person.Preferably, it is 65min that cored solder toasts the time of thawing in oven, and the temperature in oven is 780 DEG C/800 DEG C/820 DEG C.It is filled with nitrogen in the described cooling structure in soldering oven.Described soldering oven is that collection is heated, welds, is cooled to structure integrally.
Step 5, is etched the copper nickel composite band after cooling according to the employing film that needs of battery core, forms the compound sheet that confluxes of copper nickel；
Step 6, conflux sheet compound to the copper nickel etched carries out nickel plating；
Step 7, conflux sheet compound to the copper nickel electroplated is dried.
Described base material can be nickel strap, copper strips, the combination of two of three kinds of materials of aluminium strip, and i.e. formation copper nickel is combined the sheet that confluxes, aluminum nickel is combined the sheet that confluxes, Copper-Aluminum compound confluxes sheet, and the thickness of three kinds of base materials can be determined as required.
The present invention provides a kind of copper nickel to be combined the production method of the sheet that confluxes, this method uses the mode of soldering copper strips and the nickel strap of needs to be welded directly together, to heat, weld, cool down be integrated in soldering oven in complete, decrease production procedure, production technology simplifies, and reduces production cost low, and each step is easily controllable, reduce the generation of defective products, improve economic benefit.The copper nickel that this mode is produced is combined conducting electricity very well of the sheet that confluxes, and overall weight is light, alleviates the overall weight of battery bag/set of cells；The setting of exhaust hole on cooler environment and fixture, it is possible to avoiding there is bubble between the copper nickel strap after soldering, welding effect is good, it is possible to makes copper strips and nickel strap be fully contacted, will not alveolate produce.
It it is more than the present invention preferably implementation; it should be noted that; in the case of without departing substantially from present invention spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and deformation according to the present invention, but these change and deform the protection domain that all should belong to appended claims of the invention.
Claims (10)
1. a copper nickel is combined the production method of the sheet that confluxes, it is characterised in that specifically include following steps:
Step one, prepares base material, and size as required cuts base material, and described base material is nickel strap and copper strips；
Step 2, on copper strips, uniform spreading spills one layer of cored solder, and the fusing point of cored solder covers in cored solder less than the fusing point of base material, nickel strap, and nickel strap is connected by cored solder is identical with copper strips；
Step 3, use clamp coincide connect nickel strap and copper strips；
Step 4, nickel strap and copper strips are welded by the mode using soldering, it is specially and nickel strap and the copper strips of clamping are sent into soldering oven and carried out high temperature melt, after material to be brazed melts completely, nickel strap and copper strips are welded, nickel strap to be welded cools down after welding with copper strips, forms copper nickel composite band after cooling；
Step 5, is etched the copper nickel composite band after cooling according to the employing film that needs of battery core, forms the compound sheet that confluxes of copper nickel；
Step 6, conflux sheet compound to the copper nickel etched is electroplated；
Step 7, conflux sheet compound to the copper nickel electroplated is dried.
Copper nickel the most according to claim 1 is combined the production method of the sheet that confluxes, it is characterised in that: described soldering oven is that collection is heated, welds, is cooled to structure integrally.
Copper nickel the most according to claim 2 is combined the production method of the sheet that confluxes, it is characterised in that: the cored solder of described step 2 is mixed by copper and silver, and the fusing point of cored solder is 750 DEG C-850 DEG C.
Copper nickel the most according to claim 3 is combined the production method of the sheet that confluxes, it is characterized in that: cored solder time of high temperature melt in soldering oven is more than or equal to 60min, temperature in oven is more than the melting temperature of cored solder, less than the melting temperature of fusing point junior between copper strips and nickel strap person.
Copper nickel the most according to claim 4 is combined the production method of the sheet that confluxes, it is characterised in that: described cored solder is the time 65min of high temperature melt in soldering oven, and the temperature in oven is 780 DEG C/800 DEG C/820 DEG C.
Copper nickel the most according to claim 5 is combined the production method of the sheet that confluxes, it is characterised in that: described fixture includes two intermediate plates, the area that the area of the clamping face of two intermediate plates contacts with holder face more than or equal to nickel strap or copper strips.
Copper nickel the most according to claim 6 is combined the production method of the sheet that confluxes, it is characterised in that: it is filled with nitrogen in the described cooling structure in soldering oven.
Copper nickel the most according to claim 7 is combined the production method of the sheet that confluxes, it is characterised in that: with exhaust hole on described intermediate plate.
9. the production method of the sheet that confluxes it is combined according to the copper nickel described in any one of claim 1 ~ 8, it is characterised in that: described copper strips thickness is 0.5mm-0.8mm, and described nickel strap thickness is 0.1mm-0.2mm.
Copper nickel the most according to claim 9 is combined the production method of the sheet that confluxes, it is characterised in that: described copper strips thickness is 0.6mm/0.7mm, and described nickel strap thickness is 0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044584.1A CN105977438B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610044584.1A CN105977438B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
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| Publication Number | Publication Date |
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| CN105977438A true CN105977438A (en) | 2016-09-28 |
| CN105977438B CN105977438B (en) | 2019-03-05 |
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| CN201610044584.1A Active CN105977438B (en) | 2016-01-25 | 2016-01-25 | A kind of production method of the compound confluence piece of cupro-nickel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120490A (en) * | 2018-02-05 | 2019-08-13 | 广东九九华立新材料股份有限公司 | A kind of processing method of lithium ion battery pole |
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| EP1920916A1 (en) * | 2006-09-07 | 2008-05-14 | Hitachi Vehicle Energy, Ltd. | Assembled battery |
| CN202268424U (en) * | 2011-09-26 | 2012-06-06 | 比亚迪股份有限公司 | Battery pack |
| CN102489871A (en) * | 2011-12-05 | 2012-06-13 | 贵研铂业股份有限公司 | Welding method of copper and copper alloy |
| CN104638265A (en) * | 2015-01-29 | 2015-05-20 | 徐卓辉 | Conductive connecting piece for battery and preparation method of conductive connecting piece |
| CN105014306A (en) * | 2014-04-29 | 2015-11-04 | 谢振华 | Conductive composite metal sheet between lugs in batteries or batteries and machining method |
| CN105063699A (en) * | 2015-08-04 | 2015-11-18 | 湖南永盛新材料股份有限公司 | Nickel-plated copper material and preparation method and application thereof |
-
2016
- 2016-01-25 CN CN201610044584.1A patent/CN105977438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1920916A1 (en) * | 2006-09-07 | 2008-05-14 | Hitachi Vehicle Energy, Ltd. | Assembled battery |
| CN202268424U (en) * | 2011-09-26 | 2012-06-06 | 比亚迪股份有限公司 | Battery pack |
| CN102489871A (en) * | 2011-12-05 | 2012-06-13 | 贵研铂业股份有限公司 | Welding method of copper and copper alloy |
| CN105014306A (en) * | 2014-04-29 | 2015-11-04 | 谢振华 | Conductive composite metal sheet between lugs in batteries or batteries and machining method |
| CN104638265A (en) * | 2015-01-29 | 2015-05-20 | 徐卓辉 | Conductive connecting piece for battery and preparation method of conductive connecting piece |
| CN105063699A (en) * | 2015-08-04 | 2015-11-18 | 湖南永盛新材料股份有限公司 | Nickel-plated copper material and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120490A (en) * | 2018-02-05 | 2019-08-13 | 广东九九华立新材料股份有限公司 | A kind of processing method of lithium ion battery pole |
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| CN105977438B (en) | 2019-03-05 |
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