CN109346657A - A kind of lightweight aluminium nickel composite bus-bar wire processing method - Google Patents
A kind of lightweight aluminium nickel composite bus-bar wire processing method Download PDFInfo
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- CN109346657A CN109346657A CN201811089685.6A CN201811089685A CN109346657A CN 109346657 A CN109346657 A CN 109346657A CN 201811089685 A CN201811089685 A CN 201811089685A CN 109346657 A CN109346657 A CN 109346657A
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- processing method
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- bar wire
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Classifications
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to lightweight aluminium nickel composite bus-bar wire processing method, its implementation is as follows: choosing nickel strap and aluminium strip, mating surface to carry out cleaning treatment the two；It is compound that nickel strap and aluminium strip are carried out to hot pressing in an inert atmosphere；Product outer surface is processed by shot blasting after will be compound, is made annealing treatment in bright annealing furnace after processing；Product after annealing is carried out repeatedly to be calendered to the thickness for reaching demand；The plastic deformation of metal and intermetallic atom diffusion principle are made full use of, two kinds of Material claddings are integrated with nickel by calendering compound machine by aluminium, do not need to be attached again by the mode of local spot welding；After two kinds of materials are complex as a whole by calendering, the contact resistance of storeroom is far smaller than local welding product after punching press, reduces the loss of battery after welding, improves the service life of battery；Material after compound is upper flexible and changeable in product shape design, can quickly deliver product using etch process, be especially advantageous for the exploitation of trendy product.
Description
Technical field
The present invention relates to busbar connector technical fields, process more specifically to a kind of lightweight aluminium nickel composite bus-bar wire
Method.
Background technique
The production method of busbar connector used at present usually by: after copper sheet punching press with after nickel sheet punching press by soldering be combined into one
Body or copper be integrated after nickel plated steel strip respectively punching press by soldering or aluminium and nickel are combined into one by soldering after punching press respectively
Body；Welding difficulty is high, and firm welding intensity is unstable, is easy to appear rosin joint, crosses weldering phenomenon；In addition, part soldering, two kinds of materials
Contact resistance between material is big, will cause energy loss.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of lightweight aluminium nickel
Composite bus-bar wire processing method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of lightweight aluminium nickel composite bus-bar wire processing method is constructed, its implementation is as follows:
Step 1: choosing nickel strap and aluminium strip, mating surface to carry out cleaning treatment the two；
Step 2: it is compound that nickel strap and aluminium strip are carried out to hot pressing in an inert atmosphere；
Step 3: product outer surface is processed by shot blasting after will be compound, is carried out at annealing in bright annealing furnace after processing
Reason；
Step 4: product after annealing is carried out repeatedly to be calendered to the thickness for reaching demand.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein further include step 5: calendering is reached
Size is sliced the product that thickness needs as needed, and aligning pressing processing is carried out after slice.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein further include step 6: step 5 is obtained
To product be etched processing.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein nickel strap thickness value in the step 1
Range is 1.5-2.0mm, and state is soft state or 1/4H state, and hardness number is in HV80-90.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein al zone thickness value in the step 1
Range is 2.0-4.0mm, and state is soft state or 1/4H state, and hardness number is in HV18-35.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein cleaning treatment packet in the step 1
It includes polishing removal of impurities, except oxidation and baking process, keeps material surface dry, no water mark or water spots.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein in the step 2, to nickel when hot pressing
Band provides thermal energy, and temperature is at 250-350 DEG C.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein further include step in the step 2
It is rapid: after fractureing back and forth to compound rear product, to judge whether qualification according to whether the end face that fractures separates.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein in the step 3, annealing temperature model
Enclose is 350-450 DEG C.
Lightweight aluminium nickel composite bus-bar wire processing method of the present invention, wherein further comprised the steps of: in the step 5
Veneer protection is carried out with blue film to the slice after cutting.
The beneficial effects of the present invention are: the plastic deformation of metal and intermetallic atom diffusion principle are made full use of, it will
Two kinds of Material claddings are integrated with nickel by calendering compound machine by aluminium, do not need to be connected again by the mode of local spot welding
It connects；After two kinds of materials are complex as a whole by calendering, the contact resistance of storeroom is far smaller than local welding product after punching press,
The loss for reducing battery after welding, improves the service life of battery；Material after compound is upper flexible in product shape design
It is changeable, it is only necessary to corresponding drawing is drawn with system, quickly product can be delivered using etch process, do not need customized grinding tool, it is non-
Often it is conducive to the exploitation of trendy product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below in conjunction with attached drawing and reality
Applying example, the invention will be further described, and the accompanying drawings in the following description is only section Example of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other accompanying drawings:
Fig. 1 is the lightweight aluminium nickel composite bus-bar wire processing method flow chart of present pre-ferred embodiments.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Technical solution in example carries out clear, complete description, it is clear that and described embodiment is section Example of the invention, and
It is not all of embodiment.Based on the embodiment of the present invention, those of ordinary skill in the art are not before making the creative labor
Every other embodiment obtained is put, protection scope of the present invention is belonged to.
The lightweight aluminium nickel composite bus-bar wire processing method of present pre-ferred embodiments, as shown in Figure 1, its implementation is such as
Under:
S01: choosing nickel strap and aluminium strip, mating surface to carry out cleaning treatment the two；
S02: it is compound that nickel strap and aluminium strip are carried out to hot pressing in an inert atmosphere；
S03: product outer surface is processed by shot blasting after will be compound, is made annealing treatment in bright annealing furnace after processing；
S04: product after annealing is carried out repeatedly to be calendered to the thickness for reaching demand；
The plastic deformation of metal and intermetallic atom diffusion principle are made full use of, it will by calendering compound machine by aluminium and nickel
Two kinds of Material claddings are integrated, and do not need to be attached again by the mode of local spot welding；Two kinds of materials are multiple by calendering
After being integrated, the contact resistance of storeroom is far smaller than local welding product after punching press, reduces the loss of battery after welding,
Improve the service life of battery；Material after compound is upper flexible and changeable in product shape design, it is only necessary to be drawn with system corresponding
Product can be delivered quickly using etch process, not need customized grinding tool, be especially advantageous for the exploitation of trendy product by drawing；
It should be noted that in step 2, nickel strap and aluminium strip can be put into in inert gas environment to carry out hot pressing compound,
It can be only that inert gas is passed through to junction is compound to carry out hot pressing；
Preferably, inert gas uses N2Or ammonolysis craft gas N2、H2。
Preferably, aluminium strip selects fine aluminium band, and nickel strap selects pure nickel band；
As shown in Figure 1, further including S05: calendering is reached the product that thickness needs, and size is sliced as needed, after slice
Carry out aligning pressing processing；Finished product band carries out slicing treatment by the length requirement of design drawing, need after slice with straightening roll into
Row aligning, which flattens, guarantees enough plate face straightness.
As shown in Figure 1, further including S06: being etched processing to the product that step 5 obtains；Slice passes through local etching work
Skill is processed, and design/customer requirement is reached.Wherein etching solution is acidity FeCl3Solution, by redox reaction, by office
The aluminium in portion/nickel carries out chemical attack, reserves and the pure nickel welded is needed to be used for and welding battery.The crucial key control point of the step is
Do not allow residual aluminum on nickel face after corrosion, otherwise will seriously affect welding quality and finished product electric conductivity.
As shown in Figure 1, nickel strap range of values of thickness is 1.5-2.0mm in step 1, state is soft state or 1/4H state, hardness number
In HV80-90.
As shown in Figure 1, al zone thickness value range is 2.0-4.0mm in step 1, state is soft state or 1/4H state, hardness number
In HV18-35.
As shown in Figure 1, cleaning treatment includes polishing removal of impurities, except oxidation and baking process in step 1, material table is kept
Face is dry, no water mark or water spots；It ensures the clean-up performance of faying face, and then guarantees the intensity after faying face combination.
As shown in Figure 1, in step 2, when hot pressing, provides thermal energy to nickel strap, and temperature is at 250-350 DEG C.
As shown in Figure 1, in step 2, further comprise the steps of: after fractureing back and forth to product after compound, according to fracture end face whether
Separation judges whether qualification.
As shown in Figure 1, annealing region is 350-450 DEG C in step 3；It can be selected properly by the difference of deflection
Annealing temperature；The annealing main purpose is to combine intersection interface more closely, is reinforced
The combined strength bination of product.
Veneer protection is carried out with blue film to the slice after cutting as shown in Figure 1, further comprising the steps of: in step 5, prevents table
Face is scratched during cutting or moving, dampens, and avoids causing product etching quality unstable because such is abnormal.
Specific embodiment 1:
Step 1:
Nickel strap: 1.5 × 115mm, HV1.0:90, volume 1；
Aluminium strip: 4.0 × 115mm, HV1.0:18, volume 2；
Two piece of tape polish surface on polishing machine, are rinsed after polishing with hot water, while being carried out with hot wind
Drying guarantees surface no-sundries, water spots etc.；
Step 2:
Carried out on two rolling compounding machines it is compound, nickel strap roll mouth temperature control at 250 DEG C, temperature deviation is ±
5 DEG C, aluminium strip is room temperature, and ammonolysis craft gas (N2, H2) is passed through before band enters before roll and is protected, and gas flow control is
7Nm3/h, compounding machine exit thickness are 3.0mm, are fractureed for 90 ° after compound feeding tail carries out, section is without segregation phenomenon, combined strength bination
It is qualified；
Step 3:
The black impurity, clast, lines on surface etc. are influenced lacking for later period finished surface by the band polishing machine after compound
It falls into and cleans out, while being dried with hot water and drying equipment.With 350 DEG C, 1m/ in slick style annealing furnace after cleaning
Min technique is heat-treated, and the workhardness of nickel is mainly eliminated, and is cold worked convenient for the later period；
Step 4:
It is rolled back and forth on 4 roller roll mills after annealing, rolls 7 passages altogether, rolled products are with a thickness of 1.2mm.Control
Roll environment well, it is ensured that finished surface massless defect generates.Product after rolling is in slick style annealing furnace with 350 DEG C, 1.5m/
Min technique carries out soft annealing processing；
Step 5:
It is that 1.2*110*250mm is sliced by specification, band is protected before slice with indigo plant film, and surface scratching is avoided
Deng；Straightening processing is carried out with straightening roll after slice, guarantees the straightness of slice；
Step 6:
Finished product is made by etch process (coating, development, local etching, demoulding, drying) in slice as required, is etched
Liquid uses acidity FeCl3 solution, is processed under the conditions of 70 DEG C.The local nickel for needing to etch after etching all appears
Out, without any residual fine aluminium and on the nickel surface of the part.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of lightweight aluminium nickel composite bus-bar wire processing method, which is characterized in that implementation method is as follows:
Step 1: choosing nickel strap and aluminium strip, mating surface to carry out cleaning treatment the two；
Step 2: it is compound that nickel strap and aluminium strip are carried out to hot pressing in an inert atmosphere；
Step 3: product outer surface is processed by shot blasting after will be compound, is made annealing treatment in bright annealing furnace after processing；
Step 4: product after annealing is carried out repeatedly to be calendered to the thickness for reaching demand.
2. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that further include step
Five: calendering is reached the product that thickness needs, and size is sliced as needed, and aligning pressing processing is carried out after slice.
3. lightweight aluminium nickel composite bus-bar wire processing method according to claim 2, which is characterized in that further include step
Six: processing is etched to the product that step 5 obtains.
4. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that in the step 1
Nickel strap range of values of thickness is 1.5-2.0mm, and state is soft state or 1/4H state, and hardness number is in HV80-90.
5. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that in the step 1
Al zone thickness value range is 2.0-4.0mm, and state is soft state or 1/4H state, and hardness number is in HV18-35.
6. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that in the step 1
Cleaning treatment includes polishing removal of impurities, except oxidation and baking process, keeps material surface dry, no water mark or water spots.
7. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that the step 2
In, thermal energy is provided to nickel strap when hot pressing, and temperature is at 250-350 DEG C.
8. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that the step 2
In, it further comprises the steps of: after fractureing back and forth to compound rear product, judges whether qualification according to whether the end face that fractures separates.
9. lightweight aluminium nickel composite bus-bar wire processing method according to claim 1, which is characterized in that the step 3
In, annealing region is 350-450 DEG C.
10. lightweight aluminium nickel composite bus-bar wire processing method according to claim 2, which is characterized in that the step 5
In further comprise the steps of: veneer protection carried out with blue film to the slice after cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811089685.6A CN109346657A (en) | 2018-09-18 | 2018-09-18 | A kind of lightweight aluminium nickel composite bus-bar wire processing method |
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| CN201811089685.6A CN109346657A (en) | 2018-09-18 | 2018-09-18 | A kind of lightweight aluminium nickel composite bus-bar wire processing method |
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Cited By (4)
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| CN111086290A (en) * | 2019-12-30 | 2020-05-01 | 深圳市鑫越新材料科技有限公司 | Lithium battery connecting material and processing technology thereof |
| CN111086291A (en) * | 2019-12-30 | 2020-05-01 | 深圳市鑫越新材料科技有限公司 | Battery packaging connecting material and processing technology thereof |
| CN111128929A (en) * | 2019-12-30 | 2020-05-08 | 深圳市鑫越新材料科技有限公司 | Heat dissipation material and processing technology thereof |
| CN115647035A (en) * | 2022-09-19 | 2023-01-31 | 江苏中色复合材料有限公司 | Nickel-aluminum-nickel composite material, composite process and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086290A (en) * | 2019-12-30 | 2020-05-01 | 深圳市鑫越新材料科技有限公司 | Lithium battery connecting material and processing technology thereof |
| CN111086291A (en) * | 2019-12-30 | 2020-05-01 | 深圳市鑫越新材料科技有限公司 | Battery packaging connecting material and processing technology thereof |
| CN111128929A (en) * | 2019-12-30 | 2020-05-08 | 深圳市鑫越新材料科技有限公司 | Heat dissipation material and processing technology thereof |
| CN111128929B (en) * | 2019-12-30 | 2022-05-17 | 深圳市中金岭南鑫越新材料有限公司 | Heat dissipation material and processing technology thereof |
| CN115647035A (en) * | 2022-09-19 | 2023-01-31 | 江苏中色复合材料有限公司 | Nickel-aluminum-nickel composite material, composite process and application |
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Address after: Room 203, 204 and 205, Zhongjin Lingnan advanced materials factory building, No.2 Jinxiu West Road, Pingshan Industrial Park, Pingshan New District, Shenzhen, Guangdong 518000 Applicant after: SHENZHEN XINYUE NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Room 203.204.205, Zhongjin Lingnan advanced materials factory building, No.2 Jinxiu West Road, Pingshan Industrial Zone, Pingshan New District, Longgang District, Shenzhen, Guangdong 518000 Applicant before: SHENZHEN XINYUE NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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