CN109013859A - A kind of production technology of rechargeable battery nickel plated steel strip - Google Patents
A kind of production technology of rechargeable battery nickel plated steel strip Download PDFInfo
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- CN109013859A CN109013859A CN201810922546.0A CN201810922546A CN109013859A CN 109013859 A CN109013859 A CN 109013859A CN 201810922546 A CN201810922546 A CN 201810922546A CN 109013859 A CN109013859 A CN 109013859A
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- Prior art keywords
- steel strip
- nickel plated
- plated steel
- nickel
- rechargeable battery
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/02—Stabbing or piercing, e.g. for making sieves
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
Abstract
The invention discloses a kind of production technologies of rechargeable battery nickel plated steel strip, specific steps are as follows: using mild steel steel band as substrate, roll-in puncture is carried out to it, and electrolytic degreasing, pickling and activation processing are carried out to it, electroplating deposition is carried out later, then is placed it in vacuum drying oven, is heated by certain speed, and certain time is kept at a certain temperature, then Slow cooling.The technique makes the steel band of plane form 3 D stereo shape, to can improve the adhesion amount and adhesive strength for coating active material on single pole piece, and then improve battery capacity when as battery skeleton by puncturing processing；Simultaneously, utilize step and heat treatment special in the technique, promote the solid diffusion of steel strip substrate and nickel coating two-phase interface, form stronger Metal-metal bonded compound, to promote the corrosion resistance of nickel plated steel strip, in addition, the technique can also refine the crystal grain of steel strip substrate, the mechanical performance of nickel plated steel strip is further increased, and then promotes the durability of battery on the whole.
Description
Technical field
The invention belongs to battery material fields, are related to a kind for the treatment of process of battery pole plates material, and in particular to a kind of
The production technology of rechargeable battery nickel plated steel strip.
Background technique
Alkaline storage battery is a kind of battery that electrolyte is alkaline solution, with small in size, high mechanical strength, work
Voltage is steady, can be large current discharge, long service life and the features such as be suitable for carrying, is generally used for communication, electronic computer, small function
Rate electronic instrument etc. makees DC power supply, be also applied for change, distribution substation's relay protection, circuit-breaker switching on-off and signal circuit direct current
Power supply.
Alkaline storage battery usually using sodium hydroxide or potassium hydroxide solution as the electrolyte of battery, mainly have iron nickel,
Cadmium nickel, zinc-silver, cadmium silver, zinc-nickel storage battery etc., such as make positive electrode active materials with nickel oxide, make negative plates with iron, be called iron nickel
Battery；Such as make positive electrode active materials with nickel oxide, makees negative electrode active material with cadmium oxide, be called cadmium-nickel accumulator.Alkalinity stores
Battery is usually made of plastic shell, positive and negative anodes pole plate, diaphragm, top cover, vent plug cap and electrolyte etc., with lead-acid accumulator ratio
Compared with alkaline storage battery discharging voltage balance, small in size, the service life is long, high mechanical strength, easy to maintain, occupied area is small, currently
Gradually promoted the use of in the substation of Small And Medium Capacity.By taking cadmium-nickel accumulator as an example, the working principle of alkaline storage battery is: electric power storage
After charging, anode plate is nickel hydroxide to the active material of pond pole plate, and negative plates are cadmium metal；And when discharge off, just
Pole pole plate is changed into hickelous nydroxide, and negative plates are changed into cadmium hydroxide, electrolyte multiselect potassium hydroxide solution.
Now, positive and negative electrode material is to be filled on porous nickel plated steel strip respectively, then through slurry, rolling, sintering, chemical conversion
Or apply the methods of cream, drying, tabletting and pole plate is made, and traditional battery steel band processing is usually first punched out, then on it
Nickel Plating Treatment is carried out, and making positive and negative anodes pole plate is the work for filling and fixing positive and negative electrode material respectively on nickel plated steel strip
Property substance.In power battery, the superiority and inferiority of performance depends primarily on the superiority and inferiority of wherein energy storage material, and in alkaline storage battery,
Most important energy storage material is the positive and negative electrode active material filled on nickel plated steel strip, it is desirable that as much as possible attached thereon
The pole active material, and require the active material in nickel plated steel strip adhesive strength with higher, therefore, positive and negative anodes plate electrode
The earth affects the capacity of alkaline storage battery.Currently, advancing by leaps and bounds with the development of each electronic product, consumer is for its length
Continuation of the journey and the requirement of high quality are higher and higher, promote practitioner also more more and more urgent for production high capacity high durability battery,
Wish capacity and durability that battery is promoted from all directions.
Summary of the invention
(1) technical problems to be solved
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of production works of rechargeable battery nickel plated steel strip
Skill, the technique make the steel band of plane form 3 D stereo shape, to can mention when as battery skeleton by puncturing processing
The adhesion amount and adhesive strength of active material are coated on high single pole piece, and then improves battery capacity；Meanwhile utilizing the technique
In special step and heat treatment, promote the solid diffusion of steel strip substrate and nickel coating two-phase interface, form stronger metallic bond
Compound, in addition, the technique can also refine the crystal grain of steel strip substrate, further mentions to promote the corrosion resistance of nickel plated steel strip
The mechanical performance of high nickel plated steel strip, and then the durability of battery is promoted on the whole.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides the production works of such a rechargeable battery nickel plated steel strip
Skill, specific steps are as follows: using the mild steel steel band with a thickness of 0.05~0.2mm as substrate, recessed roll wheel using mutually matched
With it is convex roll wheel even roller carried out to mild steel steel band press to wear thorn, control the area of single puncturing hole as 0.04~0.08mm2, hole with
Fore-and-aft distance between hole is 0.4~0.9mm, and the lateral distance between Kong Yukong is 0.2~0.6mm, obtains puncturing steel band；So
Afterwards, electrolytic degreasing, pickling and activation processing are carried out to puncture steel band, and is 1.0~5.0 μm in its electroplating surface deposition thickness
Nickel coating obtains puncturing nickel plated steel strip；Later, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and mentioned it according to every 10 minutes
High 30 DEG C of speed is heated, and stops heating when temperature reaches 650~680 DEG C, and is kept for 2~3 hours at such a temperature,
500 DEG C are slowly cooled to furnace in a vacuum furnace again, then by air-cooled cooling 1 hour, then by cooling by water to room temperature, i.e.,
Obtain rechargeable battery nickel plated steel strip.
Preferably, control puncturing hole is rectangular；When puncturing hole is rectangular, steel band 3 D stereo shape can be made the most plentiful,
The adhesion amount and adhesive strength for coating active material on pole piece are promoted to the maximum extent, and then improve battery appearance to the maximum extent
Amount.
Preferably, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and according to the speed for making it improve 30 DEG C for every 10 minutes into
Row heating, stops heating when temperature reaches 665 DEG C, and is kept for 2.5 hours at such a temperature, then slow with furnace in a vacuum furnace
500 DEG C are cooled to, then by air-cooled cooling 1 hour, then by cooling by water to room temperature to get to rechargeable battery nickel-plated steel
Band；Heat treatment under the specific temperature can best optimize the institutional framework of two-phase interface, and refine the crystalline substance of steel strip substrate
Grain greatly promotes the corrosion resistance and every mechanical performance of nickel plated steel strip, promotes the durability of battery to the maximum extent.
(3) beneficial effect
Compared with prior art, the beneficial effects of the present invention are: firstly, the technique roll-in puncture by way of to low
Carbon steel steel band is handled, and the aperture on steel band is not only realized, but also does not cut off the spy of steel band itself using puncture processing
Property, protrusion is generated in steel strip surface side, the steel band of plane is made to form 3 D stereo shape, thus when as battery skeleton,
The adhesion amount and adhesive strength for coating active material on single pole piece can be improved, and then improves battery capacity；Secondly, by pair
The heating of nickel plated steel strip specific speed is punctured, and keeps the regular hour within specified temperatures, fills the solid of two-phase interface
Divide diffusion, then cooling by certain condition, to guarantee the steady of two-phase interface in the stronger Metal-metal bonded compound of two-phase interface
It is fixed, to promote the corrosion resistance of nickel plated steel strip, in addition, the technique can also refine the crystal grain of steel strip substrate, further increase plating
The mechanical performance of nickel steel band, and then the durability of battery is promoted on the whole；Finally, in conjunction with the material and thickness of steel strip substrate,
The distance between shape, area and the Kong Yukong punctured has been formulated breakthroughly, and has been matched with subsequent nickel plating and heat treatment,
To promote the adhesion property of nickel plated steel strip to the maximum extent, it is ensured that the capacity and durability of battery.
In general, which makes the steel band of plane form 3 D stereo shape, thus as electricity by puncturing processing
When the skeleton of pond, the adhesion amount and adhesive strength that active material is coated on single pole piece can be improved, and then improve battery capacity；Together
When, using step and heat treatment special in the technique, promote the solid diffusion of steel strip substrate and nickel coating two-phase interface, is formed
Stronger Metal-metal bonded compound, so that the corrosion resistance of nickel plated steel strip is promoted, in addition, the technique can also refine the crystalline substance of steel strip substrate
Grain, further increases the mechanical performance of nickel plated steel strip, and then promote the durability of battery on the whole.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below to this
Technical solution in invention specific embodiment carries out clear, complete description, with the present invention is further explained, it is clear that retouched
The specific embodiment stated is only a part of embodiment of the invention, rather than whole patterns.
Embodiment 1
The preparation process of this batch nickel plated steel strip, detailed process are as follows:
The mild steel steel band with a thickness of 0.05mm is used as substrate, using the mutually matched recessed wheel and the convex wheel that rolls of rolling to low
Carbon steel steel band carries out even roller and presses to wear thorn, the convex puncture portion for rolling wheel be it is rectangular, make the area 0.04mm of single puncturing hole2, make
Fore-and-aft distance between Kong Yukong is 0.4mm, makes the lateral distance 0.2mm between Kong Yukong, obtains puncturing steel band；Then,
Electrolytic degreasing, pickling and activation processing, and the nickel coating for being 1.0 μm in its electroplating surface deposition thickness are carried out to steel band is punctured,
It obtains puncturing nickel plated steel strip；Later, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and so that it is improved 30 DEG C according to every 10 minutes
Speed is heated, and stops heating when temperature reaches 650 DEG C, and is kept for 3 hours at such a temperature, then in a vacuum furnace with furnace
500 DEG C are slowly cooled to, then by air-cooled cooling 1 hour, then by cooling by water to room temperature to get to rechargeable battery
Nickel plated steel strip sample 1.
Embodiment 2
The preparation process of this batch nickel plated steel strip, detailed process are as follows:
The mild steel steel band with a thickness of 0.1mm is used as substrate, using the mutually matched recessed wheel and the convex wheel that rolls of rolling to low
Carbon steel steel band carries out even roller and presses to wear thorn, the convex puncture portion for rolling wheel be it is rectangular, make the area 0.0525mm of single puncturing hole2,
Make the fore-and-aft distance 0.7mm between Kong Yukong, make the lateral distance 0.5mm between Kong Yukong, obtains puncturing steel band；So
Afterwards, electrolytic degreasing, pickling and activation processing are carried out to puncture steel band, and the nickel for being 2.5 μm in its electroplating surface deposition thickness plates
Layer obtains puncturing nickel plated steel strip；Later, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and so that it is improved 30 according to every 10 minutes
DEG C speed heated, stop heating when temperature reaches 665 DEG C, and kept for 2.5 hours at such a temperature, then in vacuum drying oven
In with furnace slowly cool to 500 DEG C, then by air-cooled cooling 1 hour, then by cooling by water to room temperature to get to charging electricity
The nickel plated steel strip sample 2 in pond.
Embodiment 3
The preparation process of this batch nickel plated steel strip, detailed process are as follows:
The mild steel steel band with a thickness of 0.2mm is used as substrate, using the mutually matched recessed wheel and the convex wheel that rolls of rolling to low
Carbon steel steel band carries out even roller and presses to wear thorn, the convex puncture portion for rolling wheel be it is rectangular, make the area 0.08mm of single puncturing hole2, make
Fore-and-aft distance between Kong Yukong is 0.9mm, makes the lateral distance 0.6mm between Kong Yukong, obtains puncturing steel band；Then,
Electrolytic degreasing, pickling and activation processing, and the nickel coating for being 5.0 μm in its electroplating surface deposition thickness are carried out to steel band is punctured,
It obtains puncturing nickel plated steel strip；Later, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and so that it is improved 30 DEG C according to every 10 minutes
Speed is heated, and stops heating when temperature reaches 680 DEG C, and is kept for 2 hours at such a temperature, then in a vacuum furnace with furnace
500 DEG C are slowly cooled to, then by air-cooled cooling 1 hour, then by cooling by water to room temperature to get to rechargeable battery
Nickel plated steel strip sample 3.
Experimental Comparison and result:
The sample 1, sample 2, sample 3 of nickel plated steel strip, and the sample 4 that conventional process obtains now are now taken respectively, respectively
To these four nickel plated steel strips in the compactness of GB/T6461 substandard corrosion resistance and nickel coating, following result is obtained:
The corrosion resistance protection of nickel plated steel strip sample 1, sample 2, sample 3 is 8 grades, and the corrosion resistant of nickel plated steel strip sample 4
Corrosion protection is also 7 grades, and the corrosion resistance of the two comparison is suitable；
Nickel plated steel strip sample 1, sample 2, sample 3 the equal dense uniform of nickel coating, and the nickel coating of nickel plated steel strip sample 4
It is comparatively dense uniform, but occasionally have nibs, the compactness of the two comparison is without too big gap.
It takes the sample 1, sample 2, sample 3 of nickel plated steel strip respectively again, and produces to obtain with when technique by commonly using now
The sample of cadmium-nickel alkaline storage battery 1., sample 2., sample 3., and by commonly using now same produces to obtain cadmium with when technique
4. the sample of nickel alkaline battery, is accordingly tested and is compared to the capacitance of storage of these four cadmium-nickel alkaline storage batteries respectively,
Obtain following result:
Cadmium-nickel alkaline storage battery sample 1., sample 2., the average capacitance of storage of sample 3. be all larger than cadmium-nickel alkaline storage battery
4., the capacitance of storage of sample 1. is greater than 12% of sample 4. to sample, and the capacitance of storage of sample 2. is greater than 15% of sample 4., sample
3. capacitance of storage be greater than sample 4. 13%.
By comparative test, it is apparent that if other conditions are the same, preparing work using the technical program
The nickel plated steel strip of skill production produces the electricity of nickel plated steel strip preparation by the technical program compared with existing common nickel plated steel strip
Pond, battery capacity is considerably higher, moreover, the technique can promote the corrosion resistance of nickel plated steel strip, and refines the crystalline substance of steel strip substrate
Grain, further increases the mechanical performance of nickel plated steel strip, improves the durability of battery on the whole.
The foregoing describe technical characteristics of the invention and basic principle and associated advantages, for those skilled in the art
For, it is clear that the present invention is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from design of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Above-mentioned specific embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims and
It is not that above description limits, it is intended that all changes that come within the meaning and range of equivalency of the claims are included
In the present invention.
Although not each embodiment is only in addition, it should be understood that this specification is described according to each embodiment
It contains an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art answer
When considering the specification as a whole, the technical solution in each embodiment may also be suitably combined to form art technology
The other embodiments that personnel are understood that.
Claims (3)
1. a kind of production technology of rechargeable battery nickel plated steel strip, which is characterized in that specific steps are as follows: using with a thickness of 0.05~
The mild steel steel band of 0.2mm is as substrate, using the mutually matched recessed wheel and the convex wheel that rolls of rolling to mild steel steel band progress even roller
Thorn is pressed to wear, the area for controlling single puncturing hole is 0.04~0.08mm2, the fore-and-aft distance between Kong Yukong is 0.4~0.9mm,
Lateral distance between Kong Yukong is 0.2~0.6mm, obtains puncturing steel band；Then, electrolytic degreasing, acid are carried out to puncture steel band
It washes and is activated, and the nickel coating for being 1.0~5.0 μm in its electroplating surface deposition thickness, obtain puncturing nickel plated steel strip；It
Afterwards, nickel plated steel strip will be punctured to be placed in vacuum drying oven, and the speed for making it improve 30 DEG C according to every 10 minutes is heated, and temperature is worked as
Stop heating when reaching 650~680 DEG C, and is kept for 2~3 hours at such a temperature, then slowly cooled in a vacuum furnace with furnace
500 DEG C, then by air-cooled cooling 1 hour, then by cooling by water to room temperature to get to rechargeable battery nickel plated steel strip.
2. a kind of production technology of rechargeable battery nickel plated steel strip according to claim 1, which is characterized in that control punctures
Hole is rectangular.
3. a kind of production technology of rechargeable battery nickel plated steel strip according to claim 1, which is characterized in that plated puncturing
Nickel steel band is placed in vacuum drying oven, and the speed for making it improve 30 DEG C according to every 10 minutes is heated, when temperature reaches 665 DEG C
Stop heating, and kept for 2.5 hours at such a temperature, then slowly cool to 500 DEG C with furnace in a vacuum furnace, then by air-cooled
Cooling 1 hour, then by cooling by water to room temperature to get to rechargeable battery nickel plated steel strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810922546.0A CN109013859B (en) | 2018-08-14 | 2018-08-14 | Production process of nickel-plated steel strip for rechargeable battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810922546.0A CN109013859B (en) | 2018-08-14 | 2018-08-14 | Production process of nickel-plated steel strip for rechargeable battery |
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| CN109013859A true CN109013859A (en) | 2018-12-18 |
| CN109013859B CN109013859B (en) | 2020-01-07 |
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2018
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| CN1719644A (en) * | 2004-07-09 | 2006-01-11 | 常德力元新材料有限责任公司 | Punch steel band for battery polar plate and mfg. method thereof |
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