CN1719644A - Punch steel band for battery polar plate and mfg. method thereof - Google Patents
Punch steel band for battery polar plate and mfg. method thereof Download PDFInfo
- Publication number
- CN1719644A CN1719644A CNA2004100450103A CN200410045010A CN1719644A CN 1719644 A CN1719644 A CN 1719644A CN A2004100450103 A CNA2004100450103 A CN A2004100450103A CN 200410045010 A CN200410045010 A CN 200410045010A CN 1719644 A CN1719644 A CN 1719644A
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- perforated steel
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- copper layer
- nickel
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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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Abstract
This invention discloses a punch steel tape used in battery pole plates including a stainless steel tape matrix with a Ni layer on it and a Cu layer between to form a structure of matrix-Cu layer-Ni layer, the thickness of the Cu is 0.5~1.2mum and the Ni layer is 2~4mum. The manufacturing method includes: a, applying a normal electro-coppering to plate a Cu layer on the punch steel tape, in which, the plating solution is a copper sulfate solution of 10~20mol/L, the current density is 2-TA/sq m, b, taking the steel tape out of the copper solution to clean it properly on the surface then applying an ordinary nickel-plating method to electroplate a layer of nickel uniformly on the copper plated layer, the solution is a nickel sulfate solution of 20~30mol/L and the density is 2-7A/sq dm.
Description
Technical field
The present invention relates to a kind of battery electrode and manufacture method thereof, further be meant a kind of perforated steel ribbon and manufacture method thereof.
Background technology
Perforated steel ribbon is low and be widely used in the material of battery pole plates with its intensity height, good toughness and cost of manufacture.Metallic nickel is the non-ferrous metal of a kind of conductivity and chemical property excellence, therefore for improving conductivity, cementability and the chemical property of perforated steel ribbon, usually at steel strip surface plating layer of metal nickel.Patent " anticorrosive nickel-clad steel plate or steel band and method for making thereof (patent No.: the method that discloses plated nickel on steel plate or steel band CN93107442); but this patented method and prior art are owing to be confined to directly at perforated steel ribbon electroplating surface metal nickel; by the Fe-Ni phasor as can be known; form a kind of iron nickel fragility phase easily in the prepared Fe-Ni coating of traditional handicraft; therefore will reduce the corrosion resistance of coating and high base strength and nickel plated steel strip; when the perforated steel ribbon for preparing with this kind method is used to make battery, impair the capacity and the useful life of battery.
Summary of the invention
Technical problem to be solved by this invention is, thereby a kind of coating and high base strength raising battery capacity and the perforated steel ribbon in useful life and manufacture method thereof improved is provided.
One of the technical solution adopted in the present invention is, the structure of described perforated steel band for battery pole plate is, it has stainless steel perforated steel ribbon matrix, its design feature is, on described stainless steel perforated steel ribbon matrix, the metal nickel dam is arranged, between stainless steel perforated steel ribbon matrix and nickel coating, also have metal copper layer, form the structure of matrix-metal copper layer-metal nickel dam.
Two of the technical solution adopted in the present invention is that the processing step of the manufacture method of described perforated steel band for battery pole plate is:
1, adopt process uniformly-coating layer of metal copper layer 2 on stainless steel perforated steel ribbon matrix 1 of conventional electro-coppering, electroplate liquid is the copper-bath of 10～20mol/L, and electroplating current density is 2～7A/dm
2, the electroplating bath solution temperature is 55～60 ℃, metal copper layer 2 thickness reach 0.5～1.2 μ m;
2, steel strip substrate 1 leaves electrolytic copper plating solution, and after suitable surface cleaning processing, the process that adopts conventional electric nickel is at metal copper layer 2 surperficial uniformly-coating metal nickel dams 3, and electroplate liquid is the nickel sulfate solution of 20～30mol/L, and electroplating current density is 2～7A/dm
2, the nickel plating temperature is 55～60 ℃, when metal nickel dam 3 thickness are 2～4 μ m, finishes electroplating technology.
Below make and further specifying.
The structure of perforated steel band for battery pole plate of the present invention is, it has stainless steel perforated steel ribbon matrix 1, its design feature is, on described stainless steel perforated steel ribbon matrix 1, metal nickel dam 3 is arranged, between stainless steel perforated steel ribbon matrix 1 and metal nickel dam 3, also have metal copper layer 2, form the structure of matrix-metal copper layer-metal nickel dam.The thickness of metal copper layer can be to be 0.5～1.2 μ m, and the thickness of metal nickel dam can be 2～4 μ m.
In the technology of the present invention, at above-mentioned processing step (1-2) afterwards, for further improving the performance of described perforated steel ribbon, can handle the perforated steel ribbon diffusion annealing process, annealing temperature is controlled at 450～650 ℃, and temperature retention time is controlled at 30～60min, and atmosphere is purity nitrogen, pressure is an atmospheric pressure, cools off with stove with the speed of 20～50 ℃/min then.
Technological principle of the present invention and technique effect have:
1. because copper and iron have very high compatibility, the infinitely solid solution of copper and nickel behind plating layer of metal copper between perforated steel ribbon and the metal nickel dam, has directly been avoided the formation of iron nickel fragility phase, guarantee coating and high base strength, improved the product quality of compound plating perforated steel ribbon.
2. the perforated steel ribbon after electroplating copper and mickel after diffusion annealing is handled, has formed several new interfaces again on the interface of matrix and nickel dam, has improved the resist chemical performance of nickel plated steel strip effectively.
3. because the conductivity of metallic copper and chemical property are very excellent, there is the good copper layer of one deck conductivity, makes the electric conductivity of steel band also be improved.
4. prepared compound plating perforated steel ribbon can directly apply to the pole plate of secondary cells such as ni-mh, has improved battery capacity, useful life and chemical property, has reduced the cost of high-quality nickel plating perforated steel ribbon.
As known from the above, the present invention is a kind of perforated steel band for battery pole plate and manufacture method thereof, it has guaranteed coating and high base strength, improved the product quality of compound plating perforated steel ribbon, the electric conductivity of steel band is improved, improve battery capacity, useful life and chemical property, reduced the cost of high-quality nickel plating perforated steel ribbon.
Description of drawings
Fig. 1 is the sectional structure chart of steel band of the present invention.Wherein: the banded stainless steel base of 1--; The 2--metal copper layer; 3--metal nickel dam.
Embodiment
Embodiment 1: at first adopt process uniformly-coating layer of metal copper layer on the stainless steel perforated steel ribbon of conventional electro-coppering, electroplate liquid is the copper-bath of 15mol/L, and electroplating current density is 4～6A/dm
2The electroplating bath solution temperature is 55 ℃～60 ℃, when treating that metal copper layer thickness reaches 0.5 μ m, described steel band leaves electrolytic copper plating solution, after suitable surface cleaning processing, the process that adopts conventional electric nickel again is at copper coating surface uniformly-coating metal nickel dam, and electroplate liquid is the nickel sulfate solution of 24～26mol/L, and electroplating current density is 4～5A/dm
2, the nickel plating temperature is 55 ℃～60 ℃, when the metallic nickel layer thickness is 2 μ m, finishes electroplating technology.
What adopt above-mentioned prepared is: the metal copper layer of 0.5 μ m is arranged on steel matrix, the perforated steel ribbon of the thick metal nickel dam of 2 μ m is arranged on metal copper layer again.
Embodiment 2: adopt the same process of embodiment 1 to electroplate, metal copper layer thickness is 1 μ m, the metallic nickel layer thickness is 4 μ m, and after electroplating, the perforated steel ribbon diffusion annealing process is handled, annealing temperature is controlled at 600～650 ℃, and temperature retention time is controlled at 50～60min, and atmosphere is purity nitrogen, pressure is an atmospheric pressure, cools off with stove with the speed of 20 ℃/min then.
What adopt above-mentioned prepared is the metal copper layer that 1 μ m is arranged on steel strip substrate, and the perforated steel ribbon of the thick metal nickel dam of 4 μ m is arranged on metal copper layer again.
Embodiment 3: adopt the same process as embodiment 2, copper coating thickness is 1.2 μ m, and nickel coating thickness is 2.5 μ m, and annealing temperature is controlled at 450～500 ℃, and temperature retention time is controlled at 35～45min, cools off with stove with the speed of 40 ℃/min.
Obtained having the metal copper layer of 1.2 μ m thus, the perforated steel ribbon of the thick metal nickel dam of 2.5 μ m has been arranged on metal copper layer again.
Embodiment 4: adopt the same process as embodiment 2, just copper coating thickness is 0.8 μ m, and nickel coating thickness is 3 μ m, and annealing temperature is controlled at 500～550 ℃, and temperature retention time is controlled at 40～45min, cools off with stove with the speed of 50 ℃/min.
Prepared the metal copper layer that 0.8 μ m is arranged thus, the perforated steel ribbon of the thick metal nickel dam of 3 μ m has been arranged on metal copper layer again.
Claims (5)
1, a kind of perforated steel band for battery pole plate, it has stainless steel perforated steel ribbon matrix 1, its design feature is, metal nickel dam (3) is arranged on described stainless steel perforated steel ribbon matrix (1), between stainless steel perforated steel ribbon matrix (1) and metal nickel dam (3), also have metal copper layer (2), form the structure of matrix-metal copper layer-metal nickel dam.
2, perforated steel band for battery pole plate according to claim 1 is characterized in that, the thickness of described metal copper layer (2) is to be 0.5～1.2 μ m.
3, perforated steel band for battery pole plate according to claim 1 is characterized in that, the thickness of described metal nickel dam (3) is 2～4 μ m.
4, a kind of manufacture method of perforated steel band for battery pole plate is characterized in that, its processing step is:
(1), adopt the process of conventional electro-coppering to go up uniformly-coating layer of metal copper layer (2) at stainless steel perforated steel ribbon matrix (1), electroplate liquid is the copper-bath of 10～20mol/L, electroplating current density is 2～7A/dm
2, the electroplating bath solution temperature is 55～60 ℃, metal copper layer (2) thickness reaches 0.5～1.2 μ m;
(2), steel strip substrate (1) leaves electrolytic copper plating solution, after suitable surface cleaning processing, the process that adopts conventional electric nickel is at metal copper layer (2) surperficial uniformly-coating metal nickel dam (3), and electroplate liquid is the nickel sulfate solution of 20～30mol/L, and electroplating current density is 2～7A/dm
2, the nickel plating temperature is 55～60 ℃, when metal nickel dam (3) thickness is 2～4 μ m, finishes electroplating technology.
5, the manufacture method of perforated steel band for battery pole plate according to claim 4, it is characterized in that, the perforated steel ribbon diffusion annealing process is handled, annealing temperature is controlled at 450～650 ℃, temperature retention time is controlled at 30～60min, atmosphere is purity nitrogen, and pressure is an atmospheric pressure, cools off with stove with the speed of 20～50 ℃/min then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100450103A CN1719644A (en) | 2004-07-09 | 2004-07-09 | Punch steel band for battery polar plate and mfg. method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100450103A CN1719644A (en) | 2004-07-09 | 2004-07-09 | Punch steel band for battery polar plate and mfg. method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1719644A true CN1719644A (en) | 2006-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100450103A Pending CN1719644A (en) | 2004-07-09 | 2004-07-09 | Punch steel band for battery polar plate and mfg. method thereof |
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| Country | Link |
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| CN (1) | CN1719644A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659374A (en) * | 2015-02-09 | 2015-05-27 | 常德力元新材料有限责任公司 | Nickel-plated steel band and preparation method thereof |
| CN105506698A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Electroplating piece with nickel coating on surface |
| CN109013859A (en) * | 2018-08-14 | 2018-12-18 | 赣州市中金高能电池材料有限公司 | A kind of production technology of rechargeable battery nickel plated steel strip |
| CN109301094A (en) * | 2017-07-25 | 2019-02-01 | 宁波堇山新材料有限公司 | A kind of plating Ni steel band uses the preparation method of the battery steel shell of the steel band and the steel shell |
-
2004
- 2004-07-09 CN CNA2004100450103A patent/CN1719644A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659374A (en) * | 2015-02-09 | 2015-05-27 | 常德力元新材料有限责任公司 | Nickel-plated steel band and preparation method thereof |
| CN105506698A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Electroplating piece with nickel coating on surface |
| CN109301094A (en) * | 2017-07-25 | 2019-02-01 | 宁波堇山新材料有限公司 | A kind of plating Ni steel band uses the preparation method of the battery steel shell of the steel band and the steel shell |
| CN109301094B (en) * | 2017-07-25 | 2024-05-31 | 宁波堇山新材料有限公司 | Ni-plated steel strip, battery steel shell using same and preparation method of steel shell |
| CN109013859A (en) * | 2018-08-14 | 2018-12-18 | 赣州市中金高能电池材料有限公司 | A kind of production technology of rechargeable battery nickel plated steel strip |
| CN109013859B (en) * | 2018-08-14 | 2020-01-07 | 赣州市中金高能电池材料股份有限公司 | Production process of nickel-plated steel strip for rechargeable battery |
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