CN105586591A - Method for manufacturing porous steel belt coated with nickel - Google Patents
Method for manufacturing porous steel belt coated with nickel Download PDFInfo
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- CN105586591A CN105586591A CN201410566696.4A CN201410566696A CN105586591A CN 105586591 A CN105586591 A CN 105586591A CN 201410566696 A CN201410566696 A CN 201410566696A CN 105586591 A CN105586591 A CN 105586591A
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- nickel
- steel belt
- steel strip
- porous steel
- spraying
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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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- Cell Electrode Carriers And Collectors (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention provides a method for manufacturing a porous steel belt coated with nickel. A nickel coating with the thickness of 0.5 micrometer to 1.0 micrometer is firstly deposited on a perforated steel belt base material, then nickel powder with the grain size of 1 micrometer to 5 micrometers is sprayed to the surface of the steel belt coated with nickel, and a three-dimensional porous structure is formed; and finally, the porous steel belt coated with nickel of a composite structure is put into a thermal treatment furnace for high-temperature crystallization treatment. According to the porous steel belt coated with nickel manufactured through the process, the surface of the coating is coated with a nickel powder layer of a large-scale structure, the three-dimensional structure is formed on the surface of the porous steel belt, and therefore the specific area of the porous steel belt is effectively increased, the corrosion resisting performance and mechanical performance of the nickel coating are enhanced, and the battery slurry pull performance is improved.
Description
Technical field
The present invention relates to a kind of preparation method of sheet metal strip, particularly a kind of preparation method of nickel-coated porous steel strip.
Background technology
In order to meet the requirement of miniaturization, lighting and high performance of Ni-MH battery, setting about improving from the collector of battery is a highly effective method. Porous steel strip is high with intensity, the plate material of good toughness and advantage the is widely used in battery such as cost of manufacture is low. Existing perforation nickel plated steel strip is all to plate one deck nickel at surface of low-carbon steel in the mode of electroplating, and to play etch-proof function, but has very large technical barrier for the chemical property that meets battery, also is more difficult to reach some battery clients' requirement.
Summary of the invention
The present invention aims to provide a kind of better mechanical property, can effectively improve the preparation method as the nickel-coated porous steel strip of the slurry performance of battery afflux liquid.
Realize the present invention by following scheme:
Employing thickness is that 0.025～0.045mm, the aperture mild-carbon steel strip that is 0.5～1.5mm is as base material; the nickel coating that is 0.5～1.0 μ m at its surface deposition thickness; it is characterized in that: after the operation of nickel deposited; the nickel powder that is 1-5um at surface spraying particle diameter again; composite steel band is carried out to high temperature recrystallization again and process, high temperature recrystallization treatment conditions are, under protective atmosphere or vacuum environment; temperature is 600～750 DEG C, and the processing time is 6～10 hours.
After described deposited nickel layer step, perforated steel ribbon surface is adopted to plasma spray coating process, the nickel powder that spraying particle diameter is 1-5um, coating thickness is 5-10um.
Described nickel powder spraying coating process adopts plasma spraying, also can adopt electric arc spraying, the preferred plasma spraying of the present invention.
The parameter of described plasma spray coating process is, voltage 10-15Kv, electric current 120-150A, air pressure 0.3-0.6MPa.
Compared with prior art, advantage applies of the present invention in:
1, at material after the operation of nickel deposited, surface is covered and is carried the nickel powder of certain thickness large scale particle diameter, can not only effectively strengthen the adhesion between coating and matrix, can also effectively increase the specific area of material.
2, porous nickel plated steel strip surface is covered and is carried after nickel powder, by high temperature processings that be recrystallized, the overall corrosion resisting property of effective reinforcing material, the chemical property of lifting material.
Brief description of the drawings
The specific area comparison diagram of nickel-clad steel band prepared by Fig. 1: embodiment 1 and existing technique
Nickel-clad steel band decay resistance comparison diagram prepared by Fig. 2: embodiment 1 and existing technique
Wherein: in Fig. 1, A is the prepared nickel-clad steel band of existing method, and B is the prepared nickel-coated porous steel strip of the present embodiment, in Fig. 2, A is the prepared nickel-clad steel band of existing method, and B is the prepared nickel-coated porous steel strip of the present embodiment.
Detailed description of the invention
Embodiment 1
Employing thickness is 0.025mm, aperture is that the porous steel strip of 0.5mm is as base material, after electrochemical degreasing and acid-wash activation, enter electric deposition nickel operation, nickel plating solution adopts conventional watt system, nickel coating thickness is 0.5 μ m, after material after nickel plating is cleaned and is dried, utilize voltage for 10Kv, electric current 120A, the nickel powder that the plasma spray coating process of air pressure 0.3MPa is 1.0um at coating surface spraying one deck particle diameter, coating thickness is 5um, again this material is carried out to the heat treatment of high temperature recrystallization, heat-treat condition is: adopt hydrogen: the hybrid protection atmosphere that nitrogen is 3:1, under the condition of 600 DEG C, be incubated 10 hours, obtain nickel-coated porous steel strip.
The detection of respectively nickel-coated porous steel strip that adopts the present embodiment method to make and the prepared nickel-clad steel band of existing method being carried out, thickness of coating, base material specification are all identical, and its contrast testing result is respectively as shown in Figure 1 and Figure 2. As can be seen from the figure, under the condition of same matrix and thickness of coating, the material lift 15% that adopts the specific area of the prepared nickel-coated porous steel strip of the present embodiment method to prepare than existing technique, resistance to chemical corrosion promotes 30%.
Embodiment 2
Adopting thick is 0.035mm, and the porous steel strip that aperture is 1.2mm, as base material, after electrochemical degreasing and acid-wash activation, enters electro-deposition operation. Nickel plating solution adopts conventional watt system, nickel coating thickness is 0.8 μ m, after material after nickel plating is cleaned and is dried, utilize voltage for 13Kv, electric current 130A, the nickel powder that the plasma spray coating process of air pressure 0.5MPa is 3.0um at coating surface spraying one deck particle diameter, coating thickness is 8um, again this material is carried out to the heat treatment of high temperature recrystallization, heat-treat condition is: adopt hydrogen: the mixing reproducibility mixed atmosphere that nitrogen is 2:1, under the condition of 650 DEG C, be incubated 8 hours, obtain nickel-coated porous steel strip.
Embodiment 3
Adopting thick is 0.045mm, and the porous steel strip that aperture is 1.5mm, as base material, after electrochemical degreasing and acid-wash activation, enters electro-deposition operation. Nickel plating solution adopts conventional watt system, nickel coating thickness is 1.0 μ m, after material after nickel plating is cleaned and is dried, utilize voltage 15Kv, electric current 150A, the nickel powder that the plasma spray coating process of air pressure 0.6MPa is 5.0um at coating surface spraying one deck particle diameter, coating thickness is 10um, again this material is carried out to the heat treatment of high temperature recrystallization, heat-treat condition is: adopt hydrogen: the mixing reproducibility mixed atmosphere that nitrogen is 3:1, under the condition of 750 DEG C, be incubated 6 hours, and obtain nickel-coated porous steel strip.
Claims (4)
1. the preparation method of a nickel-coated porous steel strip; employing thickness is that 0.025～0.045mm, the aperture mild-carbon steel strip that is 0.5～1.5mm is as base material; the nickel coating that is 0.5～1.0 μ m at its surface deposition thickness; it is characterized in that: after the operation of nickel deposited; the nickel powder that is 1-5um at surface spraying particle diameter again; composite steel band being carried out to high temperature recrystallization processes again; high temperature recrystallization treatment conditions are; under protective atmosphere or vacuum environment; temperature is 600～750 DEG C, and the processing time is 6～10 hours.
2. the preparation method of nickel-coated porous steel strip as claimed in claim 1, is characterized in that: after described deposited nickel layer step, perforated steel ribbon surface is adopted to plasma spray coating process, and the nickel powder that spraying particle diameter is 1-5um, coating thickness is 5-10um.
3. the preparation method of nickel-coated porous steel strip as claimed in claim 1 or 2, is characterized in that: described nickel powder spraying coating process adopts plasma spraying, also can adopt electric arc spraying, the preferred plasma spraying of the present invention.
4. the preparation method of nickel-coated porous steel strip as claimed in claim 1 or 2, is characterized in that: described plasma spray coating process is, voltage 10-15Kv, electric current 120-150A, air pressure 0.3-0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566696.4A CN105586591A (en) | 2014-10-23 | 2014-10-23 | Method for manufacturing porous steel belt coated with nickel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566696.4A CN105586591A (en) | 2014-10-23 | 2014-10-23 | Method for manufacturing porous steel belt coated with nickel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105586591A true CN105586591A (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410566696.4A Pending CN105586591A (en) | 2014-10-23 | 2014-10-23 | Method for manufacturing porous steel belt coated with nickel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105586591A (en) |
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2014
- 2014-10-23 CN CN201410566696.4A patent/CN105586591A/en active Pending
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160518 |
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| WD01 | Invention patent application deemed withdrawn after publication |