CN201207404Y - Punched steel belt for pole plate of battery - Google Patents
Punched steel belt for pole plate of battery Download PDFInfo
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- CN201207404Y CN201207404Y CNU2008200688488U CN200820068848U CN201207404Y CN 201207404 Y CN201207404 Y CN 201207404Y CN U2008200688488 U CNU2008200688488 U CN U2008200688488U CN 200820068848 U CN200820068848 U CN 200820068848U CN 201207404 Y CN201207404 Y CN 201207404Y
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- pole plate
- steel band
- battery
- perforated steel
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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
Disclosed is a punch hole metal strip for battery plate, the punch holes is arranged on the metal strip surface and are in transversal and staggered arrangement; the transversal distance of the punch hole is between 1.0mm and 2.0mm, the longitudinal distance of the punched hole is between 0.5mm and 2.0mm, and the transversal distance is more than the longitudinal distance; a metal copper layer and a metal nickel layer are sequentially arranged on the steel strip from inside to outside. The utility model can solve the problems of restricting the battery plate manufacturing such as sheets breaking, powder dropping, burrs deformation, and nickel falling and the like.
Description
Technical field
The utility model relates to a kind of perforated steel band for battery pole plate.
Background technology
Energy crisis be 21st century the whole world pay close attention to problem, the new chemical energy is all being greatly developed in countries in the world.Last century the eighties, the Ni/MH battery is succeeded in developing in Japan, and it is big with energy density, charging times is many, memory effect is little, poisonous metal series of advantages such as mercurous cadmium not, is approved by market rapidly, obtain fast development, also be listed in the great high-tech brainstorm project of China " 95 ".Through research and development for many years, the Ni/MH battery has become the leading products of rechargeable battery market (particularly mobile phone market) at present, and at present, this new chemical energy strides forward to the vehicles, becomes the power of electric bicycle, electric automobile etc.
In the manufacturing process of battery, positive and negative electrode all adopts the metal substrate carrying active substance to manufacture, so the performance of battery basis material directly influences the performance of battery.From battery cost and battery performance take all factors into consideration, positive electrode substrate is that nickel foam and negative electrode substrate are industry optimal way commonly used for the nickel plating perforated steel ribbon.The U.S. is in " battery of a kind of hydrogen-bearing alloy electrode and this electrode of the use " (patent No.: disclosed the perforated metal band that is used to make battery pole plates US5527638A), this band is for having the long metal coil tape of perforation, wherein has a series of punched areas and without any the belt-like zone of boring a hole; Penetration hole diameter remains in the 1.0-2.5 millimeter scope, bores a hole to be circle, vertically, laterally be staggered; The thickness of perforated metal band is in 0.04 to 0.08 millimeter scope, and punching rate is in 35% to 61% scope.(patent No.: the vertical and longitudinal pitch that proposes perforation ZL98120285.3) is the 1.0-5.0 millimeter to Zhou Zhongbin etc. in its patent " perforated steel band for battery pole plate and production technology thereof and special equipment ", horizontal and horizontal spacing is the 1.0-5.0 millimeter, when piercing aperture is 1.5 millimeters, horizontal spacing is the 1.0-1.02 millimeter, longitudinal pitch is the 1.73-1.77 millimeter, and when piercing aperture was 1.7 millimeters, horizontal spacing was 1.15 millimeters, longitudinal pitch is 2.0 millimeters, and the perforation mouth has the burr hole.(patent No.: propose ZL00134512.5) that all limits, perforation hole are provided with burr on the steel band, burr is arranged in two sides of steel band respectively to Xu Kaihua etc., and the height of burr is the 0.5-5 millimeter in its patent " a kind of punched steel belt for power battery plate ".
Find through years of researches, the nickel plating perforated steel ribbon of Sheng Chaning according to the method described above, owing to horizontal spacing less than longitudinal pitch, battery producer during cupping transverse curl, is prone to the part phenomenon aborning, the rate that manufactures a finished product is low.Existing technology pursue high opening rate, though can fill active material like this, because the minimizing of carrier, the viscidity-applying property of active material reduces, and causes " dry linting " phenomenon, thereby reduces battery capacity and useful life more.The anchor clamps of the burr of nickel plating perforated steel ribbon controlled electrode thickness in the continuous course of processing etc. hinder and produce burr distortion and " band partially " phenomenon, thereby influences battery quality, and burr is long causes short circuit also may cause the battery making time.Direct plating one deck nickel on the perforated steel ribbon surface, owing to form a kind of iron nickel fragility phase in iron-nickel coating easily, therefore will reduce coating and high base strength, cause the nickel removal phenomenon, reduce the corrosion resistance of nickel plated steel strip, diminish the capacity and the useful life of battery.Perforated steel ribbon is in electroplating process, the part iron ion can be by electrolysis in electroplate liquid, cause that the electroplate liquid iron ion content exceeds standard, the industrial chemicals that adds in the electroplate liquid also contains certain impurity, can be dissolved in the plating bath and go, and plating bath does not purify for a long time, impurity content exceeding index, macula lutea, hickie phenomenon appear in the product surface of electroplating out, influence quality of coating, have a lot of weak points.
The utility model content
The utility model purpose is to provide a kind of perforated steel band for battery pole plate, to solve part, dry linting, burr distortion, the nickel removal problem that is produced in the production of restriction pole plate.
To achieve these goals, the utility model adopts following technical scheme: a kind of perforated steel band for battery pole plate, zone face is provided with perforation, perforation transversion malposition on the zone face is arranged, the lateral separation of perforation is that 1.0～2.0 millimeters, fore-and-aft distance are 0.5～2.0 millimeter, and horizontal spacing is greater than longitudinal pitch.
When piercing aperture was 1.0 millimeters, horizontal spacing was 1.20～1.30 millimeters, and longitudinal pitch is 0.6～0.7 millimeter.
When piercing aperture was 1.5 millimeters, horizontal spacing was 1.70～1.80 millimeters, and longitudinal pitch is 1.0～1.05 millimeters.
When piercing aperture was 1.7 millimeters, horizontal spacing was 1.95～2.0 millimeters, and longitudinal pitch is 1.10～1.15 millimeters.
Be electroplate with metal copper layer and metal nickel dam on the described steel band from inside to outside successively.
The thickness of described metal copper layer is 0.1～0.5 μ m, and the thickness of described metal nickel dam is 0.5～2 μ m.
The utility model compared with prior art has following advantage:
1, the perforated steel ribbon horizontal spacing is greater than longitudinal pitch, battery production producer in use, cupping transverse curl is not easy part, though percent opening has reduced, but easier sticking the applying on steel band of the active material of filling do not have " dry linting " phenomenon, and the burr that punching press is taken out of is in the hole is pushed go back in stepping, overcome steel band " partially band " and the long disadvantage that causes battery short circuit of Yin Maoci effectively, improved performances such as the qualification rate of battery and capacity, life-span.
2, because copper and iron have very high compatibility, the infinitely solid solution of copper and nickel, after adding plating layer of metal copper layer between perforated steel ribbon and the nickel coating, directly avoided the formation of iron nickel fragility phase, coating and high base strength have been guaranteed, effectively control the generation of nickel removal phenomenon, improved the product quality of nickel plating perforated steel ribbon.
3, the conductivity of metallic copper and chemical property are very excellent, and first plating layer of copper layer makes the electric conductivity of steel band also be improved on steel band.
4, the perforated steel ribbon after the plating is after Overheating Treatment, and nickel coating atom, copper coating atom and the counterdiffusion mutually of parent metal atom form diffuse layer structure, have improved the adhesion of coating, have disperseed corrosion current, make steel band have superior corrosion resistance.And steel band is after heat treatment, and hot strength, elongation all are better than former base band, easier curling in making cell process, and be difficult for part, improved battery capacity, useful life and chemical property.
Description of drawings
Fig. 1 is the structural representation of the utility model perforated steel ribbon;
Fig. 2 is the horizontal and vertical hole of a perforated steel ribbon pitch-row schematic diagram;
Fig. 3 is that perforated steel ribbon lists intention with the five metals mould towards faller gill;
Fig. 4 is that the extruding burr is with one group of stepping schematic diagram;
Fig. 5 is the utility model perforated steel ribbon coating schematic diagram;
Fig. 6 is the utility model electrolysis tank schematic diagram.
Embodiment
The utility model is specified as follows below in conjunction with accompanying drawing:
The rolling steel band is sent into common punch press, utilize conventional five metals mould, adopt the leapfrog mode to bore a hole, before and after the punch press auto-feeder and automatic material receiving device are arranged, be equipped with inductive switch, stepping, connecting rod, camshaft are installed on the punch press, be connected with the big flywheel of punch press, carry out synchronously, after the punching of steel band process particular manufacturing craft, inevitably jagged around the chadless mouth, take method with the stepping extruding, as shown in Figure 4, burr is pushed back in the hole, do not produce burr on the surface.Conventional five metals mould is housed on the punch press, mould is by descending mould bases, top mold frame, backboard, lower bolster, cope match-plate pattern, guide pillar, forming towards pin, resilience device etc., cope match-plate pattern and backboard are fixed, between backboard and cope match-plate pattern, be provided with the resilience device, with the spacing between adjustment screw stationary backplate and cope match-plate pattern, be fixed on the top mold frame, the resilience device adopts polyamine fat rubber to make again.Mould upper punch faller gill row transversion malposition is arranged, as shown in Figure 3, towards the pin diameter is 0.9～2.0 millimeter, horizontal spacing is 1.0-2.0 millimeters, longitudinal pitch is 0.5-2.0 millimeters, horizontal spacing is greater than longitudinal pitch, pin hole position on cope match-plate pattern, the lower bolster is corresponding, guiding is then utilized on four jiaos of cope match-plate patterns, lower bolster guide pillar is installed, and lower bolster is installed in down on the mould bases, and cope match-plate pattern act as the guiding pressing plate, be used for helping and do not rock towards pin, correctly enter the lower bolster pin hole, patrix did not break away from guide pillar and closely slided with hanging down the stroke punch press operating time.As shown in Figure 2, when piercing aperture 1 was 1.0 millimeters, horizontal spacing 2 was 1.30 millimeters, and longitudinal pitch 3 is 0.7 millimeter.When piercing aperture 1 was 1.5 millimeters, horizontal spacing 2 was 1.77 millimeters, and longitudinal pitch 3 is 1.02 millimeters.When piercing aperture 1 was 1.7 millimeters, horizontal spacing 2 was 2.0 millimeters, and longitudinal pitch 3 is 1.15 millimeters.
As Fig. 1 and shown in Figure 5, after the steel band perforation, adopt sodium carbonate, NaOH, trisodium phosphate solution that the lip-deep oil stain of perforated steel ribbon is cleaned up, adopt process uniformly-coating layer of metal copper layer 5 on perforated steel ribbon matrix 4 of conventional electro-coppering then, electroplate liquid is 10～20 milliliters/liter a copper-bath, and electroplating current is 2～7A/dm
2Temperature of electroplating solution is 55～60 degrees centigrade, when reaching 0.1-0.5 μ m Deng copper coating thickness, perforated steel ribbon leaves electrolytic copper plating solution, after the surface is washed with clear water, the process that adopts conventional electronickelling again is at metal copper layer surface uniformly-coating layer of metal nickel dam 6, and electroplate liquid is 20～30 milliliters/liter a nickel sulfate solution, and electroplating current is 2～7A/dm
2Temperature of electroplating solution is 55～60 degrees centigrade; when treating that nickel coating thickness reaches 0.5-2 μ m; perforated steel ribbon after electroplating is left electronickelling liquid; after rinse well with clear water on the surface; dry through the baking oven high-temperature baking; oven temperature is controlled at 200～400 degrees centigrade, and at this moment, electroplating technology is all finished; afterwards the perforated steel ribbon after electroplating is heat-treated; heat treatment temperature is controlled at 400～700 ℃, and constant temperature time was controlled at 1～4 hour, used argon shield in heat treatment process; pressure is controlled at 0.04～0.1 atmospheric pressure, cools off with stove then.
As shown in Figure 6, at the small-sized auxiliary tank of the other installation of electroplating bath, the groove inner cathode is hung electrolytic zinc-coated steel sheet, and circulating pump, dynamic electrolytic power supply, ultrasonic stirring instrument are installed on auxiliary tank, has spout hole 8.At the other small-sized auxiliary tank of PVC material of using of electroplating bath, circulating pump, dynamic electrolytic power supply are installed, the groove below has overfall, and groove inner cathode 7 is hung the nickel plate, requires the nickel plate to make concavo-convex surface (as tile distracted shape).The circulation that circulating pump can make electroplate liquid not stop between electroplating bath and auxiliary tank, reach and in the work of plating, carry out the purpose that plating bath purifies, the dynamic electrolytic power supply can provide seasonal power for electrolyte, power is 5000W, output current is 0～300A, electric current (decline) cycle of rising is 5～15 minutes, minus plate mainly is to adhere to the impurity that electrolysis goes out, the ultrasonic stirring instrument is used for stirring electroplate liquid in electrolytic process, the accelerating impurity motion, the touch opportunity of it and electrode is increased, improve treatment effect.Concrete technical scheme is: at first will need the plating bath of electrolytic treatments to be pumped in the auxiliary tank from electroplating bath with circulating pump, stir plating bath with the ultrasonic stirring instrument, open electrolysis power, current density is risen gradually by every square decimeter 0.1～0.5 peace, and then by every square decimeter 0.5～0.1 peace decline gradually, with this cycling, the metal impurities ion of different potentials in the plating bath is deposited at pole plate, plating bath after the electrolysis is flowed in the electroplating bath by the overfall 8 of auxiliary tank below, reaches to carry out the purpose that plating bath purifies in the work of plating.Because the time of electrolytic treatments is generally all long, in long electrolytic process, may produce loose deposit on the nickel plate that negative electrode 7 is hung, coming off of it can be stain plating bath again, so after electrolysis a period of time, negative electrode 7 should be taken out and scrub, continue electrolysis again after loose on the negative electrode 7 or bad deposit are brushed away.
Electrolysis installation can make plating and electrolytic treatments carry out simultaneously, needn't stop to produce.Electroplate liquid is through behind the electrolytic cleaning, and metal impurities ions such as iron, aluminium deposit on pole plate, thereby guarantee that plating bath not by impurity contamination, improves the quality of coating of electroplated product effectively.
Claims (6)
1, a kind of perforated steel band for battery pole plate, zone face is provided with perforation, it is characterized in that: perforation transversion malposition on the zone face is arranged, and the lateral separation of perforation is that 1.0～2.0 millimeters, fore-and-aft distance are 0.5～2.0 millimeter, and horizontal spacing is greater than longitudinal pitch.
2, a kind of perforated steel band for battery pole plate according to claim 1 is characterized in that: when piercing aperture was 1.0 millimeters, horizontal spacing was 1.20～1.30 millimeters, and longitudinal pitch is 0.6～0.7 millimeter.
3, a kind of perforated steel band for battery pole plate according to claim 1 is characterized in that: when piercing aperture was 1.5 millimeters, horizontal spacing was 1.70～1.80 millimeters, and longitudinal pitch is 1.0～1.05 millimeters.
4, a kind of perforated steel band for battery pole plate according to claim 1 is characterized in that: when piercing aperture was 1.7 millimeters, horizontal spacing was 1.95～2.0 millimeters, and longitudinal pitch is 1.10～1.15 millimeters.
5, according to arbitrary described a kind of perforated steel band for battery pole plate of claim 1-4, it is characterized in that: be electroplate with metal copper layer and metal nickel dam on the described steel band from inside to outside successively.
6, a kind of perforated steel band for battery pole plate according to claim 5 is characterized in that: the thickness of described metal copper layer is 0.1～0.5 μ m, and the thickness of described metal nickel dam is 0.5～2 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200688488U CN201207404Y (en) | 2008-01-08 | 2008-01-08 | Punched steel belt for pole plate of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200688488U CN201207404Y (en) | 2008-01-08 | 2008-01-08 | Punched steel belt for pole plate of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201207404Y true CN201207404Y (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200688488U Expired - Fee Related CN201207404Y (en) | 2008-01-08 | 2008-01-08 | Punched steel belt for pole plate of battery |
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| Country | Link |
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| CN (1) | CN201207404Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870374A (en) * | 2016-05-31 | 2016-08-17 | 河南省恒明风云电源有限公司 | Nickel-plated perforated steel belt for packet type alkaline storage battery |
-
2008
- 2008-01-08 CN CNU2008200688488U patent/CN201207404Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870374A (en) * | 2016-05-31 | 2016-08-17 | 河南省恒明风云电源有限公司 | Nickel-plated perforated steel belt for packet type alkaline storage battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20150108 |
|
| EXPY | Termination of patent right or utility model |