CN1688039A - Environment protection type battery zinc tank and preparing process thereof - Google Patents
Environment protection type battery zinc tank and preparing process thereof Download PDFInfo
- Publication number
- CN1688039A CN1688039A CNA2005100343727A CN200510034372A CN1688039A CN 1688039 A CN1688039 A CN 1688039A CN A2005100343727 A CNA2005100343727 A CN A2005100343727A CN 200510034372 A CN200510034372 A CN 200510034372A CN 1688039 A CN1688039 A CN 1688039A
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- zinc
- environment protection
- type battery
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- containing alloy
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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 an environmental protection battery Zn tank not containing random volume Pb and keeping the process property, mechanical strength and the corrosion resistance of the original battery Zn tank containing Pb composed of a zinc-base alloy containing Al:0.002wt% but not containing non-random volume impurities such as Cd, Pb Fe or Cu.
Description
Technical field
The invention belongs to the technical field of environment protection type battery, especially relate to a kind of harmful substance that does not contain non-accidental amount such as cadmium, plumbous zinc can.
Background technology
Dry cell is safe and convenient to use, and is cheap, be to use at present the widest, a kind of battery of output maximum, its negative pole jar typically uses zinc can, its manufacturing process generally includes following operation:
(1), in pure zinc, add an amount of cadmium lead metal, it is dissolved, form zinc-containing alloy;
(2), zinc-base solution flows in the continuous casting machine with certain speed casting and cooling, obtains continuous as cast condition zinc band;
(3), the zinc band is rolling through roller mill continuously, obtains the zinc plate roller or the zinc metal sheet of predetermined thickness;
(4), zinc plate roller or zinc metal sheet with hot or cold conditions is die-cut, obtain circular or hexagonal zinc cake on cake-punching machine;
(5), on stamping machine, the zinc cake is drawn into whole zinc can.
This shows, zinc can is in manufacture process, requirement has good plastic working, suitable mechanical strength, and zinc can is not only the container of battery in battery, is again the active material of electrode reaction, consumption zinc that in use can be gradually, between storage period, zinc can also can produce from corrosion, causes capacity to reduce, and can bore a hole when serious.In order to address the above problem, usually plumbous with cadmium and zinc as essential element, generally speaking, leaded 0.4～0.8% in the zinc can, contain cadmium 0.035～0.06%, wherein add cadmium and can improve hydrogen at the zincode deposition potential, reduce zincode from solubility, make the grain refinement of zinc and evenly, improve the zinc surface inhomogeneity, improve the tensile strength and the yield strength of zinc; Add the plumbous ductility that can improve zinc, solid-state when mobile when in extruding, producing metal, play the metal inside lubrication, can reduce separating out of zincode hydrogen simultaneously, improve corrosion resistance.
But the cadmium in the adding zinc can, plumbous can causing quite environment seriously influence, and the health of the entail dangers to person.In today that environmental protection consciousness strengthens day by day, do not use the cry of cadmium, lead more and more higher when making dry cell yet, particularly in American-European countries, clearly propose after 2006, not reimportation leaded dry cell, so the research of lead-free battery is extremely urgent.
Summary of the invention
The purpose of this invention is to provide a kind of environment protection type battery zinc tank that does not contain the plumbous of non-accidental amount and can keep processing characteristics, mechanical strength and the corrosion resistance of original leaded battery zinc tank.
Another object of the present invention provides a kind of method for preparing described environment protection type battery zinc tank.
Technical solution of the present invention is: a kind of environment protection type battery zinc tank, and it is by containing 0.002wt% aluminium, but the zinc-containing alloy that does not contain the impurity of non-accidental amount such as cadmium, lead, iron, copper constitutes.
Contain 0.001wt% magnesium in the described zinc-containing alloy.
In the accidental amount impurity in the described zinc-containing alloy, cadmium≤0.002wt%, lead≤0.004wt%.
Accidental amount impurity iron≤0.003wt% in the described zinc-containing alloy.
Accidental amount impurity copper≤0.001wt% in the described zinc-containing alloy.
Aluminium can replace plumbous a part of effect, and magnesium can slow down the self-dissolving of battery anode in the long term storage process, alleviates the self discharge effect of zinc, and increases the mechanical strength of zinc can.
A kind of method for preparing described a kind of environment protection type battery zinc tank comprises following operation:
(1), in pure zinc, add the aluminium of 0.002wt%, it is dissolved, form zinc-containing alloy;
(2), zinc-base solution flows in the continuous casting machine with certain speed casting and cooling, obtains continuous as cast condition zinc band;
(3), the zinc band is rolling through roller mill continuously, obtains the zinc plate roller or the zinc metal sheet of predetermined thickness;
(4), zinc plate roller or zinc metal sheet with hot or cold conditions is die-cut, obtain circular or hexagonal zinc cake on cake-punching machine;
(5), the zinc cake being placed furnace temperature is that constant temperature takes out after 8 hours and naturally cools to normal temperature in 150 ℃ the heating furnace.
(6), on stamping machine, the zinc cake is drawn into whole zinc can.
By the zinc cake is heat-treated, eliminate its surperficial stress, thereby increase its whole uniform elongation, the rate of finished products when having guaranteed to stretch.This method is to replace the new breakthrough of lead in the effect of battery.
Environment-friendly battery zinc can of the present invention; harmful substances such as not leaded, cadmium, mercury; old and useless battery after the use can not produce pollution to environment, meets the requirement of modern environment protection, has also kept processing characteristics, mechanical strength and the corrosion resistance of original leaded battery zinc tank simultaneously.
Embodiment
Below in conjunction with specific embodiment the present invention is further described:
Embodiment: a kind of preparation method of environment protection type battery zinc tank comprises following operation:
(1), get the raw material spelter, the impurity iron that wherein contains accidental amount is 0.003wt%, copper is 0.001wt%, cadmium is 0.002wt%, and lead is 0.004wt%, and all the other are zinc, the aluminium and the 0.001wt% magnesium that add 0.002wt% therein place the crucible heating to dissolve, and form zinc-containing alloy;
(2), zinc-base solution water conservancy diversion is flowed in the continuous casting machine, speed casting and cooling with routine obtain continuous as cast condition zinc band;
(3), continuous zinc band is rolling through duo mill, obtain the zinc plate roller of predetermined thickness;
(4), zinc plate roller is carried out hot die-cut on cake-punching machine, obtain circular zinc cake;
(5), the zinc cake being placed furnace temperature is that constant temperature takes out after 8 hours and naturally cools to normal temperature in 150 ℃ the heating furnace.
(6), on stamping machine, the zinc cake is drawn into whole zinc can, its rate of finished products is 99.5%.
Claims (6)
1, a kind of environment protection type battery zinc tank, it is by containing 0.002wt% aluminium, but the zinc-containing alloy that does not contain the impurity of non-accidental amount such as cadmium, lead, iron, copper constitutes.
2, a kind of environment protection type battery zinc tank according to claim 1 is characterized in that: contain 0.001wt% magnesium in the described zinc-containing alloy.
3, a kind of environment protection type battery zinc tank according to claim 1 and 2 is characterized in that: in the accidental amount impurity in the described zinc-containing alloy, and cadmium≤0.002wt%, lead≤0.004wt%.
4, a kind of environment protection type battery zinc tank according to claim 3 is characterized in that: the accidental amount impurity iron≤0.003wt% in the described zinc-containing alloy.
5, a kind of environment protection type battery zinc tank according to claim 4 is characterized in that: the accidental amount impurity copper≤0.001wt% in the described zinc-containing alloy.
6, a kind of method for preparing the described a kind of environment protection type battery zinc tank of claim 1 comprises following operation:
(1), in pure zinc, add the aluminium of 0.002wt%, it is dissolved, form zinc-containing alloy;
(2), zinc-base solution flows in the continuous casting machine with certain speed casting and cooling, obtains continuous as cast condition zinc band;
(3), the zinc band is rolling through roller mill continuously, obtains the zinc plate roller or the zinc metal sheet of predetermined thickness;
(4), zinc plate roller or zinc metal sheet with hot or cold conditions is die-cut, obtain circular or hexagonal zinc cake on cake-punching machine;
(5), the zinc cake being placed furnace temperature is that constant temperature takes out after 8 hours and naturally cools to normal temperature in 150 ℃ the heating furnace.
(6), on stamping machine, the zinc cake is drawn into whole zinc can.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100343727A CN1688039A (en) | 2005-04-26 | 2005-04-26 | Environment protection type battery zinc tank and preparing process thereof |
| CNB2006100759262A CN100490216C (en) | 2005-04-26 | 2006-04-24 | Cell zinc tank preparing method |
| US11/887,690 US20090162752A1 (en) | 2005-04-26 | 2006-04-25 | Zinc Can of Environmental Protection Type for Battery and Manufacture Method Thereof |
| PCT/CN2006/000787 WO2006125364A1 (en) | 2005-04-26 | 2006-04-25 | Environmental protection zinc pot for battery, and manufacture methode of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100343727A CN1688039A (en) | 2005-04-26 | 2005-04-26 | Environment protection type battery zinc tank and preparing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1688039A true CN1688039A (en) | 2005-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100343727A Pending CN1688039A (en) | 2005-04-26 | 2005-04-26 | Environment protection type battery zinc tank and preparing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1688039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347469A (en) * | 2010-07-29 | 2012-02-08 | 宁波光华电池有限公司 | Sheet zinc anode, preparation method thereof and laminated zinc-manganese battery using sheet zinc anode |
-
2005
- 2005-04-26 CN CNA2005100343727A patent/CN1688039A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347469A (en) * | 2010-07-29 | 2012-02-08 | 宁波光华电池有限公司 | Sheet zinc anode, preparation method thereof and laminated zinc-manganese battery using sheet zinc anode |
| CN102347469B (en) * | 2010-07-29 | 2013-12-11 | 宁波光华电池有限公司 | Sheet zinc anode, preparation method thereof and laminated zinc-manganese battery using sheet zinc anode |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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