CN1106050C - Manufacture of electrically deposited cadmium electrode - Google Patents
Manufacture of electrically deposited cadmium electrode Download PDFInfo
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- CN1106050C CN1106050C CN99120947A CN99120947A CN1106050C CN 1106050 C CN1106050 C CN 1106050C CN 99120947 A CN99120947 A CN 99120947A CN 99120947 A CN99120947 A CN 99120947A CN 1106050 C CN1106050 C CN 1106050C
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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
The present invention relates to a method for manufacturing electrically deposited cadmium electrodes of cadmium-nickel alkaline storage batteries, which is characterized in that the method comprises the following steps: unreeling, electrodepositing cadmium, primary rolling, primary drying, soaking in nickel sulfate solutions, secondary drying, secondary rolling, winding, etc. The method is adopted, technological processes are simplified, and only one automatic continuous device is needed from batch charging to product finishing. The produced electrode products have the advantage of good combination performance and integrate the advantages of a plurality of existing methods for manufacturing the cadmium electrodes.
Description
Technical field
The present invention relates to a kind of on carrier the manufacture method of the cadmium-nickel alkaline storage battery electrode of electro-deposition active material, be particularly related to a kind of manufacture of electrically deposited cadmium electrode, the cadmium electrode of making can be used for also can be used as the negative electrode of other cadmium-nickel alkaline storage battery in ni-cd sealed cylindrical alkaline storage battery and the cadmium nickel square aperture alkaline battery.
Background technology
Cadmium-nickel alkaline storage battery is most important one a big series in the alkaline battery, and output is big, is widely used.In the prior art, the manufacture method of nickel-cadmium alkaline battery cadmium electrode is more, and pocket type cadmium electrode, sintered cadmium electrode, draw-dried cadmium electrode and foaming type cadmium electrode etc. are generally arranged, and these cadmium electrodes are each has something to recommend him; (1) the pocket type cadmium electrode has minimum material consumption cost, but heavy-current discharge and cryogenic property are relatively poor; (2) the sintered cadmium electrode has heavy-current discharge and the good characteristics of low temperature performance, but its material consumption cost is the highest; (3) heavy-current discharge performance of draw-dried cadmium electrode is higher than the pocket type cadmium electrode but is lower than the sintered cadmium electrode, and its material consumption cost is significantly less than the sintered cadmium electrode, a little more than the pocket type cadmium electrode; (4) the foaming type cadmium electrode has the highest specific capacity, but heavy-current discharge and cryogenic property are poor slightly, and its material consumption cost is higher than the pocket type cadmium electrode.
Summary of the invention
The present invention's purpose is intended to overcome above-mentioned deficiency of the prior art, a kind of high combination property level that has is provided: promptly its material consumption cost approaches cost minimum pocket type cadmium electrode, heavy-current discharge and low temperature performance and approaches the highest foaming type cadmium electrode of specific capacity near the best sintered cadmium electrode of discharge performance, unit specific volume amount, has the simplest process route and only needs the manufacture of electrically deposited cadmium electrode of the cadmium-nickel alkaline storage battery that a special equipment finishes automatically continuously.
Content of the present invention is: a kind of manufacture of electrically deposited cadmium electrode, its feature part is to comprise the following steps:
(1) unreels: nickel plating Punching steel strip tape running speed with 5-7m/h under unwinding device control is unreeled, enter dislodger continuously;
(2) electrically deposited cadmium: in the dislodger, being deposit fluid with cadmium sulfate, nickelous sulfate, sulfuric acid and the mixture of purifying waste water, is that main anode, stereotype are that auxilliary anode, described nickel plating Punching steel strip are negative electrode with the cadmium ball; Cadmium content is that 12～22g/l, nickel content are that 0.5～1.5g/l, sulfuric acid content are 35～45g/l in the control deposit fluid, the deposit fluid temperature is 17 ℃～26 ℃, main anode electric current 500A～700A, voltage 10.5V～13.5V, auxilliary anode current 250～420A, voltage 10.5V～13.5v, after making described nickel plating Punching steel strip pass through dislodger continuously, promptly make electrically deposited cadmium electrode band first product with the tape running speed of 5～7m/h;
(3) once roll: is the electrically deposited cadmium electrode band first product thickness of described electrically deposited cadmium electrode band first product through rolling and control after rolling 0.60～0.70mm;
(4) primary drying: is the electrically deposited cadmium electrode band first product after rolling 110～130 ℃ baking oven continuously by temperature with the speed of 5-7m/h, drying time 8～6min;
(5) nickel sulfate dip: continuously by nickel sulfate solution, and to control in this solution nickel content be that 13～25g/l, 15 ℃～30 ℃ of temperature, cadmium content are not more than 50g/l to the electrically deposited cadmium electrode band first product behind primary drying with the speed of 5-7m/h;
(6) redrying: is 100 ℃～120 ℃ baking oven with the electrically deposited cadmium electrode band first product behind the nickel sulfate dip continuously by temperature with the speed of 5-7m/h, and be 16～12min drying time;
(7) secondary rolls: the electrically deposited cadmium electrode band first product after the redrying is promptly made the electrically deposited cadmium electrode band through rolling, and the electrically deposited cadmium electrode tape thickness of control after rolling is 0.43～0.49mm;
(8) rolling: under wrap-up control, with the electrically deposited cadmium electrode band rolling after the redrying.
With the electrically deposited cadmium electrode band after the rolling by the prior art mode through unreeling → shear → pressure-sizing → roller shear → selection, promptly obtain the electrically deposited cadmium electrode product.
In the content of the present invention: described main anode is preferably the cadmium ball that is contained in the titanium basket.
In the content of the present invention: described auxilliary anode is the stereotype grid.
Compared with prior art, the present invention has following characteristics:
(1) production process is brief, only needs an automatic continuous equipment to finish from being dosed into finished product, and the electrode product quality of production is controlled easily, realizes the stability and the uniformity of product quality preferably, and can save the man power and material, and equipment investment is few;
(2) product good combination property, the present invention integrates the advantage of several method manufacturing cadmium electrode in the prior art.As have the excellent properties of the heavy-current discharge of sintered cadmium electrode, the least cost of pocket type cadmium electrode, the brief operation of drawing the dry type cadmium electrode and a highest specific capacity of foaming type cadmium electrode;
(3) electrically deposited cadmium electrode that adopts the present invention to make, unit specific volume amount height: be about 1.32～1.55 times that draw dry type and sintered type volume and capacity ratio, compare with other cadmium electrode, data see attached list 1;
Subordinate list 1
| The cadmium electrode type | Electrically deposited cadmium electrode of the present invention | The sintered cadmium electrode | Draw the dry type cadmium electrode |
| The unit specific volume amount | 930 left and right sides mAh/cm 3 | 600 left and right sides mAh/cm 3 | 700 left and right sides mAh/cm 3 |
(4) the electrically deposited cadmium negative pole internal resistance of adopting the present invention to make is less, helps heavy-current discharge and improves cryogenic property;
Product with 5/4SC battery and two output maximums of SC1500 is an example, adopts same sintrered nickel positive pole to join different cadmium cathodes and surveys the internal resistance comparing data and see attached list 2:
Subordinate list 2
| The cadmium electrode type | Electrically deposited cadmium electrode of the present invention | The sintered cadmium electrode | Draw the dry type cadmium electrode |
| The 5/4SC internal resistance of cell | 4.5～ 5.5mΩ | 3.8～ 7.7mΩ | 12.7～ 20.6mΩ |
| The SC1500 internal resistance of cell | 5.0～ 5.47mΩ | 5.96～ 7.99mΩ | 6.5～ 10.9mΩ |
(5) adopt the electrically deposited cadmium electrode ability to take oxygen of the present invention's manufacturing strong-to make inner pressure of battery lower;
With 5/4SC1800mAh is example: test is with 1C
5The pressure situation sees attached list 3 in the A charging 1.5h:
Subordinate list 3
| The cadmium electrode type | Electrically deposited cadmium electrode of the present invention | The sintered cadmium electrode | Draw the dry type cadmium electrode |
| Inner pressure of battery | 0.96MP a | 0.28MP a | Just having roused at the bottom of the normal performance test does not have big electric current to overcharge |
(6) the electrically deposited cadmium electrode institute packed battery self discharge of adopting the present invention to make is little;
With the SC1500 battery is example, and the self-discharge rate that the Charging state battery was shelved 28 days has only 9%, and general IEC standard and national standard all allow in 35%, and clean burn eliminant battery also surpasses 35% sometimes.As seen adopt electrically deposited cadmium electrode that the self discharge of battery is reduced greatly;
(7) it is higher to adopt the electrically deposited cadmium electrode institute packed battery open circuit of manufacturing of the present invention to shelve voltage;
With clean burn knot SC1300 with adopt electrically deposited cadmium electrode SC1500 relatively, Charging state shelves that SC1300 shelves 7 months the voltage condition of battery and the voltage condition contrast that SC1500 shelves 8 months sees attached list 4 under the room temperature that coexists;
Subordinate list 4
| Shelve the voltage model | Ceiling voltage | Minimum voltage | Average voltage |
| SC1300 (clean burn formula) shelved 7 months | 0.967V | 0.702V | 0.816V |
| SC1500 (electro-deposition) shelved 8 months | 1.218V | 1.176V | 1.203V |
As seen adopt shelving of the favourable battery of electrically deposited cadmium electrode from last table, do not have the phenomenon of low-voltage;
(8) the electrically deposited cadmium electrode production line of relevant technologies index of the present invention and external VARTA company and domestic certain company introduction Israel compares and sees attached list 5:
Subordinate list 5
| The Business Name project | The product that the present invention makes | Germany VARTA company | Domestic certain company |
| Electrode capacity (mAh/cm 3) | 934 (mean values) | 787 (measured values) | 833 (nominal values) |
| Unit volume amount (g/cm 3) | 2.63 | 2.31 | 2.48 |
| Thickness of electrode (mm) | 0.46±0.02 | 0.48±0.02 | 0.48±0.02 |
| Active material utilization (%) | 74.7 | 71.3 | 70.4 |
| Outward appearance | No dry linting | No dry linting | Dry linting is arranged |
| Maintenance load | Reach two months at present and do not changed squeegee and do not cleared up the cadmium slag | Cadmium slag in per two weeks cleaning primary depositing groove | Change squeegee weekly No. one time, cleaning cadmium slag |
| Product percent of pass | Reach about 96% at present | About 96% | About 85～90% |
From above contrast situation as can be known, the electrically deposited cadmium electrode of employing manufacturing of the present invention not only electrode performance level reaches world-class levels, and the practicality of its equipment, economy and maintenance cycle also reach world-class levels.
Embodiment
Embodiment 1:
A kind of manufacture of electrically deposited cadmium electrode comprises the following steps:
(1) unreels: nickel plating Punching steel strip tape running speed with 5m/h under unwinding device control is unreeled, enter dislodger continuously;
(2) electrically deposited cadmium: in the dislodger, being deposit fluid with cadmium sulfate, nickelous sulfate, sulfuric acid and the mixture of purifying waste water, is that main anode, stereotype grid are that auxilliary anode, described nickel plating Punching steel strip are negative electrode with the titanium basket cadmium ball of packing into; Cadmium content is that 12～15g/l, nickel content are that 0.5～0.8g/l, sulfuric acid content are 35～38g/l in the control deposit fluid, the deposit fluid temperature is 17 ℃～26 ℃, main anode electric current 500A, voltage 10.5V, auxilliary anode current 250, voltage 10.5V, the tape running speed that makes described nickel plating Punching steel strip 5m/h promptly makes electrically deposited cadmium electrode band first product continuously by behind the dislodger;
(3) once roll: is the electrically deposited cadmium electrode band first product thickness of described electrically deposited cadmium electrode band first product through rolling and control after rolling 0.60～0.70mm;
(4) primary drying: is the electrically deposited cadmium electrode band first product after rolling 110～130 ℃ baking oven continuously by temperature with the speed of 5m/h, drying time 8min;
(5) nickel sulfate dip: continuously by nickel sulfate solution, and to control in this solution nickel content be that 13g/l, 15 ℃～30 ℃ of temperature, cadmium content are not more than 50g/l to the electrically deposited cadmium electrode band first product behind primary drying with the speed of 5m/h;
(6) redrying: is 100 ℃～120 ℃ baking oven with the electrically deposited cadmium electrode band first product behind the nickel sulfate dip continuously by temperature with the speed of 5m/h, and be 16min drying time;
(7) secondary rolls: the electrically deposited cadmium electrode band first product after the redrying is promptly made the electrically deposited cadmium electrode band through rolling, and the electrically deposited cadmium electrode tape thickness of control after rolling is 0.43～0.49mm;
(8) rolling: under wrap-up control, with the electrically deposited cadmium electrode band rolling after the redrying.
With the electrically deposited cadmium electrode band after the rolling by the prior art mode through unreeling → shear → pressure-sizing → roller shear → selection, promptly obtain the electrically deposited cadmium electrode product.
Embodiment 2:
A kind of manufacture of electrically deposited cadmium electrode comprises the following steps:
(1) unreels: nickel plating Punching steel strip tape running speed with 7m/n under unwinding device control is unreeled, enter dislodger continuously;
(2) electrically deposited cadmium: in the dislodger, being deposit fluid with cadmium sulfate, nickelous sulfate, sulfuric acid and the mixture of purifying waste water, is that main anode, stereotype grid are that auxilliary anode, described nickel plating Punching steel strip are negative electrode with the titanium basket cadmium ball of packing into; Cadmium content is that 19～22g/l, nickel content are that 1.2～1.5g/l, sulfuric acid content are 42～45g/l in the control deposit fluid, the deposit fluid temperature is 17 ℃～26 ℃, main anode electric current 700A, voltage 13.5V, auxilliary anode current 420A, voltage 13.5v, after making described nickel plating Punching steel strip pass through dislodger continuously, promptly make electrically deposited cadmium electrode band first product with the tape running speed of 7m/h;
(3) once roll: is the electrically deposited cadmium electrode band first product thickness of described electrically deposited cadmium electrode band first product through rolling and control after rolling 0.60～0.70mm;
(4) primary drying: is the electrically deposited cadmium electrode band first product after rolling 110～130 ℃ baking oven continuously by temperature with the speed of 7m/h, drying time 6min;
(5) nickel sulfate dip: continuously by nickel sulfate solution, and to control in this solution nickel content be that 13～25g/l, 15 ℃～30 ℃ of temperature, cadmium content are not more than 50g/l to the electrically deposited cadmium electrode band first product behind primary drying with the speed of 7m/h;
(6) redrying: is 100 ℃～120 ℃ baking oven with the electrically deposited cadmium electrode band first product behind the nickel sulfate dip continuously by temperature with the speed of 7m/h, and be 12min drying time;
(7) secondary rolls: the electrically deposited cadmium electrode band first product after the redrying is promptly made the electrically deposited cadmium electrode band through rolling, and the electrically deposited cadmium electrode tape thickness of control after rolling is 0.43～0.49mm;
(8) rolling: under wrap-up control, with the electrically deposited cadmium electrode band rolling after the redrying.
With the electrically deposited cadmium electrode band after the rolling by the prior art mode through unreeling → shear → pressure-sizing → roller shear → selection, promptly obtain the electrically deposited cadmium electrode product.
Embodiment 3:
A kind of manufacture of electrically deposited cadmium electrode comprises the following steps:
(1) unreel: the tape running speed with 6m/n under unwinding device control unreels with nickel plating Punching steel strip or punching nickel strap, enters dislodger continuously;
(2) electrically deposited cadmium: in the dislodger, being deposit fluid with cadmium sulfate, nickelous sulfate, sulfuric acid and the mixture of purifying waste water, is that main anode, stereotype grid are that auxilliary anode, described nickel plating Punching steel strip are negative electrode with the titanium basket cadmium ball of packing into; Cadmium content is that 15～19g/l, nickel content are that 0.8～1.2g/l, sulfuric acid content are 38～42g/l in the control deposit fluid, the deposit fluid temperature is 17 ℃～26 ℃, main anode electric current 500A～700A, voltage 10.5V～13.5V, auxilliary anode current 250～420A, voltage 10.5V～13.5v, after making described nickel plating Punching steel strip or punching nickel strap pass through dislodger continuously, promptly make electrically deposited cadmium electrode band first product with the tape running speed of 6m/h;
(3) once roll: the electrically deposited cadmium electrode band first product thickness after rolling is 0.60～0.70mm through roller and control described electrically deposited cadmium electrode band first product;
(4) primary drying: is the electrically deposited cadmium electrode band first product after rolling 110～130 ℃ baking oven continuously by temperature with the speed of 6m/h, drying time 7min;
(5) nickel sulfate dip: continuously by nickel sulfate solution, and to control in this solution nickel content be that 13～25g/l, 15 ℃～30 ℃ of temperature, cadmium content are not more than 50g/l to the electrically deposited cadmium electrode band first product behind primary drying with the speed of 6m/h;
(6) redrying: is 100 ℃～120 ℃ baking oven with the electrically deposited cadmium electrode band first product behind the nickel sulfate dip continuously by temperature with the speed of 6m/h, and be 14min drying time;
(7) secondary rolls: the electrically deposited cadmium electrode band first product after the redrying is promptly made the electrically deposited cadmium electrode band through rolling, and the electrically deposited cadmium electrode tape thickness of control after rolling is 0.43～0.49mm;
(8) rolling: under wrap-up control, with the electrically deposited cadmium electrode band rolling after the redrying.
With the electrically deposited cadmium electrode band after the rolling by the prior art mode through unreeling → shear → pressure-sizing → roller shear → selection, promptly obtain the electrically deposited cadmium electrode product.
The invention is not restricted to the foregoing description, content of the present invention is described all can be implemented, and has good result.
Claims (3)
1, a kind of manufacture of electrically deposited cadmium electrode is characterized in that comprising the following steps:
(1) unreel: the tape running speed with 5-7m/h under unwinding device control unreels with nickel plating Punching steel strip or punching nickel strap, enters dislodger continuously;
(2) electrically deposited cadmium: in the dislodger, being deposit fluid with cadmium sulfate, nickelous sulfate, sulfuric acid and the mixture of purifying waste water, is that main anode, stereotype are that auxilliary anode, described nickel plating Punching steel strip are negative electrode with the cadmium ball; Cadmium content is that 12～22g/l, nickel content are that 0.5～1.5g/l, sulfuric acid content are 35～45g/1 in the control deposit fluid, the deposit fluid temperature is 17 ℃～26 ℃, main anode electric current 500A～700A, voltage 10.5V～13.5V, auxilliary anode current 250～420A, voltage 10.5V～13.5v, after making described nickel plating Punching steel strip pass through dislodger continuously, promptly make electrically deposited cadmium electrode band first product with the tape running speed of 5～7m/h;
(3) once roll: is the electrically deposited cadmium electrode band first product thickness of described electrically deposited cadmium electrode band first product through rolling and control after rolling 0.60～0.70mm;
(4) primary drying: is the electrically deposited cadmium electrode band first product after rolling 110～130 ℃ baking oven continuously by temperature with the speed of 5-7m/h, drying time 8～6min;
(5) nickel sulfate dip: continuously by nickel sulfate solution, and to control in this solution nickel content be that 13～25g/l, 15 ℃～30 ℃ of temperature, cadmium content are not more than 50g/l to the electrically deposited cadmium electrode band first product behind primary drying with the speed of 5-7m/h;
(6) redrying: is 100 ℃～120 ℃ baking oven with the electrically deposited cadmium electrode band first product behind the nickel sulfate dip continuously by temperature with the speed of 5-7m/h, and be 16～12min drying time;
(7) secondary rolls: the electrically deposited cadmium electrode band first product after the redrying is rolled through roller, promptly make the electrically deposited cadmium electrode band, and the electrically deposited cadmium electrode tape thickness of control after rolling is 0.43～0.49mm;
(8) rolling: under wrap-up control, with the electrically deposited cadmium electrode band rolling after the redrying.
2, by the described manufacture of electrically deposited cadmium electrode of claim 1, it is characterized in that: described main anode is the cadmium ball that is contained in the titanium basket.
3, by claim 1 or 2 described manufacture of electrically deposited cadmium electrode, it is characterized in that: described auxilliary anode is the stereotype grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99120947A CN1106050C (en) | 1999-09-24 | 1999-09-24 | Manufacture of electrically deposited cadmium electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99120947A CN1106050C (en) | 1999-09-24 | 1999-09-24 | Manufacture of electrically deposited cadmium electrode |
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| Publication Number | Publication Date |
|---|---|
| CN1250231A CN1250231A (en) | 2000-04-12 |
| CN1106050C true CN1106050C (en) | 2003-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN99120947A Expired - Fee Related CN1106050C (en) | 1999-09-24 | 1999-09-24 | Manufacture of electrically deposited cadmium electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507997B (en) * | 2009-03-11 | 2012-04-18 | 河北工业大学 | Automatic clicker of cell diaphragm |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383153A (en) * | 2011-10-28 | 2012-03-21 | 北京科技大学 | Preparation method of electroplated cadmium coating for metalwork |
| CN103219496B (en) * | 2012-01-18 | 2016-06-01 | 浙江荣鑫电源科技有限公司 | A kind of manufacture method of cadmium reference electrode for lead acid battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169780A (en) * | 1977-05-24 | 1979-10-02 | Societe Les Piles Wonder | Process and apparatus for making negative electrodes, in particular in cadmium or zinc, for electrochemical generators, and the negative electrodes thus obtained |
| CN1053971A (en) * | 1990-02-07 | 1991-08-21 | 林柏 | Electrochemical precipitation process for making electrode of cadmium-nickel accumulator |
-
1999
- 1999-09-24 CN CN99120947A patent/CN1106050C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169780A (en) * | 1977-05-24 | 1979-10-02 | Societe Les Piles Wonder | Process and apparatus for making negative electrodes, in particular in cadmium or zinc, for electrochemical generators, and the negative electrodes thus obtained |
| CN1053971A (en) * | 1990-02-07 | 1991-08-21 | 林柏 | Electrochemical precipitation process for making electrode of cadmium-nickel accumulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101507997B (en) * | 2009-03-11 | 2012-04-18 | 河北工业大学 | Automatic clicker of cell diaphragm |
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| CN1250231A (en) | 2000-04-12 |
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