CN101034625A - Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil - Google Patents
Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil Download PDFInfo
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- CN101034625A CN101034625A CN 200710074059 CN200710074059A CN101034625A CN 101034625 A CN101034625 A CN 101034625A CN 200710074059 CN200710074059 CN 200710074059 CN 200710074059 A CN200710074059 A CN 200710074059A CN 101034625 A CN101034625 A CN 101034625A
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Abstract
The invention is a high voltage-resistance large-ripple aluminum electrolytic capacitor's cathode foil making method, relating to a method for making aluminum electrolytic capacitor's cathode foil, especially relating to a method for making high voltage-resistance large-ripple aluminum electrolytic capacitor's cathode foil, comprising the steps of: selecting the aluminum foil produced by corrosion on a condition of 10-20Hz AC; and forming at 1-35vf. And the invention changes the hole structure of aluminum foil, and can improve the performance of the capacitor using the material of aluminum foil and extremely reduces performance/cost tradeoff of product.
Description
Technical field
The present invention relates to the manufacture method of aluminum electrolysis capacitance cathode foil, particularly the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil.
Background technology
Existing aluminium electrolytic capacitor is widely used, production processing procedure as the utmost point paper tinsel of major component, all adopt corrosion and chemical synthesis technology production anode foils, the voltage that changes into all more than 50vf, the anode foils production technology that main technological process such as CN1744248 are disclosed.How manufacture enterprise has house, as three prosperous days Buddhist nuns, Beijing element ten factories, rich guest, Japanese JCC, Japanese HKK or the like enterprise.The manufacturing of Cathode Foil is adopted 50Hz electrochemical corrosion treatment process or is adopted the chemical etching technology of Alloy Foil.The anode foil production technology disclosed as Chinese patent CN1484261A, CN1744248.The negative electrode paper tinsel that these methods of capacitor application are made, impedance height, anti-ripple ability under low frequency, the high frequency.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method that improves the electrode foil of the anti-ripple performance of capacitor.
Purpose of the present invention can realize like this, designs a kind of manufacture method of class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil, may further comprise the steps:
A, be chosen under 10～20HZ interchange condition the aluminium foil that corrosion is produced;
B, change into processing, formation voltage is 1～35vf.
Prioritization scheme: formation voltage is 1～10vf.
The present invention changes the pore space structure of aluminium foil, can improve the performance of using this material of aluminum foil capacitor, and reduce cost performance of product largely.
Embodiment
The invention will be further described below in conjunction with embodiment.
The manufacture method of the anti-ripple class of a kind of high pressure aluminum electrolysis capacitance cathode foil may further comprise the steps:
A, be chosen under 10～20HZ interchange condition the aluminium foil that corrosion is produced;
B, change into processing, formation voltage is 1～35vf.
The prioritization scheme of this manufacture method is: the formation voltage that changes in the processing procedure is 1～10vf.
Manufacture method also comprises step C, depolarising processing; With step D, heat treatment, receive paper tinsel.
Change into the time between 10 minutes to 2 hours in the B step of this manufacture method.
Changing into required current density in the B step of this manufacture method is 5～50mA/cm
2
The described temperature that changes into liquid of this manufacture method is 45 ℃～105 ℃.
It is ammonium salt aqueous solution or for ammonium salt and boric acid aqueous solution that this manufacture method changes into liquid.To account for the percentage by weight of solution be 5～15% to ammonium salt in the ammonium salt aqueous solution.To account for the percentage by weight of solution be 5～15% for ammonium salt and boric acid in ammonium salt and the boric acid aqueous solution.Ammonium salt is ammonium salts such as azelaic acid hydrogen ammonium, ammonium adipate, ammonium sebacate, ammonium borate.
The present invention can adopt the prior art corrosion treatment and change into most of technological parameter of processing, and the corrosion current parameter change is 10～20HZ alternating current, and the formation voltage parameter change that changes into is 1～35vf.
Embodiment one: the aluminium foil that the 13HZ AC corrosion of learning from else's experience is handled, and aluminium foil purity is more than 99%; Is that 60 ℃, content are in the aqueous solution of 8% azelaic acid hydrogen ammonium, with current density 13mA/cm with aluminium foil in temperature
2, voltage 3vf changed into 30 minutes; Clean aluminium foil, depolarising was handled 5 minutes; Clean aluminium foil, heat treatment 5 minutes, temperature is 600 ℃.
Embodiment two: the aluminium foil that the 18HZ AC corrosion of learning from else's experience is handled, and aluminium foil purity is more than 99%; Is that 48 ℃, content are in the aqueous solution of 10% ammonium adipate, with current density 50mA/cm with aluminium foil in temperature
2, voltage 10vf changed into 35 minutes; In temperature is that 90 ℃, content are in the aqueous solution of 5% ammonium sebacate, with current density 50mA/cm
2, voltage 10vf changed into 40 minutes; Clean aluminium foil, depolarising was handled 5 minutes; Clean aluminium foil, heat treatment 5 minutes, temperature is 500 ℃.
Embodiment three: the aluminium foil that the 10HZ AC corrosion of learning from else's experience is handled, and aluminium foil purity is more than 99%; Is that 80 ℃, content are in the aqueous solution of 12% ammonium adipate, with current density 50mA/cm with aluminium foil in temperature
2, voltage 20vf changed into 35 minutes; In temperature is that 90 ℃, content are in the aqueous solution of 6% ammonium sebacate, with current density 50mA/cm
2, voltage 20vf changed into 40 minutes; Clean aluminium foil, depolarising was handled 5 minutes; Clean aluminium foil, existing 5 minutes of heat place, temperature is 400 ℃.
Changing into step is: one-level changes into → secondary changes into → and three, level Four changes into → clean → depolarising processing → cleaning → heat treatment → receipts paper tinsel.Wherein heat treatment mainly plays oven dry utmost point paper tinsel.
The present invention adopts the corrosion of 10～20HZ variable frequency power supply, and employing low-voltage 1～35VF chemical synthesis technology, the hole and the certain quantity of ion that have kept electric capacity, and reduced the equivalent series resistance of negative electrode, thereby make anti-big ripple class alminium electrolytic condenser greatly reduce loss and impedance of different frequency equivalent series resistance and equivalent parallel resistance (impedance) under the different frequency.
There are bigger difference in the pore space structure of the cathode aluminum foil material that use the present invention produces and the cathode aluminum foil material of original explained hereafter, the aluminum foil material that uses the present invention to produce is tunnel type hole type looks formed aluminum foil, the aluminum foil material of original explained hereafter is the formed aluminum foil of sponge reticular pattern looks, and the aluminium foil that use the present invention produces increases by 3～10 times than the aluminium foil hole diameter of original explained hereafter.
Use the present invention to make the high frequency large ripple current-resistant electrolytic capacitor of cathode material, can be used as Metal halogen lamp with aluminium electrolytic capacitor, frequency converter with alminium electrolytic condenser, laser cutting machine tool alminium electrolytic condenser, hyperfrequency ultra high power factor electricity-saving lamp alminium electrolytic condenser.
Claims (10)
1, a kind of manufacture method of high-pressure aluminum electrolytic capacitance cathode foil is characterized in that may further comprise the steps:
A, be chosen under 10～20HZ interchange condition the aluminium foil that corrosion is produced;
B, change into processing, formation voltage is 1～35vf.
2, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that further comprising the steps of: C, depolarising are handled; Paper tinsel is received in D, heat treatment.
3, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: formation voltage is 1～10vf in the described B step.
4, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: change into the time between 10 minutes to 2 hours in the described B step.
5, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: changing into required current density in the described B step is 5～50mA/cm
2
6, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: the temperature that changes into liquid in the described B step is 45 ℃～105 ℃.
7, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: change into liquid in the described B step and be ammonium salt aqueous solution or be ammonium salt and boric acid aqueous solution.
8, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: described ammonium salt is azelaic acid hydrogen ammonium, ammonium adipate, ammonium sebacate, ammonium borate.
9, the manufacture method of high-pressure aluminum electrolytic capacitance cathode foil according to claim 1 is characterized in that: change in the described B step for one-level changes into, secondary changes into, three grades change into or level Four changes into one of them.
10, the high-pressure aluminum electrolytic capacitance cathode foil of manufacture method making according to claim 1, it is characterized in that: aluminium foil is the formed aluminum foil of tunnel type hole type looks.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074059 CN101034625A (en) | 2007-04-19 | 2007-04-19 | Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil |
| PCT/CN2008/000796 WO2008128432A1 (en) | 2007-04-19 | 2008-04-18 | A method of manufacturing an aluminium electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710074059 CN101034625A (en) | 2007-04-19 | 2007-04-19 | Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil |
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| Publication Number | Publication Date |
|---|---|
| CN101034625A true CN101034625A (en) | 2007-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710074059 Pending CN101034625A (en) | 2007-04-19 | 2007-04-19 | Making method for a class of high-voltage large ripple resistance aluminum electrolysis capacitance cathode foil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290830B (en) * | 2007-04-19 | 2011-06-15 | 朱健雄 | Production method of aluminum electrolysis capacitor |
| CN103882506A (en) * | 2012-12-21 | 2014-06-25 | 广西贺州市桂东电子科技有限责任公司 | Additive for ultimate formation liquid of middle and high pressure formed foil and adding method thereof |
| CN104867677A (en) * | 2015-05-28 | 2015-08-26 | 南通华裕电子有限公司 | Aluminum electrolytic capacitor polarity lesion removing method |
| CN111330535A (en) * | 2020-03-25 | 2020-06-26 | 南通海星电子股份有限公司 | Novel adsorption material for water treatment and preparation method thereof |
-
2007
- 2007-04-19 CN CN 200710074059 patent/CN101034625A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290830B (en) * | 2007-04-19 | 2011-06-15 | 朱健雄 | Production method of aluminum electrolysis capacitor |
| CN103882506A (en) * | 2012-12-21 | 2014-06-25 | 广西贺州市桂东电子科技有限责任公司 | Additive for ultimate formation liquid of middle and high pressure formed foil and adding method thereof |
| CN104867677A (en) * | 2015-05-28 | 2015-08-26 | 南通华裕电子有限公司 | Aluminum electrolytic capacitor polarity lesion removing method |
| CN111330535A (en) * | 2020-03-25 | 2020-06-26 | 南通海星电子股份有限公司 | Novel adsorption material for water treatment and preparation method thereof |
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Open date: 20070912 |