CN103325575A - Method for forming high-dielectric electrode foils - Google Patents
Method for forming high-dielectric electrode foils Download PDFInfo
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- CN103325575A CN103325575A CN201310181251XA CN201310181251A CN103325575A CN 103325575 A CN103325575 A CN 103325575A CN 201310181251X A CN201310181251X A CN 201310181251XA CN 201310181251 A CN201310181251 A CN 201310181251A CN 103325575 A CN103325575 A CN 103325575A
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Abstract
The invention provides a method for forming high-dielectric electrode foils. The method is characterized by comprising the steps of conducting dipping treatment for 2-3 minutes in 1-2mol formic acid solution, washing, conducting anodic oxidation for 3-4 minutes in the voltage of 90V in 1-2mol ammonium metavanadate solution, then repeatedly conducting the processes of dipping, washing and anodic oxidation, wherein the anodic oxidation process comprises the following steps of conducting anodic oxidation for 3-4 minutes in the voltage of 125V, conducting anodic oxidation for 8 minutes in the voltage of 160V, conducting anodic oxidation for 8 minutes in the voltage of 200V, conducting heat treatment for 2 minutes in the temperature of 520 DEG C, conducting anodic oxidation for 5 minutes in the voltage of 200V, dipping the high-dielectric constant electrode foils in the 1-2mol formic acid solution for 2 minutes again, taking the high-dielectric constant electrode foils out and washing the high-dielectric constant electrode foils by pure water, drying the high-dielectric constant electrode foils in the temperature of 150 DEG C, and then obtaining products. The method for forming the high-dielectric electrode foils is scientific and reasonable in technological process, high in efficiency, and good in quality of the products.
Description
Technical field
The invention belongs to a kind of electrode foil preparation method.
Background technology
Electrode foil is the crucial raw material that aluminium electrolytic capacitor is made.Because developing rapidly of electronic industry, especially the rapid expansion in the machine product markets such as communication products, computer, household electrical appliances, simultaneously because the requirement of the miniaturization of aluminium electrolytic capacitor, high performance, chip type is more and more urgent, higher technology and quality requirement have been proposed also for the manufacturing industry of electrode foil.Waste Acid From Hua Cheng Foil, etched foil, i.e. electrode foil, electrode foil is the Typical Representative of electronic material, novel electron material and base electronic product.The surface corrosion of light paper tinsel process and reoxidize processing after just become the electrode paper tinsel; The key of electrode foil quality is preparation method's chemical synthesis technology condition.
Through Chinese publication retrieval, find 63 of electrode foil patent of invention cases, there be not to find the scheme identical with the present invention.
Summary of the invention
The object of the invention is to, propose a kind of chemical synthesizing method of high dielectric electrode paper tinsel.
The chemical synthesizing method of high dielectric electrode paper tinsel of the present invention is characterized in that: may further comprise the steps:
With high-dielectric constant electrode foil, impregnation process is 2-3 minutes in 1-2mol formic acid solution; Pure water cleans after taking out;
In 1-2mol ammonium metavanadate solution, under 90V voltage, carry out first order anodic oxidation 3-4 minutes;
Taking-up was flooded 1 minute in 1-2mol formic acid solution; Pure water cleans after taking out; In 1-2mol ammonium metavanadate solution, be that 125V carries out second level anodic oxidation 3-4 minutes at voltage;
Taking-up was flooded 2 minutes at 1-2mol formic acid solution; In 1-2mol ammonium metavanadate solution, carry out third level anodic oxidation 8 minutes under the 160V voltage;
Taking-up was flooded 2 minutes in 1-2mol formic acid solution; In 1-2mol ammonium metavanadate solution, carry out fourth stage anodic oxidation 8 minutes under the 200V voltage;
Under 520 ℃, heat-treated 2 minutes; Replenish anodic oxidation, 5 minutes time under the 200V; Again flooded 2 minutes at 1-2mol formic acid solution; Pure water cleans after taking out; Under 150 ℃ of temperature, dry, namely get product.
The present invention compared with prior art its beneficial effect is: technical conditions science, reasonable, efficient is high, good product quality.
Embodiment
Below in conjunction with embodiment technical scheme of the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
Etched foil is cut into the rectangle paillon foil of 6 * 12cm, processes in accordance with the following steps:
High-dielectric constant electrode foil is cut into the rectangle of 8 * 10cm, impregnation process is 3 minutes in the 1mol formic acid solution; Pure water cleans after taking out;
In the 1mol ammonium metavanadate solution, under 90V voltage, carry out first order anodic oxidation 3 minutes;
Taking-up was flooded 1 minute in the 1mol formic acid solution; Pure water cleans after taking out; In the 2mol ammonium metavanadate solution, be that 125V carried out second level anodic oxidation 4 minutes at voltage;
Taking-up was flooded 2 minutes at the 1mol formic acid solution; In the 2mol ammonium metavanadate solution, carry out third level anodic oxidation 8 minutes under the 160V voltage;
Taking-up was flooded 2 minutes in the 1mol formic acid solution; In the 2mol ammonium metavanadate solution, carry out fourth stage anodic oxidation 8 minutes under the 200V voltage;
Under 520 ℃, heat-treated 2 minutes; Replenish anodic oxidation, 5 minutes time under the 200V; Again flooded 2 minutes at the 1mol formic acid solution; Pure water cleans after taking out; Under 150 ℃ of temperature, dry, namely get product.
Embodiment 2
Etched foil is cut into the rectangle paillon foil of 6 * 12cm, processes in accordance with the following steps:
High-dielectric constant electrode foil is cut into the rectangle of 8 * 10cm, impregnation process is 2 minutes in the 2mol formic acid solution; Pure water cleans after taking out;
In the 1mol ammonium metavanadate solution, under 90V voltage, carry out first order anodic oxidation 4 minutes;
Taking-up was flooded 1 minute in the 2mol formic acid solution; Pure water cleans after taking out; In the 1mol ammonium metavanadate solution, be that 125V carried out second level anodic oxidation 4 minutes at voltage;
Taking-up was flooded 2 minutes at the 2mol formic acid solution; In the 1mol ammonium metavanadate solution, carry out third level anodic oxidation 8 minutes under the 160V voltage;
Taking-up was flooded 2 minutes in the 2mol formic acid solution; In the 1mol ammonium metavanadate solution, carry out fourth stage anodic oxidation 8 minutes under the 200V voltage;
Under 520 ℃, heat-treated 2 minutes; Replenish anodic oxidation, 5 minutes time under the 200V; Again flooded 2 minutes at the 2mol formic acid solution; Pure water cleans after taking out; Under 150 ℃ of temperature, dry, namely get product.
The electrode obtained paper tinsel product, adopt the detection method of prior art to detect:
Arrive voltage (V) 211.5;
(s) 61 (qualified) boosts behind the poach;
Anti-hydrability (s) 17 (qualified)
Claims (1)
1. the chemical synthesizing method of a high dielectric electrode paper tinsel is characterized in that: may further comprise the steps:
With high-dielectric constant electrode foil impregnation process 2-3 minutes in 1-2mol formic acid solution; Pure water cleans after taking out;
In 1-2mol ammonium metavanadate solution, under 90V voltage, carry out first order anodic oxidation 3-4 minutes;
Taking-up was flooded 1 minute in 1-2mol formic acid solution; Pure water cleans after taking out; In 1-2mol ammonium metavanadate solution, be that 125V carries out second level anodic oxidation 3-4 minutes at voltage;
Taking-up was flooded 2 minutes at 1-2mol formic acid solution; In 1-2mol ammonium metavanadate solution, carry out third level anodic oxidation 8 minutes under the 160V voltage;
Taking-up was flooded 2 minutes in 1-2mol formic acid solution; In 1-2mol ammonium metavanadate solution, carry out fourth stage anodic oxidation 8 minutes under the 200V voltage;
Under 520 ℃, heat-treated 2 minutes; Replenished anodized 5 minutes under the 200V; Again flooded 2 minutes at 1-2mol formic acid solution; Pure water cleans after taking out; Under 150 ℃ of temperature, dry, namely get product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310181251.XA CN103325575B (en) | 2013-05-16 | 2013-05-16 | The chemical synthesizing method of high dielectric electrode paper tinsel |
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| CN201310181251.XA CN103325575B (en) | 2013-05-16 | 2013-05-16 | The chemical synthesizing method of high dielectric electrode paper tinsel |
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| CN103325575A true CN103325575A (en) | 2013-09-25 |
| CN103325575B CN103325575B (en) | 2016-07-06 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311326A (en) * | 2007-05-25 | 2008-11-26 | 比亚迪股份有限公司 | Micro arc oxidation electrolytic solution for light metals and micro arc oxidation method |
| CN102070137A (en) * | 2010-12-21 | 2011-05-25 | 同济大学 | Preparation method of carbon foam with high electrochemical performances |
| CN102877104A (en) * | 2012-10-09 | 2013-01-16 | 西南石油大学 | Low-voltage rapid micro-arc oxidation technique |
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2013
- 2013-05-16 CN CN201310181251.XA patent/CN103325575B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101311326A (en) * | 2007-05-25 | 2008-11-26 | 比亚迪股份有限公司 | Micro arc oxidation electrolytic solution for light metals and micro arc oxidation method |
| CN102070137A (en) * | 2010-12-21 | 2011-05-25 | 同济大学 | Preparation method of carbon foam with high electrochemical performances |
| CN102877104A (en) * | 2012-10-09 | 2013-01-16 | 西南石油大学 | Low-voltage rapid micro-arc oxidation technique |
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Effective date of registration: 20191018 Address after: 314502 202a, building B, 369 GONGMAO Avenue, Puyuan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Hongchen Industrial Design Co., Ltd Address before: 542800 No. 123 West Street, eight steps, the Guangxi Zhuang Autonomous Region, Hezhou Patentee before: Tao Rong Yan |
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