CN1366095A - Three-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor - Google Patents
Three-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor Download PDFInfo
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- CN1366095A CN1366095A CN 01108060 CN01108060A CN1366095A CN 1366095 A CN1366095 A CN 1366095A CN 01108060 CN01108060 CN 01108060 CN 01108060 A CN01108060 A CN 01108060A CN 1366095 A CN1366095 A CN 1366095A
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- Prior art keywords
- voltage
- condition
- under
- current density
- aqueous solution
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- 239000011888 foil Substances 0.000 title claims abstract description 13
- 239000003990 capacitor Substances 0.000 title claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001741 Ammonium adipate Substances 0.000 claims abstract description 32
- 235000019293 ammonium adipate Nutrition 0.000 claims abstract description 32
- 239000007864 aqueous solution Substances 0.000 claims abstract description 30
- 239000005030 aluminium foil Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 10
- 230000003628 erosive effect Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The three-stage manufacturing method of low-voltage aluminium electrolytic capacitor electrode foil is characterized by that the corroded low-voltage aluminium foil is firstly placed in 1-20% aqueous solution of ammonium adipate, and its current density is 100mA/(cm) at 60-90 deg.C2Under the condition of 20V voltage, first-stage reaction is carried out for 20 min, and then the mixture is added into the same bath solution at 60-90 ℃ and 100mA/(cm)238V, and then in the same bath solution at 60-90 ℃ and 100mA/(cm)2And carrying out three-stage formation for 15 minutes under the condition of 50V, then taking out and carrying out high-temperature treatment at 300 ℃ for 5 minutes, then carrying out formation for 12 minutes under the condition of three-stage formation, and finally taking out and drying. The invention has the advantages of high production efficiency, good performance and long service life.
Description
The present invention relates to the manufacture method of electrode foil, be particularly useful for the manufacture method of low voltage electrode foil for aluminum electrolytic capacitor.
The manufacture method of the employed electrode foil of low voltage aluminum electrolysis capacitor in the past, the low pressure aluminium foil of the excessive erosion of learning from else's experience is placed in the aqueous solution of 5% ammonium adipate, and the molecular formula of ammonium adipate is C
6H
8O
4(NH
4)
2, be 100mA/ (cm) earlier at 70 ℃, current density
2, voltage is to carry out one-level under the condition of 35V to change into 20 minutes; Then in same 5% ammonium adipate tank liquor, be 100mA/ (cm) at 70 ℃, current density
2, voltage is to change into 24 minutes under the condition of 50V.This manufacture method production efficiency is low, makes the made electrical condenser of electrode foil in this way, poor storage performance, and it is bigger to leak electricity, and the life-span is short.
The objective of the invention is to provide the three tier structure making method of low voltage electrode foil for aluminum electrolytic capacitor in order to overcome above-mentioned weak point, this manufacture method productivity effect height is made the made electrical condenser of electrode foil in this way, and shelf characteric is good, it is less to leak electricity, and the life-span is long.
Description of the present invention is as follows: the three tier structure making method of low voltage electrode foil for aluminum electrolytic capacitor, the low pressure aluminium foil of the excessive erosion of learning from else's experience is placed on earlier in the aqueous solution of ammonium adipate of 1-20%, is 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 10-20 minute; Again in the aqueous solution of the ammonium adipate of 1-20%, be 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 10-20 minute; In the aqueous solution of the ammonium adipate of 1-20%, at 60-90 ℃, current density is 100mA/ (cm) again
2, voltage is under the condition of 50V, three grades changed into 10-20 minute; Then take out 300 ℃ pyroprocessing 5 minutes; At last in the aqueous solution of the ammonium adipate of 1-20%, be 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 50V, changed into 10-15 minute.Take out oven dry.
Embodiment 1: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of 3% ammonium adipate, and be 100mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 15 minutes; Again in the aqueous solution of 3% ammonium adipate, be 100mA/cm at 70 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 15 minutes; Again in the aqueous solution of 3% ammonium adipate, be 100mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 15 minutes, then took out 300 ℃ pyroprocessing 5 minutes, the back is 100mA/ (cm) at 70 ℃, current density in the aqueous solution of 3% ammonium adipate
2, voltage is under the condition of 50V, changes into 12 minutes, take out at last, dry.
Embodiment 2: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of 1% ammonium adipate, and be 100mA/ (cm) at 60 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 15 minutes; Again in the aqueous solution of 5% ammonium adipate, be 100mA/cm at 70 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 15 minutes; Again in the aqueous solution of 10% ammonium adipate, be 100mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 15 minutes, then took out 300 ℃ pyroprocessing 5 minutes, the back is 100mA/ (cm) at 90 ℃, current density in the aqueous solution of 20% ammonium adipate
2, voltage is under the condition of 50V, changes into 12 minutes, take out at last, dry.
Embodiment 3: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of 20% ammonium adipate, and be 100mA/ (cm) at 90 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 15 minutes; Again in the aqueous solution of 15% ammonium adipate, be 100mA/cm at 80 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 15 minutes; Again in the aqueous solution of 10% ammonium adipate, be 100mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 15 minutes, then took out 300 ℃ pyroprocessing 5 minutes, the back is 100mA/ (cm) at 60 ℃, current density in the aqueous solution of 5% ammonium adipate
2, voltage is under the condition of 50V, changes into 12 minutes, take out at last, dry.
Embodiment 4: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of 10% ammonium adipate, and be 100mA/ (cm) at 90 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 15 minutes; Again in the aqueous solution of 10% ammonium adipate, be 100mA/cm at 80 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 15 minutes; Again in the aqueous solution of 10% ammonium adipate, be 100mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 15 minutes, then took out 300 ℃ pyroprocessing 5 minutes, the back is 100mA/ (cm) at 60 ℃, current density in the aqueous solution of 10% ammonium adipate
2, voltage is under the condition of 50V, changes into 12 minutes, take out at last, dry.
Embodiment 5: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of 2% ammonium adipate, and be 100mA/ (cm) at 75 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 15 minutes; Again in the aqueous solution of 6% ammonium adipate, be 100mA/cm at 75 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 15 minutes; Again in the aqueous solution of 11% ammonium adipate, be 100mA/ (cm) at 75 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 15 minutes, then took out 300 ℃ pyroprocessing 5 minutes, the back is 100mA/ (cm) at 75 ℃, current density in the aqueous solution of 16% ammonium adipate
2, voltage is under the condition of 50V, changes into 12 minutes, take out at last, dry.
Advantage of the present invention, the three tier structure of low voltage electrode foil for aluminum electrolytic capacitor is made method, the production efficiency height; Make in this way the made capacitor of electrode foil, shelf characteric is good, electric leakage is littler, the life-span is long.
The technology of the present invention and prior art contrast table
| Production efficiency | Experiment of high-temperature load | Leakage current | Capacity before capacity after shelf characteric (10 days) is stored/storage | |
| Prior art | 1 | Can't pass | 100％ | 92％ |
| The technology of the present invention | 1.8-2.3 doubly | By | 70％ | 100％ |
Claims (1)
1, the three tier structure making method of low voltage electrode foil for aluminum electrolytic capacitor is characterized in that: the low pressure aluminium foil of the excessive erosion of learning from else's experience, be placed on earlier in the aqueous solution of ammonium adipate of 1-20%, and be 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 20V, one-level changed into 10-20 minute; Again in the aqueous solution of the ammonium adipate of 1-20%, be 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 38V, secondary changed into 10-20 minute; Again in the aqueous solution of the ammonium adipate of 1-20%, be 100mA/ (cm) at 60-90 ℃, current density
2, voltage is under the condition of 50V, three grades changed into 10-25 minute; Then take out 300 ℃ pyroprocessing 5 minutes; The back is 100mA/ (cm) at 60-90 ℃, current density in the aqueous solution of the ammonium adipate of 1-20%
2, voltage is under the condition of 50V, changed into 10-15 minute.Take out at last, dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108060 CN1117183C (en) | 2001-01-19 | 2001-01-19 | Three-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108060 CN1117183C (en) | 2001-01-19 | 2001-01-19 | Three-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1366095A true CN1366095A (en) | 2002-08-28 |
| CN1117183C CN1117183C (en) | 2003-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01108060 Expired - Fee Related CN1117183C (en) | 2001-01-19 | 2001-01-19 | Three-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1117183C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100524558C (en) * | 2006-11-06 | 2009-08-05 | 乳源瑶族自治县东阳光化成箔有限公司 | A low-voltage anode foil used for aluminium electrolytic capacitor and its manufacturing method |
| CN101235529B (en) * | 2007-11-05 | 2010-04-07 | 乳源瑶族自治县东阳光化成箔有限公司 | Method for manufacturing low-pressure chemical synthesis foil for aluminum electrolysis capacitor and middle treatment groove |
| CN101101817B (en) * | 2006-12-22 | 2010-05-12 | 东莞市东阳光电容器有限公司 | Electrolytic capacitor pure aluminium cathode foil anode oxidation production method |
| CN101154508B (en) * | 2006-09-26 | 2010-06-16 | 横店集团东磁有限公司 | Four-stage manufacturing method for electrode foil of high-pressure aluminum electrolytic capacitor |
| CN101608331B (en) * | 2008-06-16 | 2010-09-08 | 吴昊 | Preparation method of porous alumina membrane |
| CN101423964B (en) * | 2008-07-29 | 2010-11-10 | 东莞市东阳光电容器有限公司 | Method for manufacturing foil by composite oxidation film at low pressure |
| CN101425384B (en) * | 2008-07-24 | 2010-12-15 | 东莞市东阳光电容器有限公司 | Low voltage aluminum electrolysis capacitor formed foil production method |
| CN101425383B (en) * | 2008-07-24 | 2011-04-20 | 东莞市东阳光电容器有限公司 | Formed foil production method for low voltage high dielectric aluminum electrolysis capacitor |
| CN101452768B (en) * | 2006-11-08 | 2011-08-24 | 东莞万利信新材料元件有限公司 | Inspection method for inhibiting treatment process for reacting electrolytic capacitor aluminum foil oxidation film with water |
| CN102543478A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Method for improving specific volume of low voltage aluminum anode foil |
| CN104611747A (en) * | 2014-12-31 | 2015-05-13 | 日丰（清远）电子有限公司 | Production method of special aluminum foil for solid-state capacitor |
-
2001
- 2001-01-19 CN CN 01108060 patent/CN1117183C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154508B (en) * | 2006-09-26 | 2010-06-16 | 横店集团东磁有限公司 | Four-stage manufacturing method for electrode foil of high-pressure aluminum electrolytic capacitor |
| CN100524558C (en) * | 2006-11-06 | 2009-08-05 | 乳源瑶族自治县东阳光化成箔有限公司 | A low-voltage anode foil used for aluminium electrolytic capacitor and its manufacturing method |
| CN101452768B (en) * | 2006-11-08 | 2011-08-24 | 东莞万利信新材料元件有限公司 | Inspection method for inhibiting treatment process for reacting electrolytic capacitor aluminum foil oxidation film with water |
| CN101101817B (en) * | 2006-12-22 | 2010-05-12 | 东莞市东阳光电容器有限公司 | Electrolytic capacitor pure aluminium cathode foil anode oxidation production method |
| CN101235529B (en) * | 2007-11-05 | 2010-04-07 | 乳源瑶族自治县东阳光化成箔有限公司 | Method for manufacturing low-pressure chemical synthesis foil for aluminum electrolysis capacitor and middle treatment groove |
| CN101608331B (en) * | 2008-06-16 | 2010-09-08 | 吴昊 | Preparation method of porous alumina membrane |
| CN101425384B (en) * | 2008-07-24 | 2010-12-15 | 东莞市东阳光电容器有限公司 | Low voltage aluminum electrolysis capacitor formed foil production method |
| CN101425383B (en) * | 2008-07-24 | 2011-04-20 | 东莞市东阳光电容器有限公司 | Formed foil production method for low voltage high dielectric aluminum electrolysis capacitor |
| CN101423964B (en) * | 2008-07-29 | 2010-11-10 | 东莞市东阳光电容器有限公司 | Method for manufacturing foil by composite oxidation film at low pressure |
| CN102543478A (en) * | 2012-01-13 | 2012-07-04 | 西安交通大学 | Method for improving specific volume of low voltage aluminum anode foil |
| CN102543478B (en) * | 2012-01-13 | 2013-11-06 | 西安交通大学 | Method for improving specific volume of low voltage aluminum anode foil |
| CN104611747A (en) * | 2014-12-31 | 2015-05-13 | 日丰（清远）电子有限公司 | Production method of special aluminum foil for solid-state capacitor |
| CN104611747B (en) * | 2014-12-31 | 2017-06-06 | 日丰（清远）电子有限公司 | A kind of production method of solid-state capacitor aluminum foil special |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1117183C (en) | 2003-08-06 |
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Granted publication date: 20030806 Termination date: 20100219 |