CN101593628A - Five-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor - Google Patents
Five-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor Download PDFInfo
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- CN101593628A CN101593628A CNA2008100434058A CN200810043405A CN101593628A CN 101593628 A CN101593628 A CN 101593628A CN A2008100434058 A CNA2008100434058 A CN A2008100434058A CN 200810043405 A CN200810043405 A CN 200810043405A CN 101593628 A CN101593628 A CN 101593628A
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- aqueous solution
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- 239000003990 capacitor Substances 0.000 title claims abstract description 14
- 239000011888 foil Substances 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 235000019293 ammonium adipate Nutrition 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- ZRSKSQHEOZFGLJ-UHFFFAOYSA-N ammonium adipate Chemical class [NH4+].[NH4+].[O-]C(=O)CCCCC([O-])=O ZRSKSQHEOZFGLJ-UHFFFAOYSA-N 0.000 claims description 10
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 claims description 8
- 239000001741 Ammonium adipate Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- 230000003628 erosive effect Effects 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000012958 reprocessing Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention aims to solve the problems of poor storage performance of an electrode foil and prolonged service life of a capacitor, and provides a novel five-stage manufacturing method of the electrode foil of the low-voltage aluminum electrolytic capacitor, which comprises the following steps: the method for producing the electrolytic capacitor electrode foil for the low voltage of the aluminum has the advantages of high formation efficiency which can reach 220-260 percent, long high temperature service life, good storage performance and small electric leakage.
Description
Technical field
The present invention relates to the manufacture method of electrode foil for aluminum electrolytic capacitors, the manufacture method of a kind of low voltage electrode foil for aluminum electrolytic capacitor of saying so more specifically.
Background technology
The low pressure chemical synthesizing method is all adopted in the manufacturing of existing domestic electrode foil for aluminum electrolytic capacitors, and low pressure changes into three grades of employings or level Four changes into, and formation efficiency is low, poor storage performance, and it is bigger to leak electricity, and the capacitor experiment of high-temperature load time is short.
Summary of the invention
The objective of the invention is to solve the electrode foil poor storage performance and increase the problem of capacitor life-span time, a kind of five-stage manufacturing method of novel low voltage electrode foil for aluminum electrolytic capacitor is provided.
Manufacturing approach craft of the present invention is: one-level changes into → secondary changes into → three grades change into → level Four changes into → Pyatyi changes into → high-temperature process → after change into 1 → reprocessing → after change into 2, it is embodied as: the low pressure aluminium foil of the excessive erosion of learning from else's experience, purity is 99.99%, at first carrying out one-level in the aqueous solution of 60～90 ℃ of 1%～20% ammonium adipates changes into, carrying out secondary then in the aqueous solution of 60～90 ℃ of 1%～20% ammonium adipates changes into, then carrying out three grades in the aqueous solution of 60～90 ℃ of 1～20% ammonium adipates changes into, carrying out level Four and Pyatyi again changes into, change into liquid and be 1～20% ammonium adipate, temperature is 60～90 ℃, under 150～500 ℃ high temperature, heat-treat then, follow NH 1～5%
4H
2PO
450～70 ℃ of 100mA/cm250V of the aqueous solution change into 1 after changing into, temperature is 40～60 ℃ and handles in 1～8% phosphoric acid solution then, at last with after change into and change into 2 after carrying out under 1 the condition and handle, take out, oven dry obtains low voltage electrode foil for aluminum electrolytic capacitor of the present invention.
Adopt the present invention to produce aluminium low pressure with electrolytic capacitor electrode foil formation efficiency height, can reach 220%-260%, high temperature service life is long, and shelf characteric is good, and it is less to leak electricity.
Embodiment
The invention will be further described in conjunction with the embodiments:
Embodiment 1:
The learn from else's experience low pressure aluminium foil of excessive erosion, purity is 99.99%, in the aqueous solution that the ammonium adipate 4% is 70 ℃ with current density 100mA/cm
215V changed into 10 minutes, then in the aqueous solution of 70 ℃ of 4% ammonium adipates with 100mA/cm
2Current density, 26V changed into 10 minutes, carried out three grades of levels then and changed into, and three grades of conditions that change into change into one-level, formation voltage is 38V, and the time is 10 minutes, carries out level Four and Pyatyi again and changes into, change into liquid and be 3% ammonium adipate, temperature is 70 ℃, and current density is 100mA/cm
2, voltage is respectively 46V and 50V, and the time was respectively 10 minutes and 26 minutes, heat-treated under 300 ℃ high temperature 2 minutes then, followed the NH with 3%
4H
2PO
470 ℃ of 100mA/cm of the aqueous solution
250V changes into 12 minutes (afterwards changing into 1), and temperature is 50 ℃ and handles in 2% phosphoric acid solution then, at last with after change into and change into 2 after carrying out under 1 the condition and handle.
Embodiment 2:
The learn from else's experience low pressure aluminium foil of excessive erosion, purity is 99.99%, in the aqueous solution that the ammonium adipate 10% is 70 ℃ with current density 100mA/cm
215V changed into 10 minutes, then in the aqueous solution of 70 ℃ of 5% ammonium adipates with 100mA/cm
2Current density, 26V changed into 10 minutes, carried out three grades of levels then and changed into, and three grades of conditions that change into change into one-level, formation voltage is 38V, and the time is 10 minutes, carries out level Four and Pyatyi again and changes into, change into liquid and be 3% ammonium adipate, temperature is 70 ℃, and current density is 100mA/cm
2, voltage is respectively 46V and 50V, and the time was respectively 10 minutes and 26 minutes, heat-treated under 300 ℃ high temperature 2 minutes then, followed the NH with 3%
4H
2PO
470 ℃ of 100mA/cm of the aqueous solution
250V changes into 12 minutes (afterwards changing into 1), and temperature is 50 ℃ and handles in 4% phosphoric acid solution then, at last with after change into and change into 2 after carrying out under 1 the condition and handle.
Embodiment 3:
The learn from else's experience low pressure aluminium foil of excessive erosion, purity is 99.99%, in the aqueous solution that the ammonium adipate 8% is 70 ℃ with current density 100mA/cm
215V changed into 10 minutes, then in the aqueous solution of 70 ℃ of 4% ammonium adipates with 100mA/cm
2Current density, 26V changed into 10 minutes, carried out three grades of levels then and changed into, and three grades of conditions that change into change into one-level, formation voltage is 38V, and the time is 10 minutes, carries out level Four and Pyatyi again and changes into, change into liquid and be 3% ammonium adipate, temperature is 70 ℃, and current density is 100mA/cm
2, voltage is respectively 46V and 50V, and the time was respectively 10 minutes and 26 minutes, heat-treated under 300 ℃ high temperature 2 minutes then, followed the NH with 3%
4H
2PO
470 ℃ of 100mA/cm of the aqueous solution
250V changes into 12 minutes (afterwards changing into 1), and temperature is 50 ℃ and handles in 4% phosphoric acid solution then, at last with after change into and change into 2 after carrying out under 1 the condition and handle.
The result compares:
Comparative example process using wherein: get the same etched foil, at first current density 100mA/cm in the aqueous solution of 70 ℃ of 5% ammonium adipates with embodiment
225V carries out one-level and changed into 15 minutes.Then in same tank liquor respectively the voltage with 40V and 50V changed into 15 minutes and 25 minutes, then heat treatment 2 minutes under 300 ℃ condition is again with the above-mentioned liquid 100mA/cm that changes into
250V changed into 24 minutes.
The above embodiment only is preferred embodiment of the present invention, and protection range not thereby limiting the invention so the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be covered by in protection scope of the present invention.
Claims (1)
1, a kind of five-stage manufacturing method of low voltage electrode foil for aluminum electrolytic capacitor, its by one-level change into → secondary changes into → three grades change into → level Four changes into → Pyatyi changes into → high-temperature process → after change into 1 → reprocessing → after change into 2 steps and form, it is characterized in that: the low pressure aluminium foil of the excessive erosion of learning from else's experience, at first carrying out one-level in the aqueous solution of 60～90 ℃ of 1%～20% ammonium adipates changes into, carrying out secondary then in the aqueous solution of 60～90 ℃ of 1%～20% ammonium adipates changes into, then carrying out three grades in the aqueous solution of 60～90 ℃ of 1～20% ammonium adipates changes into, carrying out level Four and Pyatyi again changes into, change into liquid and be 1～20% ammonium adipate, temperature is 60～90 ℃, under 150～500 ℃ high temperature, heat-treat then, follow NH 1～5%
4H
2PO
450～70 ℃ of 100mA/cm of the aqueous solution
2Change into 1 after 50V changes into, temperature is 40～60 ℃ and handles in 1～8% phosphoric acid solution then, at last with after change into and change into 2 after carrying out under 1 the condition and handle, take out, oven dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100434058A CN101593628A (en) | 2008-05-26 | 2008-05-26 | Five-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100434058A CN101593628A (en) | 2008-05-26 | 2008-05-26 | Five-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101593628A true CN101593628A (en) | 2009-12-02 |
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ID=41408222
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|---|---|---|---|
| CNA2008100434058A Pending CN101593628A (en) | 2008-05-26 | 2008-05-26 | Five-stage manufacturing method of electrode foil of low-voltage aluminum electrolytic capacitor |
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|---|---|
| CN (1) | CN101593628A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227053A (en) * | 2013-05-15 | 2013-07-31 | 南通海星电子有限公司 | Formation treatment method for reducing leak current of middle-high voltage formed 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 |
| CN108183031A (en) * | 2018-01-03 | 2018-06-19 | 南通海星电子股份有限公司 | Mitigate the chemical synthesizing method of low-pressure chemical synthesis foil rippled edge |
| CN113035596A (en) * | 2021-05-27 | 2021-06-25 | 南通海星电子股份有限公司 | Multi-effect cathode treatment aluminum anode foil formation method |
| CN114703526A (en) * | 2022-06-07 | 2022-07-05 | 南通海星电子股份有限公司 | Preparation method of high specific volume low-voltage electrode foil for automotive electronics |
-
2008
- 2008-05-26 CN CNA2008100434058A patent/CN101593628A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227053A (en) * | 2013-05-15 | 2013-07-31 | 南通海星电子有限公司 | Formation treatment method for reducing leak current of middle-high voltage formed foil |
| CN103227053B (en) * | 2013-05-15 | 2015-08-19 | 南通海星电子股份有限公司 | Reduce the formation processing method of medium-high pressure chemical foil leakage current |
| 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 |
| CN108183031A (en) * | 2018-01-03 | 2018-06-19 | 南通海星电子股份有限公司 | Mitigate the chemical synthesizing method of low-pressure chemical synthesis foil rippled edge |
| WO2019134280A1 (en) * | 2018-01-03 | 2019-07-11 | 南通海星电子股份有限公司 | Forming method reducing wavy edge of foil formed at low pressure |
| CN108183031B (en) * | 2018-01-03 | 2019-08-06 | 南通海星电子股份有限公司 | Mitigate the chemical synthesizing method of low-pressure chemical synthesis foil rippled edge |
| CN113035596A (en) * | 2021-05-27 | 2021-06-25 | 南通海星电子股份有限公司 | Multi-effect cathode treatment aluminum anode foil formation method |
| CN113035596B (en) * | 2021-05-27 | 2021-08-13 | 南通海星电子股份有限公司 | Multi-effect cathode treatment aluminum anode foil formation method |
| CN114703526A (en) * | 2022-06-07 | 2022-07-05 | 南通海星电子股份有限公司 | Preparation method of high specific volume low-voltage electrode foil for automotive electronics |
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Open date: 20091202 |