CN1117185C - Four-stage manufacturing method of electrode foil for medium-high voltage aluminum electrolytic capacitor - Google Patents
Four-stage manufacturing method of electrode foil for medium-high voltage aluminum electrolytic capacitor Download PDFInfo
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- CN1117185C CN1117185C CN 01108062 CN01108062A CN1117185C CN 1117185 C CN1117185 C CN 1117185C CN 01108062 CN01108062 CN 01108062 CN 01108062 A CN01108062 A CN 01108062A CN 1117185 C CN1117185 C CN 1117185C
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000011888 foil Substances 0.000 title claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 title claims abstract description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 42
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims abstract description 34
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims abstract description 10
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 claims description 64
- 229940067597 azelate Drugs 0.000 claims description 32
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 238000007598 dipping method Methods 0.000 claims description 8
- 230000003628 erosive effect Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000001508 potassium citrate Substances 0.000 claims description 2
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000001509 sodium citrate Substances 0.000 claims description 2
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 claims description 2
- 235000015870 tripotassium citrate Nutrition 0.000 claims description 2
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 claims description 2
- 229940038773 trisodium citrate Drugs 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 6
- 239000000243 solution Substances 0.000 abstract 2
- 150000001536 azelaic acids Chemical class 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
- 239000004327 boric acid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- OTRAYOBSWCVTIN-UHFFFAOYSA-N OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N Chemical compound OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N OTRAYOBSWCVTIN-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
A four-stage manufacturing method of an electrode foil for a medium-high voltage aluminum electrolytic capacitor comprises the following steps: soaking aluminum foil in 95 deg.C water for 10 min, taking out, placing in 0.1-8% citric acid and 0.1-5% citrate water solution, and heating at 70-95 deg.C and 20mA/(cm)2Under the condition of 150V, the formation time is 10 minutes; taking out and washing; placing in 0.1-5% azelaic acid and 0.1-5% azelaic acid salt water solution at 85 deg.C and 20mA/(cm)2And under the condition of 300V, the formation time is 10 minutes; placing in an aqueous solution with the same secondary formation, at 85 ℃ and 20mA/(cm)2Under the condition of 430V, the formation time is 10 minutes; placing in an aqueous solution with the same secondary formation, at 85 ℃ and 20mA/(cm)2And 530V, the reaction is carried out for 10 minutes; taking out and staying in the air for 5 minutes; placing in an aqueous solution with the same secondary formation, at 85 ℃ and 20mA/(cm)2And 530V, the reaction is carried out for 10 minutes; taking out and drying. The invention has the advantages that: high production efficiency and good storage performance.
Description
The present invention relates to the manufacture method of capacitor electric pole foil, be particularly useful for the manufacture method of medium-high voltage aluminum electrolytic capacitor with electrode foil.
Before this, medium-high voltage aluminum electrolytic capacitor is such with the manufacture method of electrode foil: will be 99.99% aluminium foil through corrosive, purity, dipping is 10 minutes in 95-100 ℃ pure water, taking-up is placed in the fumaric aqueous solution of 5% boric acid and 0.1%, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 200V, one-level changed into 18 minutes; Placing 5% boric acid and 0.1% anti-butylene aqueous acid again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 430V, secondary changed into 18 minutes; Placing 5% the boric acid and 0.1 the fumaric aqueous solution again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is that the condition of 530V changed into 30 minutes for following three grades; Carry out 500 ℃ high-temperature heat treatment 3-4 minute after the taking-up; And then place the aqueous solution of the ammonium pentaborate of 5% boric acid and 0.1%, be 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 530V, changed into 11 minutes; Took out high-temperature heat treatment 3-40 minute that afterwards repeats at 500 ℃; Placing the aqueous solution of the ammonium pentaborate of 5% boric acid and 0.1% again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 530V, changes into 10-12 minute, takes out oven dry at last.The manufacture method of kind electrode paper tinsel, production efficiency is low, poor storage performance.
The four-stage manufacturing method that the objective of the invention is to overcome above-mentioned weak point and provide medium-high voltage aluminum electrolytic capacitor to use electrode foil, the production efficiency height, shelf characteric is good.
Of the present invention theing contents are as follows, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 1-15 minute in 90-100 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of the citric acid of 0.1-8% and 0.1-5%, is 20mA/ (cm) at 70-95 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 8-15 minute; Take out back water flushing; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/ (cm) at 70-95 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 8-15 minute; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/ (cm) at 70-95 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 8-15 minute; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/ (cm) at 70-95 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 8-15 minute; Take out electrolytic bath, in air, be detained 3-6 minute; Placing the aqueous solution of the azelate of 0.1-5% nonane diacid and 0.1-5% again, is 20mA/ (cm) at 70-95 ℃, current density
2, voltage is under the condition of 530V, changed into 8-15 minute; Take out oven dry at last.
Azelate is nonane diacid potassium, nonane diacid sodium, ammonium azelate; Citrate trianion is Tripotassium Citrate, Trisodium Citrate, ammonium citrate.
Advantage of the present invention: the medium-high voltage aluminum electrolytic capacitor electrode foil of making in this way, the production efficiency height, shelf characteric is good.
The electrode foil performance comparison table that the technology of the present invention and prior art are made
Production efficiency | Storage property (with storage under the condition 60 days) | ||
Volume change C After/C Former | Change T pressure rising time After/T Former | ||
Prior art | 1 | 89% | 163% |
The technology of the present invention | 1.7-3 doubly | 100% | 102% |
Embodiment 1, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 1 minute in 90 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of 0.1% citric acid and 0.1%, is 20mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 8 minutes; Take out back water flushing; Placing the aqueous solution of the azelate of 0.1% nonane diacid and 0.1% again, is 20mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 8 minutes; Placing the aqueous solution of the azelate of 0.1% nonane diacid and 0.1% again, is 20mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 8 minutes; Placing the aqueous solution of the azelate of 0.1% nonane diacid and 0.1% again, is 20mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 8 minutes; Take out electrolytic bath, in air, be detained 3 minutes; Placing the aqueous solution of the azelate of 0.1% nonane diacid and 0.1% again, is 20mA/ (cm) at 70 ℃, current density
2, voltage is under the condition of 530V, changed into 8 minutes; Take out oven dry at last.
Embodiment 2, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 15 minutes in 100 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of 8% citric acid and 5%, is 20mA/ (cm) at 95 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 15 minutes; Take out back water flushing; Placing the aqueous solution of the azelate of 5% nonane diacid and 5% again, is 20mA/ (cm) at 95 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 15 minutes; Placing the aqueous solution of the azelate of 5% nonane diacid and 5% again, is 20mA/ (cm) at 95 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 15 minutes; Placing the aqueous solution of the azelate of 5% nonane diacid and 5% again, is 20mA/ (cm) at 95 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 15 minutes; Take out electrolytic bath, in air, be detained 6 minutes; Placing the aqueous solution of the azelate of 5% nonane diacid and 5% again, is 20mA/ (cm) at 95 ℃, current density
2, voltage is under the condition of 530V, changed into 15 minutes; Take out oven dry at last.
Embodiment 3, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 7 minutes in 95 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of 4% citric acid and 3%, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 7 minutes; Take out back water flushing; Placing the aqueous solution of the azelate of 3% nonane diacid and 3% again, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 7 minutes; Placing the aqueous solution of the azelate of 3% nonane diacid and 3% again, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 7 minutes; Placing the aqueous solution of the azelate of 3% nonane diacid and 3% again, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 7 minutes; Take out electrolytic bath, in air, be detained 5 minutes; Placing the aqueous solution of the azelate of 3% nonane diacid and 3% again, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 530V, changed into 7 minutes; Take out oven dry at last.
Embodiment 4, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 8 minutes in 95 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of 1% citric acid and 4.5%, is 20mA/ (cm) at 75 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 9 minutes; Take out back water flushing; Placing the aqueous solution of the azelate of 2% nonane diacid and 3.5% again, is 20mA/ (cm) at 80 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 11 minutes; Placing the aqueous solution of the azelate of 3% nonane diacid and 2.5% again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 13 minutes; Placing the aqueous solution of the azelate of 3.5% nonane diacid and 2% again, is 20mA/ (cm) at 83 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 14 minutes; Take out electrolytic bath, in air, be detained 4 minutes; Placing the aqueous solution of the azelate of 4% nonane diacid and 1.5% again, is 20mA/ (cm) at 90 ℃, current density
2, voltage is under the condition of 530V, changed into 14 minutes; Take out oven dry at last.
Embodiment 5, medium-high voltage aluminum electrolytic capacitor is with the four-stage manufacturing method of electrode foil: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 5 minutes in 94 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of 7% citric acid and 2%, is 20mA/ (cm) at 90 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 14 minutes; Take out back water flushing; Placing the aqueous solution of the azelate of 4.5% nonane diacid and 1% again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 13 minutes; Placing the aqueous solution of the azelate of 3% nonane diacid and 2% again, is 20mA/ (cm) at 85 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 11 minutes; Placing the aqueous solution of the azelate of 2.5% nonane diacid and 2.6% again, is 20mA/ (cm) at 83 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 9 minutes; Take out electrolytic bath, in air, be detained 5 minutes; Placing the aqueous solution of the azelate of 2% nonane diacid and 4% again, is 20mA/ (cm) at 75 ℃, current density
2, voltage is under the condition of 530V, changed into 10 minutes; Take out oven dry at last.
Claims (2)
1, the medium-high voltage aluminum electrolytic capacitor four-stage manufacturing method of electrode foil, it is characterized in that: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, dipping is 1-5 minute in 90-100 ℃ pure water, taking-up is placed in the aqueous solution of Citrate trianion of the citric acid of 0.1-8% and 0.1-5%, is 20mA/cm at 70-95 ℃, current density
2, voltage is under the condition of 150V, one-level changed into 8-15 minute; Take out back water flushing; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/cm at 70-95 ℃, current density
2, voltage is under the condition of 300V, secondary changed into 8-15 minute; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/cm at 70-95 ℃, current density
2, voltage is under the condition of 430V, three grades changed into 8-15 minute; Placing the aqueous solution of the azelate of the nonane diacid of 0.1-5% and 0.1-5% again, is 20mA/cm at 70-95 ℃, current density
2, voltage is under the condition of 530V, level Four changed into 8-15 minute; Take out electrolytic bath, in air, be detained 3-6 minute; Placing the aqueous solution of the azelate of 0.1-5% nonane diacid and 0.1-5% again, is 20mA/cm at 70-95 ℃, current density
2, voltage is under the condition of 530V, changed into 8-15 minute; Take out oven dry at last.
2, the medium-high voltage aluminum electrolytic capacitor according to claim 1 four-stage manufacturing method of electrode foil, it is characterized in that: azelate is nonane diacid potassium, nonane diacid sodium, ammonium azelate; Citrate trianion is Tripotassium Citrate, Trisodium Citrate, ammonium citrate.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1892936B (en) * | 2006-04-05 | 2010-05-12 | 江苏中联科技集团有限公司 | Chemical synthesizing method of reducing electrode foil current-leakage for aluminium electrolysis capacitor |
CN105369320A (en) * | 2014-08-13 | 2016-03-02 | 东莞市东阳光电容器有限公司 | Electrode foil forming agent and manufacturing method for high-pressure formed foil |
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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 |
CN101748462A (en) * | 2010-03-20 | 2010-06-23 | 宜都东阳光化成箔有限公司 | Formation method of anode aluminum foil for high-voltage aluminum electrolytic capacitor |
CN101826397B (en) * | 2010-04-27 | 2011-09-07 | 四川中雅科技有限公司 | Five-stage manufacturing method of electrode foil for medium-high voltage aluminium electrolytic capacitor |
CN101819886B (en) * | 2010-04-27 | 2011-09-07 | 四川中雅科技有限公司 | Method for manufacturing electrode foil capable of preventing current jump during formation |
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 |
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CN107502937B (en) * | 2017-08-10 | 2019-05-14 | 佛山科学技术学院 | Reduce the chemical synthesizing method of low-pressure chemical synthesis foil leakage current |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1892936B (en) * | 2006-04-05 | 2010-05-12 | 江苏中联科技集团有限公司 | Chemical synthesizing method of reducing electrode foil current-leakage for aluminium electrolysis capacitor |
CN105369320A (en) * | 2014-08-13 | 2016-03-02 | 东莞市东阳光电容器有限公司 | Electrode foil forming agent and manufacturing method for high-pressure formed foil |
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