CN103160902A - Middle-high voltage electrode foil five-section formation two-stage liquid feed production method - Google Patents
Middle-high voltage electrode foil five-section formation two-stage liquid feed production method Download PDFInfo
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Abstract
The invention discloses a middle-high voltage electrode foil five-section formation two-stage liquid feed production method which sequentially comprises the following steps of hydration processing, one-stage formation processing, two-stage formation processing, one-stage feed, three-stage formation processing, four-stage formation processing, two-stage feed, five-stage formation one-section processing, first roasting, five-stage formation second-section processing, phosphating, five-stage formation three-section processing, second roasting, five-stage formation four-section processing, and post-processing. According to the production method, through improvement on a production procedure, process innovation is matched, the speed of production of products in the same specification is promoted by 30-50%, and performance indexes of pressure rising time, leakage currents, withstand voltage after boiling, the specific volume and the like are effectively improved.
Description
Technical field
The present invention relates to a kind of production method of electrode foil, relate in particular to 5 sections of a kind of mesohigh electrode foils and change into 2 grades of liquid feedback production methods.
Background technology
Changing into of aluminium foil is one of critical process of making aluminium anode foil.Changing into of aluminium foil is exactly to utilize electrochemical principle, and aluminium foil is carried out anodic oxidation, and the Sauerstoffatom in water is combined with the aluminium atom.Thereby form the oxide film dielectric layer of one deck ability specific voltage at aluminium foil surface.Change into and be divided into the series such as phosphoric acid system, boric acid system, hexanodioic acid system and non-water system by the forming liquid kind and change into; Can be divided into protective membrane by the oxide film purposes changes into medium layer and changes into.The former requires forming liquid to aluminium foil and established pellumina, certain solvability to be arranged, in order to form the porous oxide film protective layer, the latter require forming liquid to aluminium and pellumina without solvability.At present, change into that production line mostly is that 4 sections of 1 grade of liquid feeds change into or 5 sections change into, be subjected to the restriction of equipment and technical process, the production speed of a motor vehicle and Waste Acid From Hua Cheng Foil oxide film dielectric properties room for promotion are little.
Summary of the invention
Problem for above-mentioned prior art existence, the object of the invention is to provide 5 sections of a kind of mesohigh electrode foils to change into 2 grades of liquid feedback production methods, by the improvement to Production Flow Chart, be equipped with the innovation of technique, make the production speed of a motor vehicle of same size product promote 30～50%, the product performance indexs such as withstand voltage after pressure rising time, leakage current and poach, specific volume are effectively improved.
Technical scheme of the present invention is: 5 sections of a kind of mesohigh electrode foils change into 2 grades of liquid feedback production methods, and the method comprises the following steps successively: hydration-treated, one-level change into processing, secondary and change into processing, one-level feed, three grades and change into processing, level Four and change into processing, two stage feeding, Pyatyi and change into one section processing, roasting for the first time, Pyatyi and change into two sections processing, bonderizing, Pyatyis and change into three sections processing, roasting for the second time, Pyatyis and change into four sections processing, aftertreatment.
As preferably, one-level is changed into aluminium foil after processing carry out water and rinse.
As preferably, the method concrete steps are as follows:
Hydration-treated: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, be placed in the pure water of 90-100 ℃ to flood 1～20 minute;
One-level changes into processing: the aluminium foil after hydration-treated being taken out be placed in 1～10% boric acid, in the aqueous solution of 0.1～5% ammonium adipate, is then 5～50mA/cm at 60～95 ℃, current density
2Voltage is under the condition of 80～150V, carries out one-level and changes into 2～30 minutes
Secondary changes into processing: one-level is changed into the ammonium adipate aqueous solution that aluminium foil after processing is placed in 1～10% boric acid and 0.1～5% again, is then 5～50mA/cm at 60～95 ℃, current density
2Voltage is under the condition of 160～300V, carries out secondary and changes into 2～30 minutes;
The one-level feed: the aluminium foil that secondary is changed into after processing is placed in 20～50% ammonium adipate the first feed grooves, is that the feed liquid of 10～30 ℃ is applied to voltage on etched foil by temperature;
Three grades change into processing: the aluminium foil after the one-level feed being placed in again the ammonium adipate aqueous solution of 1～10% boric acid and 0.1～5%, is then 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 320～420V, carries out three grades and changes into 2～30 minutes;
Level Four changes into processing: the aluminium foil after three grades are changed into is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is then 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 460～530V, carries out level Four and changes into 2～30 minutes;
Two stage feeding: the aluminium foil that level Four is changed into after processing is placed in 20～50% ammonium adipate the second feed grooves, is that the feed liquid of 10～30 ℃ is applied to voltage on etched foil by temperature.
Pyatyi changes into one section processing: the aluminium foil after two stage feeding is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, and then at 60～95 ℃, current density is 5～50mA/cm
2, voltage is under the condition of 540～630V, carries out Pyatyi and changes into 10～50 minutes;
Roasting for the first time: the aluminium foil after Pyatyi is changed into takes out from electrolytic bath, carries out the high-temperature heat treatment 2～6 minutes of 450～550 ℃;
Pyatyi changes into two sections processing: the aluminium foil after roasting for the first time is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Bonderizing: Pyatyi is changed into two sections aluminium foils after processing be placed in 1～10% phosphoric acid solution take temperature as 40～80 ℃ and processed 2～15 minutes;
Pyatyi changes into three sections processing: the aluminium foil after bonderizing is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Roasting for the second time: Pyatyi is changed into three sections aluminium foils after processing take out from electrolytic bath, carry out the high-temperature heat treatment 2～6 minutes of 400～550 ℃;
Pyatyi changes into four sections processing: the aluminium foil after roasting for the second time is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Aftertreatment: Pyatyi is changed into four sections aluminium foils after processing processed 2～20 minutes at take temperature as the condition of 50～90 ℃ in 0.1～8% phosphate solution, take out at last, oven dry.
The invention has the beneficial effects as follows: by to the improvement of Production Flow Chart and the innovation of technique, make the production speed of a motor vehicle of same size product promote 30-50%, improved production efficiency, the product performance indexs such as withstand voltage after pressure rising time, leakage current and poach, specific volume are effectively improved, and have reduced production cost.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1: 5 sections of a kind of mesohigh electrode foils change into 2 grades of liquid feedback production methods, and the method comprises the following steps successively:
Hydration-treated: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, is placed in the pure water of 95 ℃ dipping 10 minutes;
One-level changes into processing: the aluminium foil after hydration-treated being taken out be placed in 1% boric acid, in the aqueous solution of 1% ammonium adipate, is then 20mA/cm at 80 ℃, current density
2Voltage is under the condition of 140V, carries out one-level and changes into 6 minutes;
One-level is changed into aluminium foil after processing carries out water and rinses;
Secondary changes into processing: one-level is changed into the ammonium adipate aqueous solution that aluminium foil after processing is placed in 1% boric acid and 0.8% again, is then 20mA/cm at 80 ℃, current density
2Voltage is under the condition of 260V, carries out secondary and changes into 6 minutes;
The one-level feed: secondary is changed into aluminium foil after processing through 20% ammonium adipate the first feed groove, is that the feed liquid of 10 ℃ is applied to voltage on etched foil by temperature;
Three grades change into processing: the aluminium foil after the one-level feed being placed in again the ammonium adipate aqueous solution of 2% boric acid and 0.6%, is then 20mA/cm at 80 ℃, current density
2, voltage is under the condition of 400V, carries out three grades and changes into 6 minutes;
Level Four changes into processing: the aluminium foil after three grades are changed into is placed in 2.5% boric acid and 0.5% the ammonium pentaborate aqueous solution again, is then 20mA/cm at 80 ℃, current density
2, voltage is under the condition of 500V, carries out level Four and changes into 6 minutes;
Two stage feeding: level Four is changed into aluminium foil after processing by 20% ammonium adipate the second feed groove, is that the feed liquid of 10 ℃ is applied to voltage on etched foil by temperature;
Pyatyi changes into one section processing: the aluminium foil after two stage feeding is placed in 3% boric acid and 0.3% the ammonium pentaborate aqueous solution again, and then at 80 ℃, current density is 20mA/cm
2, voltage is under the condition of 560V, carries out Pyatyi and changes into 25 minutes;
Roasting for the first time: the aluminium foil after Pyatyi is changed into takes out from electrolytic bath, carries out the high-temperature heat treatment 2 minutes of 450 ℃;
Pyatyi changes into two sections processing: the aluminium foil after roasting for the first time is placed in 3% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 20mA/cm at 80 ℃, current density
2, voltage is under the condition of 560V, changes into 6 minutes;
Bonderizing: Pyatyi is changed into two sections aluminium foils after processing be placed in 8% phosphoric acid solution take temperature as 50 ℃ and processed 5 minutes;
Pyatyi changes into three sections processing: the aluminium foil after bonderizing is placed in 3% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 20mA/cm at 80 ℃, current density
2, voltage is under the condition of 560V, changes into 6 minutes;
Roasting for the second time: Pyatyi is changed into three sections aluminium foils after processing take out from electrolytic bath, carry out the high-temperature heat treatment 2 minutes of 400 ℃;
Pyatyi changes into four sections processing: the aluminium foil after roasting for the second time is placed in 3% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 20mA/cm at 80 ℃, current density
2, voltage is under the condition of 560V, changes into 6 minutes;
Aftertreatment: Pyatyi is changed into four sections aluminium foils after processing processed 5 minutes at take temperature as the condition of 60 ℃ in 0.5% phosphate solution, take out at last, oven dry.
Embodiment 2: 5 sections of a kind of mesohigh electrode foils change into 2 grades of liquid feedback production methods, and the method comprises the following steps successively:
Hydration-treated: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, is placed in the pure water of 95 ℃ dipping 12 minutes;
One-level changes into processing: the aluminium foil after hydration-treated being taken out be placed in 1.5% boric acid, in the aqueous solution of 0.8% ammonium adipate, is then 25mA/cm at 85 ℃, current density
2Voltage is under the condition of 140V, carries out one-level and changes into 10 minutes;
One-level is changed into aluminium foil after processing carries out water and rinses;
Secondary changes into processing: one-level is changed into the ammonium adipate aqueous solution that aluminium foil after processing is placed in 1.5% boric acid and 0.7% again, is then 25mA/cm at 85 ℃, current density
2Voltage is under the condition of 260V, carries out secondary and changes into 10 minutes;
The one-level feed: secondary is changed into aluminium foil after processing through 20% ammonium adipate the first feed groove, is that the feed liquid of 20 ℃ is applied to voltage on etched foil by temperature;
Three grades change into processing: the aluminium foil after the one-level feed being placed in again the ammonium adipate aqueous solution of 2.5% boric acid and 0.6%, is then 25mA/cm at 85 ℃, current density
2, voltage is under the condition of 400V, carries out three grades and changes into 10 minutes;
Level Four changes into processing: the aluminium foil after three grades are changed into is placed in 3% boric acid and 0.4% the ammonium pentaborate aqueous solution again, is then 25mA/cm at 85 ℃, current density
2, voltage is under the condition of 500V, carries out level Four and changes into 10 minutes;
Two stage feeding: level Four is changed into aluminium foil after processing by 20% ammonium adipate the second feed groove, is that the feed liquid of 20 ℃ is applied to voltage on etched foil by temperature;
Pyatyi changes into one section processing: the aluminium foil after two stage feeding is placed in 3.5% boric acid and 0.3% the ammonium pentaborate aqueous solution again, and then at 85 ℃, current density is 25mA/cm
2, voltage is under the condition of 560V, carries out Pyatyi and changes into 25 minutes;
Roasting for the first time: the aluminium foil after Pyatyi is changed into takes out from electrolytic bath, carries out the high-temperature heat treatment 2.5 minutes of 500 ℃;
Pyatyi changes into two sections processing: the aluminium foil after roasting for the first time is placed in 3.5% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 25mA/cm at 85 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Bonderizing: Pyatyi is changed into two sections aluminium foils after processing be placed in 8% phosphoric acid solution take temperature as 60 ℃ and processed 10 minutes;
Pyatyi changes into three sections processing: the aluminium foil after bonderizing is placed in 3.5% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 25mA/cm at 85 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Roasting for the second time: Pyatyi is changed into three sections aluminium foils after processing take out from electrolytic bath, carry out the high-temperature heat treatment 2.5 minutes of 420 ℃;
Pyatyi changes into four sections processing: the aluminium foil after roasting for the second time is placed in 3.5% boric acid and 0.2% the ammonium pentaborate aqueous solution again, is 25mA/cm at 85 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Aftertreatment: Pyatyi is changed into four sections aluminium foils after processing processed 6 minutes at take temperature as the condition of 50 ℃ in 2% phosphate solution, take out at last, oven dry.
Embodiment 3: 5 sections of a kind of mesohigh electrode foils change into 2 grades of liquid feedback production methods, and the method comprises the following steps successively:
Hydration-treated: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, is placed in the pure water of 96 ℃ dipping 15 minutes;
One-level changes into processing: the aluminium foil after hydration-treated being taken out be placed in 4% boric acid, in the aqueous solution of 0.8% ammonium adipate, is then 40mA/cm at 88 ℃, current density
2Voltage is under the condition of 140V, carries out one-level and changes into 10 minutes;
One-level is changed into aluminium foil after processing carries out water and rinses;
Secondary changes into processing: one-level is changed into the ammonium adipate aqueous solution that aluminium foil after processing is placed in 4% boric acid and 0.6% again, is then 40mA/cm at 88 ℃, current density
2Voltage is under the condition of 260V, carries out secondary and changes into 10 minutes;
The one-level feed: secondary is changed into aluminium foil after processing through 20% ammonium adipate the first feed groove, is that the feed liquid of 20 ℃ is applied to voltage on etched foil by temperature;
Three grades change into processing: the aluminium foil after the one-level feed being placed in again the ammonium adipate aqueous solution of 4% boric acid and 0.5%, is then 40mA/cm at 88 ℃, current density
2, voltage is under the condition of 400V, carries out three grades and changes into 10 minutes;
Level Four changes into processing: the aluminium foil after three grades are changed into is placed in 4% boric acid and 0.3% the ammonium pentaborate aqueous solution again, is then 40mA/cm at 88 ℃, current density
2, voltage is under the condition of 500V, carries out level Four and changes into 10 minutes;
Two stage feeding: level Four is changed into aluminium foil after processing by 20% ammonium adipate the second feed groove, is that the feed liquid of 20 ℃ is applied to voltage on etched foil by temperature;
Pyatyi changes into one section processing: the aluminium foil after two stage feeding is placed in 5.5% boric acid and 0.15% the ammonium pentaborate aqueous solution again, and then at 88 ℃, current density is 40mA/cm
2, voltage is under the condition of 560V, carries out Pyatyi and changes into 30 minutes;
Roasting for the first time: the aluminium foil after Pyatyi is changed into takes out from electrolytic bath, carries out the high-temperature heat treatment 2 minutes of 500 ℃;
Pyatyi changes into two sections processing: the aluminium foil after roasting for the first time is placed in 5.5% boric acid and 0.1% the ammonium pentaborate aqueous solution again, is 40mA/cm at 88 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Bonderizing: Pyatyi is changed into two sections aluminium foils after processing be placed in 8% phosphoric acid solution take temperature as 60 ℃ and processed 15 minutes;
Pyatyi changes into three sections processing: the aluminium foil after bonderizing is placed in 5.5% boric acid and 0.1% the ammonium pentaborate aqueous solution again, is 40mA/cm at 88 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Roasting for the second time: Pyatyi is changed into three sections aluminium foils after processing take out from electrolytic bath, carry out the high-temperature heat treatment 2 minutes of 500 ℃;
Pyatyi changes into four sections processing: the aluminium foil after roasting for the second time is placed in 5.5% boric acid and 0.1% the ammonium pentaborate aqueous solution again, is 40mA/cm at 88 ℃, current density
2, voltage is under the condition of 560V, changes into 10 minutes;
Aftertreatment: Pyatyi is changed into four sections aluminium foils after processing processed 10 minutes at take temperature as the condition of 50 ℃ in 5% phosphate solution, take out at last, oven dry.
Following table be prior art and the embodiment of the present invention 1,2,3 electrode foils of producing Performance Ratio.
| Item compared | Pressure rising time (S) | Leakage current | Tr120(S) |
| Prior art | 165 | 61 | 32 |
| Embodiment 1 | 138 | 40 | 20 |
| Embodiment 2 | 132 | 32 | 17 |
| Embodiment 3 | 130 | 33 | 15 |
Claims (3)
1. 5 sections of mesohigh electrode foils change into 2 grades of liquid feedback production methods, and it is characterized in that: the method comprises the following steps successively: hydration-treated, one-level change into processing, secondary and change into processing, one-level feed, three grades and change into processing, level Four and change into processing, two stage feeding, Pyatyi and change into one section processing, roasting for the first time, Pyatyi and change into two sections processing, bonderizing, Pyatyis and change into three sections processing, roasting for the second time, Pyatyis and change into four sections processing, aftertreatment.
2. 5 sections of mesohigh electrode foils according to claim 1 change into 2 grades of liquid feedback production methods, it is characterized in that: one-level is changed into aluminium foil after processing carry out water and rinse.
3. 5 sections of mesohigh electrode foils according to claim 1 and 2 change into 2 grades of liquid feedback production methods, and it is characterized in that: the method concrete steps are as follows:
Hydration-treated: the excessive erosion of learning from else's experience, purity is 99.99% aluminium foil, be placed in the pure water of 90-100 ℃ to flood 1～20 minute;
One-level changes into processing: the aluminium foil after hydration-treated being taken out be placed in 1～10% boric acid, in the aqueous solution of 0.1～5% ammonium adipate, is then 5～50mA/cm at 60～95 ℃, current density
2Voltage is under the condition of 80～150V, carries out one-level and changes into 2～30 minutes
Secondary changes into processing: one-level is changed into the ammonium adipate aqueous solution that aluminium foil after processing is placed in 1～10% boric acid and 0.1～5% again, is then 5～50mA/cm at 60～95 ℃, current density
2Voltage is under the condition of 160～300V, carries out secondary and changes into 2～30 minutes;
The one-level feed: the aluminium foil that secondary is changed into after processing is placed in 20～50% ammonium adipate the first feed grooves, is that the feed liquid of 10～30 ℃ is applied to voltage on etched foil by temperature;
Three grades change into processing: the aluminium foil after the one-level feed being placed in again the ammonium adipate aqueous solution of 1～10% boric acid and 0.1～5%, is then 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 320～420V, carries out three grades and changes into 2～30 minutes;
Level Four changes into processing: the aluminium foil after three grades are changed into is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is then 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 460～530V, carries out level Four and changes into 2～30 minutes;
Two stage feeding: the aluminium foil that level Four is changed into after processing is placed in 20～50% ammonium adipate the second feed grooves, is that the feed liquid of 10～30 ℃ is applied to voltage on etched foil by temperature.
Pyatyi changes into one section processing: the aluminium foil after two stage feeding is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, and then at 60～95 ℃, current density is 5～50mA/cm
2, voltage is under the condition of 540～630V, carries out Pyatyi and changes into 10～50 minutes;
Roasting for the first time: the aluminium foil after Pyatyi is changed into takes out from electrolytic bath, carries out the high-temperature heat treatment 2～6 minutes of 450～550 ℃;
Pyatyi changes into two sections processing: the aluminium foil after roasting for the first time is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Bonderizing: Pyatyi is changed into two sections aluminium foils after processing be placed in 1～10% phosphoric acid solution take temperature as 40～80 ℃ and processed 2～15 minutes;
Pyatyi changes into three sections processing: the aluminium foil after bonderizing is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Roasting for the second time: Pyatyi is changed into three sections aluminium foils after processing take out from electrolytic bath, carry out the high-temperature heat treatment 2～6 minutes of 400～550 ℃;
Pyatyi changes into four sections processing: the aluminium foil after roasting for the second time is placed in 1～10% boric acid and 0.05～4% the ammonium pentaborate aqueous solution again, is 5～50mA/cm at 60～95 ℃, current density
2, voltage is under the condition of 520～630V, changes into 2～40 minutes;
Aftertreatment: Pyatyi is changed into four sections aluminium foils after processing processed 2～20 minutes at take temperature as the condition of 50～90 ℃ in 0.1～8% phosphate solution, take out at last, oven dry.
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