CN102324324A - Method for preparing 100-150V of low-voltage foil - Google Patents
Method for preparing 100-150V of low-voltage foil Download PDFInfo
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- CN102324324A CN102324324A CN 201110194980 CN201110194980A CN102324324A CN 102324324 A CN102324324 A CN 102324324A CN 201110194980 CN201110194980 CN 201110194980 CN 201110194980 A CN201110194980 A CN 201110194980A CN 102324324 A CN102324324 A CN 102324324A
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- 239000011888 foil Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims abstract description 22
- 238000009736 wetting Methods 0.000 claims abstract description 20
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 239000005030 aluminium foil Substances 0.000 claims description 71
- 238000012545 processing Methods 0.000 claims description 25
- 239000000243 solution Substances 0.000 claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000013459 approach Methods 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000003786 synthesis reaction Methods 0.000 claims description 17
- 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 13
- 239000001741 Ammonium adipate Substances 0.000 claims description 13
- 235000019293 ammonium adipate Nutrition 0.000 claims description 13
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 11
- 238000002161 passivation Methods 0.000 claims description 9
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 8
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 8
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 8
- 238000012958 reprocessing Methods 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 238000002791 soaking Methods 0.000 abstract 2
- 239000002736 nonionic surfactant Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001272567 Hominoidea Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention relates to a method for preparing a 100-150V of low-voltage foil. The method comprises the following steps of: performing a soaking treatment step A: soaking an aluminum foil which is subjected to corrosion surface expansion in a wetting dispersion liquid, wherein the wetting dispersion liquid is an aqueous solution of a non-ionic surfactant of which the hydrophile lipophile balance (HLB) value is 11-15; and performing multi-stage treatment on the aluminum foil which is subjected to corrosion surface expansion. Due to the adoption of the method for preparing the low-voltage foil, a stable oxidation film can be produced, subsequent loss caused by the formed specific surface area of the aluminum foil is reduced, and the aim of comprehensively improving the electrostatic capacity and water resistance of the aluminum foil is fulfilled.
Description
Technical field
The present invention relates to a kind of preparation method of capacitor aluminium foil, more particularly, the present invention relates to the manufacturing approach of a kind of electrolytic capacitor with low-voltage anode foil.
Background technology
Aluminium electrolytic capacitor is a kind of energy-storage travelling wave tube, in circuit, is used for tuning, filtering, coupling, bypass, power conversion and time-delay, thereby is widely used in many relevant industries such as electronic apparatus.Now, along with the progress and the industrial expansion of science and technology, also more and more urgent to the requirement of electric equipment products miniaturization, portability; Simultaneously, the electrical property aspect to electrolytic capacitor also proposes increasingly high requirement.
The volume of low-voltage aluminum electrolytic capacitor mainly receives the restriction of anode foils (promptly changing into paper tinsel) static capacity, and the quality that changes into the performances such as resistance to water of paper tinsel also directly influences the electrical property of capacitor.The static capacity of anode foils is high more, and the volume of capacitor just can be done more for a short time; And the static capacity of anode foils is directly proportional with dielectric constant, the specific area of anode oxide film; Be inversely proportional to the thickness of oxide-film.The thickness of oxide-film depends on the operating voltage of capacitor, decides according to the needs of complete machine.In order to improve the static capacity of anode foils, tradition is to adopt the method for the dielectric constant of the specific area that improves electrode foil and oxide-film; The dielectric constant of oxide-film then is the kind decision by oxide-film, Al usually
2O
3Dielectric constant be 7～8 to be definite values; And corrosion treatment then is increasing specific surface area, the important process step that forms oxide-film.
Corrosion aluminium foil later also must be through changing into processing, so that the generation principal component is that the deielectric-coating of aluminium oxide is an oxide-film on the electrode foil after the corrosion.Yet the oxide-film that in changing into the long-time process of processing, forms possibly block a considerable amount of pores on the etched foil, makes the pit that generated on the etched foil and the specific area of formation thereof reduce, and causes the static capacity of electrode foil to reduce.
How to be directed against the above-mentioned shortcoming of electrolytic capacitor with traditional forming technology of low-pressure chemical synthesis foil, to solve the destruction of subsequent technique for the static capacity of corrosion treatment formation, be the technical barrier that the industry urgent need cracks always.
Summary of the invention
The problems referred to above to conventional art; The invention provides a kind of manufacturing approach of 100～150V low-pressure chemical synthesis foil; It has following advantage: can generate firm oxide-film simultaneously; Reduce follow-up changing into and formed the loss that specific area is brought, reach the comprehensive purpose that improves aluminium foil static capacity and water resistance for aluminium foil.
For this reason; Technical solution of the present invention is a kind of manufacturing approach of 100～150V low-pressure chemical synthesis foil; Comprise changing into processing through the aluminium foil of corrosion behind the expansion face is multistage; And said multistage change into processing before, soak into treatment step A earlier as follows: will in wetting dispersion liquid, soak into processing through the aluminium foil of corrosion behind the expansion face; This wetting dispersion liquid is hydrophilic lipophilic balance HLB at the aqueous solution of 11～15 non-ionic surface active agent.
Possibly bring the analysis of loss to find on the basis for preceding place hole that aluminium foil forms and specific area follow-up changing into; In order to reduce the problem that oxide-film due to the subsequent treatment blocks pore; The manufacturing approach of low-pressure chemical synthesis foil of the present invention is optimized before changing into step originally as follows in addition: etched foil carry out anodised change into processing before; The Ricinate that water oil equilibrium valve HLB prepares at 11～15 non-ionic surface active agent soaks into it; Embodiment of the invention measured data proves: method of the present invention can effectively reduce follow-up changing into for aluminium foil and form the loss that specific area is brought, reaches comprehensive raising aluminium foil specific volume and water-fast purpose of closing performance.
Measured data is improved fully to be proved; Method of the present invention has realized following improvement mechanism: moistening dispersion liquid can infiltrate in the existing hole drives away the bubble that possibly accumulate; Aluminium foil surface can also adhere to the layer of surface activating agent; Drop into aluminium foil to change in the subsequent treatment liquid again and wait when handling, under the fully stable prerequisite of the moistening dispersion liquid little interference subsequent treatment liquid of assurance, treatment fluid composition, effectively improve the aluminium foil interfacial tension; One can effectively eliminate the bubble in the corrosion hole; Thereby prevent that the opening part of a large amount of pores from forming the pore of oxide-film shutoff etched foil, two come the most of pore that enters into etched foil that subsequent treatment liquid just can be very fast to react, and are convenient to form firm oxide film dielectric layer in the inner surface of pore.
In order further to improve, stablize wetting dispersion liquid to through the improving effect, prevent that other unnecessary physics and chemistry from disturbing of the aluminium foil interfacial tension of corrosion behind the expansion face, manufacturing approach of the present invention also comprises following improvement:
Non-ionic surface active agent in the said wetting dispersion liquid is an APEO.
Non-ionic surface active agent molecular structure in the said wetting dispersion liquid is R (OCH
2CH
2)
nH, wherein n=9～12.
Concentration in the said wetting dispersion liquid is 0.1～1ml/L.
In order further to improve the efficient and the effect of wetting dispersion treatment, manufacturing approach of the present invention also comprises following improvement:
The temperature of wetting dispersion liquid is controlled to be 10～50 ℃ in the said steps A, and the infiltration processing time is 0.5～5min.
The temperature of wetting dispersion liquid is controlled to be 20～30 ℃ in the said steps A, and the infiltration processing time is 1～3min; The concentration of non-ionic surface active agent is 0.1～0.5ml/L.
To handle in order cooperating to soak into, further to consolidate static capacity and the resistance to water that improves aluminium foil from subsequent step, manufacturing approach of the present invention also comprises on the following subsequent step to be improved:
Step B: the aluminium foil that will soak into carries out the multistage processing that changes in ammonium adipate solution;
Step C: the aluminium foil after multistage the changing into is cleaned, in phosphoric acid solution, carry out Passivation Treatment then;
Step D: the aluminium foil after the passivation is cleaned, then heat treatment under air atmosphere.
Step e: place ammonium dihydrogen phosphate to become voltage to repair on the aluminium foil after the heat treatment and change into processing with the multistage maximum that changes into processing procedure;
Step F: the aluminium foil after repairing changed into cleans heat treatment once more under air atmosphere then once more;
Step G: the aluminium foil after the heat treatment places ammonium dihydrogen phosphate to carry out reprocessing once more;
Step H: the aluminium foil after the reprocessing is placed air oven dry, rolling.
Said step B adopts three grades and changes into processing, adopts maximum to become 40% ± 3%, 70% ± 3%, 100% change into of voltage successively; Saidly change into that handle to use ammonium adipate solution concentration be 0.2～0.5mol/L, temperature is 70～90 ℃, the constant voltage time 5～15min that change at different levels.
Among the said step C, phosphoric acid solution concentration is that 0.2～0.4mol/L, temperature are 40～60 ℃, soak time 1～3min.
The heat treatment of said step D is after the aluminium foil of handling through phosphoric acid is cleaned with pure water, directly to place 400～450 ℃ air atmosphere to handle 1～5min without other process; The heat treatment of said step F is after aluminium foil cleaned with pure water after repairing was changed into, in 500～580 ℃ air atmosphere, to handle 2～6min.
The inventive method experiment effect discloses: tradition is handled with phosphoric acid changing into the paper tinsel list; Can only open the blocked hole of aluminium foil surface; And before phosphoric acid is handled, with 400～450 ℃ temperature aluminium foil is heat-treated; The inner blocked hole of aluminium foil is opened, and the air that is wrapped in the hole also is released out, then aluminium foil remake to repair and change into processing and then can in the hole of opening, form oxide-film again; Finally reach and improve the aluminium foil static capacity, coating mass is also better guaranteed.
Measured data proves that the manufacturing approach of low-pressure chemical synthesis foil of the present invention can improve the about 4-9% of static capacity, significantly improve water resistance etc., and is remarkable for the certain effect of whole premium properties that realizes low-pressure chemical synthesis foil.
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment
Embodiment 1:
Making operating voltage according to method of the present invention is the aluminium foil of 80V, sets maximum and becomes voltage (formation voltage) to be 105V, specific as follows:
1) will place 25 ℃ through the aluminium foil of corrosion behind the expansion face, concentration is to soak into 2min in the wetting dispersion liquid of APES OP-10 of 0.1ml/L, and its HLB value is 13.3～14.5;
2) will soak into aluminium foil after handling and in 80 ℃, 0.4mol/L ammonium adipate solution, carry out one-level and change into, boost to constant voltage 5min behind the 42V;
3) aluminium foil after one-level is changed into carries out secondary and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 5min behind the 74V;
4) aluminium foil after secondary is changed into carries out three grades and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 8min behind the 105V;
5) aluminium foil after three grades are changed into cleans and in 50 ℃, 0.3mol/L phosphoric acid solution, soaks passivation 2min;
6) aluminium foil after the Passivation Treatment is cleaned and in air atmosphere, heat-treats, 420 ℃ of temperature, time 2min;
7) the constant voltage 5min under 105V of the aluminium foil after the heat treatment is repaired change into processing, used solution is 80 ℃, 0.2mol/L ammonium dihydrogen phosphate;
8) aluminium foil after repairing is changed into cleans and in air atmosphere, carries out heat treatment once more, 520 ℃ of temperature, time 2min;
9) will be once more aluminium foil after the heat treatment place aftertreatment fluid to carry out reprocessing, aftertreatment fluid is 80 ℃, the ammonium dihydrogen phosphate of 0.2mol/l, soaks 2min;
10) aluminium foil after the reprocessing is cleaned once more and under air atmosphere with 150 ℃ of hot blast drying aluminium foils, rolling gets final product.
Adopt same comparative sample to handle according to traditional processing technology, its maximum becomes voltage still to be 105V.Respectively two kinds of finished products are tested, method of testing is undertaken by SJ/T 11140 standards, and test result is listed in the table 1.
Embodiment 2:
Making operating voltage according to method of the present invention is the aluminium foil of 100V, sets maximum and becomes voltage (formation voltage) to be 132V, specific as follows:
1) will place 30 ℃ through the aluminium foil of corrosion behind the expansion face, concentration is to soak into 3min in the wetting dispersion liquid of NPE NP-7 of 0.1ml/L; Its HLB value is 11.7～12;
2) will soak into aluminium foil after handling and in 80 ℃, 0.4mol/L ammonium adipate solution, carry out one-level and change into, boost to constant voltage 8min behind the 53V;
3) aluminium foil after one-level is changed into carries out secondary and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 8min behind the 93V;
4) aluminium foil after secondary is changed into carries out three grades and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 12min behind the 132V;
5) aluminium foil after three grades are changed into cleans and in 50 ℃, 0.3mol/L phosphoric acid solution, soaks passivation 2min;
6) aluminium foil after the Passivation Treatment is cleaned and in air atmosphere, heat-treats, 400 ℃ of temperature, time 4min;
7) the constant voltage 8min under 132V of the aluminium foil after the heat treatment is repaired change into processing, used solution is 80 ℃, 0.2mol/L ammonium dihydrogen phosphate;
8) aluminium foil after repairing is changed into cleans and in air atmosphere, carries out heat treatment once more, 520 ℃ of temperature, time 2min;
9) will be once more aluminium foil after the heat treatment place aftertreatment fluid to carry out reprocessing, aftertreatment fluid is 85 ℃, the ammonium dihydrogen phosphate of 0.2mol/l, soaks 2min;
10) aluminium foil after the reprocessing is cleaned once more and under air atmosphere with 150 ℃ of hot blast drying aluminium foils, rolling gets final product.
Adopt same comparative sample to handle according to traditional processing technology, its maximum becomes voltage still to be 132V.Respectively two kinds of finished products are tested, method of testing is undertaken by SJ/T 11140 standards, and test result is listed in the table 1.
Embodiment 3:
According to the aluminium foil that method system operating voltage of the present invention is 80V, set maximum and become voltage (formation voltage) to be 115V, specific as follows:
1) will place 25 ℃ through the aluminium foil of corrosion behind the expansion face, concentration is to soak into 2min in the wetting dispersion liquid of APES OP-10 of 0.3ml/L, and its HLB value is 13.3～14.5;
2) will soak into aluminium foil after handling and in 80 ℃, 0.4mol/L ammonium adipate solution, carry out one-level and change into, boost to constant voltage 7min behind the 46V;
3) aluminium foil after one-level is changed into carries out secondary and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 7min behind the 80V;
4) aluminium foil after secondary is changed into carries out three grades and changes in 80 ℃, 0.4mol/L ammonium adipate solution, boosts to constant voltage 10min behind the 115V;
5) aluminium foil after three grades are changed into cleans and in 50 ℃, 0.3mol/L phosphoric acid solution, soaks passivation 2min;
6) aluminium foil after the Passivation Treatment is cleaned and in air atmosphere, heat-treats, 420 ℃ of temperature, time 3min;
7) the constant voltage 7min under 115V of the aluminium foil after the heat treatment is repaired change into processing, used solution is 80 ℃, 0.2mol/L ammonium dihydrogen phosphate;
8) aluminium foil after repairing is changed into cleans and in air atmosphere, carries out heat treatment once more, 520 ℃ of temperature, time 2min;
9) will be again aluminium foil after the heat treatment place aftertreatment fluid to carry out reprocessing, aftertreatment fluid is 80 ℃, the ammonium dihydrogen phosphate of 0.3mol/l, soaks 2min;
10) aluminium foil after the reprocessing is cleaned once more and under air atmosphere with 150 ℃ of hot blast drying aluminium foils, rolling gets final product.
Adopt same comparative sample according to tradition production technology to be handled, its maximum becomes voltage still to be 115V.Respectively two kinds of finished products are tested, method of testing is undertaken by SJ/T 11140 standards, and test result is listed in the table 1.
Table 1
Contrast can know, the aluminium foil that adopts method of the present invention to make, and its static capacity is apparently higher than about the about 4-9% of traditional handicraft, and performances such as pressure rising time, oxide-film withstand voltage, resistance to water all are superior to traditional handicraft.
Claims (10)
1. the manufacturing approach of 100～150V low-pressure chemical synthesis foil; Comprise the aluminium foil behind corrosion expansion face is carried out the multistage processing that changes into; It is characterized in that: said multistage change into processing before, soak into treatment step A earlier: will in wetting dispersion liquid, soak into processing through the aluminium foil of corrosion behind the expansion face; This wetting dispersion liquid is hydrophilic lipophilic balance HLB at the aqueous solution of 11～15 non-ionic surface active agent.
2. the manufacturing approach of 100～150V low-pressure chemical synthesis foil according to claim 1, it is characterized in that: said non-ionic surface active agent is an APEO.
3. the manufacturing approach of 100～150V low-pressure chemical synthesis foil according to claim 1, it is characterized in that: said non-ionic surface active agent molecular structure is R (OCH
2CH
2)
nH, wherein n=9～12.
4. the manufacturing approach of 100～150V low-pressure chemical synthesis foil according to claim 1, it is characterized in that: the concentration of said wetting dispersion liquid is 0.1～1ml/L.
5. the manufacturing approach of 100V～150V low-pressure chemical synthesis foil according to claim 1, it is characterized in that: the temperature of wetting dispersion liquid is controlled to be 10～50 ℃ in the said steps A, and the infiltration processing time is 0.5～5min.
6. like the manufacturing approach of claim 4 or 5 said 100～150V low-pressure chemical synthesis foils, it is characterized in that: the temperature of wetting dispersion liquid is controlled to be 20～30 ℃ in the said steps A, and the infiltration processing time is 1～3min; The concentration of wetting dispersion liquid is 0.1～0.5ml/L.
7. the manufacturing approach of 100～150V low-pressure chemical synthesis foil according to claim 1, it is characterized in that: said manufacturing approach also comprises the steps:
Step B: the aluminium foil that will soak into carries out the multistage processing that changes in ammonium adipate solution;
Step C: the aluminium foil after multistage the changing into is cleaned and in phosphoric acid solution, carries out Passivation Treatment;
Step D: the aluminium foil after the passivation is cleaned and heat treatment under air atmosphere.
Step e: place ammonium dihydrogen phosphate to become voltage to repair on the aluminium foil after the heat treatment and change into processing with maximum;
Step F: the aluminium foil after repairing changed into cleans and heat treatment once more under air atmosphere once more;
Step G: the aluminium foil after the heat treatment places ammonium dihydrogen phosphate to carry out reprocessing once more;
Step H: the aluminium foil after the reprocessing is placed air oven dry, rolling.
8. like the manufacturing approach of the said 100～150V low-pressure chemical synthesis foil of claim 7, it is characterized in that: said step B adopts three grades and changes into processing, at different levelsly changes into processing and adopts 40% ± 3%, 70% ± 3%, 100% maximum to become voltage to carry out successively respectively; Saidly change into that handle to use ammonium adipate solution concentration be 0.2～0.5mol/L, temperature is 70～90 ℃, the constant voltage time 5～15min that change at different levels.
9. like the manufacturing approach of the said 100～150V low-pressure chemical synthesis foil of claim 7, it is characterized in that: among the said step C, phosphoric acid solution concentration is that 0.2～0.4mol/L, temperature are 40～60 ℃, soak time 1～3min.
10. like the manufacturing approach of the said 100～150V low-pressure chemical synthesis foil of claim 7; It is characterized in that: the heat treatment of said step D; Be after cleaning with pure water through the aluminium foil that phosphoric acid is handled, directly to place 400～450 ℃ air atmosphere to handle 1～5min without other process; The heat treatment of said step F is after aluminium foil cleaned with pure water after repairing was changed into, directly to place 500～580 ℃ air atmosphere to handle 2～6min without other process.
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|---|---|---|---|
| CN 201110194980 CN102324324B (en) | 2011-07-12 | 2011-07-12 | Method for preparing 100-150V of low-voltage foil |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599845A (en) * | 2014-12-31 | 2015-05-06 | 日丰（清远）电子有限公司 | Production method of low voltage aluminum anode foil for electrolytic condenser |
| 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 |
| CN108109845A (en) * | 2017-11-07 | 2018-06-01 | 佛山科学技术学院 | A kind of processing method for improving water resisting property of low voltage electrode foil and application |
| CN108376611A (en) * | 2017-12-29 | 2018-08-07 | 广西贺州市桂东电子科技有限责任公司 | A kind of production method of no foil ash medium-high pressure chemical foil |
| CN108538591A (en) * | 2018-04-12 | 2018-09-14 | 常州华威电子有限公司 | A kind of heat safe conducting high polymers object electrolytic capacitor and preparation method thereof |
| CN109378218A (en) * | 2018-11-19 | 2019-02-22 | 立敦电子科技（惠州）有限公司 | A kind of manufacturing method of high stability low voltage aluminum electrolysis capacitor formed foil |
| CN109585173A (en) * | 2018-11-19 | 2019-04-05 | 立敦电子科技（惠州）有限公司 | A kind of manufacturing method of long-life low voltage aluminum electrolysis capacitor formed foil |
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| JPH0722286A (en) * | 1993-06-22 | 1995-01-24 | Matsushita Electric Ind Co Ltd | Production of solid electrolytic capacitor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104599845A (en) * | 2014-12-31 | 2015-05-06 | 日丰（清远）电子有限公司 | Production method of low voltage aluminum anode foil for electrolytic condenser |
| CN104599845B (en) * | 2014-12-31 | 2017-07-11 | 日丰（清远）电子有限公司 | A kind of production method of electrolytic capacitor low voltage anode aluminum foil |
| CN108109845A (en) * | 2017-11-07 | 2018-06-01 | 佛山科学技术学院 | A kind of processing method for improving water resisting property of low voltage electrode foil and application |
| CN108376611A (en) * | 2017-12-29 | 2018-08-07 | 广西贺州市桂东电子科技有限责任公司 | A kind of production method of no foil ash medium-high pressure chemical foil |
| CN108538591A (en) * | 2018-04-12 | 2018-09-14 | 常州华威电子有限公司 | A kind of heat safe conducting high polymers object electrolytic capacitor and preparation method thereof |
| CN109378218A (en) * | 2018-11-19 | 2019-02-22 | 立敦电子科技（惠州）有限公司 | A kind of manufacturing method of high stability low voltage aluminum electrolysis capacitor formed foil |
| CN109585173A (en) * | 2018-11-19 | 2019-04-05 | 立敦电子科技（惠州）有限公司 | A kind of manufacturing method of long-life low voltage aluminum electrolysis capacitor formed foil |
| CN109585173B (en) * | 2018-11-19 | 2021-04-27 | 立敦电子科技（惠州）有限公司 | Method for manufacturing long-life low-voltage aluminum electrolytic capacitor formed foil |
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Effective date of registration: 20160718 Address after: 512721, Guangdong City, Shaoguan province Ruyuan County town of sunshine east industrial park into foil two phase low-voltage workshop Patentee after: Ruyuan County East Electronic Technology Co. Ltd. Address before: 512721 Ruyuan Yao Autonomous County Development Zone, Guangdong, Shaoguan Patentee before: Ruyuan Yao Zu Municipality East-Sunny Foil Co., Ltd |
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