CN101777432A - Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors - Google Patents
Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors Download PDFInfo
- Publication number
- CN101777432A CN101777432A CN 201010130619 CN201010130619A CN101777432A CN 101777432 A CN101777432 A CN 101777432A CN 201010130619 CN201010130619 CN 201010130619 CN 201010130619 A CN201010130619 A CN 201010130619A CN 101777432 A CN101777432 A CN 101777432A
- Authority
- CN
- China
- Prior art keywords
- temperature
- paper tinsel
- minutes
- aqueous solution
- phosphoric acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a forming process of anode foils for extra-high voltage aluminium electrolytic capacitors, comprising the following steps: placing aluminium foils which undergo electrolytic corrosion in pure water at 90 DEG C or above to carry out pretreatment; then carrying out first-stage formation on the pretreated aluminium foils in aqueous solution containing 1-9wt% of boric acid and 0.01-0.6wt% of ammonium adipate; then treating the foils which undergo first-stage formation with phosphoric acid solution at the concentration of 1-10wt%; then treating the foils which undergo phosphoric acid treatment at high temperature; then carrying out second-stage formation on the foils which undergo high temperature treatment in the aqueous solution containing 2-10wt% of boric acid and 0.01-0.09wt% of ammonium pentaborate; then treating the foils which undergo second-stage formation in the phosphoric acid solution at the concentration of 1-10wt%; then treating the foils which undergo phosphoric acid treatment at high temperature; finally carrying out third-stage formation on the foils which undergo high temperature treatment in the mixed aqueous solution containing 2-10wt% of boric acid and 0.01-0.09wt% of ammonium pentaborate and carrying out post-treatment on the foils which undergo third-stage formation in the aqueous solution containing 1-13wt% of phosphoric acid and 0.1-6wt% of ammonia, and cleaning and then drying the foils which undergo post-treatment.
Description
Technical field
The present invention relates to a kind of processing technology of anode foils, be specifically related to a kind of chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor.
Background technology
The electrolytic capacitor anode foils generally adopts boric acid, phosphoric acid, adipic acid, azelaic acid, citric acid etc., or these sour salts, and the wherein at least a aqueous solution as electrolyte, by electrochemical oxidation, generates oxide-film (γ-Al on the etched foil surface
2O
3) as dielectric, make and change into paper tinsel, the forming process of oxide-film is referred to as to change into.The research of domestic relevant chemical synthesis technology has report more, but produces anode foil for extra-high voltage aluminum electrolytic capacitor with existing method, technically still can not meet the demands.
Summary of the invention
The chemical synthesis technology that the purpose of this invention is to provide the good anode foil for extra-high voltage aluminum electrolytic capacitor of a kind of oxide-film densification, unit are static capacity height, mechanical strength and anti-hydrability is with 85 ℃ of high-temperature load of aluminium electrolytic capacitor of this explained hereafter and reach 8000 hours storage life.
Technical scheme of the present invention is: a kind of chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor, and this technology may further comprise the steps successively:
1, pre-treatment
The pre-treatment purpose is can be converted into γ-Al when changing into
2O
3The aluminium foil surface of hydroxide film after electrolytic corrosion generate, can increase static capacity and saves energy.Concrete grammar is that the aluminium foil after the electrolytic corrosion is placed in 90 ℃ of temperature and the above pure water, soaks 5～20 minutes.
The pre-treatment temperature is lower than 90 ℃, and the hydroxide film quality of generation is poor, is difficult for being converted into γ-Al
2O
390 ℃ of optimum temperatures and more than.
The pre-treatment time is less than 5 minutes, and the hydroxide film of formation is too thin, is not suitable for changing into high voltage; If surpass 20 minutes, the hydroxide film of formation is too thick, can seal the less hole in paper tinsel surface, and paper tinsel can harden simultaneously, and mechanical strength reduces.5～20 minutes optimization process time.
2, the first order changes into
The first order changes into purpose and forms oxide-film on the etched foil surface.Concrete grammar is that the paper tinsel after the pre-treatment is placed on 50～90 ℃, contains in the aqueous solution of 1～9wt% boric acid and 0.01～0.6wt% ammonium adipate and form oxide-film, and forming current density is 0.01～0.6A/cm
2, 20～50 minutes time.
Change into temperature and be lower than 50 ℃, the coating mass of formation is poor; Change into temperature and be higher than 90 ℃, be difficult to control in the production.The best changes into 50～90 ℃ of temperature.
The time of changing into is less than 20 minutes, and the oxide-film of formation is insufficient, and is withstand voltage low; If surpass 50 minutes, the oxide-film water content of formation is high can to influence coating mass.The best changes into 20～50 minutes time.
3, phosphoric acid handles 1
It is to clean to remove small part oxide-film inferior and impurity in the first order formation process that phosphoric acid is handled 1 purpose.Concrete grammar is that the paper tinsel after the first order is changed into is placed in the phosphate aqueous solution of 40～80 ℃ of temperature, concentration 1～10wt% and handled 3～15 minutes.
Treatment temperature is lower than 40 ℃ or phosphoric acid concentration and is lower than 1wt%, can not reach to clean oxide-film inferior and impurity effect; Temperature is higher than 80 ℃ or phosphoric acid concentration and is higher than 10wt%, can accelerated reaction, be difficult to control.40～80 ℃ of optimum treatmenting temperatures, concentration 1～10wt%.
The phosphoric acid processing time is less than 3 minutes, can not remove oxide-film inferior fully, if surpass 15 minutes, destroys the measured oxide-film of matter on the contrary.3～15 minutes optimization process time.
4, high-temperature process 1
High-temperature process 1 purpose is the aqua oxidation film that will form previously, at high temperature is converted into γ-Al
2O
3Concrete grammar is phosphoric acid to be handled paper tinsel after 1 to place temperature be that 350～600 ℃ baking oven was handled 1～5 minute.
The temperature of high-temperature process is lower than 350 ℃, and the aqua oxidation film can not be converted into γ-Al
2O
3Temperature is higher than 600 ℃, and the aqua oxidation film then can be converted into the oxide-film of other type, and aluminum substrate easily melts in the middle of the paper tinsel, and production can't move.
The high-temperature process time is less than 1 minute, and the aqua oxidation film can not be converted into γ-AL fully
2O
3Surpass 5 minutes, the big and control difficulty of investment of production equipment cost.
5, the second level changes into
It is that repair in defective and the crack that the oxide-film surface produces when high temperature is made the transition that the second level changes into purpose.Concrete grammar is that the paper tinsel after the high-temperature process 1 is placed on 50～90 ℃, contains and carry out secondary in the aqueous solution of 2～10wt% boric acid and 0.01～0.09wt% ammonium pentaborate and change into, and forming current density is 0.01～0.6A/cm
2, 5～20 minutes time.
Change into temperature and be lower than 50 ℃, the coating mass of formation is poor; Change into temperature and be higher than 90 ℃, be difficult to control in the production.
The time of changing into is less than 5 minutes, and the oxide-film of formation is insufficient, and is withstand voltage low; If surpass 20 minutes, the oxide-film water content of formation is high can to influence coating mass.
6, phosphoric acid handles 2
It is to clean to remove small part oxide-film inferior and impurity in the formation process of the second level that phosphoric acid is handled 2 purposes.Concrete grammar is that the paper tinsel after the second level is changed into is placed in the phosphate aqueous solution of 40～80 ℃ of temperature, concentration 1～10wt% and handled 2～10 minutes.
Treatment temperature is lower than 40 ℃ or phosphoric acid concentration and is lower than 1wt%, can not reach to clean oxide-film inferior and impurity effect; Temperature is higher than 80 ℃ or phosphoric acid concentration and is higher than 10wt%, can accelerated reaction, be difficult to control.
The phosphoric acid processing time is less than 2 minutes, can not remove oxide-film inferior fully, if surpass 10 minutes, destroys the measured oxide-film of matter on the contrary.
7, high-temperature process 2
High-temperature process 2 purposes are the aqua oxidation films that will form previously, at high temperature are converted into γ-Al
2O
3Concrete grammar is phosphoric acid to be handled paper tinsel after 2 to place temperature be that 350～600 ℃ baking oven was handled 1～5 minute.
The temperature of high-temperature process is lower than 350 ℃, and the aqua oxidation film can not be converted into γ-Al
2O
3Temperature is higher than 600 ℃, and the aqua oxidation film then can be converted into the oxide-film of other type, and aluminum substrate easily melts in the middle of the paper tinsel, and production can't move.
The high-temperature process time is less than 1 minute, and the aqua oxidation film can not be converted into γ-AL fully
2O
3Surpass 5 minutes, the big and control difficulty of investment of production equipment cost.
8, the third level changes into
It is that repair in defective and the crack that the oxide-film surface produces when high temperature is made the transition that the third level changes into purpose.Concrete grammar is that the paper tinsel after the high-temperature process 2 is placed on 50～90 ℃, contains and carry out three times in the aqueous solution of 2～10wt% boric acid and 0.01～0.09wt% ammonium pentaborate and change into, and forming current density is 0.01～0.6A/cm
2, 5～20 minutes time.
Change into temperature and be lower than 50 ℃, the coating mass of formation is poor; Change into temperature and be higher than 90 ℃, be difficult to control in the production.
The time of changing into is less than 5 minutes, and the oxide-film of formation is insufficient, and is withstand voltage low; If surpass 20 minutes, the oxide-film water content of formation is high can to influence coating mass.
9, reprocessing
The reprocessing purpose is to improve the anti-hydrability of oxide-film.Concrete grammar is that the paper tinsel after the third level is changed into is placed on 20～60 ℃ of temperature, contains in the aqueous solution of 1～13wt% phosphoric acid and 0.1～6wt% ammoniacal liquor and handled 2～10 minutes.
Treatment temperature is lower than 20 ℃ or processing time and is less than 2 minutes, can not reach the effect that improves the anti-hydrability of oxide-film; Temperature is higher than 60 ℃ or processing time and surpasses 10 minutes, can destroy oxide-film on the contrary.
After adopting the room temperature pure water to clean 1～5 minute through the paper tinsel of above-mentioned processing, placing temperature is that 100～300 ℃ baking oven was dried 1～5 minute, promptly gets anode foil for extra-high voltage aluminum electrolytic capacitor.
Beneficial effect: the anode foil for extra-high voltage aluminum electrolytic capacitor oxide-film compactness of explained hereafter of the present invention is good, unit are static capacity height, mechanical strength and anti-hydrability are good, has guaranteed 85 ℃ of high-temperature load of aluminium electrolytic capacitor of being produced and has reached 8000 hours storage life.
Embodiment
Below by the present invention being specifically described, be necessary to be pointed out that following examples only are used for the present invention is further specified, and can not be interpreted as limiting the scope of the invention at this with the actual technical process that changes into of 115um etched foil.
Embodiment 1:
A kind of chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor, this technology may further comprise the steps successively:
(1) pre-treatment
Aluminium foil after the electrolytic corrosion is placed in the pure water of 90 ℃ of temperature, soaked 20 minutes.
(2) first order changes into
Paper tinsel after the pre-treatment is placed on 50 ℃, contains in the aqueous solution of 1wt% boric acid and 0.01wt% ammonium adipate and form oxide-film, and forming current density is 0.01A/cm
2, 50 minutes time.
(3) phosphoric acid handles 1
Paper tinsel after the first order changed into is placed in the phosphate aqueous solution of 40 ℃ of temperature, concentration 1wt% and handled 15 minutes.
(4) high-temperature process 1
Phosphoric acid is handled paper tinsel after 1, and to place temperature be that 350 ℃ baking oven was handled 5 minutes.
(5) second level changes into
Paper tinsel after the high-temperature process 1 is placed on 50 ℃, contains and carry out secondary in the aqueous solution of 2wt% boric acid and 0.01wt% ammonium pentaborate and change into, and forming current density is 0.01A/cm
2, 20 minutes time.
(6) phosphoric acid handles 2
Paper tinsel after the second level changed into is placed in the phosphate aqueous solution of 40 ℃ of temperature, concentration 1wt% and handled 10 minutes.
(7) high-temperature process 2
Phosphoric acid is handled paper tinsel after 2, and to place temperature be that 350 ℃ baking oven was handled 5 minutes.
(8) third level changes into
Paper tinsel after the high-temperature process 2 is placed on 50 ℃, contains and carry out three times in the aqueous solution of 2wt% boric acid and 0.01wt% ammonium pentaborate and change into, and forming current density is 0.01A/cm
2, 20 minutes time.
(9) reprocessing
Paper tinsel after the third level changed into is placed on 20 ℃ of temperature, contain in the aqueous solution of 1wt% phosphoric acid and 0.1wt% ammoniacal liquor and handled 10 minutes.
After adopting the room temperature pure water to clean 1 minute through the paper tinsel of above-mentioned processing, placing temperature is 100 ℃ baking oven oven dry 5 minutes, promptly gets anode foil for extra-high voltage aluminum electrolytic capacitor.
The result is as follows
760Vf:C=0.38～0.42uf/cm
2Bending 88 times.
Embodiment 2:
A kind of chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor, this technology may further comprise the steps successively:
(1) pre-treatment
Aluminium foil after the electrolytic corrosion is placed in the pure water of 100 ℃ of temperature, soaked 5 minutes.
(2) first order changes into
Paper tinsel after the pre-treatment is placed on 90 ℃, contains in the aqueous solution of 9wt% boric acid and 0.6wt% ammonium adipate and form oxide-film, and forming current density is 0.6A/cm
2, 20 minutes time.
(3) phosphoric acid handles 1
Paper tinsel after the first order changed into is placed in the phosphate aqueous solution of 80 ℃ of temperature, concentration 10wt% and handled 3 minutes.
(4) high-temperature process 1
Phosphoric acid is handled paper tinsel after 1, and to place temperature be that 600 ℃ baking oven was handled 1 minute.
(5) second level changes into
Paper tinsel after the high-temperature process 1 is placed on 90 ℃, contains and carry out secondary in the aqueous solution of 10wt% boric acid and 0.09wt% ammonium pentaborate and change into, and forming current density is 0.6A/cm
2, 5 minutes time.
(6) phosphoric acid handles 2
Paper tinsel after the second level changed into is placed in the phosphate aqueous solution of 80 ℃ of temperature, concentration 10wt% and handled 2 minutes.
(7) high-temperature process 2
Phosphoric acid is handled paper tinsel after 2, and to place temperature be that 600 ℃ baking oven was handled 1 minute.
(8) third level changes into
Paper tinsel after the high-temperature process 2 is placed on 90 ℃, contains and carry out three times in the aqueous solution of 10wt% boric acid and 0.09wt% ammonium pentaborate and change into, and forming current density is 0.6A/cm
2, 5 minutes time.
(9) reprocessing
Paper tinsel after the third level changed into is placed on 60 ℃ of temperature, contain in the aqueous solution of 13wt% phosphoric acid and 6wt% ammoniacal liquor and handled 2 minutes.
After adopting the room temperature pure water to clean 5 minutes through the paper tinsel of above-mentioned processing, placing temperature is 300 ℃ baking oven oven dry 1 minute, promptly gets anode foil for extra-high voltage aluminum electrolytic capacitor.
The result is as follows
730Vf:C=0.42～0.46uf/cm
2Bending 90 times.
Embodiment 3:
A kind of chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor, this technology may further comprise the steps successively:
(1) pre-treatment
Aluminium foil after the electrolytic corrosion is placed in the pure water of 95 ℃ of temperature, soaked 10 minutes.
(2) first order changes into
Paper tinsel after the pre-treatment is placed on 70 ℃, contains in the aqueous solution of 5wt% boric acid and 0.3wt% ammonium adipate and form oxide-film, and forming current density is 0.3A/cm
2, 40 minutes time.
(3) phosphoric acid handles 1
Paper tinsel after the first order changed into is placed in the phosphate aqueous solution of 70 ℃ of temperature, concentration 5wt% and handled 10 minutes.
(4) high-temperature process 1
Phosphoric acid is handled paper tinsel after 1, and to place temperature be that 550 ℃ baking oven was handled 4 minutes.
(5) second level changes into
Paper tinsel after the high-temperature process 1 is placed on 70 ℃, contains and carry out secondary in the aqueous solution of 6wt% boric acid and 0.05wt% ammonium pentaborate and change into, and forming current density is 0.3A/cm
2, 15 minutes time.
(6) phosphoric acid handles 2
Paper tinsel after the second level changed into is placed in the phosphate aqueous solution of 70 ℃ of temperature, concentration 5wt% and handled 8 minutes.
(7) high-temperature process 2
Phosphoric acid is handled paper tinsel after 2, and to place temperature be that 550 ℃ baking oven was handled 4 minutes.
(8) third level changes into
Paper tinsel after the high-temperature process 2 is placed on 70 ℃, contains and carry out three times in the aqueous solution of 6wt% boric acid and 0.05wt% ammonium pentaborate and change into, and forming current density is 0.3A/cm
2, 15 minutes time.
(9) reprocessing
Paper tinsel after the third level changed into is placed on 40 ℃ of temperature, contain in the aqueous solution of 7wt% phosphoric acid and 3wt% ammoniacal liquor and handled 8 minutes.
After adopting the room temperature pure water to clean 4 minutes through the paper tinsel of above-mentioned processing, placing temperature is 250 ℃ baking oven oven dry 4 minutes, promptly gets anode foil for extra-high voltage aluminum electrolytic capacitor.
The result is as follows
700Vf:C=0.46～0.50uf/cm
2Bending 92 times.
85 ℃ of high-temperature load of aluminium electrolytic capacitor of producing with above-mentioned anode foils through evidence and reach 8000 hours storage life.
Claims (6)
1. the chemical synthesis technology of an anode foil for extra-high voltage aluminum electrolytic capacitor, it is characterized in that: this technology may further comprise the steps successively:
(1) pre-treatment
Aluminium foil after the electrolytic corrosion is placed in 90 ℃ of temperature and the above pure water, soaked 5～20 minutes;
(2) first order changes into
Paper tinsel after the pre-treatment is placed in the aqueous solution that contains 1～9wt% boric acid and 0.01～0.6wt% ammonium adipate forms oxide-film, change into 20～50 minutes time;
(3) phosphoric acid handles 1
Paper tinsel after the first order changed into is placed in the phosphate aqueous solution of concentration 1～10wt% and handled 3～15 minutes;
(4) high-temperature process 1
Phosphoric acid is handled paper tinsel after 1, and to place temperature be that 350～600 ℃ baking oven was handled 1～5 minute;
(5) second level changes into
Paper tinsel after the high-temperature process 1 is placed on carries out secondary in the aqueous solution that contains 2～10wt% boric acid and 0.01～0.09wt% ammonium pentaborate and change into, change into 5～20 minutes time;
(6) phosphoric acid handles 2
Paper tinsel after the second level changed into is placed in the phosphate aqueous solution of concentration 1～10wt% and handled 2～10 minutes;
(7) high-temperature process 2
Phosphoric acid is handled paper tinsel after 2, and to place temperature be that 350～600 ℃ baking oven was handled 1～5 minute;
(8) third level changes into
Paper tinsel after the high-temperature process 2 is placed on carries out three times in the aqueous solution that contains 2～10wt% boric acid and 0.01～0.09wt% ammonium pentaborate and change into, change into 5～20 minutes time;
(9) reprocessing
Paper tinsel after the third level changed into is placed on 20～60 ℃ of temperature, contain in the aqueous solution of 1～13wt% phosphoric acid and 0.1～6wt% ammoniacal liquor and handled 2～10 minutes; Paper tinsel through above-mentioned processing cleans the back oven dry, promptly gets anode foil for extra-high voltage aluminum electrolytic capacitor.
2. the chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor according to claim 1, it is characterized in that: in described step (2), step (5) and the step (8), forming current density is 0.01～0.6A/cm
2
3. the chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor according to claim 1, it is characterized in that: in described step (2), step (5) and the step (8), changing into temperature is 50～90 ℃.
4. the chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor according to claim 1, it is characterized in that: in described step (3) and the step (6), treatment temperature is 40～80 ℃.
5. the chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor according to claim 1 is characterized in that: in the described step (9), clean system and adopt the room temperature pure water to clean, the time is 1～5 minute.
6. the chemical synthesis technology of anode foil for extra-high voltage aluminum electrolytic capacitor according to claim 1, it is characterized in that: in the described step (9), the temperature of oven dry is 100～300 ℃, 1～5 minute time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130619 CN101777432A (en) | 2010-03-23 | 2010-03-23 | Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130619 CN101777432A (en) | 2010-03-23 | 2010-03-23 | Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101777432A true CN101777432A (en) | 2010-07-14 |
Family
ID=42513842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010130619 Pending CN101777432A (en) | 2010-03-23 | 2010-03-23 | Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101777432A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610396A (en) * | 2011-01-20 | 2012-07-25 | 四川雅安艾华电极箔制造有限公司 | Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp |
| CN103177878A (en) * | 2011-12-26 | 2013-06-26 | 广西贺州市桂东电子科技有限责任公司 | Method for forming extra high voltage anode foil |
| CN104966615A (en) * | 2015-07-13 | 2015-10-07 | 南通南铭电子有限公司 | Manufacturing method for solid-state capacitor lead-out wire |
| CN105154952A (en) * | 2015-09-01 | 2015-12-16 | 广西贺州市桂东电子科技有限责任公司 | Formation method of ultrahigh-pressure electronic aluminum foil |
| CN105239128A (en) * | 2015-09-01 | 2016-01-13 | 广西贺州市桂东电子科技有限责任公司 | Ultrahigh pressure formed foil forming liquid and preparation method |
| CN106591917A (en) * | 2016-12-02 | 2017-04-26 | 南通南铭电子有限公司 | Surface formation method of high-purity aluminum wire |
| CN108221024A (en) * | 2017-12-07 | 2018-06-29 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| CN108335925A (en) * | 2017-12-29 | 2018-07-27 | 广西贺州市桂东电子科技有限责任公司 | A method of promoting mesohigh electric aluminum foil leakage current characteristic |
| 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 |
| CN108505095A (en) * | 2018-04-04 | 2018-09-07 | 南通海星电子股份有限公司 | A kind of formation processing method of high intensity medium-high pressure chemical foil |
| CN108505094A (en) * | 2017-02-24 | 2018-09-07 | 宜都东阳光化成箔有限公司 | A kind of chemical synthesizing method reducing electrode foil current-leakage |
| CN109056024A (en) * | 2018-08-30 | 2018-12-21 | 新疆众和股份有限公司 | A kind of aluminium foil organic acid chemical conversion feedback power consumption solution liquid |
| CN109402700A (en) * | 2018-11-01 | 2019-03-01 | 青海瑞合铝箔有限公司 | A kind of improved Waste Acid From Hua Cheng Foil manufacturing process |
| CN109671568A (en) * | 2018-12-14 | 2019-04-23 | 扬州宏远电子股份有限公司 | A kind of process improving Waste Acid From Hua Cheng Foil water resistance |
| CN110517892A (en) * | 2019-09-18 | 2019-11-29 | 南通海星电子股份有限公司 | A kind of manufacturing method of solid-state aluminum electrolytic capacitor electrode foil |
| CN110828183A (en) * | 2019-11-01 | 2020-02-21 | 湖南艾华集团股份有限公司 | Aluminum electrolytic capacitor anode foil manufacturing method based on sintered aluminum and capacitor |
| CN113026073A (en) * | 2021-01-05 | 2021-06-25 | 南通海星电子股份有限公司 | Formation method of extra-high voltage electrode foil |
| CN113555222A (en) * | 2021-07-20 | 2021-10-26 | 雅安旭光电子材料有限公司 | Ultrahigh-voltage aluminum electrolytic capacitor anode foil and preparation method thereof |
| CN113774456A (en) * | 2021-08-20 | 2021-12-10 | 扬州宏远电子股份有限公司 | Alternating-current corrosion foil formation process method for starting double-formation motor and aluminum foil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484259A (en) * | 2003-07-10 | 2004-03-24 | 深圳市东阳光化成箔股份有限公司 | Method for mfg of anode foil of aluminium electrolytic capacitor |
| CN101206956A (en) * | 2007-03-28 | 2008-06-25 | 横店集团东磁有限公司 | Method for erosion of high pressure high specific volume anode foil |
| CN101205618A (en) * | 2007-12-14 | 2008-06-25 | 横店集团东磁有限公司 | Corrosion method of anode aluminum foil for middle-high voltage electrolytic capacitor |
| CN101221855A (en) * | 2007-12-14 | 2008-07-16 | 横店集团东磁有限公司 | Method for manufacturing formed foil used for medium-high pressure aluminum electrolytic capacitor |
| CN101425389A (en) * | 2008-07-29 | 2009-05-06 | 东莞市东阳光电容器有限公司 | Aluminum electrolysis capacitor anode foil manufacturing method |
-
2010
- 2010-03-23 CN CN 201010130619 patent/CN101777432A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484259A (en) * | 2003-07-10 | 2004-03-24 | 深圳市东阳光化成箔股份有限公司 | Method for mfg of anode foil of aluminium electrolytic capacitor |
| CN101206956A (en) * | 2007-03-28 | 2008-06-25 | 横店集团东磁有限公司 | Method for erosion of high pressure high specific volume anode foil |
| CN101205618A (en) * | 2007-12-14 | 2008-06-25 | 横店集团东磁有限公司 | Corrosion method of anode aluminum foil for middle-high voltage electrolytic capacitor |
| CN101221855A (en) * | 2007-12-14 | 2008-07-16 | 横店集团东磁有限公司 | Method for manufacturing formed foil used for medium-high pressure aluminum electrolytic capacitor |
| CN101425389A (en) * | 2008-07-29 | 2009-05-06 | 东莞市东阳光电容器有限公司 | Aluminum electrolysis capacitor anode foil manufacturing method |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610396B (en) * | 2011-01-20 | 2015-04-01 | 四川雅安艾华电极箔制造有限公司 | Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp |
| CN102610396A (en) * | 2011-01-20 | 2012-07-25 | 四川雅安艾华电极箔制造有限公司 | Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp |
| CN103177878B (en) * | 2011-12-26 | 2016-02-10 | 广西贺州市桂东电子科技有限责任公司 | A kind of extra-high voltage anode foil formation method |
| CN103177878A (en) * | 2011-12-26 | 2013-06-26 | 广西贺州市桂东电子科技有限责任公司 | Method for forming extra high voltage anode foil |
| CN104966615A (en) * | 2015-07-13 | 2015-10-07 | 南通南铭电子有限公司 | Manufacturing method for solid-state capacitor lead-out wire |
| CN105239128A (en) * | 2015-09-01 | 2016-01-13 | 广西贺州市桂东电子科技有限责任公司 | Ultrahigh pressure formed foil forming liquid and preparation method |
| CN105154952A (en) * | 2015-09-01 | 2015-12-16 | 广西贺州市桂东电子科技有限责任公司 | Formation method of ultrahigh-pressure electronic aluminum foil |
| CN105154952B (en) * | 2015-09-01 | 2018-03-27 | 广西贺州市桂东电子科技有限责任公司 | A kind of chemical synthesizing method of ultrahigh voltage electron aluminium foil |
| CN105239128B (en) * | 2015-09-01 | 2018-03-30 | 广西贺州市桂东电子科技有限责任公司 | A kind of super-pressure Waste Acid From Hua Cheng Foil forms liquid and compound method |
| CN106591917A (en) * | 2016-12-02 | 2017-04-26 | 南通南铭电子有限公司 | Surface formation method of high-purity aluminum wire |
| CN108505094B (en) * | 2017-02-24 | 2020-07-24 | 宜都东阳光化成箔有限公司 | Formation method for reducing leakage current of electrode foil |
| CN108505094A (en) * | 2017-02-24 | 2018-09-07 | 宜都东阳光化成箔有限公司 | A kind of chemical synthesizing method reducing electrode foil current-leakage |
| CN108221024A (en) * | 2017-12-07 | 2018-06-29 | 四川中雅科技有限公司 | The preparation method of aluminium electrolutic capacitor high voltage anodization film |
| 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 |
| CN108335925A (en) * | 2017-12-29 | 2018-07-27 | 广西贺州市桂东电子科技有限责任公司 | A method of promoting mesohigh electric aluminum foil leakage current characteristic |
| CN108505095A (en) * | 2018-04-04 | 2018-09-07 | 南通海星电子股份有限公司 | A kind of formation processing method of high intensity medium-high pressure chemical foil |
| CN109056024A (en) * | 2018-08-30 | 2018-12-21 | 新疆众和股份有限公司 | A kind of aluminium foil organic acid chemical conversion feedback power consumption solution liquid |
| CN109402700A (en) * | 2018-11-01 | 2019-03-01 | 青海瑞合铝箔有限公司 | A kind of improved Waste Acid From Hua Cheng Foil manufacturing process |
| CN109671568A (en) * | 2018-12-14 | 2019-04-23 | 扬州宏远电子股份有限公司 | A kind of process improving Waste Acid From Hua Cheng Foil water resistance |
| CN110517892A (en) * | 2019-09-18 | 2019-11-29 | 南通海星电子股份有限公司 | A kind of manufacturing method of solid-state aluminum electrolytic capacitor electrode foil |
| CN110828183A (en) * | 2019-11-01 | 2020-02-21 | 湖南艾华集团股份有限公司 | Aluminum electrolytic capacitor anode foil manufacturing method based on sintered aluminum and capacitor |
| CN113026073A (en) * | 2021-01-05 | 2021-06-25 | 南通海星电子股份有限公司 | Formation method of extra-high voltage electrode foil |
| CN113555222A (en) * | 2021-07-20 | 2021-10-26 | 雅安旭光电子材料有限公司 | Ultrahigh-voltage aluminum electrolytic capacitor anode foil and preparation method thereof |
| CN113774456A (en) * | 2021-08-20 | 2021-12-10 | 扬州宏远电子股份有限公司 | Alternating-current corrosion foil formation process method for starting double-formation motor and aluminum foil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101777432A (en) | Forming process of anode foils for extra-high voltage aluminium electrolytic capacitors | |
| CN105405658B (en) | A kind of purely inorganic sour chemical synthesis technology of high-pressure bolt formula anode foil for aluminum electrolytic capacitor | |
| CN1990914B (en) | Forming technique for reducing voltage rising time of aluminum electrolytic capacitor anode foil | |
| CN101826397B (en) | Five-stage manufacturing method of electrode foil for medium-high voltage aluminium electrolytic capacitor | |
| CN102709059B (en) | Formation method for anode foil of intermediate-voltage aluminum electrolytic capacitor | |
| CN104499028B (en) | A kind of ultra low voltage anodised aluminium foil making method | |
| JP5898616B2 (en) | Method for producing copper foil for negative electrode current collector | |
| WO2022247364A1 (en) | Method for preparing nano microporous structure aluminum electrode foil for automotive electronics | |
| CN104078240B (en) | Method for manufacturing anode foil of alternating current motor capacitor | |
| CN106653373A (en) | Formation foil for aluminium electrolytic capacitor and production process of formation foil | |
| CN107287639A (en) | A kind of Fabrication of High Specific Capacitance, high warpage, the chemical synthesizing method of Low dark curient electrode foil | |
| CN101425386A (en) | Preparation for producing aluminum electrolysis capacitor using ultrasonics | |
| CN102610396B (en) | Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp | |
| CN101748462A (en) | Formation method of anode aluminum foil for high-voltage aluminum electrolytic capacitor | |
| CN112680090A (en) | Preparation method of corrosion-resistant self-repairing coating on surface of magnesium alloy | |
| CN101894675A (en) | Method for preparing titanium-based super capacitor membrane electrode | |
| CN100591808C (en) | Chemical synthesis method for anodic foil oxide film acid resistance | |
| CN103762081A (en) | Manufacturing method for aluminum base ferroelectric thin film | |
| KR102364363B1 (en) | Process for preparing current collector for pseudo capacitor | |
| CN101030481A (en) | Method for chemically synthesizing anode foil of aluminum-electrolytic capacitor | |
| CN105742067A (en) | Aluminum foil production method capable of improving capacitance extraction rate of solid-state capacitor and decreasing leakage current of solid-state capacitor | |
| CN114695866B (en) | Preparation method of double transition metal oxide negative electrode material of lithium ion battery | |
| CN103714974A (en) | Method for preparing aluminum electrolytic capacitor anode material | |
| KR101122630B1 (en) | The preparation of V2O5 thin films using e-beam irradiation and the V2O5 thin films improved energy storage capacity | |
| CN103474642B (en) | A kind of tin oxide negative material for lithium ion battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100714 |