CN107967996A - A kind of chemical synthesizing method of mash welder capacitor anode foils - Google Patents
A kind of chemical synthesizing method of mash welder capacitor anode foils Download PDFInfo
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- CN107967996A CN107967996A CN201711129339.1A CN201711129339A CN107967996A CN 107967996 A CN107967996 A CN 107967996A CN 201711129339 A CN201711129339 A CN 201711129339A CN 107967996 A CN107967996 A CN 107967996A
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- chemical conversion
- mash welder
- anode foils
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- 239000000126 substance Substances 0.000 title claims abstract description 61
- 239000011888 foil Substances 0.000 title claims abstract description 48
- 239000003990 capacitor Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 44
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 18
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 10
- 230000008439 repair process Effects 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000012266 salt solution Substances 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 18
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 15
- 239000004327 boric acid Substances 0.000 claims description 15
- OTRAYOBSWCVTIN-UHFFFAOYSA-N OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N Chemical class OB(O)O.OB(O)O.OB(O)O.OB(O)O.OB(O)O.N.N.N.N.N.N.N.N.N.N.N.N.N.N.N OTRAYOBSWCVTIN-UHFFFAOYSA-N 0.000 claims description 12
- 239000005030 aluminium foil Substances 0.000 claims description 11
- 238000009835 boiling Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- BWKOZPVPARTQIV-UHFFFAOYSA-N azanium;hydron;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [NH4+].OC(=O)CC(O)(C(O)=O)CC([O-])=O BWKOZPVPARTQIV-UHFFFAOYSA-N 0.000 claims description 5
- KLOIYEQEVSIOOO-UHFFFAOYSA-N carbocromen Chemical compound CC1=C(CCN(CC)CC)C(=O)OC2=CC(OCC(=O)OCC)=CC=C21 KLOIYEQEVSIOOO-UHFFFAOYSA-N 0.000 claims description 5
- YXVFQADLFFNVDS-UHFFFAOYSA-N diammonium citrate Chemical compound [NH4+].[NH4+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O YXVFQADLFFNVDS-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- MPNNOLHYOHFJKL-UHFFFAOYSA-N peroxyphosphoric acid Chemical compound OOP(O)(O)=O MPNNOLHYOHFJKL-UHFFFAOYSA-N 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 235000005979 Citrus limon Nutrition 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 description 12
- 238000007599 discharging Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/12—Anodising more than once, e.g. in different baths
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/055—Etched foil electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of chemical synthesizing method of mash welder capacitor anode foils, including boil processing, level Four chemical conversion, heat treatment, phosphoric acid processing, repair chemical conversion, post processing, drying again.Its innovative point is:Processing is boiled using citric acid and its ammonium salt solution composition boils treatment fluid, the short time boils processing, then low temperature is melted into, anode foil oxide film is made and is substantially free of porous aluminium hydroxide outer layer, have the characteristics that low, resistance to rush of current is lost and resistance to temperature characteristic is good, life characteristics quite stable, suitable for making mash welder capacitor；Conventional anodes paper tinsel cannot compare completely.
Description
Technical field
The invention belongs to anode foil for aluminum electrolytic capacitor manufacturing technology field, and in particular to a kind of mash welder capacitor sun
The chemical synthesizing method of pole paper tinsel.
Background technology
The chemical synthesizing method of conventional medium-high voltage aluminum electrolytic capacitor anode foils, generally comprises and boils processing, multistage chemical conversion, heat
Handle, be melted into again, the process such as phosphoric acid handles, is melted into, post-processes again, drying；It is that etched foil is placed in 95 DEG C wherein to boil processing
5~15min is boiled in pure water above, and is melted into temperature more than 85 DEG C, finally obtains medium fine and close, that insulation performance is good
Oxide-film；This anode foils capacitance is big, surface hydration thickness of oxidation film, loss tangent（tgδ）It is high, internal resistance is big, caloric value
Greatly, the resistance to rush of current ability of its oxide-film and resistance to temperature characteristic are relatively poor, are not suitable for making rapidly discharge and recharge class capacitance
Device.
Energy-storage capacitor of the mash welder capacitor as high voltage rapidly discharge and recharge, discharge and recharge time interval is very short, wink
Between charging and discharging currents it is very big；If loss is high, internal resistance is big, short time internal heat generation power is with regard to big, and capacitor then heats up rapidly, meeting
Cause internal a large amount of deflate and rouse bottom and even pop.The capacitors count of one spot welding machine equipment installation is more, moment discharge and recharge electricity
Stream is very big, dangerous high therefore very high to anode foils quality requirement；Mash welder capacitor requires loss with anode foils
The characteristics of low, resistance to rush of current and good resistance to temperature characteristic, life characteristics wants quite stable, it is desirable to is totally different from conventional anodes
Paper tinsel.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of chemical synthesizing method of mash welder capacitor anode foils；The present invention
The anode foil oxide film surface of production is substantially free of porous aluminium hydroxide outer layer, has and low, resistance to rush of current and resistance to temperature rise is lost
The characteristics of characteristic is good, life characteristics quite stable；It is suitable for making mash welder capacitor.
Technical scheme is as follows：
A kind of chemical synthesizing method of mash welder capacitor anode foils is provided, is comprised the following steps：
Step 1: boil treatment fluid using citric acid and its ammonium salt solution composition, specifically by citric acid and ammonium dihydrogen citrate or
Diammonium hydrogen citrate or ammonium citrate solution composition, boiling liquid electrical conductivity is 20~200 μ s/cm.
Step 2: the etched foil of through borrosion hole structure is placed in the boiling liquid being made of citric acid and its ammonium salt,
1~5min of processing is boiled at 85~95 DEG C.
Step 3: will be five boric acid of 4~6wt% boric acid and 0.01~0.3wt% through boiling the etched foil of processing to be placed in concentration
In ammonium mixed solution, carry out level Four chemical conversion at a temperature of 40~60 DEG C, level Four formation voltage be respectively answer alive 30%,
60%th, 90%, 100%, the chemical conversion time is 8~30min.
Step 4: being heat-treated to the aluminium foil by level Four chemical conversion, heat treatment temperature is 450~500 DEG C, heat treatment
Time is 1~3min.
Step 5: carrying out chemical conversion reparation to thermally treated aluminium foil, chemical conversion repair time is 6~10min.
Step 6: the aluminium foil for being melted into reparation is placed in the phosphoric acid solution of 5~9wt%, handles 4 at 60~75 DEG C
~8min.
Repaired Step 7: carrying out secondary chemical conversion, chemical conversion repair time is 6~10min.
Step 8: carrying out secondary heat treatment, treatment temperature is 450~500 DEG C, and processing time is 1~3min.
Repaired Step 9: carrying out chemical conversion three times, the time for being melted into reparation is 6~10min.
Step 10: by the aluminium foil for being melted into reparation be placed in the phosphoric acid solution of 0.06~0.1wt% under room temperature processing 2~
5min。
Step 11: 2~3min will be dried at 150~250 DEG C through the aluminium foil that peroxophosphoric acid post-processes, mash welder capacitance is made
Device anode foils.
Preferably, the treatment fluid that boils is made of citric acid and its ammonium salt solution, specifically includes citric acid and citric acid
Ammonium dihydrogen or diammonium hydrogen citrate or ammonium citrate solution composition.
Preferably, the treatment fluid electrical conductivity of boiling is 20~200 μ s/cm.
Preferably, the treatment temperature of boiling is 85~95 DEG C.
It is preferably, described that to boil processing time be 1~5min.
Preferably, the chemical conversion temperature is 40~60 DEG C.
Beneficial effects of the present invention：
Etched foil boils processing through citric acid and its ammonium salt aqueous solution short time, and citric acid and its ammonium salt suppress and dissolved aluminium foil
Surface hydration film featheriness layer, then low temperature be melted into, obtained anode foil oxide film is substantially free of porous aluminium hydroxide outer layer, has
The characteristics of lossy low, resistance to rush of current and good resistance to temperature characteristic, life characteristics quite stable, can reach and make mash welder capacitance
The requirement of device.And conventional chemical synthesizing method handles etched foil through boiling pure water, high temperature chemical conversion, obtained anode foils cannot compare completely
Intend.
Brief description of the drawings
Fig. 1 is conventional anodes foil oxide film surface SEM photograph (30000 times)；
Fig. 2 is anode foil oxide film surface SEM photograph (30000 times) of the present invention.
Embodiment
Technical scheme is described in further detail with reference to embodiment, but embodiments of the present invention are unlimited
In this.
Embodiment 1
One example of the chemical synthesizing method of mash welder capacitor anode foils of the present invention, includes the following steps：Will perforation
Type borrosion hole structure erosion paper tinsel be placed in by citric acid and ammonium citrate solution form electrical conductivity be the boiling in treatment fluid of 20 μ s/cm,
1min is handled at 95 DEG C, then in 6% boric acid and 0.2wt% ammonium pentaborate mixed solutions, under the conditions of temperature 60 C, voltage 180V
First order chemical conversion is carried out, chemical conversion constant voltage time is 8min；Then in 6% boric acid and 0.1wt% ammonium pentaborate mixed solutions, temperature
60 DEG C, second level chemical conversion is carried out under the conditions of voltage 360V, chemical conversion constant voltage time is 8min, then in 5% boric acid and 0.05wt% five
In ammonium borate mixed solution, third level chemical conversion is carried out under the conditions of temperature 60 C, voltage 530V, chemical conversion constant voltage time is 8min, is connect
In 4% boric acid and 0.02wt% ammonium pentaborate mixed solutions, fourth stage chemical conversion carried out under the conditions of temperature 60 C, voltage 590V,
Chemical conversion constant voltage time is 20min, and paillon foil is then carried out heat treatment 3min at 450 DEG C, and 6min is repaired in then chemical conversion, is then existed
8min is handled at 75 DEG C of 5wt% phosphoric acid solutions, then is melted into and repairs 6min, heat treatment 3min is then carried out at 450 DEG C, then be melted into
6min is repaired, then 2min is handled in 0.1wt% phosphoric acid solutions, finally dries 3min at 150 DEG C.
475V1000 μ F mash welder capacitors are made in obtained anode foils, rapidly charge discharge life is carried out and tests.
1 anode foils of table, the relevant parameter of capacitor
Find out from 1 result of embodiment, using conventional anodes paper tinsel loss tangent of the present invention than the prior art（tgδ）It is small by 42%；
Capacitor progress is made, and rapidly charge discharge life experiment, discharge and recharge number are 35 times high, and temperature rise is 40 DEG C low after capacitor charging/discharging.
Embodiment 2
One example of the chemical synthesizing method of mash welder capacitor anode foils of the present invention, includes the following steps：Will perforation
Type borrosion hole structure erosion paper tinsel is placed in boils processing by citric acid and diammonium hydrogen citrate solution composition electrical conductivity for 100 μ s/cm
In liquid, 2.5min is handled at 90 DEG C, then in 5% boric acid and 0.2wt% ammonium pentaborate mixed solutions, temperature 50 C, voltage
First order chemical conversion is carried out under the conditions of 190V, chemical conversion constant voltage time is 10min, is then mixed in 5% boric acid and 0.1wt% ammonium pentaborates
In solution, second level chemical conversion is carried out under the conditions of temperature 50 C, voltage 380V, chemical conversion constant voltage time is 10min, then in 5% boric acid
And in 0.05wt% ammonium pentaborate mixed solutions, under the conditions of temperature 50 C, voltage 570V carry out third level chemical conversion, be melted into constant pressure when
Between be 10min, then in 4% boric acid and 0.015wt% ammonium pentaborate mixed solutions, under the conditions of temperature 50 C, voltage 630V into
The row fourth stage is melted into, and chemical conversion constant voltage time is 25min；Then paillon foil is subjected to heat treatment 2min at 480 DEG C, then is melted into reparation
8min, then handles 6min at 70 DEG C of 7wt% phosphoric acid solutions, then is melted into and repairs 8min, is then heat-treated at 480 DEG C
2min, then be melted into and repair 8min, 3min then is handled in 0.08% phosphoric acid solution, finally dries 2min at 200 DEG C.
475V1000 μ F mash welder capacitors are made in obtained anode foils, rapidly charge discharge life is carried out and tests.
2 anode foils of table, the relevant parameter of capacitor
Find out from 2 result of embodiment, using conventional anodes paper tinsel loss tangent of the present invention than the prior art（tgδ）It is small by 46%；
Capacitor progress is made, and rapidly charge discharge life experiment, discharge and recharge number are 39 times high, and temperature rise is 40 DEG C low after capacitor charging/discharging.
Embodiment 3
One example of the chemical synthesizing method of mash welder capacitor anode foils of the present invention, includes the following steps：Will perforation
Type borrosion hole structure erosion paper tinsel is placed in boils processing by citric acid and ammonium dihydrogen citrate solution composition electrical conductivity for 200 μ s/cm
In liquid, 5min is handled at 85 DEG C, then in 6% boric acid and 0.2wt% ammonium pentaborate mixed solutions, 40 DEG C of temperature, voltage 195V
Under the conditions of carry out first order chemical conversion, chemical conversion constant voltage time is 12min；Then in 6% boric acid and 0.1wt% ammonium pentaborate mixed solutions
In, under the conditions of 40 DEG C of temperature, voltage 390V carry out second level chemical conversion, chemical conversion constant voltage time is 12min；Then in 5% boric acid and
In 0.05wt% ammonium pentaborate mixed solutions, third level chemical conversion is carried out under the conditions of 40 DEG C of temperature, voltage 585V, is melted into constant voltage time
For 12min；Then is carried out in 4% boric acid and 0.01wt% ammonium pentaborate mixed solutions, under the conditions of 40 DEG C of temperature, voltage 650V
Level Four is melted into, and chemical conversion constant voltage time is 30min；Then paillon foil is subjected to heat treatment 1min at 500 DEG C, then chemical conversion is repaired
10min, then handles 4min at 65 DEG C of 9wt% phosphoric acid solutions, then is melted into and repairs 10min, and hot place is then carried out at 500 DEG C
1min is managed, then is melted into and repairs 10min, then 5min is handled in 0.06wt% phosphoric acid solutions, finally dries 2min at 250 DEG C.
475V1000 μ F mash welder capacitors are made in obtained anode foils, rapidly charge discharge life is carried out and tests.
3 anode foils of table, the relevant parameter of capacitor
Find out from 3 result of embodiment, using conventional anodes paper tinsel loss tangent of the present invention than the prior art（tgδ）It is small by 46%；
Capacitor progress is made, and rapidly charge discharge life experiment, discharge and recharge number are 47 times high, and temperature rise is 40 DEG C low after capacitor charging/discharging.
Anode foils of the present invention are contrasted with conventional anodes foil oxide film surface state：
From Fig. 1, Fig. 2 anode foils surface, SEM photograph can be seen that, conventional anodes foil oxide film has thicker porous aluminium hydroxide outer layer
(featheriness outer layer)；And anode foil oxide film of the present invention is substantially free of porous aluminium hydroxide outer layer, loss is low, advantageously reduces
Fever, greatly improves resistance to rush of current and resistance to temperature rise ability, prolongs the service life.
It is pointed out that the technical concepts and features of above-described embodiment only to illustrate the invention, ripe its object is to allow
Present disclosure can be understood and implement according to this by knowing the personage of technique, and the protection model of the present invention can not be limited with this
Enclose.Any equivalent change or modification in accordance with the spirit of the invention, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of chemical synthesizing method of mash welder capacitor anode foils, it is characterised in that comprise the following steps：
Step 1: boil treatment fluid using citric acid and its ammonium salt solution composition, specifically by citric acid and ammonium dihydrogen citrate or
Diammonium hydrogen citrate or ammonium citrate solution composition, it is 20~200 μ s/cm to boil treatment fluid electrical conductivity；
Step 2: by the etched foil of through borrosion hole structure be placed in by citric acid and its ammonium salt form boil in treatment fluid,
1~5min of processing is boiled at 85~95 DEG C；
Step 3: will be that 4~6wt% boric acid and 0.01~0.3wt% ammonium pentaborates mix through boiling the etched foil of processing to be placed in concentration
Close in solution, carry out level Four chemical conversion at a temperature of 40~60 DEG C, level Four formation voltage be respectively answer alive 30%, 60%,
90%th, 100%, the chemical conversion time is 8~30min；
Step 4: being heat-treated to the aluminium foil by level Four chemical conversion, heat treatment temperature is 450~500 DEG C, the time of heat treatment
For 1~3min；
Step 5: carrying out chemical conversion reparation to thermally treated aluminium foil, chemical conversion repair time is 6~10min；
Step 6: the aluminium foil for being melted into reparation is placed in the phosphoric acid solution that volume ratio is 3~6%, is located at 60~75 DEG C
Manage 4~8min；
Repaired Step 7: carrying out secondary chemical conversion, chemical conversion repair time is 6~10min；
Step 8: carrying out secondary heat treatment, treatment temperature is 450~500 DEG C, and processing time is 1~3min；
Repaired Step 9: carrying out chemical conversion three times, the time for being melted into reparation is 6~10min；
Handled Step 10: the aluminium foil for being melted into reparation is placed in the phosphoric acid solution that volume ratio is 0.05~0.1% under room temperature
2~5min；
Step 11: 2~3min will be dried at 150~250 DEG C through the aluminium foil that peroxophosphoric acid post-processes, mash welder capacitor is made and uses
Anode foils.
2. the chemical synthesizing method of mash welder capacitor anode foils according to claim 1, it is characterised in that described to boil place
Reason liquid is made of citric acid and its ammonium salt solution.
3. the chemical synthesizing method of the mash welder capacitor anode foils according to claim 1,2, it is characterised in that the lemon
Acid and its ammonium salt, specifically include citric acid and ammonium dihydrogen citrate or diammonium hydrogen citrate or ammonium citrate.
4. the chemical synthesizing method of the mash welder capacitor anode foils according to claim 1,2,3, it is characterised in that boil place
It is 20~200 μ s/cm to manage liquid electrical conductivity.
5. the chemical synthesizing method of mash welder capacitor anode foils according to claim 1, it is characterised in that described to boil place
It is 85~95 DEG C to manage temperature, and processing time is 1 ~ 5min.
6. the chemical synthesizing method of mash welder capacitor anode foils according to claim 1, it is characterised in that the chemical conversion temperature
Spend for 40~60 DEG C.
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| CN201711129339.1A CN107967996B (en) | 2017-11-15 | 2017-11-15 | A kind of chemical synthesizing method of mash welder capacitor anode foils |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036852A (en) * | 2018-08-13 | 2018-12-18 | 浙江华义瑞东新材料有限公司 | A kind of porous aluminum electric pole foil of novel three-dimensional and preparation method thereof |
| CN110295385A (en) * | 2019-06-21 | 2019-10-01 | 广西贺州市桂东电子科技有限责任公司 | A kind of modularization anode foils chemical synthesizing method |
| CN111139508A (en) * | 2019-01-23 | 2020-05-12 | 东莞东阳光科研发有限公司 | Chemical conversion solution, chemical conversion method, and anode foil |
| CN112103084A (en) * | 2020-08-17 | 2020-12-18 | 新疆众和股份有限公司 | Anode foil and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6362312A (en) * | 1986-09-03 | 1988-03-18 | 日通工株式会社 | Method of forming anode of solid electrolytic capacitor |
| US6299752B1 (en) * | 1999-03-10 | 2001-10-09 | Pacesetter, Inc. | Very high volt oxide formation of aluminum for electrolytic capacitors |
| CN101246779A (en) * | 2008-02-22 | 2008-08-20 | 乳源瑶族自治县东阳光化成箔有限公司 | Production method of medium and high pressure formed foil |
| CN101707141A (en) * | 2009-11-09 | 2010-05-12 | 广西贺州市桂东电子科技有限责任公司 | Method for manufacturing anodic foil of aluminum electrolytic capacitor |
| CN102011167A (en) * | 2010-09-26 | 2011-04-13 | 广西贺州市桂东电子科技有限责任公司 | Electron aluminum foil initial section formation liquid additive and adding method thereof |
| CN102610390A (en) * | 2011-01-20 | 2012-07-25 | 严民 | Method for forming ultrahigh-voltage anode foil for aluminum electrolytic capacitors |
| CN103243369A (en) * | 2013-04-10 | 2013-08-14 | 宜都东阳光化成箔有限公司 | Formation technique of medium/high-voltage anode aluminum foil for enhancing aluminum electrolytic capacitance |
| CN104103428A (en) * | 2013-04-01 | 2014-10-15 | 东莞市长安东阳光铝业研发有限公司 | Manufacturing method for high-voltage high-dielectric formed foil for aluminium electrolytic capacitor |
| CN107287639A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of Fabrication of High Specific Capacitance, high warpage, the chemical synthesizing method of Low dark curient electrode foil |
| CN107287638A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of chemical synthesizing method of large ripple current-resistant electrode foil |
-
2017
- 2017-11-15 CN CN201711129339.1A patent/CN107967996B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6362312A (en) * | 1986-09-03 | 1988-03-18 | 日通工株式会社 | Method of forming anode of solid electrolytic capacitor |
| US6299752B1 (en) * | 1999-03-10 | 2001-10-09 | Pacesetter, Inc. | Very high volt oxide formation of aluminum for electrolytic capacitors |
| CN101246779A (en) * | 2008-02-22 | 2008-08-20 | 乳源瑶族自治县东阳光化成箔有限公司 | Production method of medium and high pressure formed foil |
| CN101707141A (en) * | 2009-11-09 | 2010-05-12 | 广西贺州市桂东电子科技有限责任公司 | Method for manufacturing anodic foil of aluminum electrolytic capacitor |
| CN102011167A (en) * | 2010-09-26 | 2011-04-13 | 广西贺州市桂东电子科技有限责任公司 | Electron aluminum foil initial section formation liquid additive and adding method thereof |
| CN102610390A (en) * | 2011-01-20 | 2012-07-25 | 严民 | Method for forming ultrahigh-voltage anode foil for aluminum electrolytic capacitors |
| CN104103428A (en) * | 2013-04-01 | 2014-10-15 | 东莞市长安东阳光铝业研发有限公司 | Manufacturing method for high-voltage high-dielectric formed foil for aluminium electrolytic capacitor |
| CN103243369A (en) * | 2013-04-10 | 2013-08-14 | 宜都东阳光化成箔有限公司 | Formation technique of medium/high-voltage anode aluminum foil for enhancing aluminum electrolytic capacitance |
| CN107287639A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of Fabrication of High Specific Capacitance, high warpage, the chemical synthesizing method of Low dark curient electrode foil |
| CN107287638A (en) * | 2017-07-11 | 2017-10-24 | 新疆金泰新材料技术有限公司 | A kind of chemical synthesizing method of large ripple current-resistant electrode foil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036852A (en) * | 2018-08-13 | 2018-12-18 | 浙江华义瑞东新材料有限公司 | A kind of porous aluminum electric pole foil of novel three-dimensional and preparation method thereof |
| CN111139508A (en) * | 2019-01-23 | 2020-05-12 | 东莞东阳光科研发有限公司 | Chemical conversion solution, chemical conversion method, and anode foil |
| CN111139508B (en) * | 2019-01-23 | 2021-11-05 | 东莞东阳光科研发有限公司 | Chemical conversion solution, chemical conversion method, and anode foil |
| CN110295385A (en) * | 2019-06-21 | 2019-10-01 | 广西贺州市桂东电子科技有限责任公司 | A kind of modularization anode foils chemical synthesizing method |
| CN112103084A (en) * | 2020-08-17 | 2020-12-18 | 新疆众和股份有限公司 | Anode foil and preparation method thereof |
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