CN106601502A - Method for preparing solid aluminum electrolytic capacitors - Google Patents
Method for preparing solid aluminum electrolytic capacitors Download PDFInfo
- Publication number
- CN106601502A CN106601502A CN201611166915.5A CN201611166915A CN106601502A CN 106601502 A CN106601502 A CN 106601502A CN 201611166915 A CN201611166915 A CN 201611166915A CN 106601502 A CN106601502 A CN 106601502A
- Authority
- CN
- China
- Prior art keywords
- electrolytic paper
- impregnation
- monomer solution
- paper
- electrolytic
- 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
- 239000003990 capacitor Substances 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 9
- 239000007787 solid Substances 0.000 title abstract description 4
- 239000000178 monomer Substances 0.000 claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000005470 impregnation Methods 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical group [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 6
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 6
- 239000012498 ultrapure water Substances 0.000 claims description 6
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims description 5
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000467 phytic acid Substances 0.000 claims description 5
- 235000002949 phytic acid Nutrition 0.000 claims description 5
- 229940068041 phytic acid Drugs 0.000 claims description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims 2
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 239000011888 foil Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000002322 conducting polymer Substances 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding 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
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
-
- 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
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte layer
-
- 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
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- 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
- H01G9/15—Solid electrolytic capacitors
- H01G9/151—Solid electrolytic capacitors with wound foil electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention provides a method for preparing solid aluminum electrolytic capacitors. The method comprises the following steps: 1) immersing the well-cut electrolytic paper in monomer solution at a temperature of 5 to 50 degrees for 2 to 10 hours; 2) immersing the electrolytic paper for a second time into the monomer solution added with a monomer oxidant whose mass is 30% to 70% of that of the monomer solution; 3) using cleaning liquid to clean the immersed electrolytic paper obtained in step 2 for three to five times; 4) drying the electrolytic paper cleaned in step 3; 5) combining the dried electrolytic paper and an aluminum foil to reel for a core bag; and 6) immersing the core bag. The electrolytic paper of the invention is highly conductive and the loss is small when a capacitor works.
Description
Technical field
The present invention relates to a kind of aluminium electrolutic capacitor, more particularly to a kind of preparation method of solid-state aluminum electrolytic capacitor.
Background technology
At present, the usual method that solid-state aluminum electrolytic capacitor makes is first winding core bag, then core bag is impregnated with and group
It is vertical, finally it is prepared into aluminium electrolutic capacitor.The capacitor being prepared by a conventional method, the PEDOT conducting polymers on electrolytic paper
Skewness, causes electrical conductivity low, so as to affect the performance of capacitor.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of electrolytic paper conductivity is high, electricity
The preparation method of little solid-state aluminum electrolytic capacitor is lost during container work.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is：A kind of preparation of solid-state aluminum electrolytic capacitor
Method, it is characterised in that：Comprise the following steps, 1）The electrolytic paper for cutting is impregnated with monomer solution, temperature is impregnated with
For 5-50 degree Celsius, the impregnation time is 2-10 hours, the solute of the monomer solution including 20%-60%, the solvent of 10%-50% and
The additive of 0-30%, solute is that 3,4-rthylene dioxythiophene adds aniline, the one or two kinds of of pyrroles, and solvent is methanol, second
Alcohol, butanol, one or more of isopropanol, additive is the mixture of phytic acid either ultra-pure water or phytic acid and ultra-pure water；
2）In step 1）In impregnation after, then quality is added to into monomer solution for the free oxygen agent of monomer solution 30%-70%
In, electrolytic paper carries out secondary impregnation, and impregnation temperature is 5-50 degree Celsius, and the impregnation time is 3-9 hours, and the free oxygen agent is
Sodium peroxydisulfate, p-methyl benzenesulfonic acid ferrum, iron chloride, sodium thiosulfate, one or more of Ammonium persulfate.；Monomer and oxidant reaction
After generate PEDOT, during impregnation produce PEDOT can uniformly be attached on electrolytic paper, be conducive to electronics to lead by PEDOT
Electric macromolecule passes through electrolytic paper from each position, thus significantly reduces impedance, improves the electrical conductivity of electrolytic paper.
3）Step 2 will be completed using cleanout fluid）The electrolytic paper of impregnation carries out 3-5 cleaning, and cleanout fluid includes ultra-pure water, first
Alcohol, ethanol, butanol, one or more composition of isopropanol；Cleanout fluid removes remaining EDOT monomers, solvent and additive,
The PEDOT of generation is attached on electrolytic paper for solid.
4）By step 3）Electrolytic paper drying after cleaning；
5）Electrolytic paper after drying and aluminium foil combination are wound and make core bag；
6）Core bag is impregnated with.
The preparation method of above-mentioned solid-state aluminum electrolytic capacitor, it is preferred that step 3）The mode of middle cleaning is repeatedly flushing
Or immersion.
Compared with prior art, it is an advantage of the current invention that：1st, the method is used, PEDOT conducting polymers can be uniform
Electrolytic paper surface is distributed in, makes each position electrical conductivity on electrolytic paper consistent.2nd, can be by solid electricity solution paper using the method
Electrical conductivity lifted to 3 S/cm from 50 mS/cm（Using four-point probe testing conductivity）, capacitor work is greatly reduced
Loss during work.3rd, production technology can be simplified using the method, solid-state aluminum electrolytic capacitor production process is without the need for high temperature
Carbonization electrolytic paper, only need to be impregnated with, energy saving under conditions of temperature requirement is not high to electrolytic paper.
Specific embodiment
For the ease of understanding the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But protection scope of the present invention is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be directly fixed, affixed, connection or connect on another element, or by connecting in the middle of other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit the present invention
Protection domain.
Embodiment
A kind of preparation method of solid-state aluminum electrolytic capacitor, comprises the following steps, 1）By the electrolytic paper for cutting in monomer
Be impregnated with solution, impregnation temperature be 25 degrees Celsius, impregnation the time be 8 hours, the monomer solution include 50% solute,
20% solvent and 30% additive, solute is that 3,4-rthylene dioxythiophene adds aniline, and solvent is methanol, ethanol, butanol, different
One or more of propanol, additive is phytic acid；
2）In step 1）In impregnation after, then quality is added in monomer solution for the free oxygen agent of monomer solution 70%, electricity
Solution paper carries out secondary impregnation, and impregnation temperature is 25 degrees Celsius, and the impregnation time is 9 hours, and free oxygen agent is sodium peroxydisulfate；
3）Step 2 will be completed using cleanout fluid）The electrolytic paper of impregnation carries out 3-5 soaking and washing, cleanout fluid can for ultra-pure water,
Methanol, ethanol, butanol, one or more composition of isopropanol；
4）By step 3）Electrolytic paper drying after cleaning；
5）Electrolytic paper after drying and aluminium foil combination are wound and make core bag；
6）Core bag is impregnated with.
Its conductivity of the electrolytic paper of solid-state aluminum electrolytic capacitor produced using this method is 3 S/cm, and untreated
Electrolytic paper conductivity be 50 mS/cm.
Claims (2)
1. a kind of preparation method of solid-state aluminum electrolytic capacitor, it is characterised in that：Comprise the following steps, 1）By the electrolysis for cutting
Paper is impregnated with monomer solution, impregnation temperature be 5-50 degree Celsius, the impregnation time be 2-10 hours, the monomer solution bag
The solute of 20-60%, the solvent of 10-50% and the additive of 0-30% are included, solute is that 3,4-rthylene dioxythiophene adds aniline, pyrrole
The one or two kinds of coughed up, solvent be methanol, ethanol, butanol, one or more of isopropanol, additive be phytic acid or ultrapure
The mixture of water or phytic acid and ultra-pure water；
2）In step 1）In impregnation after, then quality is added to into monomer solution for the free oxygen agent of monomer solution 30%-70%
In, electrolytic paper carries out secondary impregnation, and impregnation temperature is 5-50 degree Celsius, and the impregnation time is 3-9 hours, and the free oxygen agent is
Sodium peroxydisulfate, p-methyl benzenesulfonic acid ferrum, iron chloride, sodium thiosulfate, one or more of Ammonium persulfate.；
3）Step 2 will be completed using cleanout fluid）The electrolytic paper of impregnation carry out 3-5 time cleaning, cleanout fluid include ultra-pure water, methanol,
Ethanol, butanol, one or more composition of isopropanol；
4）By step 3）Electrolytic paper drying after cleaning；
5）Electrolytic paper after drying and aluminium foil combination are wound and make core bag；
6）Core bag is impregnated with.
2. the preparation method of solid-state aluminum electrolytic capacitor according to claim 1, it is characterised in that：Step 3）Middle cleaning
Mode is for repeatedly flushing or soaks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166915.5A CN106601502A (en) | 2016-12-16 | 2016-12-16 | Method for preparing solid aluminum electrolytic capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166915.5A CN106601502A (en) | 2016-12-16 | 2016-12-16 | Method for preparing solid aluminum electrolytic capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106601502A true CN106601502A (en) | 2017-04-26 |
Family
ID=58599517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611166915.5A Pending CN106601502A (en) | 2016-12-16 | 2016-12-16 | Method for preparing solid aluminum electrolytic capacitors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106601502A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481861A (en) * | 2017-08-10 | 2017-12-15 | 肇庆绿宝石电子科技股份有限公司 | A kind of manufacture method of solid electrolytic capacitor |
| CN109686568A (en) * | 2019-01-14 | 2019-04-26 | 珠海格力新元电子有限公司 | Capacitor and preparation method thereof |
| CN109979756A (en) * | 2019-04-10 | 2019-07-05 | 湖南艾华集团股份有限公司 | The solid-state aluminum electrolytic capacitor and its manufacturing method of a kind of low temperature resistant and resistance to surge |
| CN111816448A (en) * | 2020-07-01 | 2020-10-23 | 益阳艾华富贤电子有限公司 | Blade type aluminum electrolytic capacitor and manufacturing method thereof |
| CN113539693A (en) * | 2020-10-13 | 2021-10-22 | 南通一品机械电子有限公司 | Method for reducing loss of high-voltage aluminum electrolytic capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61164216A (en) * | 1985-01-17 | 1986-07-24 | 三洋電機株式会社 | Electrolytic liquid for driving electrolytic capacitor |
| CN105551806A (en) * | 2016-03-07 | 2016-05-04 | 湖南艾华集团股份有限公司 | Square liquid-state aluminum electrolytic capacitor with flexible package and manufacturing process thereof |
| CN105826076A (en) * | 2016-05-10 | 2016-08-03 | 湖南艾华集团股份有限公司 | Novel solid-state capacitor and production method of the same |
-
2016
- 2016-12-16 CN CN201611166915.5A patent/CN106601502A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61164216A (en) * | 1985-01-17 | 1986-07-24 | 三洋電機株式会社 | Electrolytic liquid for driving electrolytic capacitor |
| CN105551806A (en) * | 2016-03-07 | 2016-05-04 | 湖南艾华集团股份有限公司 | Square liquid-state aluminum electrolytic capacitor with flexible package and manufacturing process thereof |
| CN105826076A (en) * | 2016-05-10 | 2016-08-03 | 湖南艾华集团股份有限公司 | Novel solid-state capacitor and production method of the same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107481861A (en) * | 2017-08-10 | 2017-12-15 | 肇庆绿宝石电子科技股份有限公司 | A kind of manufacture method of solid electrolytic capacitor |
| CN109686568A (en) * | 2019-01-14 | 2019-04-26 | 珠海格力新元电子有限公司 | Capacitor and preparation method thereof |
| CN109979756A (en) * | 2019-04-10 | 2019-07-05 | 湖南艾华集团股份有限公司 | The solid-state aluminum electrolytic capacitor and its manufacturing method of a kind of low temperature resistant and resistance to surge |
| CN111816448A (en) * | 2020-07-01 | 2020-10-23 | 益阳艾华富贤电子有限公司 | Blade type aluminum electrolytic capacitor and manufacturing method thereof |
| CN113539693A (en) * | 2020-10-13 | 2021-10-22 | 南通一品机械电子有限公司 | Method for reducing loss of high-voltage aluminum electrolytic capacitor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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