CN105575665A - Electrolyte for high-conductance and long-life aluminum electrolytic capacitor and preparation method thereof - Google Patents
Electrolyte for high-conductance and long-life aluminum electrolytic capacitor and preparation method thereof Download PDFInfo
- Publication number
- CN105575665A CN105575665A CN201510973316.3A CN201510973316A CN105575665A CN 105575665 A CN105575665 A CN 105575665A CN 201510973316 A CN201510973316 A CN 201510973316A CN 105575665 A CN105575665 A CN 105575665A
- Authority
- CN
- China
- Prior art keywords
- ammonium
- parts
- electrolytic capacitor
- electrolyte
- aluminum 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 57
- 239000003792 electrolyte Substances 0.000 title claims abstract description 57
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 42
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 42
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 42
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000004327 boric acid Substances 0.000 claims abstract description 36
- KWIPUXXIFQQMKN-UHFFFAOYSA-N 2-azaniumyl-3-(4-cyanophenyl)propanoate Chemical compound OC(=O)C(N)CC1=CC=C(C#N)C=C1 KWIPUXXIFQQMKN-UHFFFAOYSA-N 0.000 claims abstract description 34
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 claims abstract description 34
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000001741 Ammonium adipate Substances 0.000 claims abstract description 34
- GJYJYFHBOBUTBY-UHFFFAOYSA-N alpha-camphorene Chemical compound CC(C)=CCCC(=C)C1CCC(CCC=C(C)C)=CC1 GJYJYFHBOBUTBY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 235000019293 ammonium adipate Nutrition 0.000 claims abstract description 34
- 229940090948 ammonium benzoate Drugs 0.000 claims abstract description 34
- SATJMZAWJRWBRX-UHFFFAOYSA-N azane;decanedioic acid Chemical compound [NH4+].[NH4+].[O-]C(=O)CCCCCCCCC([O-])=O SATJMZAWJRWBRX-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 30
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000009508 confectionery Nutrition 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000003993 interaction Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 abstract 1
- 229930195725 Mannitol Natural products 0.000 abstract 1
- 230000005518 electrochemistry Effects 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 235000010355 mannitol Nutrition 0.000 abstract 1
- 239000000594 mannitol Substances 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- 239000002904 solvent Substances 0.000 description 4
- 238000009776 industrial production Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- -1 hydrocarbon saturated dicarboxylic acid Chemical class 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OWCLRJQYKBAMOL-UHFFFAOYSA-N 2-butyloctanedioic acid Chemical compound CCCCC(C(O)=O)CCCCCC(O)=O OWCLRJQYKBAMOL-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 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 compound 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 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007086 side reaction 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
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
-
- 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
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)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of electrolytes and particularly relates to an electrolyte for a high-conductance and long-life aluminum electrolytic capacitor and a preparation method thereof. The electrolyte is composed of the following raw materials in weight part: 8-12 parts of ammonium benzoate, 6-10 parts of ammonium adipate, 4-6 parts of polyethylene glycol, 1.5-2.5 parts of mannitol, 2-3 parts of boric acid, 2.5-3.5 parts of ammonium sebacate, 0.2-0.4 part of ammonium hypophosphite, 0.6-1.0 part of p nitrophenol, 3-5 parts of ammoniacal liquor, 0.1-0.3 part of EDTA and 55-75 parts of glycol. According to the technical scheme of the invention, based on the interaction of the above-described materials, the weight proportion of all the raw materials is strictly controlled, and the scintillation voltage of the prepared electrolyte is up to 380V. The conductivity of the prepared electrolyte is up to 5.5ms/cm. meanwhile, the electrolyte is good in electrochemistry characteristics, high in conductivity and long in service life, thus being applied to the manufacture of aluminum electrolytic capacitors.
Description
Technical field
The present invention relates to technical field of electrolyte, be specifically related to a kind of high conductance long life aluminum electrolytic capacitor electrolyte and preparation method thereof.
Background technology
Aluminium electrolytic capacitor is one of base components of electronic product.Along with improving constantly and the expansion of aluminium electrolytic capacitor range of application of Quality of electronic products, higher requirement is proposed to its performance.The electronic product such as Switching Power Supply, electricity-saving lamp requires very high to the security performance of high-voltage electrolysis capacitor.In filter circuit, capacitor bears high voltage, high ripple current, if feed is unstable or apply overvoltage, can causes the destruction of capacitor, catch fire, the accident such as burning.Aluminum electrolytic capacitor electrolyte is the actual negative electrode in the whole course of work of capacitor, has material impact to the performance of capacitor, wherein: serviceability temperature scope, working life, reliability, leakage current, loss, volume change etc. play a decisive role to electrical property.
At present, known or the Working electrolyte of medium-high voltage aluminum electrolytic capacitor, have passed through following evolution: one, be main solvent with ethylene glycol, the inorganic compound such as boric acid or ammonium pentaborate is main solute.There is the low problem of conductivity in the Working electrolyte of such preparation, and boric acid and salt thereof are at high temperature easily and ethylene glycol generation esterification and generate a large amount of condensation water, the moisture of electrolyte inside is caused to raise, the vapour pressure of electrolyte increases, and in capacitor, voltage rise is high and cause capacitor valve opening to lose efficacy; Two, take ethylene glycol as main solvent, the direct-connected hydrocarbon saturated dicarboxylic acid such as azelaic acid, decanedioic acid or 12 diacid and salt thereof is adopted to be electrolyte solution, although the electrolyte of this class avoids a part of esterification, but because the solubility of linear paraffin in ethylene glycol of this class is less, cause the impedance of product larger, easily generate heat under large ripple and make solvent evaporates, thus generation vicious circle, cause capacitor withered and lost efficacy, at high temperature easily there is amidatioon side reaction generation water in linear paraffin simultaneously, also easily causes capacitor early failure; Three, some branched acid or its salt is adopted, as 1 of report, 6-DDA and salt thereof and 2-butyl suberic acid and salt thereof, the solubility of this kind of branched carboxylic acid and salt pair solvent thereof increases than linear paraffin, thus effect is created to a certain extent, but meanwhile, this kind of acid or its salt mainly rely on import, thus cost is high and restraining factors are more.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the object of the present invention is to provide a kind of high conductance long life aluminum electrolytic capacitor electrolyte, this electrolyte flash over voltage can reach 380V, conductivity can reach 5.5ms/cm, there is good electrochemical properties, there is high conductivity and long-life advantage, can be applicable to the manufacture of aluminium electrolytic capacitor.
Another object of the present invention is to the preparation method providing a kind of high conductance long life aluminum electrolytic capacitor electrolyte, this preparation method's technique is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions: a kind of high conductance long life aluminum electrolytic capacitor electrolyte, and it is made up of the raw material of following weight portion:
Ammonium benzoate 8-12 part
Ammonium adipate 6-10 part
Polyethylene glycol 4-6 part
Sweet mellow wine 1.5-2.5 part
Boric acid 2-3 part
Ammonium sebacate 2.5-3.5 part
Ammonium hypophosphite 0.2-0.4 part
P-nitrophenol 0.6-1.0 part
Ammoniacal liquor 3-5 part
EDTA0.1-0.3 part
Ethylene glycol 55-75 part.
Electrolyte of the present invention is by adopting the interaction between above-mentioned raw materials, and the strict weight proportion controlling each raw material, obtained electrolyte flash over voltage can reach 380V, conductivity can reach 5.5ms/cm, there is good electrochemical properties, there is high conductivity and long-life advantage, can be applicable to the manufacture of aluminium electrolytic capacitor.
Preferably, it is made up of the raw material of following weight portion:
Ammonium benzoate 8-10 part
Ammonium adipate 6-8 part
Polyethylene glycol 4-5 part
Sweet mellow wine 1.5-2 part
Boric acid 2-2.5 part
Ammonium sebacate 2.5-3 part
Ammonium hypophosphite 0.2-0.3 part
P-nitrophenol 0.6-0.8 part
Ammoniacal liquor 3-4 part
EDTA0.1-0.2 part
Ethylene glycol 55-64.2 part.
Another is preferred, and it is made up of the raw material of following weight portion:
Ammonium benzoate 9-11 part
Ammonium adipate 7-9 part
Polyethylene glycol 4.5-5.5 part
Sweet mellow wine 1.8-2.2 part
Boric acid 2.2-2.8 part
Ammonium sebacate 2.8-3.2 part
Ammonium hypophosphite 0.25-0.35 part
P-nitrophenol 0.7-0.9 part
Ammoniacal liquor 3.5-4.5 part
EDTA0.15-0.25 part
Ethylene glycol 60-70 part.
Another is preferred, and it is made up of the raw material of following weight portion:
Ammonium benzoate 10-12 part
Ammonium adipate 8-10 part
Polyethylene glycol 5-6 part
Sweet mellow wine 2-2.5 part
Boric acid 2.5-3 part
Ammonium sebacate 3-3.5 part
Ammonium hypophosphite 0.3-0.4 part
P-nitrophenol 0.8-1.0 part
Ammoniacal liquor 4-5 part
EDTA0.2-0.3 part
Ethylene glycol 64.2-75 part.
More preferred, it is made up of the raw material of following weight portion:
Ammonium benzoate 9 parts
Ammonium adipate 7 parts
Polyethylene glycol 4.5 parts
1.8 parts, sweet mellow wine
Boric acid 2.2 parts
Ammonium sebacate 2.8 parts
Ammonium hypophosphite 0.25 part
P-nitrophenol 0.7 part
Ammoniacal liquor 3.5 parts
EDTA0.15 part
Ethylene glycol 60 parts.
Another is preferred, and it is made up of the raw material of following weight portion:
Ammonium benzoate 10 parts
Ammonium adipate 8 parts
Polyethylene glycol 5 parts
2 parts, sweet mellow wine
Boric acid 2.5 parts
Ammonium sebacate 3 parts
Ammonium hypophosphite 0.3 part
P-nitrophenol 0.8 part
Ammoniacal liquor 4 parts
EDTA0.2 part
Ethylene glycol 64.2 parts.
Another is preferred, and it is made up of the raw material of following weight portion:
Ammonium benzoate 11 parts
Ammonium adipate 9 parts
Polyethylene glycol 5.5 parts
2.2 parts, sweet mellow wine
Boric acid 2.8 parts
Ammonium sebacate 3.2 parts
Ammonium hypophosphite 0.35 part
P-nitrophenol 0.9 part
Ammoniacal liquor 4.5 parts
EDTA0.25 part
Ethylene glycol 70 parts.
Preferably, described polyethylene glycol is mean molecule quantity is 380-420.The present invention is by adopting mean molecule quantity to be the polyethylene glycol of 380-420, and obtained electrolyte has good electrochemical properties, has high conductivity and long-life advantage.
Preferably, the mass fraction of described ammoniacal liquor is 20%-30%.The present invention is by controlling at 20%-30% by the mass fraction of ammoniacal liquor, and obtained electrolyte has good electrochemical properties, has high conductivity and long-life advantage.
Another object of the present invention is achieved through the following technical solutions: a kind of preparation method of high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 25-35min, be then heated to 120-130 DEG C of insulation 30-60min, be chilled to 85-95 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Beneficial effect of the present invention is: electrolyte flash over voltage of the present invention can reach 380V, and conductivity can reach 5.5ms/cm, has good electrochemical properties, has high conductivity and long-life advantage, can be applicable to the manufacture of aluminium electrolytic capacitor.
Electrolyte of the present invention also tool has the following advantages:
1, achieve and support that aluminium electrolytic capacitor can reliable continuation work 10000 hours the above object under the ambient temperature of-55 DEG C ~+155 DEG C.
2, larger ripple current can be born, be applicable to various large scale electronic equipment; In the endurance test of load life, have passed the examination of 105 DEG C of load 8000h during ripple current 1A, do not occur that lead-in wire burn into punctures, explosion-proof valve ftractures the situations such as even burning, there is high reliability.
3, substantially increase security performance and the useful life of capacitor, capacitor can not be blasted, explosion-proof valve cracking even burning etc. bad, rate of finished products is high, can reach more than 98%.
Preparation method's technique of the present invention is simple, and convenient operation and control, steady quality, production efficiency is high, and production cost is low, can large-scale industrial production.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that execution mode is mentioned not is limitation of the invention.
Embodiment 1
A kind of high conductance long life aluminum electrolytic capacitor electrolyte, it is made up of the raw material of following weight portion:
Ammonium benzoate 8 parts
Ammonium adipate 6 parts
Polyethylene glycol 4 parts
1.5 parts, sweet mellow wine
Boric acid 2 parts
Ammonium sebacate 2.5 parts
Ammonium hypophosphite 0.2 part
P-nitrophenol 0.6 part
Ammoniacal liquor 3 parts
EDTA0.1 part
Ethylene glycol 55 parts.
Described polyethylene glycol is mean molecule quantity is 380.
The mass fraction of described ammoniacal liquor is 20%.
A preparation method for high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 25min, be then heated to 120 DEG C of insulation 60min, be chilled to 85 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Embodiment 2
A kind of high conductance long life aluminum electrolytic capacitor electrolyte, it is made up of the raw material of following weight portion:
Ammonium benzoate 9 parts
Ammonium adipate 7 parts
Polyethylene glycol 4.5 parts
1.8 parts, sweet mellow wine
Boric acid 2.2 parts
Ammonium sebacate 2.8 parts
Ammonium hypophosphite 0.25 part
P-nitrophenol 0.7 part
Ammoniacal liquor 3.5 parts
EDTA0.15 part
Ethylene glycol 60 parts.
Described polyethylene glycol is mean molecule quantity is 390.
The mass fraction of described ammoniacal liquor is 22%.
A preparation method for high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 28min, be then heated to 122 DEG C of insulation 50min, be chilled to 88 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Embodiment 3
A kind of high conductance long life aluminum electrolytic capacitor electrolyte, it is made up of the raw material of following weight portion:
Ammonium benzoate 10 parts
Ammonium adipate 8 parts
Polyethylene glycol 5 parts
2 parts, sweet mellow wine
Boric acid 2.5 parts
Ammonium sebacate 3 parts
Ammonium hypophosphite 0.3 part
P-nitrophenol 0.8 part
Ammoniacal liquor 4 parts
EDTA0.2 part
Ethylene glycol 64.2 parts.
Described polyethylene glycol is mean molecule quantity is 400.
The mass fraction of described ammoniacal liquor is 25%.
A preparation method for high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 30min, be then heated to 125 DEG C of insulation 45min, be chilled to 90 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Embodiment 4
A kind of high conductance long life aluminum electrolytic capacitor electrolyte, it is made up of the raw material of following weight portion:
Ammonium benzoate 11 parts
Ammonium adipate 9 parts
Polyethylene glycol 5.5 parts
2.2 parts, sweet mellow wine
Boric acid 2.8 parts
Ammonium sebacate 3.2 parts
Ammonium hypophosphite 0.35 part
P-nitrophenol 0.9 part
Ammoniacal liquor 4.5 parts
EDTA0.25 part
Ethylene glycol 70 parts.
Described polyethylene glycol is mean molecule quantity is 410.
The mass fraction of described ammoniacal liquor is 28%.
A preparation method for high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 32min, be then heated to 128 DEG C of insulation 40min, be chilled to 92 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Embodiment 5
A kind of high conductance long life aluminum electrolytic capacitor electrolyte, it is made up of the raw material of following weight portion:
Ammonium benzoate 12 parts
Ammonium adipate 10 parts
Polyethylene glycol 6 parts
2.5 parts, sweet mellow wine
Boric acid 3 parts
Ammonium sebacate 3.5 parts
Ammonium hypophosphite 0.4 part
P-nitrophenol 1.0 parts
Ammoniacal liquor 5 parts
EDTA0.3 part
Ethylene glycol 75 parts.
Described polyethylene glycol is mean molecule quantity is 420.
The mass fraction of described ammoniacal liquor is 30%.
A preparation method for high conductance long life aluminum electrolytic capacitor electrolyte, comprises the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 35min, be then heated to 130 DEG C of insulation 30min, be chilled to 95 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
The performance test of the electrolyte that embodiment 1-5 obtains is as shown in table 1:
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Flash over voltage (V) | 380 | 400 | 420 | 410 | 390 |
| Conductivity (ms/cm) | 5.5 | 6.0 | 6.5 | 6.2 | 5.8 |
As can be seen from Table 1, electrolyte flash over voltage of the present invention can reach 380V, and conductivity can reach 5.5ms/cm, has good electrochemical properties, has high conductivity and long-life advantage, can be applicable to the manufacture of aluminium electrolytic capacitor.
And the aluminium electrolytic capacitor adopting electrolyte of the present invention to obtain can reliably continuation work more than 10000 hours under the ambient temperature of-55 DEG C ~+155 DEG C, have have stable high-temperature performance, long-life feature.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. a high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 8-12 part
Ammonium adipate 6-10 part
Polyethylene glycol 4-6 part
Sweet mellow wine 1.5-2.5 part
Boric acid 2-3 part
Ammonium sebacate 2.5-3.5 part
Ammonium hypophosphite 0.2-0.4 part
P-nitrophenol 0.6-1.0 part
Ammoniacal liquor 3-5 part
EDTA0.1-0.3 part
Ethylene glycol 55-75 part.
2. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 8-10 part
Ammonium adipate 6-8 part
Polyethylene glycol 4-5 part
Sweet mellow wine 1.5-2 part
Boric acid 2-2.5 part
Ammonium sebacate 2.5-3 part
Ammonium hypophosphite 0.2-0.3 part
P-nitrophenol 0.6-0.8 part
Ammoniacal liquor 3-4 part
EDTA0.1-0.2 part
Ethylene glycol 55-64.2 part.
3. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 9-11 part
Ammonium adipate 7-9 part
Polyethylene glycol 4.5-5.5 part
Sweet mellow wine 1.8-2.2 part
Boric acid 2.2-2.8 part
Ammonium sebacate 2.8-3.2 part
Ammonium hypophosphite 0.25-0.35 part
P-nitrophenol 0.7-0.9 part
Ammoniacal liquor 3.5-4.5 part
EDTA0.15-0.25 part
Ethylene glycol 60-70 part.
4. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 10-12 part
Ammonium adipate 8-10 part
Polyethylene glycol 5-6 part
Sweet mellow wine 2-2.5 part
Boric acid 2.5-3 part
Ammonium sebacate 3-3.5 part
Ammonium hypophosphite 0.3-0.4 part
P-nitrophenol 0.8-1.0 part
Ammoniacal liquor 4-5 part
EDTA0.2-0.3 part
Ethylene glycol 64.2-75 part.
5. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 9 parts
Ammonium adipate 7 parts
Polyethylene glycol 4.5 parts
1.8 parts, sweet mellow wine
Boric acid 2.2 parts
Ammonium sebacate 2.8 parts
Ammonium hypophosphite 0.25 part
P-nitrophenol 0.7 part
Ammoniacal liquor 3.5 parts
EDTA0.15 part
Ethylene glycol 60 parts.
6. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 10 parts
Ammonium adipate 8 parts
Polyethylene glycol 5 parts
2 parts, sweet mellow wine
Boric acid 2.5 parts
Ammonium sebacate 3 parts
Ammonium hypophosphite 0.3 part
P-nitrophenol 0.8 part
Ammoniacal liquor 4 parts
EDTA0.2 part
Ethylene glycol 64.2 parts.
7. one according to claim 1 high conductance long life aluminum electrolytic capacitor electrolyte, is characterized in that: it is made up of the raw material of following weight portion:
Ammonium benzoate 11 parts
Ammonium adipate 9 parts
Polyethylene glycol 5.5 parts
2.2 parts, sweet mellow wine
Boric acid 2.8 parts
Ammonium sebacate 3.2 parts
Ammonium hypophosphite 0.35 part
P-nitrophenol 0.9 part
Ammoniacal liquor 4.5 parts
EDTA0.25 part
Ethylene glycol 70 parts.
8. the high conductance long life aluminum electrolytic capacitor of the one according to any one of claim 1-7 electrolyte, is characterized in that: described polyethylene glycol is mean molecule quantity is 380-420.
9. the high conductance long life aluminum electrolytic capacitor of the one according to any one of claim 1-7 electrolyte, is characterized in that: the mass fraction of described ammoniacal liquor is 20%-30%.
10. the preparation method of a kind of high conductance long life aluminum electrolytic capacitor electrolyte as described in any one of claim 1-9, is characterized in that: comprise the steps:
(1) ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammonium hypophosphite, p-nitrophenol, ammoniacal liquor, EDTA and ethylene glycol is taken by the weight proportion of raw material;
(2) ethylene glycol, ammonium benzoate, ammonium adipate, polyethylene glycol, sweet mellow wine, boric acid, ammonium sebacate, ammoniacal liquor and EDTA are mixed, stir 25-35min, be then heated to 120-130 DEG C of insulation 30-60min, be chilled to 85-95 DEG C;
(3) add ammonium hypophosphite and p-nitrophenol again, stir and be cooled to room temperature, obtained high conductance long life aluminum electrolytic capacitor electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973316.3A CN105575665B (en) | 2015-12-22 | 2015-12-22 | A kind of high conductance long life aluminum electrolytic capacitor electrolyte and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510973316.3A CN105575665B (en) | 2015-12-22 | 2015-12-22 | A kind of high conductance long life aluminum electrolytic capacitor electrolyte and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575665A true CN105575665A (en) | 2016-05-11 |
| CN105575665B CN105575665B (en) | 2018-08-21 |
Family
ID=55885690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510973316.3A Expired - Fee Related CN105575665B (en) | 2015-12-22 | 2015-12-22 | A kind of high conductance long life aluminum electrolytic capacitor electrolyte and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105575665B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705992A (en) * | 2017-10-23 | 2018-02-16 | 周瑛 | The electrolyte of the electricity-saving lamp alminium electrolytic condenser of efficient stable |
| CN107863251A (en) * | 2017-10-20 | 2018-03-30 | 周琼 | Electricity-saving lamp alminium electrolytic condenser electrolyte |
| CN107863250A (en) * | 2017-10-23 | 2018-03-30 | 周瑛 | The electrolyte of the alminium electrolytic condenser of efficient stable |
| US20220359126A1 (en) * | 2021-05-10 | 2022-11-10 | Pacesetter, Inc. | Electrolytic capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651821A (en) * | 1979-10-05 | 1981-05-09 | Hitachi Condenser | Electrolyte liquid for electrolytic condenser |
| CN101026038A (en) * | 2006-02-23 | 2007-08-29 | 南通江海电容器有限公司 | Working electrolyte of aluminum electrolytic capacitor |
| CN101840785A (en) * | 2010-04-23 | 2010-09-22 | 福建云星电子有限公司 | Novel electrolyte |
| CN103943363A (en) * | 2014-05-06 | 2014-07-23 | 广东风华高新科技股份有限公司 | Electrolyte of aluminum electrolytic capacitor, preparation method thereof and aluminum electrolytic capacitor |
| CN104240956A (en) * | 2013-06-06 | 2014-12-24 | 上海洪微电子科技有限公司 | Working electrolyte for ultrahigh-voltage aluminium electrolytic capacitor and manufacturing method thereof |
-
2015
- 2015-12-22 CN CN201510973316.3A patent/CN105575665B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651821A (en) * | 1979-10-05 | 1981-05-09 | Hitachi Condenser | Electrolyte liquid for electrolytic condenser |
| CN101026038A (en) * | 2006-02-23 | 2007-08-29 | 南通江海电容器有限公司 | Working electrolyte of aluminum electrolytic capacitor |
| CN101840785A (en) * | 2010-04-23 | 2010-09-22 | 福建云星电子有限公司 | Novel electrolyte |
| CN104240956A (en) * | 2013-06-06 | 2014-12-24 | 上海洪微电子科技有限公司 | Working electrolyte for ultrahigh-voltage aluminium electrolytic capacitor and manufacturing method thereof |
| CN103943363A (en) * | 2014-05-06 | 2014-07-23 | 广东风华高新科技股份有限公司 | Electrolyte of aluminum electrolytic capacitor, preparation method thereof and aluminum electrolytic capacitor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863251A (en) * | 2017-10-20 | 2018-03-30 | 周琼 | Electricity-saving lamp alminium electrolytic condenser electrolyte |
| CN107705992A (en) * | 2017-10-23 | 2018-02-16 | 周瑛 | The electrolyte of the electricity-saving lamp alminium electrolytic condenser of efficient stable |
| CN107863250A (en) * | 2017-10-23 | 2018-03-30 | 周瑛 | The electrolyte of the alminium electrolytic condenser of efficient stable |
| US20220359126A1 (en) * | 2021-05-10 | 2022-11-10 | Pacesetter, Inc. | Electrolytic capacitor |
| US11763997B2 (en) * | 2021-05-10 | 2023-09-19 | Pacesetter, Inc. | Electrolytic capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105575665B (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105513801A (en) | High temperature resistant, ripple resistant, and long life electrolyte for aluminium electrolytic capacitor and preparation method thereof | |
| CN105575665A (en) | Electrolyte for high-conductance and long-life aluminum electrolytic capacitor and preparation method thereof | |
| CN105513799A (en) | High water system electrolyte with high frequency and low impedance for aluminium electrolytic capacitor and preparation method thereof | |
| CN106098379B (en) | Electrolyte, the preparation method of electrolyte and aluminium electrolutic capacitor | |
| CN105469988A (en) | High-conductivity and high-sparking electrolyte for aluminum electrolytic capacitor and preparation method therefor | |
| CN105469990A (en) | Highly aqueous and high-stability electrolyte used for aluminum electrolytic capacitor and preparation method therefor | |
| CN105469991A (en) | High-sparking and long-service-life electrolyte for aluminum electrolytic capacitor and preparation method therefor | |
| CN107275093B (en) | A kind of 600V electrolyte and preparation method thereof | |
| CN105469992A (en) | High-sparking and anti-lightning electrolyte for aluminum electrolytic capacitor and preparation method therefor | |
| CN112582180B (en) | Electrolyte for high-hydration-resistance medium-high voltage aluminum electrolytic capacitor and preparation method | |
| CN105140035A (en) | Working electrolytic solution of aluminum electrolytic capacitor with resistance to high voltage and wide-range temperature and manufacturing method thereof | |
| CN105355432A (en) | High-temperature-resistant capacitor electrolyte | |
| CN111640578A (en) | Working electrolyte of aluminum electrolytic capacitor for LED and preparation method thereof | |
| CN107266313A (en) | A kind of sorbierite maleate compound and its preparation method and application | |
| CN104134544A (en) | Electrolyte of high-frequency ripple-resistant aluminum electrolytic capacitor | |
| CN105938759A (en) | Electrolytic capacitor middle-high voltage electrolyte and preparation method thereof | |
| CN105551802A (en) | Anhydrous system-based high-conductivity and long-lifetime electrolyte for aluminum electrolytic capacitor and preparation method of anhydrous system-based high-conductivity and long-lifetime electrolyte | |
| CN104538182A (en) | Electrolyte for medium and low voltage of electrolytic capacitor and preparation method of electrolyte | |
| CN107221438B (en) | A kind of super-pressure electrolyte solute and preparation method thereof | |
| CN114360913A (en) | Multifunctional boric acid-free electrolyte and preparation method thereof | |
| CN102779645B (en) | A kind of working electrolyte for aluminium electrolytic capacitor and preparation method | |
| CN107331514B (en) | - 40 DEG C of overclocking Low ESR low-voltage electrolysis liquid of one kind and preparation method thereof | |
| CN111627711A (en) | Working electrolyte of aluminum electrolytic capacitor with voltage lower than 63V | |
| CN107887164B (en) | Working electrolyte of 130 ℃ high-voltage aluminum electrolytic capacitor and preparation method | |
| CN111584239A (en) | Electrolyte of medium-voltage aluminum electrolytic capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 |