CN105513801B - A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte and preparation method thereof - Google Patents
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte and preparation method thereof Download PDFInfo
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- CN105513801B CN105513801B CN201510973327.1A CN201510973327A CN105513801B CN 105513801 B CN105513801 B CN 105513801B CN 201510973327 A CN201510973327 A CN 201510973327A CN 105513801 B CN105513801 B CN 105513801B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 53
- 239000003792 electrolyte Substances 0.000 title claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 114
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 47
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 46
- 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 claims abstract description 35
- CFBYEGUGFPZCNF-UHFFFAOYSA-N 2-nitroanisole Chemical compound COC1=CC=CC=C1[N+]([O-])=O CFBYEGUGFPZCNF-UHFFFAOYSA-N 0.000 claims abstract description 34
- 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 claims abstract description 34
- 229930195725 Mannitol Natural products 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
- 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
- 239000000594 mannitol Substances 0.000 claims abstract description 34
- 235000010355 mannitol Nutrition 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 31
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 11
- 239000004327 boric acid Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 239000004411 aluminium Substances 0.000 abstract description 10
- 230000003993 interaction Effects 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 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
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 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
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to technical field of electrolyte, and in particular to a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte and preparation method thereof, it is composed of the following raw materials in parts by weight：45-70 parts of 4-6 parts of ammonium sebacate, 1.5-2.5 parts of ammonium pentaborate, 0.8-1.2 parts of mannitol, 10-14 parts of branched carboxylic acids, 16-20 parts of scintillation elevator, 0.2-0.4 parts of organic phosphoric acid, 2.5-3.5 parts of ortho-nitroanisole, 0.2-0.3 parts of ammonium hypophosphite and ethylene glycol.The electrolyte of the present invention is by using the interaction between above-mentioned raw materials, and strictly control the weight proportion of each raw material, electrolyte flash over voltage obtained can reach 510V, conductivity can reach 1.8ms/cm, with good electrochemical properties, have the advantages that high temperature resistant, resistance to ripple and long-life, can be applied to the manufacture of aluminium electrolutic capacitor.
Description
Technical field
The present invention relates to technical field of electrolyte, and in particular to a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple use
Electrolyte and preparation method thereof.
Background technology
Aluminium electrolutic capacitor is one of base components of electronic product.With the continuous improvement of Quality of electronic products and aluminium electricity
The expansion of electrolysis condenser application range puts forward higher requirements its performance.The electronic products such as Switching Power Supply, energy-saving lamp are to high pressure
The security performance of electrolytic capacitor requires very high.In filter circuit, capacitor bears high voltage, high ripple current, if feed
It is unstable or apply overvoltage, you can the accidents such as to lead to the destruction of capacitor, catch fire, burn.Aluminum electrolytic capacitor electrolyte is electricity
Practical cathode in container whole work process, has a major impact the performance of capacitor, wherein：Use temperature range, work
Service life, reliability, leakage current, loss, volume change etc. play a decisive role to electrical property.
At present it is known that or medium-high voltage aluminum electrolytic capacitor Working electrolyte, have passed through following development
Process：One, using ethylene glycol as main solvent, the inorganic compounds such as boric acid or ammonium pentaborate are main solute.The work electricity prepared in this way
Solution liquid has that conductivity is low, and boric acid and its salt easily occur esterification with ethylene glycol at high temperature and generates a large amount of
Condensation water, cause the moisture inside electrolyte to increase, the vapour pressure of electrolyte increases, and capacitor internal pressure increases and causes
Capacitor valve opening fails；Two, using ethylene glycol as main solvent, two are saturated using the direct-connected hydrocarbon such as azelaic acid, decanedioic acid or 12 diacid
Carboxylic acid and its salt are electrolyte solution, although this kind of electrolyte avoids a part of esterification, but due to this
Solubility of a kind of linear paraffin in ethylene glycol is smaller, causes the impedance of product larger, is easy fever under big ripple and makes
Solvent volatilizees, and to generate vicious circle, causes capacitor withered and fails, while amide easily occurs at high temperature for linear paraffin
Change side reaction and generate water, also easily causes capacitor initial failure；Three, using some branched acid or its salt, 1 such as reported,
6-DDA and its salt and 2- butyl suberic acid and its salt, this kind of branched carboxylic acid and its salt compare straight chain to the solubility of solvent
Alkane increases, thus produces effect to a certain extent, but simultaneously, and this kind of acid or its salt rely primarily on import, because forming
This height and restraining factors are more.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of resistance to lines of high temperature resistant
Wavelength service life electrolyte for aluminum electrolytic capacitor, the electrolyte flash over voltage can reach 510V, and conductivity can reach
1.8ms/cm has good electrochemical properties, has the advantages that high temperature resistant, resistance to ripple and long-life, can be applied to aluminium electroloysis
The manufacture of capacitor.
Another object of the present invention is to provide a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte
Preparation method, the preparation method is simple for process, convenient operation and control, stable quality, and production efficiency is high, and production cost is low, can be big
Technical scale metaplasia is produced.
The purpose of the invention is achieved by the following technical solution：A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple use
Electrolyte, it is composed of the following raw materials in parts by weight：
4-6 parts of ammonium sebacate
1.5-2.5 parts of ammonium pentaborate
0.8-1.2 parts of mannitol
10-14 parts of branched carboxylic acids
16-20 parts of scintillation elevator
0.2-0.4 parts of organic phosphoric acid
2.5-3.5 parts of ortho-nitroanisole
0.2-0.3 parts of ammonium hypophosphite
45-70 parts of ethylene glycol.
The electrolyte of the present invention is by using the interaction between above-mentioned raw materials, and the weight for strictly controlling each raw material is matched
Than electrolyte flash over voltage obtained can reach 510V, and conductivity can reach 1.8ms/cm, have good electrochemistry special
Property, have the advantages that high temperature resistant, resistance to ripple and long-life, can be applied to the manufacture of aluminium electrolutic capacitor.
Preferably, it is composed of the following raw materials in parts by weight：
4-5 parts of ammonium sebacate
1.5-2 parts of ammonium pentaborate
0.8-1 parts of mannitol
10-12 parts of branched carboxylic acids
16-18 parts of scintillation elevator
0.2-0.3 parts of organic phosphoric acid
2.5-3 parts of ortho-nitroanisole
0.2-0.25 parts of ammonium hypophosphite
45-58.5 parts of ethylene glycol.
Another preferred, it is composed of the following raw materials in parts by weight：
4.5-5.5 parts of ammonium sebacate
1.8-2.2 parts of ammonium pentaborate
0.9-1.1 parts of mannitol
11-13 parts of branched carboxylic acids
17-19 parts of scintillation elevator
0.25-0.35 parts of organic phosphoric acid
2.8-3.2 parts of ortho-nitroanisole
0.22-0.28 parts of ammonium hypophosphite
50-65 parts of ethylene glycol.
Another preferred, it is composed of the following raw materials in parts by weight：
5-6 parts of ammonium sebacate
2-2.5 parts of ammonium pentaborate
1-1.2 parts of mannitol
12-14 parts of branched carboxylic acids
18-20 parts of scintillation elevator
0.3-0.4 parts of organic phosphoric acid
3-3.5 parts of ortho-nitroanisole
0.25-0.3 parts of ammonium hypophosphite
58.5-70 parts of ethylene glycol.
More preferably, it is composed of the following raw materials in parts by weight：
4.5 parts of ammonium sebacate
1.8 parts of ammonium pentaborate
0.9 part of mannitol
11 parts of branched carboxylic acids
17 parts of scintillation elevator
0.25 part of organic phosphoric acid
2.8 parts of ortho-nitroanisole
0.22 part of ammonium hypophosphite
50 parts of ethylene glycol.
Another preferred, it is composed of the following raw materials in parts by weight：
5 parts of ammonium sebacate
2 parts of ammonium pentaborate
1 part of mannitol
12 parts of branched carboxylic acids
18 parts of scintillation elevator
0.3 part of organic phosphoric acid
3 parts of ortho-nitroanisole
0.25 part of ammonium hypophosphite
58.5 parts of ethylene glycol.
Another preferred, it is composed of the following raw materials in parts by weight：
5.5 parts of ammonium sebacate
2.2 parts of ammonium pentaborate
1.1 parts of mannitol
13 parts of branched carboxylic acids
19 parts of scintillation elevator
0.35 part of organic phosphoric acid
3.2 parts of ortho-nitroanisole
0.28 part of ammonium hypophosphite
65 parts of ethylene glycol.
Preferably, the scintillation elevator is by PVA and boric acid with weight ratio 1：1.8-2.2 reactions are obtained to have solid
The colloidal cpd of structure.The present invention is by using PVA and boric acid with weight ratio 1：1.8-2.2 reaction is obtained to have three-dimensional knot
The colloidal cpd of structure has higher flash over voltage as scintillation elevator, electrolyte obtained；It can also ensure capacitor
While high voltage, makes aluminium electrolutic capacitor remain to keep preferable performance after long-term use, realize the long-life.It is more excellent
Choosing, the scintillation elevator is by PVA and boric acid with weight ratio 1：The 2 reactions gluey chemical combination obtained with stereochemical structure
Object.
Preferably, the branched carboxylic acids are the branch carboxylic of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production
Acid.The branched carboxylic acids for the model JZ-01 that the present invention is produced by using Dongguan City Jiu Zhi Electronics Co., Ltd.s have higher
The advantages that solubility, low resistance, low-temperature electrolyte are not easy to crystallize.
The organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.This hair
The organic phosphoric acid of the bright model JZ-12 by using the production of Dongguan City Jiu Zhi Electronics Co., Ltd.s, is made electrolyte with good
Good electrochemical properties, have the advantages that high temperature resistant, resistance to ripple and long-life.
Another object of the present invention is achieved through the following technical solutions：A kind of high temperature resistant long-service-life aluminum electrolytic of resistance to ripple capacitance
The preparation method of device electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 85-95 DEG C of heat preservation 25-35min is heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, 140- is heated to
150 DEG C of heat preservation 1.5-2.5h, are chilled to 85-95 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
The preparation method of the present invention is simple for process, convenient operation and control, stable quality, and production efficiency is high, and production cost is low,
It can large-scale industrial production.
The beneficial effects of the present invention are：The electrolyte flash over voltage of the present invention can reach 510V, and conductivity can reach
To 1.8ms/cm, there are good electrochemical properties, have the advantages that high temperature resistant, resistance to ripple and long-life, can be applied to aluminium electricity
The manufacture of electrolysis condenser.
The electrolyte of the present invention also has the following advantages that：
1, it realizes and supports aluminium electrolutic capacitor that can reliably continue sex work under -55 DEG C~+155 DEG C of environment temperature
10000 hours the above object.
2, larger ripple current can be born, various large scale electronic equipments are suitable for；In the durability test of load life
In when having passed through ripple current 1A 105 DEG C of load 8000h examination, there is not the breakdown of lead burn into, explosion-proof valve cracking even
The situations such as burning have high reliability.
3, the security performance and service life of capacitor are substantially increased, explosion, explosion-proof valve cracking will not occur for capacitor
Even bad, the high yield rate such as burning, up to 98% or more.
The preparation method of the present invention is simple for process, convenient operation and control, stable quality, and production efficiency is high, and production cost is low,
It can large-scale industrial production.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is composed of the following raw materials in parts by weight：
4 parts of ammonium sebacate
1.5 parts of ammonium pentaborate
0.8 part of mannitol
10 parts of branched carboxylic acids
16 parts of scintillation elevator
0.2 part of organic phosphoric acid
2.5 parts of ortho-nitroanisole
0.2 part of ammonium hypophosphite
45 parts of ethylene glycol.
The scintillation elevator is by PVA and boric acid with weight ratio 1:The 1.8 reactions glue obtained with stereochemical structure
Compound.
The branched carboxylic acids are the branched carboxylic acids of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production；It is described
Organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.
A kind of preparation method of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 85 DEG C of heat preservation 35min are heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 140 DEG C
2.5h is kept the temperature, is chilled to 85 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
Embodiment 2
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is composed of the following raw materials in parts by weight：
4.5 parts of ammonium sebacate
1.8 parts of ammonium pentaborate
0.9 part of mannitol
11 parts of branched carboxylic acids
17 parts of scintillation elevator
0.25 part of organic phosphoric acid
2.8 parts of ortho-nitroanisole
0.22 part of ammonium hypophosphite
50 parts of ethylene glycol.
The scintillation elevator is by PVA and boric acid with weight ratio 1:The 1.9 reactions glue obtained with stereochemical structure
Compound.
The branched carboxylic acids are the branched carboxylic acids of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production；It is described
Organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.
A kind of preparation method of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 88 DEG C of heat preservation 32min are heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 142 DEG C
2.2h is kept the temperature, is chilled to 88 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
Embodiment 3
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is composed of the following raw materials in parts by weight：
5 parts of ammonium sebacate
2 parts of ammonium pentaborate
1 part of mannitol
12 parts of branched carboxylic acids
18 parts of scintillation elevator
0.3 part of organic phosphoric acid
3 parts of ortho-nitroanisole
0.25 part of ammonium hypophosphite
58.5 parts of ethylene glycol.
The scintillation elevator is by PVA and boric acid with weight ratio 1:2 reactions are obtained gelatinization with stereochemical structure
Close object.
The branched carboxylic acids are the branched carboxylic acids of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production；It is described
Organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.
A kind of preparation method of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 90 DEG C of heat preservation 30min are heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 145 DEG C
2h is kept the temperature, is chilled to 90 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
Embodiment 4
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is composed of the following raw materials in parts by weight：
5.5 parts of ammonium sebacate
2.2 parts of ammonium pentaborate
1.1 parts of mannitol
13 parts of branched carboxylic acids
19 parts of scintillation elevator
0.35 part of organic phosphoric acid
3.2 parts of ortho-nitroanisole
0.28 part of ammonium hypophosphite
65 parts of ethylene glycol.
The scintillation elevator is by PVA and boric acid with weight ratio 1:2.1 the reaction glue obtained with stereochemical structure
Compound.
The branched carboxylic acids are the branched carboxylic acids of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production；It is described
Organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.
A kind of preparation method of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 92 DEG C of heat preservation 28min are heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 148 DEG C
1.8h is kept the temperature, is chilled to 92 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
Embodiment 5
A kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is composed of the following raw materials in parts by weight：
6 parts of ammonium sebacate
2.5 parts of ammonium pentaborate
1.2 parts of mannitol
14 parts of branched carboxylic acids
20 parts of scintillation elevator
0.4 part of organic phosphoric acid
3.5 parts of ortho-nitroanisole
0.3 part of ammonium hypophosphite
70 parts of ethylene glycol.
The scintillation elevator is by PVA and boric acid with weight ratio 1:The 2.2 reactions glue obtained with stereochemical structure
Compound.
The branched carboxylic acids are the branched carboxylic acids of the model JZ-01 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production；It is described
Organic phosphoric acid is the organic phosphoric acid of the model JZ-12 of Dongguan City Jiu Zhi Electronics Co., Ltd.s production.
A kind of preparation method of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, includes the following steps：
（1）By the weight proportion of raw material weigh ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator,
Organic phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 95 DEG C of heat preservation 25min are heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 150 DEG C
1.5h is kept the temperature, is chilled to 95 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, it is long that the resistance to ripple of high temperature resistant is made to being cooled to room temperature in stirring
Service life electrolyte for aluminum electrolytic capacitor.
The performance test of electrolyte made from embodiment 1-5 is as shown in table 1：
Table 1
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Flash over voltage（V） | 510 | 530 | 550 | 540 | 520 |
| Conductivity（ms/cm） | 1.8 | 2.2 | 2.6 | 2.4 | 2.0 |
As it can be seen from table 1 the electrolyte flash over voltage of the present invention can reach 510V, conductivity can reach 1.8ms/
Cm has good electrochemical properties, has the advantages that high temperature resistant, resistance to ripple and long-life, can be applied to aluminium electrolutic capacitor
Manufacture.
And aluminium electrolutic capacitor made from electrolyte using the present invention can under -55 DEG C~+155 DEG C of environment temperature
Reliably continue sex work 10000 hours or more, has the characteristics that have stable high-temperature performance, the long-life.
The examination of 105 DEG C of load 8000h, does not go out when having passed through ripple current 1A in the durability test of load life
The situations such as existing lead burn into breakdown, explosion-proof valve cracking even burning, have high reliability.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other manner,
Any obvious replacement is not departed under the premise of present inventive concept within protection scope of the present invention.
Claims (8)
1. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte, it is characterised in that：It is by following parts by weight
Raw material forms：
4-6 parts of ammonium sebacate
1.5-2.5 parts of ammonium pentaborate
0.8-1.2 parts of mannitol
10-14 parts of branched carboxylic acids
16-20 parts of scintillation elevator
0.2-0.4 parts of organic phosphoric acid
2.5-3.5 parts of ortho-nitroanisole
0.2-0.3 parts of ammonium hypophosphite
45-70 parts of ethylene glycol；
Wherein, the scintillation elevator is by PVA and boric acid with weight ratio 1：2 reactions are obtained gelatinization with stereochemical structure
Close object.
2. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
4-5 parts of ammonium sebacate
1.5-2 parts of ammonium pentaborate
0.8-1 parts of mannitol
10-12 parts of branched carboxylic acids
16-18 parts of scintillation elevator
0.2-0.3 parts of organic phosphoric acid
2.5-3 parts of ortho-nitroanisole
0.2-0.25 parts of ammonium hypophosphite
45-58.5 parts of ethylene glycol.
3. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
4.5-5.5 parts of ammonium sebacate
1.8-2.2 parts of ammonium pentaborate
0.9-1.1 parts of mannitol
11-13 parts of branched carboxylic acids
17-19 parts of scintillation elevator
0.25-0.35 parts of organic phosphoric acid
2.8-3.2 parts of ortho-nitroanisole
0.22-0.28 parts of ammonium hypophosphite
50-65 parts of ethylene glycol.
4. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
5-6 parts of ammonium sebacate
2-2.5 parts of ammonium pentaborate
1-1.2 parts of mannitol
12-14 parts of branched carboxylic acids
18-20 parts of scintillation elevator
0.3-0.4 parts of organic phosphoric acid
3-3.5 parts of ortho-nitroanisole
0.25-0.3 parts of ammonium hypophosphite
58.5-70 parts of ethylene glycol.
5. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
4.5 parts of ammonium sebacate
1.8 parts of ammonium pentaborate
0.9 part of mannitol
11 parts of branched carboxylic acids
17 parts of scintillation elevator
0.25 part of organic phosphoric acid
2.8 parts of ortho-nitroanisole
0.22 part of ammonium hypophosphite
50 parts of ethylene glycol.
6. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
5 parts of ammonium sebacate
2 parts of ammonium pentaborate
1 part of mannitol
12 parts of branched carboxylic acids
18 parts of scintillation elevator
0.3 part of organic phosphoric acid
3 parts of ortho-nitroanisole
0.25 part of ammonium hypophosphite
58.5 parts of ethylene glycol.
7. a kind of high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte according to claim 1, feature exist
In：It is composed of the following raw materials in parts by weight：
5.5 parts of ammonium sebacate
2.2 parts of ammonium pentaborate
1.1 parts of mannitol
13 parts of branched carboxylic acids
19 parts of scintillation elevator
0.35 part of organic phosphoric acid
3.2 parts of ortho-nitroanisole
0.28 part of ammonium hypophosphite
65 parts of ethylene glycol.
8. such as a kind of system of the high temperature resistant long life aluminum electrolytic capacitor of resistance to ripple electrolyte of claim 1-7 any one of them
Preparation Method, it is characterised in that：Include the following steps：
（1）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids, scintillation elevator, organic is weighed by the weight proportion of raw material
Phosphoric acid, ortho-nitroanisole, ammonium hypophosphite and ethylene glycol；
（2）Ethylene glycol and scintillation elevator are mixed, 85-95 DEG C of heat preservation 25-35min is heated to；
（3）Ammonium sebacate, ammonium pentaborate, mannitol, branched carboxylic acids and organic phosphoric acid are sequentially added, is heated to 140-150 DEG C
1.5-2.5h is kept the temperature, is chilled to 85-95 DEG C；
（4）Ortho-nitroanisole and ammonium hypophosphite are added, the high temperature resistant resistance to ripple long-life is made to being cooled to room temperature in stirring
Electrolyte for aluminum electrolytic capacitor.
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| CN107266313A (en) * | 2017-06-30 | 2017-10-20 | 东莞市久制电子有限公司 | A kind of sorbierite maleate compound and its preparation method and application |
| CN111524709A (en) * | 2020-04-27 | 2020-08-11 | 广东联盈控电子科技有限公司 | Working electrolyte for flame-retardant high-voltage aluminum electrolytic capacitor and preparation method thereof |
| CN111554513A (en) * | 2020-04-28 | 2020-08-18 | 安徽诚越电子科技有限公司 | Electrolyte for high-temperature-resistant aluminum electrolytic capacitor and aluminum electrolytic capacitor |
| CN111584240A (en) * | 2020-06-09 | 2020-08-25 | 贵州云睿电子科技有限公司 | Wide-temperature wide-pressure large-ripple-resistant electrolyte |
| CN112038097B (en) * | 2020-07-13 | 2022-03-29 | 南通星晨电子有限公司 | Capacitor electrolyte and preparation method and application thereof |
| CN111883363A (en) * | 2020-07-13 | 2020-11-03 | 南通星晨电子有限公司 | Capacitor electrolysis blending liquid and preparation method thereof |
| CN114420454B (en) * | 2021-12-25 | 2024-03-29 | 深圳奥凯普电容器有限公司 | Electrolyte for high-temperature-resistant capacitor and preparation method thereof |
| CN114360913A (en) * | 2022-01-05 | 2022-04-15 | 贵州云睿电子科技有限公司 | Multifunctional boric acid-free electrolyte and preparation method thereof |
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| CN101572187B (en) * | 2008-04-30 | 2011-07-20 | 深圳新宙邦科技股份有限公司 | Preparation method of electrolyte of medium-high voltage aluminum electrolytic capacitor |
| CN102779644B (en) * | 2012-05-24 | 2015-05-27 | 深圳中元电子有限公司 | Electrolyte for flame-retardant wide-temperature high-voltage aluminum electrolytic capacitor and preparation method thereof |
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