CN107644740A - 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor and compound method - Google Patents
500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor and compound method Download PDFInfo
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Abstract
Present invention relates particularly to a kind of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor and compound method, its electrolyte is formed by the raw material configuration of following percentage by weight：Base solvent 50~80%；Second solvent 5~15%；3rd solvent 5~20%；Organic carboxyl acid 2~20%；Organic amine 2~20%；Organic ether 8~18%；Passivator 0.1~1%；P nitrobenzyl alcohol 0.2~2%.The application is in the first solvent+organic carboxyl acid+organic ether system by adding the second solvent and the 3rd solvent；First solvent is ethylene glycol, second solvent and the 3rd solvent can effectively reduce the viscosity of boron series-free working electrolyte, and ion collision is effectively reduced, enable ethylene glycol+organic carboxyl acid+organic ether turns into the excellent 500WV aluminium electrolutic capacitor Working electrolytes of a kind of safe and stable, long-life, stroboscopic nature without boron system.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor and
Compound method.
Background technology
Medium-high voltage aluminum electrolytic capacitor extensively using in general electronic circuit, its be mainly used for energy storage, filtering, coupling,
Vibration, phase shift, decompression, integration, memory etc..Working electrolyte of electrolytic capacitor is being electrolysed as the actual negative pole of electrolytic capacitor
In occupation of extremely important status in capacitor product, can it is responsible for product normal work and with optimization electric capacity for a long time
The effect of device electric property.
Traditional medium-high voltage aluminum electrolytic capacitor is boric acid or borate+glycol system, wherein boron with Working electrolyte
Acid or borate are often in medium-high voltage aluminum electrolytic capacitor with playing vital effect in Working electrolyte.Due to boric acid or
Esterification can occur for borate and ethylene glycol, a small amount of water can be produced after reaction, water is present in electrolyte on a small quantity contributes to electricity
The reparation of container electrode foil oxide film, the presence of a small amount of water have the dissolving beneficial to solute in Working electrolyte, are advantageous to work electricity
The raising of liquid electrical conductivity is solved, while also with diethylene glycol (DEG) or polyethylene glycol or polyvinyl alcohol esterification can occur for boric acid or borate instead
Should, it can greatly improve the flash over voltage of Working electrolyte after reaction, the Working electrolyte of high flash over voltage is advantageous to mesohigh
The safety and stability of aluminium electrolytic capacitor product.
But boron and its salts substances are all arranged in high concern material (SVHC) list of EU chemicals management board announcement
Enter in banned substance.Stroboscopic lamp as the professional application such as safe city, intelligent transportation, beautifying medical field necessary equipment
The whole world obtains more and more extensive use, the stroboscopic as the most important energy storage arresting element-aluminium electrolutic capacitor of stroboscopic lamp
Life-span increasingly determines the service life of stroboscopic lamp.
In summary, a kind of regulation that can meet EU chemicals management board is lacked in existing market, meets the whole world
The 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor and its compound method of the market demand.
The content of the invention
It is an object of the invention to provide a kind of work of the high-quality of high stroboscopic nature for not containing boron and its salts substances
Electrolyte and compound method, so that 500WV stroboscopic aluminium electrolutic capacitors both meet EU criteria, and can meets 500WV aluminium
Electrolytic capacitor is applied at some specific occasions (stroboscopic lamp, beauty instrument).
To achieve the above object, the present invention provides a kind of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor, by with
The raw material configuration of lower percentage by weight forms：
Second solvent and the 3rd solvent are used for the viscosity for reducing Working electrolyte.
In the above-mentioned technical solutions, further, the base solvent is ethylene glycol；Second solvent and the 3rd solvent
For dimethyl sulfoxide, N,N-dimethylformamide, methyl cyanide, acetone, 4 hydroxybutyric acid lactone, HMPA, tetrahydrochysene furan
Mutter, be in DMI several.
In any of the above-described technical scheme, further, the organic carboxyl acid refer to adipic acid, suberic acid, azelaic acid hydrogen,
Decanedioic acid, dodecandioic acid, 1,7- decanedioic acid, 1,6- dodecandioic acids, 2,7- dodecandioic acids, 1,10- tetradecane dicarboxylic acids, 1,12- 18
One or more combination in bisgallic acid.
In any of the above-described technical scheme, further, the organic ether is diethylene glycol ethers, polyglycol ether, polyglycereol
One or more of combinations in ether, poly- sweet dew alcohol ether, poly- sorbose alcohol ether.
In any of the above-described technical scheme, further, the passivator is ammonium hypophosphite.
In addition, the present invention also provides a kind of compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor, wrap
Include：
Step 1, base solvent and organic carboxyl acid are weighed, and sequentially added in container；The first temperature is heated to, is stirred；
Step 2, organic amine will be weighed with liquid-transfering device, the solution instilled in container, stirring；
Step 3, organic ether, passivator, p nitrobenzyl alcohol are weighed, and sequentially added in container；Stirring；
Step 4, keep second temperature, stirring；
Step 5, the 3rd temperature is cooled to, adds the second solvent, the 3rd solvent；
Step 6, keep the 4th temperature, stirring；
Step 7, room temperature is naturally cooled to, discharged；
Wherein, the following percentage by weight configuration of each component：
Wherein, the first temperature is less than the 4th temperature, and the 4th temperature is less than the 3rd temperature, and the 3rd temperature is less than the
Two temperature.
In the above-mentioned technical solutions, further, the step 1 specifically includes：
Weigh base solvent and organic carboxyl acid, add in container, stir and be heated up to the first temperature；Stop heating,
Then stir to whole dissolvings.
In any of the above-described technical scheme, further, first temperature is 50 DEG C, and the second temperature is 135 DEG C,
3rd temperature is 90 DEG C, and the 4th temperature is 80 DEG C.
In any of the above-described technical scheme, further, in the step 4, second temperature is kept 150 minutes, stirring；
In the step 6, the 4th temperature is kept 90 minutes, stirring.
In any of the above-described technical scheme, further, the base solvent is ethylene glycol；Second solvent and the 3rd
Solvent is dimethyl sulfoxide, N,N-dimethylformamide, methyl cyanide, acetone, 4 hydroxybutyric acid lactone, HMPA, four
It is several in hydrogen furans, DMI；The organic carboxyl acid refer to adipic acid, suberic acid, azelaic acid hydrogen, decanedioic acid, dodecandioic acid,
1,7- decanedioic acid, 1,6- dodecandioic acids, 2,7- dodecandioic acids, 1,10- tetradecane dicarboxylic acids, one kind in 1,12- octadecane diacids or several
Kind combination；The organic ether is one in diethylene glycol ethers, polyglycol ether, polyglyceryl ether, poly- sweet dew alcohol ether, poly- sorbose alcohol ether
Kind or several combinations；The passivator is ammonium hypophosphite.
The beneficial effects of the invention are as follows：The 500WV stroboscopic lamp working electrolyte for aluminium electrolytic capacitor that the application provides,
First solvent+organic carboxyl acid+organic ether system is by adding the second solvent and the 3rd solvent；First solvent is ethylene glycol, second
Solvent and the 3rd solvent are proton solvent or aprotic polar solvent, and the second solvent and the 3rd solvent can effectively reduce no boron system work
Make the viscosity of electrolyte, and effectively reduce ion collision, enable ethylene glycol+organic carboxyl acid+organic ether turns into one without boron system
The excellent 500WV aluminium electrolutic capacitor Working electrolytes of kind safe and stable, long-life, stroboscopic nature.
Embodiment
The present invention provides a kind of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor, by following percentage by weight
Raw material configuration forms：
Wherein, the base solvent is ethylene glycol；Second solvent and the 3rd solvent are dimethyl sulfoxide, N, N- dimethyl
It is several in formamide, methyl cyanide, acetone, 4 hydroxybutyric acid lactone, HMPA, tetrahydrofuran, DMI.
Wherein, the organic ether is organic flash over voltage elevator, specially diethylene glycol ethers, polyglycol ether, polyglycereol
One or more of combinations in ether, poly- sweet dew alcohol ether, poly- sorbose alcohol ether, can effectively improve the sudden strain of a muscle of boron series-free working electrolyte
Thermoelectricity pressure.
Wherein, the organic carboxyl acid refers to adipic acid, suberic acid, azelaic acid hydrogen, decanedioic acid, dodecandioic acid, 1, the 7- last of the ten Heavenly stems two
One or more combination in acid, 1,6- dodecandioic acids, 2,7- dodecandioic acids, 1,10- tetradecane dicarboxylic acids, 1,12- octadecane diacids.
Wherein, the passivator is ammonium hypophosphite, main to repair the phosphating coat of oxide-film outer layer on electrode foil and reach
Suppress the effect of hydration, the complete of phosphating coat is present so that alumite is insensitive to hydration reaction, so as to protect aluminium medium oxygen
Change film.
Moreover, organic carboxyl acid and ammonium hypophosphite mainly repair electrode in medium-high voltage aluminum electrolytic capacitor aging and work
Oxide-film on paper tinsel, the complete life characteristic for depositing the electrical characteristic for improving 500WV aluminium electrolutic capacitors and product of oxide-film.
The alumina diaphragm defect constantly on repairing electrode foil is needed in 500WV aging aluminium electrolysis capacitors and the course of work,
Repairing alumina diaphragm defect will produce hydrogen, and the generation of hydrogen can raise electrolytic capacitor internal pressure, electrolytic capacitor when serious
It can explode, and p nitrobenzyl alcohol is exactly to play a part of absorbing hydrogen in this course, organic amine is Working electrolyte soda acid
The conditioning agent of degree.
In the first solvent+organic carboxyl acid+organic ether system by adding the second solvent and the 3rd solvent；First solvent is second
Glycol, the second solvent and the 3rd solvent are proton solvent or aprotic polar solvent, and the second solvent and the 3rd solvent can effectively drop
The viscosity of low boron series-free working electrolyte, and effectively reduce ion collision, make ethylene glycol+organic carboxyl acid+organic ether without boron body
System can be as the excellent 500WV aluminium electrolutic capacitor Working electrolytes of a kind of safe and stable, long-life, stroboscopic nature.
Compared to prior art, 500WV stroboscopic lamps that the application provides working electrolyte for aluminium electrolytic capacitor have with
Lower advantage：High concern material (SVHC) list announced by EU chemicals management board, before completely without using boron and its salt
Put, solvent, solute, additive screened using orthogonal experiment, improve Working electrolyte stroboscopic nature and its
The ability of fast charging and discharging, overcome boron and its salt in traditional aluminium electrolutic capacitor course of work and esterification occurs again instead with ethylene glycol
The problem of being overheated when answering and producing water and fast charging and discharging, so as to obtain the excellent height of high stable high-quality, stroboscopic nature
Pressure (500WV) aluminium electrolutic capacitor is electrolysed with work, and the life-span is long more than conventional operation electrolyte electrolytic capacitor, and can be obvious
Lift the performance of aluminium electrolutic capacitor stroboscopic.
The compound method for the 500WV stroboscopic lamp working electrolyte for aluminium electrolytic capacitor that the application provides, including following seven
Individual step.
Step 1, weighs ethylene glycol 50~80%, and organic carboxyl acid 2~20% adds in container, stirs and be heated up to
50℃；Stop heating, stir to whole dissolvings；
Step 2, then with liquid-transfering device will weigh organic amine 2~20% instill at leisure and accelerate stirring 30 minutes；
Step 3, organic ether 8~18% is weighed, then the ammonium hypophosphite 0.1~1% that weighed with scale, p-nitrophenyl first
Alcohol 0.2~2% is simultaneously sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5,90 DEG C are cooled to again by the second solvent 5~15%, the 3rd solvent 5~20%；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 1
Weigh in parts by weight：50 parts of ethylene glycol, 5.5 parts of adipic acid, 10 parts of dimethyl sulfoxide, N,N-dimethylformamide 14
Part, 11 parts of organic amine, 8 parts of diethylene glycol ethers, 0.3 part of ammonium hypophosphite；1.2 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, adipic acid are added in container, stirs and is heated up to 50 DEG C；Stop heating, stirring is extremely
All dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, diethylene glycol ethers, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds dimethyl sulfoxide, DMF；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 2
Weigh in parts by weight：63 parts of ethylene glycol, 3 parts of suberic acid, 6 parts of N,N-dimethylformamide, 10 parts of methyl cyanide, have
6 parts of machine amine, 10 parts of polyglycol ether, 0.5 part of ammonium hypophosphite；1.5 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, suberic acid are added in container, stirs and is heated up to 50 DEG C；Stop heating, stirring is extremely
All dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, polyglycol ether, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds DMF, methyl cyanide；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 3
Weigh in parts by weight：It is 57 parts of ethylene glycol, 7 parts of azelaic acid hydrogen, 6 parts of acetone, 7 parts of 4 hydroxybutyric acid lactone, organic
6 parts of amine, 15 parts of polyglyceryl ether, 0.8 part of ammonium hypophosphite；1.2 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, azelaic acid hydrogen are added in container, stirs and is heated up to 50 DEG C；Stop heating, stirring
To whole dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, polyglyceryl ether, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds acetone, 4 hydroxybutyric acid lactone；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 4
Weigh in parts by weight：50 parts of ethylene glycol, 5 parts of decanedioic acid, 7 parts of acetone, 7 parts of 4 hydroxybutyric acid lactone, organic amine
11 parts, 18 parts of poly- sorbose alcohol ether, 0.3 part of ammonium hypophosphite；1.7 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, decanedioic acid are added in container, stirs and is heated up to 50 DEG C；Stop heating, stirring is extremely
All dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, poly- sorbose alcohol ether, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds acetone, 4 hydroxybutyric acid lactone；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 5
Weigh in parts by weight：58 parts of ethylene glycol, 6 parts of dodecandioic acid, 7 parts of HMPA, 7 parts of tetrahydrofuran,
8 parts of organic amine, 12 parts of poly- sweet dew alcohol ether, 0.5 part of ammonium hypophosphite；1.5 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, dodecandioic acid are added in container, stirs and is heated up to 50 DEG C；Stop heating, stirring
To whole dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, poly- sweet dew alcohol ether, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds HMPA, tetrahydrofuran；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
Embodiment 6
Weigh in parts by weight：51 parts of ethylene glycol, 5 parts of 1,7- decanedioic acid, 6 parts of HMPA, tetrahydrofuran 11
Part, 11 parts of organic amine, 14 parts of polyglycol ether, 0.8 part of ammonium hypophosphite；1.2 parts of p nitrobenzyl alcohol.
The raw material weighed above is prepared without the good Working electrolyte of boron system high pressure (500WV) stroboscopic nature：
Step 1, ethylene glycol, 1,7- decanedioic acid are added in container, stirs and is heated up to 50 DEG C；Stop heating, stir
Mix to whole dissolvings；
Step 2, then organic amine is instilled at leisure with liquid-transfering device and accelerates stirring 30 minutes；
Step 3, polyglycol ether, ortho phosphorous acid, p nitrobenzyl alcohol are sequentially added in container and stirred；
Step 4, after said components material is sequentially added, 135 DEG C of holding constant temperature 150 minutes simultaneously stirs；
Step 5, it is cooled to 90 DEG C and adds HMPA, tetrahydrofuran；
Step 6, kept for 80 DEG C, keeping temperature 90 minutes, stirred；
Step 7, room temperature is naturally cooled to, discharged.
According to the test to above-described embodiment, show that the 500WV stroboscopic lamps that the application provides are worked with aluminium electrolutic capacitor
The characteristic of electrolyte is as follows：
The electrical conductivity of 1.30 degrees Celsius of test job electrolyte is 0.8 ± 0.2ms/cm；
The acid-base value of 2.30 degrees Celsius of test job electrolyte is 6.5 ± 0.5；
The flash over voltage minimum of 3.80 degrees Celsius of test job electrolyte is not less than 550V；
The viscosity of 4.80 degrees Celsius of test job electrolyte is 18 ± 2mPa.s.
It these are only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor, it is characterised in that by the original of following percentage by weight
Material configuration forms：
The base solvent is ethylene glycol；Second solvent and the 3rd solvent are dimethyl sulfoxide, N,N-dimethylformamide, first
Base cyanogen, acetone, 4 hydroxybutyric acid lactone, HMPA, tetrahydrofuran, one kind in DMI or several.
2. 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 1, it is characterised in that described
Organic carboxyl acid refers to adipic acid, suberic acid, azelaic acid hydrogen, decanedioic acid, dodecandioic acid, 1,7- decanedioic acid, 1,6- dodecandioic acids, 2,
One or more combination in 7- dodecandioic acids, 1,10- tetradecane dicarboxylic acids, 1,12- octadecane diacids.
3. 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 1, it is characterised in that described
Organic ether is one or more of in diethylene glycol ethers, polyglycol ether, polyglyceryl ether, poly- sweet dew alcohol ether, poly- sorbose alcohol ether
Combination.
4. 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 1, it is characterised in that described
Passivator is ammonium hypophosphite.
A kind of 5. compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor, it is characterised in that including：
Step 1, base solvent and organic carboxyl acid are weighed, and sequentially added in container；The first temperature is heated to, is stirred；
Step 2, organic amine will be weighed with liquid-transfering device, the solution instilled in container, stirring；
Step 3, organic ether, passivator, p nitrobenzyl alcohol are weighed, and sequentially added in container；Stirring；
Step 4, keep second temperature, stirring；
Step 5, the 3rd temperature is cooled to, adds the second solvent, the 3rd solvent；
Step 6, keep the 4th temperature, stirring；
Step 7, room temperature is naturally cooled to, discharged；
Wherein, the following percentage by weight configuration of each component：
Wherein, the first temperature is less than the 4th temperature, and the 4th temperature is less than the 3rd temperature, and the 3rd temperature is less than the second temperature
Degree.
6. the compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 1, its feature
It is, the step 1 specifically includes：
Weigh base solvent and organic carboxyl acid, add in container, stir and be heated up to the first temperature；Stop heating, then
Stir to whole dissolvings.
7. the compound method of the 500WV stroboscopic lamp working electrolyte for aluminium electrolytic capacitor according to claim 5 or 6, its
It is characterised by, first temperature is 50 DEG C, and the second temperature is 135 DEG C, and the 3rd temperature is 90 DEG C, the 4th temperature
Spend for 80 DEG C.
8. the compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 5, its feature
It is,
In the step 4, second temperature is kept 150 minutes, stirring；
In the step 6, the 4th temperature is kept 90 minutes, stirring.
9. the compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 5, its feature
It is, the base solvent is ethylene glycol；Second solvent and the 3rd solvent be dimethyl sulfoxide, N,N-dimethylformamide,
It is several in methyl cyanide, acetone, 4 hydroxybutyric acid lactone, HMPA, tetrahydrofuran, DMI.
10. the compound method of 500WV stroboscopic lamps working electrolyte for aluminium electrolytic capacitor according to claim 5, it is special
Sign is that the organic carboxyl acid refers to adipic acid, suberic acid, azelaic acid hydrogen, decanedioic acid, dodecandioic acid, 1,7- decanedioic acid, 1,6-
One or more combination in dodecandioic acid, 2,7- dodecandioic acids, 1,10- tetradecane dicarboxylic acids, 1,12- octadecane diacids；It is described organic
Ether is one or more of combinations in diethylene glycol ethers, polyglycol ether, polyglyceryl ether, poly- sweet dew alcohol ether, poly- sorbose alcohol ether；
The passivator is ammonium hypophosphite.
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Cited By (1)
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| CN108538598A (en) * | 2018-06-29 | 2018-09-14 | 黄山振州电子科技股份有限公司 | A kind of ultralow temperature motor starts aluminum electrolytic capacitor electrolyte and its configuration method |
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| CN106783178A (en) * | 2016-11-30 | 2017-05-31 | 中南大学 | Working electrolyte for aluminium electrolytic capacitor of low temperature resistant and high pressure and preparation method thereof |
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| CN103632850A (en) * | 2012-08-27 | 2014-03-12 | 深圳市金元电子技术有限公司 | High-sparking voltage boron series-free working electrolyte and preparation method thereof |
| CN103632851A (en) * | 2012-08-27 | 2014-03-12 | 深圳市金元电子技术有限公司 | High-conductivity boron series-free working electrolyte and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108538598A (en) * | 2018-06-29 | 2018-09-14 | 黄山振州电子科技股份有限公司 | A kind of ultralow temperature motor starts aluminum electrolytic capacitor electrolyte and its configuration method |
| CN108538598B (en) * | 2018-06-29 | 2020-08-11 | 黄山振州电子科技股份有限公司 | Electrolyte of ultra-low temperature motor starting aluminum electrolytic capacitor and preparation method thereof |
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