CN113611535A - Electrolyte for aluminum electrolytic capacitor and preparation method thereof - Google Patents
Electrolyte for aluminum electrolytic capacitor and preparation method thereof Download PDFInfo
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- CN113611535A CN113611535A CN202110890956.3A CN202110890956A CN113611535A CN 113611535 A CN113611535 A CN 113611535A CN 202110890956 A CN202110890956 A CN 202110890956A CN 113611535 A CN113611535 A CN 113611535A
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- electrolyte
- aluminum electrolytic
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- electrolytic capacitor
- carbon nanotubes
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- Pending
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 66
- 239000003990 capacitor Substances 0.000 title claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 40
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 37
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 37
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 30
- 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 description 10
- 229930195725 Mannitol Natural products 0.000 claims description 10
- GJYJYFHBOBUTBY-UHFFFAOYSA-N alpha-camphorene Chemical compound CC(C)=CCCC(=C)C1CCC(CCC=C(C)C)=CC1 GJYJYFHBOBUTBY-UHFFFAOYSA-N 0.000 claims description 10
- SATJMZAWJRWBRX-UHFFFAOYSA-N azane;decanedioic acid Chemical compound [NH4+].[NH4+].[O-]C(=O)CCCCCCCCC([O-])=O SATJMZAWJRWBRX-UHFFFAOYSA-N 0.000 claims description 10
- 239000004327 boric acid Substances 0.000 claims description 10
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 claims description 10
- 239000000594 mannitol Substances 0.000 claims description 10
- 235000010355 mannitol Nutrition 0.000 claims description 10
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 claims description 10
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000008151 electrolyte solution Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000012360 testing method Methods 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- -1 ammonium 2-butyl octanedioate Chemical compound 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- ARKIFHPFTHVKDT-UHFFFAOYSA-N 1-(3-nitrophenyl)ethanone Chemical compound CC(=O)C1=CC=CC([N+]([O-])=O)=C1 ARKIFHPFTHVKDT-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 description 1
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000001741 Ammonium adipate Substances 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000019293 ammonium adipate Nutrition 0.000 description 1
- 229940090948 ammonium benzoate Drugs 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- JZIWMKUVMWKKLP-UHFFFAOYSA-N azane;4-nitrobenzoic acid Chemical compound [NH4+].[O-]C(=O)C1=CC=C([N+]([O-])=O)C=C1 JZIWMKUVMWKKLP-UHFFFAOYSA-N 0.000 description 1
- 229940067597 azelate Drugs 0.000 description 1
- BNMJSBUIDQYHIN-UHFFFAOYSA-N butyl dihydrogen phosphate Chemical compound CCCCOP(O)(O)=O BNMJSBUIDQYHIN-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- CKKXWJDFFQPBQL-UAIGNFCESA-N diazanium;(z)-but-2-enedioate Chemical compound [NH4+].[NH4+].[O-]C(=O)\C=C/C([O-])=O CKKXWJDFFQPBQL-UAIGNFCESA-N 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-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
Abstract
The invention discloses an electrolyte for an aluminum electrolytic capacitor and a preparation method thereof. The electrolyte for the aluminum electrolytic capacitor comprises a carbon nano tube; the preparation method of the electrolyte for the aluminum electrolytic capacitor comprises the following steps: preparing a basic electrolyte; adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz. The electrolyte for the aluminum electrolytic capacitor can reduce the internal temperature rise of the capacitor and prolong the service life of the capacitor.
Description
Technical Field
The invention belongs to the technical field of aluminum electrolytic capacitors, and particularly relates to an electrolyte for an aluminum electrolytic capacitor and a preparation method thereof.
Background
The aluminum electrolytic capacitor plays important roles of filtering, bypassing, decoupling and the like in an electronic circuit, and is one of basic electronic components. When the capacitor works in a circuit for a long time or the voltage in the circuit or the circuit is unstable, the capacitor can bear larger load, the inside of the capacitor can quickly generate heat, and the service life of the capacitor is greatly reduced.
Aluminum electrolytic capacitor is in order to satisfy the energy storage demand, can make great capacity usually, adopt modes such as coiling or stromatolite, and along with the miniaturized trend of complete machine, for making the capacitor volume littleer, can adopt great tension to coil or stromatolite compaction usually, make between the negative and positive pole paper of core package flooding back very compacter, difficult when the core package is inside to generate heat seriously derive, the condenser heat dissipation is obstructed, lead to inside temperature to continuously rise, positive pole foil oxide film receives destruction, bad phenomena such as electrolyte degradation is accelerated, the capacitor life-span will shorten greatly.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an electrolyte for an aluminum electrolytic capacitor.
The invention also provides a preparation method of the electrolyte for the aluminum electrolytic capacitor.
The invention realizes the purpose through the following technical scheme:
an electrolyte for an aluminum electrolytic capacitor includes a carbon nanotube.
According to the electrolyte for the aluminum electrolytic capacitor, when the electrolyte is used, the carbon nano tubes are attached to various materials such as electrolytic paper and aluminum foil, the heat inside the capacitor in the using process can be well conducted to the metal shell through the heat conduction system constructed by the carbon nano tubes, the heat is diffused to the environment from the shell, the internal temperature rise of the capacitor is reduced, and the service life of the capacitor is prolonged.
In one embodiment, the electrolyte for an aluminum electrolytic capacitor includes a base electrolyte and the carbon nanotubes dispersed in the base electrolyte.
In one embodiment, the weight ratio of the carbon nanotubes in the electrolyte is 1% to 10%.
In one embodiment, the carbon nanotubes have a size of 2nm to 20 nm.
In one embodiment, the electrolyte includes a solvent, a solute, an additive, and carbon nanotubes.
In one embodiment, the electrolyte comprises 50-80 parts of ethylene glycol, 5-30 parts of diethylene glycol monobutyl ether, 0.1-5 parts of polyvinyl alcohol, 0.1-5 parts of boric acid, 1-10 parts of mannitol, 1-10 parts of ammonium sebacate, 0.1-5 parts of ammonium hypophosphite, 0.1-5 parts of p-nitrobenzoic acid and 1.5-5 parts of carbon nano tubes.
The invention also provides a preparation method of the electrolyte for the aluminum electrolytic capacitor, which comprises the following steps:
preparing a basic electrolyte;
adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
In one embodiment, the time of the ultrasonic treatment is 1min to 20 min.
In one embodiment, the method for preparing the electrolyte for the aluminum electrolytic capacitor further includes the following steps: and cooling the basic electrolyte to below 50 ℃.
In one embodiment, the method for preparing the electrolyte for the aluminum electrolytic capacitor includes the following steps:
preparing ethylene glycol, diethylene glycol monobutyl ether, polyvinyl alcohol, boric acid, mannitol, ammonium sebacate, ammonium hypophosphite and p-nitrobenzoic acid into a basic electrolyte;
adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof will be described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
The electrolyte for the aluminum electrolytic capacitor comprises the carbon nano tube. When the capacitor is used, the carbon nano tubes are attached to various materials such as electrolytic paper, aluminum foil and the like, the heat inside the capacitor in the using process can be well conducted to the metal shell through the heat conduction system constructed by the carbon nano tubes, and the heat is diffused to the environment from the shell, so that the internal temperature rise of the capacitor is reduced, and the service life of the capacitor is prolonged.
In an embodiment, the electrolyte for an aluminum electrolytic capacitor includes a base electrolyte and carbon nanotubes dispersed in the base electrolyte. The carbon nano tube is dispersed in the basic electrolyte, so that the effect of the electrolyte can be achieved, and the heat conduction effect of the carbon nano tube can be exerted.
Wherein, the weight proportion of the carbon nano tube in the electrolyte is 1-10%. After the carbon nano tubes with the proportion are added, the heat conduction effect can be better played, and the consumption of the carbon nano tubes can be saved.
The size of the carbon nano-tube is 2nm-20nm, preferably 5nm-15 nm.
The electrolyte comprises a solvent, a solute, an additive and carbon nanotubes. Namely, the basic electrolyte comprises a solvent, a solute and an additive.
For example, the solvent is one or a combination of more of ethylene glycol, glycerol, diethylene glycol, n-butanol, diethylene glycol monobutyl ether, diethylene glycol monomethyl ether, gamma-butyrolactone and citrate.
The solute is one or more of ammonium adipate, ammonium azelate, ammonium sebacate, ammonium 2-butyl octanedioate, ammonium benzoate and ammonium maleate.
The additive is one or a combination of more of mannitol, ammonium p-nitrobenzoate, p-nitrophenol, m-nitroacetophenone, monobutyl phosphate, ammonium hypophosphite, phosphoric acid, nano silicon dioxide, polyethylene oxide ether, 8-hydroxyquinoline, polyethylene glycol monomethyl ether, polymeric boric acid ester and ammonia water.
Preferably, the electrolyte for the aluminum electrolytic capacitor comprises 50-80 parts of ethylene glycol, 5-30 parts of diethylene glycol monobutyl ether, 0.1-5 parts of polyvinyl alcohol, 0.1-5 parts of boric acid, 1-10 parts of mannitol, 1-10 parts of ammonium sebacate, 0.1-5 parts of ammonium hypophosphite, 0.1-5 parts of p-nitrobenzoic acid and 1.5-5 parts of carbon nano tubes.
The invention also provides a preparation method of the electrolyte for the aluminum electrolytic capacitor, which comprises the following steps:
preparing a basic electrolyte;
adding carbon nano-tubes into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
Wherein the ultrasonic treatment time is 1min-20 min. In one embodiment, the sonication time is 10 min.
The preparation method of the electrolyte for the aluminum electrolytic capacitor further comprises the following steps: and cooling the basic electrolyte to below 50 ℃, and adding the carbon nano tube after cooling.
In an embodiment, the method for preparing the electrolyte for an aluminum electrolytic capacitor includes the following steps:
preparing ethylene glycol, diethylene glycol monobutyl ether, polyvinyl alcohol, boric acid, mannitol, ammonium sebacate, ammonium hypophosphite and p-nitrobenzoic acid into a basic electrolyte; adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
Specifically, the preparation method of the basic electrolyte comprises the following steps: heating ethylene glycol and diethylene glycol monobutyl ether to 140-160 ℃, adding polyvinyl alcohol, preserving heat, stirring at 500-1000 RPM for 30-180 min until the mixture is completely dissolved, cooling to 120-140 ℃, adding boric acid and mannitol, preserving heat and stirring; cooling to 100-120 deg.c, adding ammonium sebacate, ammonium hypophosphite and p-nitrobenzoic acid, and stirring while maintaining the temperature.
An embodiment of an electrolyte for an aluminum electrolytic capacitor includes 65 parts of ethylene glycol, 20 parts of diethylene glycol monobutyl ether, 2 parts of polyvinyl alcohol, 2 parts of boric acid, 5 parts of mannitol, 5 parts of ammonium sebacate, 2 parts of ammonium hypophosphite, 2 parts of p-nitrobenzoic acid, and 2 parts of carbon nanotubes.
A pair of proportions is provided, and the electrolyte for the aluminum electrolytic capacitor comprises 65 parts of ethylene glycol, 20 parts of diethylene glycol monobutyl ether, 2 parts of polyvinyl alcohol, 2 parts of boric acid, 5 parts of mannitol, 5 parts of ammonium sebacate, 2 parts of ammonium hypophosphite and 2 parts of p-nitrobenzoic acid.
The performance of the electrolyte solutions for aluminum electrolytic capacitors of the above examples and comparative examples will be tested as follows:
1. electrolyte parameters are tested by adopting corresponding conventional instruments, and a flash voltage test carrier is 640V formed foil.
2. Temperature rise test conditions: the frequency is 120Hz, the ambient temperature is 105 ℃, and the ripple current is 2.42A/pcs; the center of the bottom of the capacitor is punched, the temperature sensing probe is placed in the center of the core package, and then the core package is sealed and tested until the temperature is stable. Temperature rise (deg.c) is the stable temperature of the temperature sensing probe-ambient temperature.
3. Load life test conditions: the frequency is 120Hz, the ambient temperature is 105 ℃, the ripple current is 2.42A/pcs, and the working is carried out under the rated voltage; and testing that the failure phenomena of valve opening leakage, parameter failure, breakdown and the like of the capacitor are the load service life.
The test results are shown in table one.
Watch 1
As can be seen from the table I, the temperature rise of the electrolyte for the aluminum electrolytic capacitor of the example is significantly smaller than that of the comparative example, and the load life is significantly longer than that of the comparative example, so that it can be seen that the internal temperature rise of the capacitor is reduced and the service life of the capacitor is prolonged after the carbon nanotubes are added to the electrolyte.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electrolyte for an aluminum electrolytic capacitor, characterized by comprising carbon nanotubes.
2. The electrolyte solution for aluminum electrolytic capacitors as recited in claim 1, comprising a base electrolyte solution and the carbon nanotubes dispersed in the base electrolyte solution.
3. The electrolyte for aluminum electrolytic capacitors as recited in claim 1 or 2, wherein the carbon nanotubes are present in the electrolyte in a proportion of 1 to 10% by weight.
4. The electrolyte solution for aluminum electrolytic capacitors as recited in claim 1 or 2, wherein the carbon nanotubes have a size of 2nm to 20 nm.
5. The electrolyte for an aluminum electrolytic capacitor according to claim 4, wherein the electrolyte comprises a solvent, a solute, an additive, and carbon nanotubes.
6. The electrolyte for an aluminum electrolytic capacitor according to claim 5, wherein the electrolyte comprises 50 to 80 parts of ethylene glycol, 5 to 30 parts of diethylene glycol monobutyl ether, 0.1 to 5 parts of polyvinyl alcohol, 0.1 to 5 parts of boric acid, 1 to 10 parts of mannitol, 1 to 10 parts of ammonium sebacate, 0.1 to 5 parts of ammonium hypophosphite, 0.1 to 5 parts of p-nitrobenzoic acid, and 1.5 to 5 parts of carbon nanotubes.
7. A method for preparing the electrolyte for an aluminum electrolytic capacitor according to claim 1, comprising the steps of:
preparing a basic electrolyte;
adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
8. The method for producing an electrolytic solution for aluminum electrolytic capacitors as claimed in claim 7, wherein the time of the ultrasonic treatment is 1min to 20 min.
9. The method for producing an electrolytic solution for an aluminum electrolytic capacitor as recited in claim 7, further comprising the steps of: and cooling the basic electrolyte to below 50 ℃.
10. The method for producing an electrolytic solution for an aluminum electrolytic capacitor as recited in claim 7, comprising the steps of:
preparing ethylene glycol, diethylene glycol monobutyl ether, polyvinyl alcohol, boric acid, mannitol, ammonium sebacate, ammonium hypophosphite and p-nitrobenzoic acid into a basic electrolyte;
adding the carbon nano tube into the basic electrolyte, and carrying out ultrasonic treatment in an ultrasonic environment with the frequency of 50Hz-120 Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890956.3A CN113611535A (en) | 2021-08-04 | 2021-08-04 | Electrolyte for aluminum electrolytic capacitor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890956.3A CN113611535A (en) | 2021-08-04 | 2021-08-04 | Electrolyte for aluminum electrolytic capacitor and preparation method thereof |
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| CN113611535A true CN113611535A (en) | 2021-11-05 |
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| CN202110890956.3A Pending CN113611535A (en) | 2021-08-04 | 2021-08-04 | Electrolyte for aluminum electrolytic capacitor and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220359126A1 (en) * | 2021-05-10 | 2022-11-10 | Pacesetter, Inc. | Electrolytic capacitor |
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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 |
| CN108231420A (en) * | 2018-01-16 | 2018-06-29 | 益阳市安兴电子有限公司 | A kind of quick charge aluminium electrolutic capacitor and preparation method thereof |
| US20180342356A1 (en) * | 2016-09-19 | 2018-11-29 | Shenzhen Capchem Technology Co., Ltd. | Electrolyte for aluminum electrolytic capacitor and aluminum electrolytic capacitor using electrolyte |
| CN110718391A (en) * | 2019-11-18 | 2020-01-21 | 益阳市华琳电子有限公司 | Electrolyte for aluminum electrolytic capacitor and preparation method thereof |
| CN112908702A (en) * | 2021-02-03 | 2021-06-04 | 广州金立电子有限公司 | Electrolyte for electrolytic capacitor |
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2021
- 2021-08-04 CN CN202110890956.3A patent/CN113611535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180342356A1 (en) * | 2016-09-19 | 2018-11-29 | Shenzhen Capchem Technology Co., Ltd. | Electrolyte for aluminum electrolytic capacitor and aluminum electrolytic capacitor using electrolyte |
| 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 |
| CN108231420A (en) * | 2018-01-16 | 2018-06-29 | 益阳市安兴电子有限公司 | A kind of quick charge aluminium electrolutic capacitor and preparation method thereof |
| CN110718391A (en) * | 2019-11-18 | 2020-01-21 | 益阳市华琳电子有限公司 | Electrolyte for aluminum electrolytic capacitor and preparation method thereof |
| CN112908702A (en) * | 2021-02-03 | 2021-06-04 | 广州金立电子有限公司 | Electrolyte for electrolytic capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220359126A1 (en) * | 2021-05-10 | 2022-11-10 | Pacesetter, Inc. | Electrolytic capacitor |
| US11763997B2 (en) * | 2021-05-10 | 2023-09-19 | Pacesetter, Inc. | Electrolytic capacitor |
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Application publication date: 20211105 |