CN101894673A - Aluminum electrolytic capacitor electrolyte and preparation method thereof - Google Patents
Aluminum electrolytic capacitor electrolyte and preparation method thereof Download PDFInfo
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- CN101894673A CN101894673A CN 201010243347 CN201010243347A CN101894673A CN 101894673 A CN101894673 A CN 101894673A CN 201010243347 CN201010243347 CN 201010243347 CN 201010243347 A CN201010243347 A CN 201010243347A CN 101894673 A CN101894673 A CN 101894673A
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Abstract
The invention relates to an aluminum electrolytic capacitor electrolyte and a preparation method thereof, wherein the electrolyte is prepared from the following raw materials in percentage by weight: 70% of glycol, 1.5% of ammonium dihydrogen phosphate, 8% of ammonium pentaborate, 14% of ammonium adipate, 4.5% of breakdown voltage enhancing agent, 1% of phosphorous acid and 1% of deionized water. The preparation method comprises the following steps: taking and adding 70kg of glycol and 1kg of deionized water into a container, uniformly stirring, and heating to 110 DEG C; weighing 4.5kg of breakdown voltage increasing agent, 1.5kg of ammonium dihydrogen phosphate, 1kg of phosphorous acid, 8kg of ammonium pentaborate and 14kg of ammonium adipate by using a scale, and then, sequentially adding the materials into the container and stirring; and keeping the mixture at the constant temperature of 110 DEG C for 30 minutes, naturally cooling the mixture to the room temperature, and then discharging. The invention has the advantages of enhancing the breakdown voltage of the electrolyte, improving the capacity of repairing aluminum foil oxidation films by oxygen ions of the electrolyte, reducing generation of water and precipitation of hydrogen gas in the working process, and obviously improving the service performance of the aluminum electrolytic capacitor.
Description
Technical field
The present invention relates to chemical field, relate in particular to a kind of aluminum electrolytic capacitor electrolyte and compound method thereof.
Background technology
Freezer compressor with CD60 type aluminium electrolytic capacitor owing to apply in the alternating current operational environment, thereby by this capacitor to the phase shift effect of a winding of compressor for providing phase voltage between two windings of compressor, produce rotating magnetic field and start compressor.In occupation of extremely important status, it is undertaking product operate as normal and have the effect of optimizing the electric performance of capacitor for a long time to working electrolyte of electrolytic capacitor in capacitor product.Traditional Working electrolyte boric acid+glycol system, often because becoming metaboric acid, boric acid and ethylene glycol esterification and boric acid all can produce water at work, water is present in the reparation that helps the capacitor pole foil oxide film in the electrolyte on a small quantity, but the existence of water also can cause the hydration reaction of capacitor pole paper tinsel, hinder the reparation of capacitor pole foil oxide film, produce hydrogen simultaneously.Hydrogen is constantly built up at the capacitor inner chamber, raises because of work causes internal temperature when starting capacitor, and capacitor inner chamber air pressure also increases, and causes the capacitor explosion, influences security of products and stability.
Summary of the invention
The purpose of this invention is to provide a kind of aluminum electrolytic capacitor electrolyte compound method, reducing the generation and the hydrogen of water in the course of work separates out, obtain high-quality Working electrolyte, reach 200,000 times, withstand the operating voltage of 400V thereby make the CD60 type start the continuous number of starts of capacitor fault-free.
The objective of the invention is to be achieved through the following technical solutions:
A kind of aluminum electrolytic capacitor electrolyte is formed by following raw materials by weight percent configuration: ethylene glycol 70, and ammonium dihydrogen phosphate 1.5, ammonium pentaborate 8, adipic acid presses 14, flash over voltage elevator (XP-08) 4.5, phosphorous acid 1, deionized water 1; Wherein the flash over voltage elevator is the carboxylic acid that contains citric acid, can effectively improve the electrolyte flash over voltage; Ethylene glycol is the base solvent of Working electrolyte; Ammonium dihydrogen phosphate, phosphorous acid and ammonium adipate are passivator, mainly suppress aquation, make alumite insensitive to hydration reaction, thus protection aluminium dielectric oxide film; Ammonium pentaborate can be simplified the batching formality, reduces moisture and produces.
A kind of aluminum electrolytic capacitor electrolyte compound method may further comprise the steps:
1) gets ethylene glycol 70kg and deionized water 1kg and add in the container, stir and heat to 110 degrees centigrade;
2) weighed with scale flash over voltage elevator 4.5kg, ammonium dihydrogen phosphate 1.5kg, phosphorous acid 1kg, ammonium pentaborate 8kg, adipic acid by 14kg, added in the container successively and stirring;
3) the said components material is added successively after, keep 110 degrees centigrade of constant temperature after 30 minutes, naturally cool to room temperature and get final product discharging.
The present invention has the following advantages: adopt ammonium pentaborate substituted boracic acid and ammoniacal liquor, utilize the flash over voltage elevator to regulate the conductivity of electrolyte, use orthogonal experiment to solvent, solute, additive screens, improve flash over voltage and its oxonium ion of electrolyte and repair the aluminum foil oxidation film ability, reducing the generation and the hydrogen of water in the course of work separates out, obtain high-quality Working electrolyte, thereby making the CD60 type start the continuous number of starts of capacitor fault-free reaches 200,000 times, withstand the operating voltage of 400V, heating time is short, the preparation link is few, be easy to control preparation temperature, can obviously promote the serviceability of aluminium electrolytic capacitor.
Embodiment
The described aluminum electrolytic capacitor electrolyte of the embodiment of the invention is formed by following raw materials by weight percent configuration: ethylene glycol 70, ammonium dihydrogen phosphate 1.5, ammonium pentaborate 8, adipic acid is by 14, flash over voltage elevator 4.5, phosphorous acid 1, deionized water 1, wherein flash over voltage elevator XP-08 can effectively improve the electrolyte flash over voltage for containing the carboxylic acid solution of citric acid 12% (weight); Ethylene glycol is the base solvent of Working electrolyte; Ammonium dihydrogen phosphate, phosphorous acid and ammonium adipate are passivator, mainly suppress aquation, make alumite insensitive to hydration reaction, thus protection aluminium dielectric oxide film; Ammonium pentaborate can be simplified the batching formality, reduces moisture and produces.
A kind of aluminum electrolytic capacitor electrolyte compound method may further comprise the steps:
1) gets ethylene glycol 70kg and deionized water 1kg and add in the container, stir and heat to 110 degrees centigrade;
2) weighed with scale flash over voltage elevator 4.5kg, ammonium dihydrogen phosphate 1.5kg, phosphorous acid 1kg, ammonium pentaborate 8kg, adipic acid by 14kg, added in the container successively and stirring;
3) the said components material is added successively after, keep 110 degrees centigrade of constant temperature after 30 minutes, naturally cool to room temperature and get final product discharging.
Adopt ammonium pentaborate substituted boracic acid and ammoniacal liquor, utilize the flash over voltage elevator to regulate the conductivity of electrolyte, use orthogonal experiment to solvent, solute, additive screens, improve flash over voltage and its oxonium ion of electrolyte and repair the aluminum foil oxidation film ability, reducing the generation and the hydrogen of water in the course of work separates out, obtain high-quality Working electrolyte, thereby making the CD60 type start the continuous number of starts of capacitor fault-free reaches 200,000 times, withstand the operating voltage of 400V, heating time is short, the preparation link is few, be easy to control preparation temperature, can obviously promote the serviceability of aluminium electrolytic capacitor, as shown in the table:
Claims (2)
1. aluminum electrolytic capacitor electrolyte, it is characterized in that, form by following raw materials by weight percent configuration: ethylene glycol 70, ammonium dihydrogen phosphate 1.5, ammonium pentaborate 8, adipic acid is by 14, flash over voltage elevator 4.5, phosphorous acid 1, deionized water 1, wherein said flash over voltage elevator is the carboxylic acid that contains citric acid.
2. the described aluminum electrolytic capacitor electrolyte compound method of claim 1 is characterized in that: may further comprise the steps:
1) gets ethylene glycol 70kg and deionized water 1kg and add in the container, stir and heat to 110 degrees centigrade;
2) weighed with scale flash over voltage elevator 4.5kg, ammonium dihydrogen phosphate 1.5kg, phosphorous acid 1kg, ammonium pentaborate 8kg and adipic acid by 14kg, added in the container successively and stirring;
3) the said components material is added successively after, keep 110 degrees centigrade of constant temperature after 30 minutes, naturally cool to room temperature and get final product discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102433470A CN101894673B (en) | 2010-08-03 | 2010-08-03 | Aluminum electrolytic capacitor electrolyte and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102433470A CN101894673B (en) | 2010-08-03 | 2010-08-03 | Aluminum electrolytic capacitor electrolyte and preparation method thereof |
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| CN101894673A true CN101894673A (en) | 2010-11-24 |
| CN101894673B CN101894673B (en) | 2012-01-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760573A (en) * | 2012-07-10 | 2012-10-31 | 何平洲 | Electrolyte of medium-voltage and high-voltage aluminium electrolytic capacitors and preparation method thereof |
| CN103680980A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 400 V electrolytic capacitor and production technology thereof |
| CN109273270A (en) * | 2018-11-12 | 2019-01-25 | 黄山振州电子科技股份有限公司 | A kind of low impedance at high frequency electrolytic capacitor |
| CN110938853A (en) * | 2019-11-27 | 2020-03-31 | 新疆众和股份有限公司 | High specific volume electrode foil electrolyte, composition thereof and preparation method of electrode foil |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63216327A (en) * | 1987-03-04 | 1988-09-08 | 三洋電機株式会社 | Electrolyte for driving electrolytic capacitor |
| JP2005039033A (en) * | 2003-07-14 | 2005-02-10 | Nichicon Corp | Electrolytic capacitor |
| CN101114544A (en) * | 2006-07-29 | 2008-01-30 | 广西师范大学 | Working electrolyte for wide temperature high voltage aluminium electrolytic capacitor and method for making same thereof |
-
2010
- 2010-08-03 CN CN2010102433470A patent/CN101894673B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63216327A (en) * | 1987-03-04 | 1988-09-08 | 三洋電機株式会社 | Electrolyte for driving electrolytic capacitor |
| JP2005039033A (en) * | 2003-07-14 | 2005-02-10 | Nichicon Corp | Electrolytic capacitor |
| CN101114544A (en) * | 2006-07-29 | 2008-01-30 | 广西师范大学 | Working electrolyte for wide temperature high voltage aluminium electrolytic capacitor and method for making same thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760573A (en) * | 2012-07-10 | 2012-10-31 | 何平洲 | Electrolyte of medium-voltage and high-voltage aluminium electrolytic capacitors and preparation method thereof |
| CN102760573B (en) * | 2012-07-10 | 2015-07-15 | 何平洲 | Electrolyte of medium-voltage and high-voltage aluminium electrolytic capacitors and preparation method thereof |
| CN103680980A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 400 V electrolytic capacitor and production technology thereof |
| CN103680980B (en) * | 2013-12-25 | 2016-07-06 | 佛山市高明区利明电子有限公司 | A kind of 400V electrolysis condenser and production technology thereof |
| CN109273270A (en) * | 2018-11-12 | 2019-01-25 | 黄山振州电子科技股份有限公司 | A kind of low impedance at high frequency electrolytic capacitor |
| CN110938853A (en) * | 2019-11-27 | 2020-03-31 | 新疆众和股份有限公司 | High specific volume electrode foil electrolyte, composition thereof and preparation method of electrode foil |
| 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 |
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| CN101894673B (en) | 2012-01-04 |
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Assignee: HUANGSHAN ZHENZHOU ELECTRONIC SCIENTIFIC LIMITED COMPANY Assignor: He Pingzhou Contract record no.: 2011340000423 Denomination of invention: Aluminum electrolytic capacitor electrolyte and preparation method thereof License type: Exclusive License Open date: 20101124 Record date: 20111024 |
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Inventor after: He Pingzhou Inventor after: He Jian Inventor before: He Pingzhou |
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Effective date of registration: 20180320 Address after: 245000 Tun Guang Yao Li Kou No. 18, Tunxi District, Huangshan City, Anhui Patentee after: Mount Huangshan electronic Polytron Technologies Inc Address before: 245051 Anhui Province, Huangshan City Tunxi District Town Village CaoShi Tun light dock No. 21 room 10-305 Patentee before: He Pingzhou |
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