CN104517734A - Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor - Google Patents
Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN104517734A CN104517734A CN201410711610.2A CN201410711610A CN104517734A CN 104517734 A CN104517734 A CN 104517734A CN 201410711610 A CN201410711610 A CN 201410711610A CN 104517734 A CN104517734 A CN 104517734A
- Authority
- CN
- China
- Prior art keywords
- electrolytic capacitor
- ammonium
- temperature resistant
- electrolyte
- ethylene glycol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Disclosed are working electrolyte and a preparation method thereof of a high-temperature resistant aluminum electrolytic capacitor. The electrolyte is made of, by weight, 74-86% of glycol, 0.5-1.0% of polyvinyl alcohol 117 and polyethylene glycol copolymer, 1-3% of mannitol, 3.5-5.0% of ammonium sebacate, 5-20% of 1, 7-alkyl ammonium sebacate, 0.1-0.3% of 8-hydroxyquinoline, 0.4-0.8% of p-nitrobenzoic acid and 0.1-0.3% of ammonium hypophosphite. The invention provides the preparation method of the working electrolyte of the high-temperature resistant aluminum electrolytic capacitor. High temperature stability of the aluminum electrolytic capacitor made of the electrolyte is remarkably improved and operation is more stable and reliable.
Description
Technical field
The invention belongs to electrolyte and preparation field thereof, particularly relate to a kind of high temperature resistant working electrolyte for aluminium electrolytic capacitor and preparation method thereof.
Background technology
Recently, along with the development of science and technology, more and more higher requirement is proposed to the upper limit working temperature of aluminium electrolytic capacitor, useful life, as being applied in the capacitor of the electronic products such as carwash electronics, display, charger, electric ballast, the ripple current passed through due to electric capacity is larger, self-heating and continuous operation, make capacitor be in the operational environment of high temperature for a long time; For the high-voltage electrolysis capacitor in the electronic product such as Switching Power Supply, electricity-saving lamp, resistance to elevated temperatures requires high.
Working electrolyte for aluminium electrolytic capacitor is the negative electrode of aluminium electrolytic capacitor, and its performance plays a decisive role to capacitor performance.Existing electrolyte prescription is primarily of solute and solvent composition, and solute is organic carboxyl acid and salt thereof, and solvent is ethylene glycol, fourth lactones, water or its mixture.Adopt the aluminium electrolytic capacitor product of the electrolyte of this formula in use, often force down because of resistance to, there is the drum end even explosion phenomenon, and the upper limit working temperature of this capacitor product only can reach about 85 DEG C, the resistance to gentle wide temperature range of Switching Power Supply and energy-saving lamp electronic product can not be met.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of high temperature resistant working electrolyte for aluminium electrolytic capacitor and preparation method thereof, and its high temperature resistant obvious improvement of the aluminium electrolytic capacitor utilizing this electrolyte to make, works more stable.
The technical solution adopted for the present invention to solve the technical problems is:
The high temperature resistant working electrolyte for aluminium electrolytic capacitor of the present invention, be made up of the material of following percentage by weight: ethylene glycol 74-86%, polyvinyl alcohol 117 and ethylene glycol copolymer 0.5-1.0%, sweet mellow wine 1-3%, ammonium sebacate 3.5-5.0%, 1,7-alkyl ammonium sebacate 5-20%, oxine 0.1-0.3%, paranitrobenzoic acid ammonium 0.4-0.8%, ammonium hypophosphite 0.1-0.3%.
The preparation method of the high temperature resistant working electrolyte for aluminium electrolytic capacitor of the present invention, comprises the following steps:
(1) material is taken by predetermined weight per distribution ratio;
(2) taken ethylene glycol is heated to 80-90 DEG C, then taken polyvinyl alcohol 117 and ethylene glycol copolymer, sweet mellow wine, ammonium sebacate, 1 is added, 7-alkyl ammonium sebacate, mix, be heated to 120-130 DEG C again, add taken oxine, paranitrobenzoic acid ammonium, ammonium hypophosphite, stir 25-35 minute, be cooled to room temperature.
Working electrolyte for aluminium electrolytic capacitor of the present invention, comprise solvent, solute, anticorrosive additive and property-modifying additive, anticorrosive additive selects sweet mellow wine and oxine; Property-modifying additive comprises: polyvinyl alcohol 117 and ethylene glycol copolymer, ammonium hypophosphite; In addition, it also comprises the hydrogen agent that disappears: paranitrobenzoic acid ammonium, waterproof mixture: ammonium hypophosphite, high temperature high voltage resistant and the corrosion resistance of aluminium electrolytic capacitor can be improved widely, effectively reduce the generation of hydrogen, thus prevent the capacitor generation drum end from even exploding, and can prevent capacitor from high temperature hydration occurring and causing it to lose efficacy, adopt the aluminium electrolytic capacitor of above-mentioned Working electrolyte, it can work under 315-500V rated operational voltage, and upper limit working temperature is 125 degree.Its high temperature resistant obvious improvement of the aluminium electrolytic capacitor be made up of electrolyte of the present invention, works more reliable and more stable.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
embodiment 1
The high temperature resistant working electrolyte for aluminium electrolytic capacitor of the present embodiment, be made up of the material of following percentage by weight: ethylene glycol 75%, polyvinyl alcohol 117 and ethylene glycol copolymer 0.5%, sweet mellow wine 1.5%, ammonium sebacate 4%, 1,7-alkyl ammonium sebacate 18%, oxine 0.2%, paranitrobenzoic acid ammonium 0.5%, ammonium hypophosphite 0.3%.
Preparation method, comprises the following steps:
(1) each material is taken by predetermined weight percent;
(2) taken ethylene glycol is heated to 85 DEG C, then taken polyvinyl alcohol 117 and ethylene glycol copolymer, sweet mellow wine, ammonium sebacate, 1 is added, 7-alkyl ammonium sebacate, mix, be heated to 125 DEG C again, add taken oxine, paranitrobenzoic acid ammonium, ammonium hypophosphite, stir 30 minutes, be cooled to room temperature, obtain aluminum electrolytic capacitor electrolyte.
Adopt the aluminium electrolytic capacitor of above-mentioned Working electrolyte, it can work under 315-490V rated operational voltage, and upper limit working temperature is 120 degree.Its high temperature resistant obvious improvement of the aluminium electrolytic capacitor be made up of electrolyte of the present invention, works more reliable and more stable.
embodiment 2
The high temperature resistant working electrolyte for aluminium electrolytic capacitor of the present embodiment, be made up of the material of following percentage by weight: ethylene glycol 80%, polyvinyl alcohol 117 and ethylene glycol copolymer 0.8%, sweet mellow wine 2%, ammonium sebacate 4%, 1,7-alkyl ammonium sebacate 12.2%, oxine 0.2%, paranitrobenzoic acid ammonium 0.5%, ammonium hypophosphite 0.3%.
Its preparation method is with embodiment 1.
Adopt the aluminium electrolytic capacitor of above-mentioned Working electrolyte, it can work under 315-500V rated operational voltage, and upper limit working temperature is 125 degree.Its high temperature resistant obvious improvement of the aluminium electrolytic capacitor be made up of electrolyte of the present invention, works more reliable and more stable.
embodiment 3
The high temperature resistant working electrolyte for aluminium electrolytic capacitor of the present embodiment, be made up of the material of following percentage by weight: ethylene glycol 85%, polyvinyl alcohol 117 and ethylene glycol copolymer 1.0%, sweet mellow wine 2%, ammonium sebacate 3.5%, 1,7-alkyl ammonium sebacate 7.5%, oxine 0.2%, paranitrobenzoic acid ammonium 0.5%, ammonium hypophosphite 0.3%.
Its preparation method is with embodiment 1.
Adopt the aluminium electrolytic capacitor of above-mentioned Working electrolyte, it can work under 315-495V rated operational voltage, and upper limit working temperature is 122 degree.Its high temperature resistant obvious improvement of the aluminium electrolytic capacitor be made up of electrolyte of the present invention, works more reliable and more stable.
Claims (2)
1. a high temperature resistant working electrolyte for aluminium electrolytic capacitor, it is characterized in that, be made up of the material of following percentage by weight: ethylene glycol 74-86%, polyvinyl alcohol 117 and ethylene glycol copolymer 0.5-1.0%, sweet mellow wine 1-3%, ammonium sebacate 3.5-5.0%, 1,7-alkyl ammonium sebacate 5-20%, oxine 0.1-0.3%, paranitrobenzoic acid ammonium 0.4-0.8%, ammonium hypophosphite 0.1-0.3%.
2. a preparation method for high temperature resistant working electrolyte for aluminium electrolytic capacitor as claimed in claim 1, is characterized in that, comprise the following steps:
(1) material is taken by predetermined weight per distribution ratio;
(2) taken ethylene glycol is heated to 80-90 DEG C, then taken polyvinyl alcohol 117 and ethylene glycol copolymer, sweet mellow wine, ammonium sebacate, 1 is added, 7-alkyl ammonium sebacate, mix, be heated to 120-130 DEG C again, add taken oxine, paranitrobenzoic acid ammonium, ammonium hypophosphite, stir 25-35 minute, be cooled to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711610.2A CN104517734A (en) | 2014-12-01 | 2014-12-01 | Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711610.2A CN104517734A (en) | 2014-12-01 | 2014-12-01 | Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104517734A true CN104517734A (en) | 2015-04-15 |
Family
ID=52792898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410711610.2A Pending CN104517734A (en) | 2014-12-01 | 2014-12-01 | Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104517734A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241811A (en) * | 1990-02-20 | 1991-10-29 | Nichicon Corp | Electrolytic capacitor driving electrolyte |
| JP2000058396A (en) * | 1998-08-10 | 2000-02-25 | Nichicon Corp | Electrolytic solution for driving electrolytic capacitor |
| CN1744247A (en) * | 2004-08-30 | 2006-03-08 | 广东风华高新科技股份有限公司 | Aluminium electrolytic capacitor working electrolyte and capacitor obtained thereof |
| CN102074365A (en) * | 2010-12-27 | 2011-05-25 | 东莞宏强电子有限公司 | High-voltage working electrolyte and preparation method thereof |
| CN102254687A (en) * | 2011-04-25 | 2011-11-23 | 广东风华高新科技股份有限公司 | Aluminium electrolytic capacitor used for LED lamp and working electrolyte employed by aluminium electrolytic capacitor |
| CN103325570A (en) * | 2013-07-03 | 2013-09-25 | 中国振华（集团）新云电子元器件有限责任公司 | Preparation method of high temperature resistant capacitor |
| CN103887070A (en) * | 2012-12-19 | 2014-06-25 | 张家港市国泰华荣化工新材料有限公司 | Preparation method of electrolyte functional additive and electrolyte prepared by using electrolyte functional additive |
| CN104008899A (en) * | 2014-05-12 | 2014-08-27 | 中国振华（集团）新云电子元器件有限责任公司 | High-energy and wide-temperature tantalum capacitor preparing method |
-
2014
- 2014-12-01 CN CN201410711610.2A patent/CN104517734A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03241811A (en) * | 1990-02-20 | 1991-10-29 | Nichicon Corp | Electrolytic capacitor driving electrolyte |
| JP2000058396A (en) * | 1998-08-10 | 2000-02-25 | Nichicon Corp | Electrolytic solution for driving electrolytic capacitor |
| CN1744247A (en) * | 2004-08-30 | 2006-03-08 | 广东风华高新科技股份有限公司 | Aluminium electrolytic capacitor working electrolyte and capacitor obtained thereof |
| CN102074365A (en) * | 2010-12-27 | 2011-05-25 | 东莞宏强电子有限公司 | High-voltage working electrolyte and preparation method thereof |
| CN102254687A (en) * | 2011-04-25 | 2011-11-23 | 广东风华高新科技股份有限公司 | Aluminium electrolytic capacitor used for LED lamp and working electrolyte employed by aluminium electrolytic capacitor |
| CN103887070A (en) * | 2012-12-19 | 2014-06-25 | 张家港市国泰华荣化工新材料有限公司 | Preparation method of electrolyte functional additive and electrolyte prepared by using electrolyte functional additive |
| CN103325570A (en) * | 2013-07-03 | 2013-09-25 | 中国振华（集团）新云电子元器件有限责任公司 | Preparation method of high temperature resistant capacitor |
| CN104008899A (en) * | 2014-05-12 | 2014-08-27 | 中国振华（集团）新云电子元器件有限责任公司 | High-energy and wide-temperature tantalum capacitor preparing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101114544B (en) | Working electrolyte for wide temperature high voltage aluminium electrolytic capacitor and method for making same thereof | |
| CN102074365A (en) | High-voltage working electrolyte and preparation method thereof | |
| CN101866751A (en) | Temperature-resistant electrolyte for aluminum electrolysis and application thereof | |
| CN107863252A (en) | Middle jewelling working electrolyte of electrolytic capacitor and preparation method thereof | |
| CN103811183B (en) | A kind of 630V range high voltage aluminum electrolysis capacitor working electrolytes and its manufacture method | |
| CN105513801A (en) | High temperature resistant, ripple resistant, and long life electrolyte for aluminium electrolytic capacitor and preparation method thereof | |
| CN102842431B (en) | Working electrolyte of LED aluminium electrolytic capacitor and preparation method thereof | |
| CN101477899B (en) | Aluminum electrolysis capacitor working electrolyte for energy saving lamp and preparation thereof | |
| CN104241641B (en) | A kind of lead-acid accumulator anode diachylon | |
| CN103928234A (en) | Electrolyte for aluminum electrolytic capacitor | |
| CN105140034B (en) | A kind of flame-retardant electrolyte and preparation method thereof | |
| CN104517734A (en) | Working electrolyte and preparation method thereof of high-temperature resistant aluminum electrolytic capacitor | |
| CN101477902B (en) | High temperature durable and wide temperature range aluminum electrolysis capacitor working electrolyte and preparation thereof | |
| CN105977535A (en) | Novel lithium-ion battery electrolyte composition | |
| CN104037395B (en) | The preparation method of graphene-polypyrrole-lithium titanate composite lithium ion battery negative material | |
| CN104882282B (en) | Super-pressure Large Copacity working electrolyte for aluminium electrolytic capacitor and preparation method thereof | |
| CN106571228A (en) | Long life capacitor impregnating agent | |
| CN103337366A (en) | Flash voltage boosting agent used for capacitor working electrolyte and preparation method of flash voltage boosting agent | |
| CN107039183A (en) | Semi-solid preparation high-pressure aluminum electrolytic capacitor working electrolyte | |
| CN102723203A (en) | Preparation method of electrolyte for aluminum electrolytic capacitor | |
| CN101477898B (en) | Low leakage aluminum electrolysis capacitor working electrolytic solution and preparation thereof | |
| CN109942414A (en) | High temperature resistant super-pressure dicarboxylic acid for electrolyte and its preparation method and application | |
| CN104882284A (en) | Aluminium electrolytic capacitor electrolyte and preparation method | |
| CN105938759A (en) | Electrolytic capacitor middle-high voltage electrolyte and preparation method thereof | |
| CN107887164A (en) | A kind of 130 DEG C of range high voltage aluminum electrolysis capacitor working electrolytes and preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150415 |
|
| RJ01 | Rejection of invention patent application after publication |