CN101814374A - Electrolyte of wide-temperature aluminium electrolytic capacitor and manufacturing method thereof - Google Patents
Electrolyte of wide-temperature aluminium electrolytic capacitor and manufacturing method thereof Download PDFInfo
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- CN101814374A CN101814374A CN 201010149463 CN201010149463A CN101814374A CN 101814374 A CN101814374 A CN 101814374A CN 201010149463 CN201010149463 CN 201010149463 CN 201010149463 A CN201010149463 A CN 201010149463A CN 101814374 A CN101814374 A CN 101814374A
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Abstract
The invention relates to a manufacturing method for electrolyte of a wide-temperature aluminium electrolytic capacitor, comprising the raw materials of ethanediol, ammonium adipate, ammonium sebacate, ammonium formate, p-nitrophenol and ammonium hypophosphite. The method comprises the following steps of heating the ethanediol in parts by weight to 50-60 DEG C, adding the other raw materials in parts by weight in the ethanediol, heating to 130-135 DEG C while stirring, maintaining the constant temperature of 130-135 DEG C for 20-30min, and cooling to the room temperature to prepare the electrolyte of the wide-temperature aluminium electrolytic capacitor. The invention is mainly applied in electric products, electricity control systems, multifunctional meters, power supply parts of computers, various home appliances and other fields. The aluminium electrolytic capacitor prepared from the electrolyte obtained in the invention can produce no high atmospheric pressure and has stable performance in the environment with the temperature no more than 125 DEG C.
Description
Technical field
The present invention relates to electrolyte of a kind of electrolytic capacitor and preparation method thereof, particularly electrolyte of a kind of wide-temperature aluminium electrolytic capacitor and preparation method thereof.
Background technology
The present wide-temperature aluminium electrolytic capacitor of producing, its operating ambient temperature is in-40 ℃～105 ℃ scopes, when working temperature surpasses 105 ℃, condenser leakage current increases rapidly, the aluminum hull internal gas pressure raises, even explosion, inefficacy, its main cause be the electrolyte of present wide-temperature aluminium electrolytic capacitor under the hot environment more than 105 ℃ poor stability, loss value is big, leakage current is high.
Summary of the invention
The electrolyte that the objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of wide-temperature aluminium electrolytic capacitor is provided, it can be as being operated in the electrolyte that temperature is-40 ℃～125 ℃ aluminium electrolytic capacitors under the environment, the aluminium electrolytic capacitor of making of this electrolyte can not produce hyperbar in the environment of temperature≤125 ℃, the invention solves aluminium electrolytic capacitor and be difficult to a difficult problem of working under wide gentle hot environment.
Other purpose of the present invention provides a kind of manufacture method of electrolyte of above-mentioned wide-temperature aluminium electrolytic capacitor, the electrolyte stable performance under-40 ℃～125 ℃ environment that obtains with this method.
Technical scheme of the present invention is: a kind of electrolyte of wide-temperature aluminium electrolytic capacitor, and it is made for following raw materials in weight portion composition:
93.8～94.5 parts of ethylene glycol; 1.9～2.1 parts of ammonium adipates;
2.7～3.4 parts of ammonium sebacates; 0.1～0.5 part of ammonium formate;
To 0.28～0.32 part in pin base phenol; 0.16～0.23 part of ammonium hypophosphite.
Another technical scheme of the present invention is: a kind of manufacture method of electrolyte of wide-temperature aluminium electrolytic capacitor, it comprises the steps:
One, get following raw materials in weight portion:
93.8～94.5 parts of ethylene glycol;
1.9～2.1 parts of ammonium adipates;
2.7～3.4 parts of ammonium sebacates;
0.1～0.5 part of ammonium formate;
To 0.28～0.32 part in pin base phenol;
0.16～0.23 part of ammonium hypophosphite;
When two, then the ethylene glycol of above-mentioned weight portion being heated to 50～60 ℃, again with the ammonium adipate of above-mentioned weight portion, ammonium sebacate, ammonium formate, pin base phenol and ammonium hypophosphite joined in 50～60 ℃ the ethylene glycol, heating is stirred to 130～135 ℃, kept 20-30 minute at 130～135 ℃ of constant temperature, be cooled to room temperature, make the electrolyte of wide-temperature aluminium electrolytic capacitor.
The present invention compared with prior art has following characteristics:
1, the present invention obtain electrolyte be especially suitable for use as in being operated in the electrolyte that temperature is-40 ℃～125 ℃ aluminium electrolytic capacitors under the environment, the aluminium electrolytic capacitor of making of this electrolyte can not produce hyperbar, stable performance in the environment of temperature≤125 ℃;
2, predict through market survey, whole nation wide-temperature aluminium electrolytic electric capacity annual requirement is more than 5,000,000,000, the output value is above 5,000,000,000 yuan, as all producing at home, can create more jobs more than personnel 100,000 people, can be country simultaneously and save foreign exchange, therefore, the application of this invention has great social benefit and economic benefit.
In order to be illustrated more clearly in the present invention, enumerate following examples, but it there is not any restriction to scope of invention.
Embodiment
Embodiment 1
A kind of manufacture method of electrolyte of wide-temperature aluminium electrolytic capacitor, it comprises the steps: at first to get 93.8 kilograms of ethylene glycol and is heated to 50～60 ℃, add 1.9 kilograms of ammonium adipates, 2.7 kilograms of ammonium sebacates, 0.1 kilogram of ammonium formate then, to 0.16 kilogram of 0.28 kilogram in pin base phenol and ammonium hypophosphite, above-mentioned composition heating is stirred to 130～135 ℃, kept 20-30 minute at 130～135 ℃ of constant temperature, be cooled to room temperature (room temperature is generally 0～40 ℃) at last, make the electrolyte of wide-temperature aluminium electrolytic capacitor.
The electrolyte that uses present embodiment to obtain is made the aluminium electrolytic capacitor of 10 16v/1000uF, tests under 20 ℃ of ambient temperatures earlier; After 1000 hours, recovered 16 hours in 125 ℃ of high-temperature load then, test frequency is 1000HZ, and to appearance value rate of change, loss rate of change, the test of leakage current rate of change, obtaining 10 electroplated aluminums, to separate the mean value of detection data of electric capacity as shown in the table:
Embodiment 2, embodiment 3, embodiment 4
Embodiment 2 to embodiment 4 except make raw material proportioning components and embodiment 1 inequality, other processing step is with embodiment 1, the weight of the raw material composition of each embodiment employing specifically sees the following form:
The raw material weight that each embodiment uses is as follows
Test detects data
The electrolyte that uses embodiment 1,2,3 to obtain is respectively made the alminium electrolytic condenser sample of 10 16v/1000uF, 63v/470uF, 250v/10uF, test at 20 ℃ and 125 ℃ (recovering 16 hours after 1000 hours in the high-temperature load) respectively then, test frequency is 1000HZ, test its appearance value, loss, leakage current, obtaining 10 electroplated aluminums that the electrolyte of each embodiment makes respectively, to separate the mean value of detection data of electric capacity sample as shown in the table:
From above test parameter as can be seen, the alminium electrolytic condenser that uses electrolyte of the present invention to make, detects its electrical quantity and conforms with national standard fully after 1000 hours 125 ℃ of high-temperature load.
The present invention is not limited to above-mentioned concrete processing step, so long as adopt material component making alminium electrolytic condenser method of electrolyte identical with the present invention and the alminium electrolytic condenser electrolyte that is obtained by this method just to drop within the protection range of invention.
Claims (2)
1. the electrolyte of a wide-temperature aluminium electrolytic capacitor, it is characterized in that: it is made for following raw materials in weight portion composition:
93.8～94.5 parts of ethylene glycol; 1.9～2.1 parts of ammonium adipates;
2.7～3.4 parts of ammonium sebacates; 0.1～0.5 part of ammonium formate;
To 0.28～0.32 part in pin base phenol; 0.16～0.23 part of ammonium hypophosphite.
2. the manufacture method of the electrolyte of a wide-temperature aluminium electrolytic capacitor, it is characterized in that: it comprises the steps:
One, get following raw materials in weight portion:
93.8～94.5 parts of ethylene glycol; 1.9～2.1 parts of ammonium adipates;
2.7～3.4 parts of ammonium sebacates; 0.1～0.5 part of ammonium formate;
To 0.28～0.32 part in pin base phenol; 0.16～0.23 part of ammonium hypophosphite;
When two, the ethylene glycol of above-mentioned weight portion being heated to 50～60 ℃, again with the ammonium adipate of above-mentioned weight portion, ammonium sebacate, ammonium formate, pin base phenol and ammonium hypophosphite joined in 50～60 ℃ the ethylene glycol, heating is stirred to 130～135 ℃, kept 20-30 minute at 130～135 ℃ of constant temperature, be cooled to room temperature, make the electrolyte of wide-temperature aluminium electrolytic capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010149463 CN101814374A (en) | 2010-04-19 | 2010-04-19 | Electrolyte of wide-temperature aluminium electrolytic capacitor and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010149463 CN101814374A (en) | 2010-04-19 | 2010-04-19 | Electrolyte of wide-temperature aluminium electrolytic capacitor and manufacturing method thereof |
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| CN101814374A true CN101814374A (en) | 2010-08-25 |
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| CN 201010149463 Pending CN101814374A (en) | 2010-04-19 | 2010-04-19 | Electrolyte of wide-temperature aluminium electrolytic capacitor and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680982A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 250V electrolytic capacitor and production process thereof |
| CN112908702A (en) * | 2021-02-03 | 2021-06-04 | 广州金立电子有限公司 | Electrolyte for electrolytic capacitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381854A (en) * | 2001-04-13 | 2002-11-27 | 三洋化成工业株式会社 | Electrolytic condenser |
| 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 |
| CN101556867A (en) * | 2009-05-20 | 2009-10-14 | 广东风华高新科技股份有限公司 | Electrolysis solution and preparation method thereof as well as preparation method for obtained aluminum capacitor |
-
2010
- 2010-04-19 CN CN 201010149463 patent/CN101814374A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381854A (en) * | 2001-04-13 | 2002-11-27 | 三洋化成工业株式会社 | Electrolytic condenser |
| 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 |
| CN101556867A (en) * | 2009-05-20 | 2009-10-14 | 广东风华高新科技股份有限公司 | Electrolysis solution and preparation method thereof as well as preparation method for obtained aluminum capacitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680982A (en) * | 2013-12-25 | 2014-03-26 | 佛山市高明区利明电子有限公司 | 250V electrolytic capacitor and production process thereof |
| CN103680982B (en) * | 2013-12-25 | 2017-01-04 | 佛山市高明区利明电子有限公司 | A kind of 250V electrolysis condenser and production technology 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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Open date: 20100825 |