CN105405654A - High-conductivity capacitor electrolyte - Google Patents
High-conductivity capacitor electrolyte Download PDFInfo
- Publication number
- CN105405654A CN105405654A CN201510742813.2A CN201510742813A CN105405654A CN 105405654 A CN105405654 A CN 105405654A CN 201510742813 A CN201510742813 A CN 201510742813A CN 105405654 A CN105405654 A CN 105405654A
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- China
- Prior art keywords
- acid
- high conductivity
- capacitor electrolyte
- capacitor
- salt
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- 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.)
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Classifications
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- 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
Abstract
The invention discloses a high-conductivity capacitor electrolyte which is composed of components of the following mass percent: 60-70% of main solvent, 40-50% of auxiliary solvent, 10-30% of solute, 1-10% of stabilizer, 2-5% of hydrogen absorption agent and 1-2% of performance optimization additives. Organic acid with highly branched chains and carbon atoms or salt thereof is adopted to act as a medium, and multiple performance additives with different effects are added so that an aluminum electrolytic capacitor is enabled to obtain low impedance at high frequency, great heat resistance, high voltage resistance and ripple current shock resistance by the electrolyte, and thus conductivity of the capacitor is greatly enhanced.
Description
Technical field
The present invention relates to electrolyte field, specifically a kind of capacitor electrolyte of high conductivity.
Background technology
Capacitor is its material generation physical and chemical changes under various effect of stress, causes electrical quantity become bad and lost efficacy.The impact of various stress is divided into electric stress and environmental stress, and electric stress is the direct voltage, alternating voltage, ripple current etc. that apply, and environmental stress is the temperature, humidity, air pressure, vibration, impact, radiation etc. that capacitor uses.
Along with the development of electronics industry, the technical performance of electronic product and production technology level all in raising, make the environment for use of capacitor more and more harsher.As temperature current in LED raises, substantially be the filtering using electrochemical capacitor to be used as drive current entirely in LED drive circuit design, in this circuit arrangement, because the dividing potential drop on electrochemical capacitor almost reaches all power voltage, so possess good filtering characteristic, but LED power about 20% electric energy converts light to usually, the electric energy of remaining 80% is all converted into heat energy.At temperature like this, the life-span of electrolytic capacitor declines greatly, and the life-span of Light-Emitting Diode can reach 100000 hours, so will meet the requirement of LED, LED just selects to aim at the supporting aluminium electrolytic capacitor of LED.
The selection of solute has influence on the height of the withstand voltage of electrolyte and conductivity, and the ability that the large ripple current-resistant of capacitor impacts also requires that electrolyte possesses the features such as high pressure resistant, high conductivity, the solute of the many employings of existing electrolyte system is straight chain type, along with carbon number object increases, their solubility in ethylene glycol is also more and more lower, and the main solvent in the busy electrolyte of ethylene glycol, therefore their use is restricted, and temperature lower time these straight chain type solutes be also easy to separate out, reduce the useful life of capacitor electrolyte.
Summary of the invention
The present invention aims to provide a kind of capacitor electrolyte of high conductivity.
For realizing described object, the invention provides following technical scheme:
A kind of capacitor electrolyte of high conductivity, it is made up of the composition of following mass percent: 60-70% main solvent, 40-50% secondary solvent, 10-30% solute, 1-10% stabilizer, 2-5% inhale hydrogen agent, 1-2% Optimal performance additive, it is characterized in that, solute is organic acid with highly branched chain and salt thereof, and has large molecule substituting group near its acid group.
Described main solvent is made up of the composition of following mass percent: 40-60% ethylene glycol, 40-60% butyrolactone, and described secondary solvent is made up of the composition of following mass percent: 20-25% diethylene glycol (DEG), 15-18% phenmethylol, 10-20% EGME, 20-30% Macrogol 6000,40-60% deionized water.
Described solute is the mixture of ammonium adipate, dodecandioic acid ammonium, aliphatic acid, 2,3-dimethyl-3-methoxycarbonyl group-hendecane bisgallic acids and salt thereof with collateral chain.
Described stabilizer is the mixture of borate compound, phosphate compound, sweet mellow wine, organo-silane coupling agents, faintly acid poly-ring aromatic compounds.
Described suction hydrogen agent is p-nitrophenol, paranitrobenzoic acid, Resorcino, nitro-acetophenone, o-nitrophenol, p nitrobenzyl alcohol and salt thereof.
Described Optimal performance additive comprises methanol reaction additives, mainly phosphorus-containing compound, is the mixture of phosphomolybdic acid, phosphotungstic acid, phosphoric acid, phosphorous acid, ortho phosphorous acid and ammonium salt thereof.
Prior art is had to compare, present invention employs with the organic acid of the many carbon atoms of highly branched chain or its salt is medium, and with the addition of the multiple performance additive with different-effect, make electrolyte that aluminium electrolytic capacitor can be made to obtain low impedance at high frequency, good heat resistance, high, the resistance to ripple current impact of resistance to pressure, thus greatly improve the conductivity of capacitor.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of capacitor electrolyte of high conductivity, it is made up of the composition of following mass percent: 60-70% main solvent, 40-50% secondary solvent, 10-30% solute, 1-10% stabilizer, 2-5% inhale hydrogen agent, 1-2% Optimal performance additive, it is characterized in that, solute is organic acid with highly branched chain and salt thereof, and has large molecule substituting group near its acid group.
Described main solvent is made up of the composition of following mass percent: 40-60% ethylene glycol, 40-60% butyrolactone, and described secondary solvent is made up of the composition of following mass percent: 20-25% diethylene glycol (DEG), 15-18% phenmethylol, 10-20% EGME, 20-30% Macrogol 6000,40-60% deionized water.
Described solute is the mixture of ammonium adipate, dodecandioic acid ammonium, aliphatic acid, 2,3-dimethyl-3-methoxycarbonyl group-hendecane bisgallic acids and salt thereof with collateral chain.
Described stabilizer is the mixture of borate compound, phosphate compound, sweet mellow wine, organo-silane coupling agents, faintly acid poly-ring aromatic compounds.
Described suction hydrogen agent is p-nitrophenol, paranitrobenzoic acid, Resorcino, nitro-acetophenone, o-nitrophenol, p nitrobenzyl alcohol and salt thereof.
Described Optimal performance additive comprises methanol reaction additives, mainly phosphorus-containing compound, is the mixture of phosphomolybdic acid, phosphotungstic acid, phosphoric acid, phosphorous acid, ortho phosphorous acid and ammonium salt thereof.
Claims (6)
1. the capacitor electrolyte of a high conductivity, it is made up of the composition of following mass percent: 60-70% main solvent, 40-50% secondary solvent, 10-30% solute, 1-10% stabilizer, 2-5% inhale hydrogen agent, 1-2% Optimal performance additive, it is characterized in that, solute is organic acid with highly branched chain and salt thereof, and has large molecule substituting group near its acid group.
2. the capacitor electrolyte of a kind of high conductivity according to claim 1, it is characterized in that, described main solvent is made up of the composition of following mass percent: 40-60% ethylene glycol, 40-60% butyrolactone, and described secondary solvent is made up of the composition of following mass percent: 20-25% diethylene glycol (DEG), 15-18% phenmethylol, 10-20% EGME, 20-30% Macrogol 6000,40-60% deionized water.
3. the capacitor electrolyte of high conductivity according to claim 1, is characterized in that, described solute is the mixture of ammonium adipate, dodecandioic acid ammonium, aliphatic acid, 2,3-dimethyl-3-methoxycarbonyl group-hendecane bisgallic acids and salt thereof with collateral chain.
4. the capacitor electrolyte of high conductivity according to claim 1, is characterized in that, described stabilizer is the mixture of borate compound, phosphate compound, sweet mellow wine, organo-silane coupling agents, faintly acid poly-ring aromatic compounds.
5. the capacitor electrolyte of high conductivity according to claim 1, is characterized in that, described suction hydrogen agent is p-nitrophenol, paranitrobenzoic acid, Resorcino, nitro-acetophenone, o-nitrophenol, p nitrobenzyl alcohol and salt thereof.
6. the capacitor electrolyte of high conductivity according to claim 1, it is characterized in that, described Optimal performance additive comprises methanol reaction additives, mainly phosphorus-containing compound, is the mixture of phosphomolybdic acid, phosphotungstic acid, phosphoric acid, phosphorous acid, ortho phosphorous acid and ammonium salt thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742813.2A CN105405654A (en) | 2015-11-03 | 2015-11-03 | High-conductivity capacitor electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742813.2A CN105405654A (en) | 2015-11-03 | 2015-11-03 | High-conductivity capacitor electrolyte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105405654A true CN105405654A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510742813.2A Pending CN105405654A (en) | 2015-11-03 | 2015-11-03 | High-conductivity capacitor electrolyte |
Country Status (1)
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| CN (1) | CN105405654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816314A (en) * | 2016-12-12 | 2017-06-09 | 佛山市尚好门窗有限责任公司 | A kind of novel electrolyte |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4164779A (en) * | 1976-09-17 | 1979-08-14 | Siemens Aktiengesellschaft | Aluminum electrolytic capacitor for rated voltages of at least 160 v |
| US20030111355A1 (en) * | 2001-12-10 | 2003-06-19 | Kemet Electronics Corporation | Electrolyte for very high voltage electrolytic capacitors |
| CN101004976A (en) * | 2007-01-09 | 2007-07-25 | 东莞市东阳光电容器有限公司 | Electrolyte of electrolytic capacitor |
| CN102324327A (en) * | 2011-05-31 | 2012-01-18 | 肇庆绿宝石电子有限公司 | Method for preventing short-circuit failure of high-voltage aluminum-electrolyzing capacitor for switching power supply |
| CN102891011A (en) * | 2011-07-19 | 2013-01-23 | 南通天之力电子科技有限公司 | Aluminum electrolytic capacitor with high temperature impact resistance and long service life |
| CN104425131A (en) * | 2013-08-20 | 2015-03-18 | 南通瑞达电子材料有限公司 | Electrolyte used for aluminum electrolytic capacitor |
-
2015
- 2015-11-03 CN CN201510742813.2A patent/CN105405654A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4164779A (en) * | 1976-09-17 | 1979-08-14 | Siemens Aktiengesellschaft | Aluminum electrolytic capacitor for rated voltages of at least 160 v |
| US20030111355A1 (en) * | 2001-12-10 | 2003-06-19 | Kemet Electronics Corporation | Electrolyte for very high voltage electrolytic capacitors |
| CN101004976A (en) * | 2007-01-09 | 2007-07-25 | 东莞市东阳光电容器有限公司 | Electrolyte of electrolytic capacitor |
| CN102324327A (en) * | 2011-05-31 | 2012-01-18 | 肇庆绿宝石电子有限公司 | Method for preventing short-circuit failure of high-voltage aluminum-electrolyzing capacitor for switching power supply |
| CN102891011A (en) * | 2011-07-19 | 2013-01-23 | 南通天之力电子科技有限公司 | Aluminum electrolytic capacitor with high temperature impact resistance and long service life |
| CN104425131A (en) * | 2013-08-20 | 2015-03-18 | 南通瑞达电子材料有限公司 | Electrolyte used for aluminum electrolytic capacitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816314A (en) * | 2016-12-12 | 2017-06-09 | 佛山市尚好门窗有限责任公司 | A kind of novel electrolyte |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |