CN105280384A - Winding type electrolytic capacitor - Google Patents
Winding type electrolytic capacitor Download PDFInfo
- Publication number
- CN105280384A CN105280384A CN201410354829.1A CN201410354829A CN105280384A CN 105280384 A CN105280384 A CN 105280384A CN 201410354829 A CN201410354829 A CN 201410354829A CN 105280384 A CN105280384 A CN 105280384A
- Authority
- CN
- China
- Prior art keywords
- aluminium layer
- layer
- electrolytic capacitor
- winding type
- type electrolytic
- 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
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention provides a winding type electrolytic capacitor. The winding type electrolytic capacitor comprises an anode (1), a cathode (2), an inductor (6), a core rod (4) and a capacitor element (9); and one end of the inductor (6) is connected with the anode (1), a polymer represented by a formula I shown in the description covers the surface of a capacitor body, the Mw of the high-molecular polymer is 6.2*10<4>, and the molecular weight distribution index is 1.8.
Description
Technical field
The present invention relates to a kind of winding type electrolytic capacitor, there is the excellent specific property that equivalent series resistance is low and the initial disqualification rate of leakage current is little.
Background technology
Along with the high frequency of electronic equipment, as in the capacitor of one of electronic unit, require the large value capacitor of the impedance operator excellence in high frequency region.Recently, in order to reduce the impedance of this high frequency region, start using the electrolytic capacitor of the high electroconductive polymer of conductivity study and carry out goods.Electrolytic capacitor possesses: anode foils, the dielectric overlay film formed on the surface of anode foils and the electroconductive polymer layer formed on dielectric overlay film.Due to widely using of high frequency electronic equipment, require more and more higher to the frequency characteristic of capacitor.Although the electrolytic capacitor of traditional liquid state has the advantage of its cheapness, but more and more can not meet the requirement of present high frequency electronic equipment, moreover the defect that traditional electrolyte capacitors has himself a lot, cause its frequency characteristic and Reliability comparotive poor, the life-span is relatively short.In order to solve the deficiency of traditional electrolyte capacitors, people replace traditional electrolyte with the material that conductivity is relatively high, the material of these high conductivity comprises the metal oxide manganese dioxide, brown lead oxide etc. of semiconductor property, also just like dicyano quinone-bismethane complex salt (being called for short TCNQ), be exactly organic conductive polymer material in addition, these application are respectively at Chinese patent (publication number: CN1032263A, CN1012236B, CN1702788A, CN1297569A) in be described.These high conductivity solid electrolyte materials (metal oxide, conducting polymer composite) are first applied in sheet type electrolytic capacitor, due to jumbo demand, also apply to afterwards in winding type electrolytic capacitor.
Summary of the invention
The defect existed for above-mentioned prior art or deficiency, the object of the invention is to, a kind of capacitor is provided, comprise anode, negative electrode, inductance, plug and capacitor element, and one end jointed anode of this inductance, described capacitor element is: what this plug was outside spaced be wound with the first basement membrane prepared by insulating material and the second basement membrane, wherein, on this first basement membrane along the tangent to periphery direction of this plug side by side be provided with the first metallization zinc-aluminium layer and second metallization zinc-aluminium layer, and be provided with insulation screen band between this first metallization zinc-aluminium layer and the second metallization zinc-aluminium layer, this second basement membrane is provided with intermediate metallization zinc-aluminium layer, and the dual-side of this intermediate metallization zinc-aluminium layer is equipped with insulation screen band, simultaneously, this is first years old, second metallization zinc-aluminium layer connects the other end and the negative electrode of this inductance respectively.
But electric capacity of the present invention comprises multiple solid electrolytic capacitor element, each element is by obtaining to form cathode portion on the surface in the anode substrate except the anode part of its one end with this sequence stack with dielectric oxide film layer, semiconductor layer and conductive layer, and anode substrate comprises the metal of valve acting or the sintered body of conductive oxide or comprises the sintered body be connected with plain conductor.
A kind of winding type electrolytic capacitor, comprising: anode 1, negative electrode 2, inductance 6, plug 4 and capacitor element 9, and one end jointed anode 1 of this inductance 6, and capacitor body surface coverage has the polymer shown in formula I
The Mw of described high molecular polymer is 6.2 × 10
4, molecular weight distributing index is 1.8.
Described outer enclosure layer is two-layer.
Described outer enclosure layer with the polymer shown in formula I for main material.
Described plug (4) is ceramic core rod.
Described capacitor element 9 is: what this plug 4 was outside spaced be wound with the first basement membrane 51 and the second basement membrane 52 prepared by insulating material, wherein, on this first basement membrane 51 along the tangent to periphery direction of this plug 40 side by side be provided with the first metallization zinc-aluminium layer 511 and the second metallization zinc-aluminium layer 512, and be provided with insulation screen band 100 between this first metallization zinc-aluminium layer 511 and second metallization zinc-aluminium layer 512, this second basement membrane 52 is provided with intermediate metallization zinc-aluminium layer 521, and the dual-side of this intermediate metallization zinc-aluminium layer 521 is equipped with insulation screen band 100, simultaneously, this is first years old, second metallization zinc-aluminium layer 511, 512 other end and the negative electrodes (2) connecting this inductance 6 respectively.
Plastics plug of the prior art high temperature deformation is serious, affects properties of product; Plastics plug weak heat-dissipating, affects properties of product, uses ceramic core rod (or claiming mandrel) can solve the problem of fuse thermal contraction distortion, enhances product performance.
Use ceramic core rod tool of the present invention to have the following advantages: ceramic core rod good mechanical property, element produces contraction when heat treatment, can not mandrel crimp; Ceramic core rod is that high temperature sintering is shaping, can not remain volatile materials; Ceramic core rod is affected by moisture not; Ceramic core rod good heat conductivity, good heat dissipation, is specially adapted to high-voltage capacitance, high frequency capacitance; Ceramic core rod is high temperature resistant, does not burn, indeformable; Ceramic core rod proof voltage is high, and dielectric strength is good; Ceramic core rod can not be aging; Ceramic core rod high/low temperature good stability.
Accompanying drawing explanation
Fig. 1 is the front sectional view of capacitor of the present invention.
Fig. 2 is the perspective exploded view of capacitor element of the present invention.
Fig. 3 is cylindrical of the present invention/interior six side's ceramic core rod.
Fig. 4 is inner circle of the present invention/cylindrical ceramic core rod.
Fig. 5 is the cutaway view of the present invention's plug used in fuse.
In figure: 10, shell; 20, packed layer; 3, pyrocondensation insulating sleeve; 4, plug; 6, inductance; 7, inductive rack; 1, anode, 2, anode; 9.Capacitor element; 51, the first basement membrane, the 511, first metallization zinc-aluminium layer; 512, the second metallization zinc-aluminium layer; 52, the second basement membrane; 521, intermediate metallization zinc-aluminium layer; 100, insulation screen band.
A, ceramic core rod; Dielectric material after b, winding.
Embodiment
Below by embodiment, the invention will be further described.It should be understood that preparation method described in the embodiment of the present invention is only used for the present invention is described, instead of limitation of the present invention, under concept thereof of the present invention, all the scope of protection of present invention is belonged to the simple modifications of preparation method of the present invention.The all raw materials used in embodiment and solvent are all purchased from SigmaBiochemicalandOrganicCompoundsforResearchandDiagnos ticClinicalReagents company.
Embodiment 1:
See shown in accompanying drawing: described capacitor, comprise anode 1, negative electrode 2, inductance 6, plug 4 and capacitor element 9, and this inductance 60 one end jointed anode 1.Concretely, this capacitor element 9 is: what this plug 4 was outside spaced be wound with the first basement membrane 51 and the second basement membrane 52 prepared by insulating material.So-called spaced, refer to after this first basement membrane 51 and the second basement membrane 52 are superimposed together and be jointly wrapped on this plug 4.Wherein, on this first basement membrane 51 along the tangent to periphery direction of this plug 4 side by side be provided with the first metallization zinc-aluminium layer 511 and the second metallization zinc-aluminium layer 512, and leave clear area between this first metallization zinc-aluminium layer 511 and second metallization zinc-aluminium layer 512 thus form insulation screen band 100.This second basement membrane 52 is provided with intermediate metallization zinc-aluminium layer 521, and the dual-side of this intermediate metallization zinc-aluminium layer 521 all leave clear area also formed insulation screen band 100.Now, this first metallization zinc-aluminium layer 511 and the second metallization zinc-aluminium layer 512 are connected the other end and the negative electrode 2 of this inductance 6 respectively.Like this, this inner series inductance series connection self healing capacitor have electric capacity that electric capacity, this second metallization zinc-aluminium layer 512 and this intermediate metallization zinc-aluminium layer 521 that this first metallization zinc-aluminium layer 511 and this intermediate metallization zinc-aluminium layer 521 formed formed,
The series connection of this inductance 6 three.
Through overetched conductive metal foil as anode film, anode film surface forms reoxidize dielectric layer through anodized, and anode film is also drawn wire and is anode; One with without etched surfaces also without anodized metal forming made by, and draw wire and become negative electrode, and the separator between anode film and cathodic coating, after entirety is wound into cylindrical shape, impregnated in electrolytical solution, give thermal polymerization, make between anode film and cathodic coating, form electroconductive polymer polyelectrolyte floor, form capacitor body.
About 100 DEG C are heated to capacitor body, then the electrolytic capacitor of high temperature is dipped in the powder groove of polymer I, the surface high-temp of capacitor body is utilized to make polymer I powder be built-up in capacitor body surface after molten, capacitor body is taken out from powder, continue to heat capacitor body within 30 minutes minutes, to cause temperature and reach about 100 DEG C, make the polymer I powder being built-up in capacitor body surface all in molten, after sclerosis, form encapsulated layer.According to production requirement, during as two-layer or more encapsulated layer need be formed, can ground floor molten polymer I in capacitor surface all in molten but unhardened before capacitor body is dipped in polymer I powder groove once again, utilize molten polymer I to attach polymer I powder in powder groove, form second layer encapsulated layer.
embodiment 2: the preparation of formula I polymer
Step one: take trimethylsilyl acetylene as raw material, under-78 DEG C of nitrogen protection conditions, by butyl lithium and 4,4 '-dibromobenzene ketone, by the terminal acetylene link compound waiting amount of substance reaction to generate hydroxyl; Concrete operations are: add 17mmolTMSA in 250ml there-necked flask, add 30ml anhydrous tetrahydro furan, are cooled to-78 DEG C, slowly drip fourth 2.4M butyl lithium solution 15.6mmol, insulation 30min.Add 4,4 '-dibromobenzene ketone 14.2mmol.Deionized water and tetrabutyl amine fluoride 14.2mmol is added after 12 hours.Use dichloromethane extraction organic layer, be spin-dried for rear carrene: benzinum=3:1 crosses post, obtain faint yellow solid compound.
Step 2: step one products therefrom than under the pyridinium p-toluenesulfonate catalysis being 5% in molar fraction, by the dehydrating agent ortho acid trimethyl effect of three times of equivalents, carries out dehydration cyclization with cyclohexanol and reacts; Concrete operations are: the compound 7.2mmol adding step one in reaction tube, cyclohexanol 8.6mmol, pyridinium p-toluenesulfonate 0.36mmol, add ortho acid trimethyl 21.6mmol under nitrogen atmosphere, then add 1,2-dichloroethanes 25ml, and 85 DEG C are stirred 12 hours.Cross post with benzinum and obtain white solid product, its nuclear magnetic data is as follows:
1HNMR(400Hz,CDCl
3):6.036(d,1H,J=9.6Hz),6.648(d,1H,J=9.6Hz),6.850(m,2H,J=4.8Hz)，7.006(d,1H,J=7.6Hz),7.120(t,1H,J=9.4Hz)，7.159(br,2H)，7.300(br,2H),7.456(br,2H),7.566(br,2H).
Step 3: step 2 products therefrom in molar fraction than the cuprous iodide being 5%, molar fraction than be 5% bis-triphenylphosphipalladium palladium dichloride catalytic condition under, be the trimethylsilyl acetylene generation coupled reaction with twice equivalent in the alkaline environment of solvent at triethylamine
.concrete operations are: add two (triphenylphosphine) palladium chloride of 0.14mmol in reaction tube; 0.14mmol cuprous iodide; 1.36mmol bromo-derivative; 15ml triethylamine is added under nitrogen protection; 5.44mmol trimethylsilyl acetylene, 75 DEG C are stirred 20 hours, cross thin-layer chromatography after elimination precipitation with benzinum; obtain pale yellow oily liquid body, magnetic resonance spectroscopy is:
1HNMR(400Hz,CDCl
3):0.250(s,18H),6.022-6.036(d,1H,J=10.0Hz),6.606-6.628(d,1H,J=9.6Hz)，6.840-6.901(m,2H,J=8.8Hz),6.867-6.905(d,1H,J=7.2Hz)，7.069-7.126(t,1H,J=7.6Hz)，7.326(br,2H),7.323(br,2H),7.323(br,2H),7.468(br,2H).
Step 4: the tetrabutyl ammonium fluoride of step 3 products therefrom and twice equivalent is obtained by reacting the compound containing end alkynes hydrogen; Concrete operations are: the product adding step 3 in round-bottomed flask, and add carrene and dissolve, then add the tetrabutyl amine fluoride of 2.1 times of equivalents, stirring at room temperature 15 minutes, obtaining product is yellow liquid, and magnetic resonance spectroscopy is:
1HNMR(400Hz,CDCl
3):3.125(s,2H),6.022-6.063(d,1H,J=9.6Hz),6.598-6.606(d,1H,J=7.2Hz)，6.896-6.970(m,2H,J=5.2Hz),7.001-7.120(d,1H,J=7.2Hz)，7.120-7.161(t,1H,J=7.6Hz)，7.386(br,2H),7.586(br,2H),7.488(br,2H),7.496(br,2H).
Step 5: the step 4 products therefrom adding 0.048mmol in round-bottomed flask, by milliliter THF of 15 after the deoxidation that anhydrates under argon shield, 10 ml waters add, and are heated to 60 DEG C of reactions 20 hours.A large amount of methyl alcohol is added cancellation reaction in reaction system.Suction filtration, with a large amount of acetone cyclic washing.Solid is spin-dried for Rotary Evaporators, then uses methyl alcohol reprecipitation, repeatable operation 3 times after dissolving with THF; After dissolving with THF for the last time, remove insoluble matter by filtered through silica gel, after being spin-dried for organic phase, with methanol extraction, drain, obtain polymer shown in formula I with Rotary Evaporators, it is white solid, productive rate 85%.M
wbe 6.2 × 10
4, molecular weight distributing index is 1.8.
1HNMR(400Hz,CDCl
3):0.826-0.868(br,18H),1.366-1.421(br,12H),1.535(br,12H)，2.100(br,12H)，6.085-6.106(br,1H),6.556-6.586(br,1H),6.806-6.838(br,1H),6.889-6.905(br,1H),6.989-7.081(br,1H),7.114-7.129(br,1H),7.210-7.286(br,4H),7.268-7.298(br,4H).
The indices of the capacitor of the present invention of use formula I polymer is shown in Table 1.
Table 1
Claims (5)
1. a winding type electrolytic capacitor, it is characterized in that comprising: anode (1), negative electrode (2), inductance (6), plug (4) and capacitor element (9), and one end jointed anode (1) of this inductance (6), and capacitor body surface coverage has the polymer shown in formula I
The Mw of described high molecular polymer is 6.2 × 10
4, molecular weight distributing index is 1.8.
2. winding type electrolytic capacitor according to claim 1, is characterized in that: described outer enclosure layer is two-layer.
3. winding type electrolytic capacitor according to claim 2, is characterized in that: described outer enclosure layer with the polymer shown in formula I for main material.
4. winding type electrolytic capacitor according to claim 1, is characterized in that: described plug (4) is ceramic core rod.
5. winding type electrolytic capacitor according to claim 1, it is characterized in that: described capacitor element (9) is: this plug (4) is outside spaced is wound with the first basement membrane (51) and the second basement membrane (52) prepared by insulating material, wherein, on this first basement membrane (51) along the tangent to periphery direction of this plug (40) side by side be provided with the first metallization zinc-aluminium layer (511) and second metallization zinc-aluminium layer (512), and be provided with insulation screen band (100) between this first metallization zinc-aluminium layer (511) and second metallization zinc-aluminium layer (512), this second basement membrane (52) is provided with intermediate metallization zinc-aluminium layer (521), and the dual-side of this intermediate metallization zinc-aluminium layer (521) is equipped with insulation screen band (100), simultaneously, this is first years old, second metallization zinc-aluminium layer (511, 512) other end and the negative electrode (2) of this inductance (6) is connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354829.1A CN105280384A (en) | 2014-07-24 | 2014-07-24 | Winding type electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354829.1A CN105280384A (en) | 2014-07-24 | 2014-07-24 | Winding type electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105280384A true CN105280384A (en) | 2016-01-27 |
Family
ID=55149234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354829.1A Pending CN105280384A (en) | 2014-07-24 | 2014-07-24 | Winding type electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105280384A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077829A (en) * | 2013-01-30 | 2013-05-01 | 慈溪市日益电容器厂 | Inner-series type self-healing capacitor serially connected with inductor and preparing method thereof |
| CN103477926A (en) * | 2013-09-29 | 2014-01-01 | 清华大学 | Intelligent artificial rainfall simulator |
-
2014
- 2014-07-24 CN CN201410354829.1A patent/CN105280384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077829A (en) * | 2013-01-30 | 2013-05-01 | 慈溪市日益电容器厂 | Inner-series type self-healing capacitor serially connected with inductor and preparing method thereof |
| CN103477926A (en) * | 2013-09-29 | 2014-01-01 | 清华大学 | Intelligent artificial rainfall simulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1773640B (en) | Solid electrolytic capacitor and producing method thereof | |
| JP3157748B2 (en) | Solid electrolytic capacitor using conductive polymer and method for manufacturing the same | |
| TWI436391B (en) | Solid electrolytic capacitor element and method for producing solid electrolytic capacitor element | |
| TWI492253B (en) | Method for manufacturing solid electrolytic capacitor | |
| EP0654804B1 (en) | Solid electrolytic capacitor | |
| CN101826398A (en) | The manufacture method of solid electrolytic capacitor | |
| JP2000133550A (en) | Solid electrolytic capacitor | |
| JP2011109023A (en) | Solid electrolytic capacitor, and method of manufacturing the same | |
| JPWO2015198547A1 (en) | Electrolytic capacitor manufacturing method | |
| CN105531778B (en) | electrolytic capacitor and its manufacturing method | |
| JP3228323B2 (en) | Solid electrolytic capacitor and method of manufacturing the same | |
| US10504658B2 (en) | Conductive material formulation and use thereof | |
| JP4632651B2 (en) | Solid electrolytic capacitor | |
| JP5872451B2 (en) | Electrolyte material composition, electrolyte material composition formed from the electrolyte material composition and use thereof | |
| CN1822267B (en) | Method for producing solid electrolytic capacitor | |
| CN101681690B (en) | Use of conjugated oligomer as additive for forming conductive polymers | |
| CN102592847B (en) | Solid electrolytic capacitor And Manufacturing approach | |
| JP2013139543A (en) | Electrolytic material formulation, electrolytic material polymer formed therefrom and use thereof | |
| JPH10247612A (en) | Solid electrolytic capacitor | |
| JPH1060234A (en) | Electroconductive polymer and its production and solid electrolytic capacitor using the same | |
| CN105280384A (en) | Winding type electrolytic capacitor | |
| CN102723201B (en) | Electrolyte material formulation, electrolyte material composition formed therefrom, and use thereof | |
| JPH0494110A (en) | Manufacture of solid electrolytic capacitor | |
| JP2570600B2 (en) | Method for manufacturing solid electrolytic capacitor | |
| JP2826341B2 (en) | Method for manufacturing solid electrolytic capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |