CN103268822A - Solid electrolyte aluminum electrolytic capacitor and manufacturing method thereof - Google Patents
Solid electrolyte aluminum electrolytic capacitor and manufacturing method thereof Download PDFInfo
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- CN103268822A CN103268822A CN2013101669649A CN201310166964A CN103268822A CN 103268822 A CN103268822 A CN 103268822A CN 2013101669649 A CN2013101669649 A CN 2013101669649A CN 201310166964 A CN201310166964 A CN 201310166964A CN 103268822 A CN103268822 A CN 103268822A
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Abstract
The invention relates to a solid electrolyte aluminum electrolytic capacitor and a manufacturing method of the solid electrolyte aluminum electrolytic capacitor. The solid electrolyte aluminum electrolytic capacitor comprises an aluminum shell, a core bag arranged in the aluminum shell, a rubber cover, a positive terminal and a negative terminal, wherein the core bag comprises anode formed foil, cathode foil, electrolytic paper arranged between the anode formed foil and the cathode foil, and polymer electrolytes, particularly, the anode formed foil is provided with an exposed portion which is exposed out of the core bag, and the cathode foil is provided with an exposed portion which is exposed out of the core bag. The solid electrolyte aluminum electrolytic capacitor further comprises a positive pole conducting strip and a negative pole conducting strip, wherein the positive pole conducting strip is welded with the exposed portion of the anode formed foil, the negative pole conducting strip is welded with the exposed portion of the cathode foil, the positive terminal is welded on the positive pole conducting strip, the negative terminal is connected with the bottom of the aluminum shell, and the negative pole conducting strip is further welded with the aluminum shell. The solid electrolyte aluminum electrolytic capacitor can be horizontally installed, thus mounting height can be reduced, the lengths of products can be shortened, miniaturization of the products can be achieved, the series equivalence can be reduced, and the anti-ripple capacity of the products can be improved.
Description
Technical field
The present invention relates to technical field of electrolytic, particularly a kind of solid electrolyte aluminium electrolytic capacitor and manufacture method thereof.
Background technology
The liquid electrolytic capacitor that solid electrolytic capacitor is compared common, its electrical property is very outstanding, has that equivalent series resistance (ESR) is low, a height of anti-ripple current the, long service life, steady performance.Continuous upgrading along with electronic product, improving constantly of its function and performance, high frequency characteristics to capacitor requires also more and more higher, people make different mounting meanss and realize different installation requirements, simultaneously also by also reducing the equivalent series resistance of solid electrolytic capacitor by all means, to satisfy the high frequency characteristics of capacitor.
In the prior art, the tactic pattern that the solid electrolytic capacitor industry is general mainly contains two kinds, the first: positive and negative paper tinsel and positive and negative guide pin link, and at same end, put on behind the Jiao Gai and make electric capacity after the encapsulation; Another kind of way is: positive and negative paper tinsel and positive and negative guide pin are linked, and two guide pins place core bag two ends respectively, and Jiao Gai is loaded onto at two ends respectively, refills to make electric capacity after aluminum hull seals.Preceding a kind of version is a kind of form that industry generally adopts, and can satisfy the application of most of occasion, but for the lower occasion of requirement for height, is difficult to meet the demands.A kind of version in back, terminal is drawn from two ends, and the mounting means of electric capacity is to crouch on installed surface, and is highly lower, well adapted to the low mounting means of requirement for height.But there are two defectives in this structure, the one, and two ends seal with Jiao Gai, for reaching certain sealing effectiveness, the thickness of Jiao Gai has certain requirement, and two ends have increased the length of electric capacity with two Jiao Gai, reduced the capacity of unit volume, another defective is that series equivalent resistance is higher.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of improved solid electrolyte aluminium electrolytic capacitor with when realizing that thereby horizontal installation reduces setting height(from bottom), reduce the series equivalent resistance and the length that reduces capacitor of capacitor.
The present invention also will provide a kind of manufacture method of solid electrolyte aluminium electrolytic capacitor simultaneously, thereby this method gained solid electrolyte aluminium electrolytic capacitor can be realized horizontal installation reduction setting height(from bottom), and series equivalent resistance is less, and the length of capacitor is shorter.
For solving above technical problem, a kind of technical scheme that the present invention takes is:
A kind of solid electrolyte aluminium electrolytic capacitor, it comprises aluminum hull, be arranged at the core bag in the aluminum hull, the Jiao Gai that is arranged on core bag top and is tightly connected with aluminum hull, positive terminal, negative terminal, described core bag comprises and is anodizing to paper tinsel, Cathode Foil, be arranged on described electrolytic paper and the polymer dielectric that is anodizing between aluminium foil and the described Cathode Foil, particularly, the described paper tinsel that is anodizing to, Cathode Foil has the exposed parts that exposes the core bag respectively, the solid electrolyte aluminium electrolytic capacitor also comprises respectively cathode conductive film and the cathode conductive film with the exposed parts welding that is anodizing to paper tinsel and Cathode Foil, described positive terminal is welded on the cathode conductive film, negative terminal is connected with the bottom of aluminum hull, and cathode conductive film also welds mutually with aluminum hull.
Preferably, the width of described Cathode Foil equals to be anodizing to the paper tinsel width, and the upper end that wherein is anodizing to paper tinsel surpasses electrolytic paper and Cathode Foil and exposes, and the bottom of Cathode Foil surpasses electrolytic paper and is anodizing to paper tinsel and exposes.
Preferably, be welded as Laser Welding between described cathode conductive film and the Cathode Foil, be welded as ultrasonic bond or Laser Welding between cathode conductive film and the aluminum hull.
Preferably, described cathode conductive film and be anodizing to the Laser Welding that is welded as between the paper tinsel is welded as electric welding between cathode conductive film and the positive terminal.
Preferably, described cathode conductive film is the fine aluminium material, and purity is more than or equal to 99.3%.
Further preferably, to be covered with thickness on the outer wall of described aluminum hull be the insulating barrier of 5 μ m～50 μ m or be coated with polyethylene terephthalate (PET) material or the sebific duct of polyethylene (PE) material.The material of insulating barrier can be terylene, epoxy resin or polyvinyl resin etc.
Preferably, described being anodizing between aluminium foil and the Cathode Foil and in the electrolytic paper has been full of polymer dielectric.In other words, described polymer dielectric be present in be anodizing between aluminium foil and the Cathode Foil and be present on the electrolytic paper and in.
The another technical scheme that the present invention takes is: a kind of manufacture method of solid electrolyte aluminium electrolytic capacitor, it comprises the following steps:
(1), will be anodizing between aluminium foil and the Cathode Foil and get involved electrolytic paper, be wound into the core bag, wherein, anode foils equates with the width of Cathode Foil, make the upper end that is anodizing to paper tinsel in the gained core bag surpass electrolytic paper and Cathode Foil and expose, the bottom of Cathode Foil surpasses electrolytic paper exposes with being anodizing to paper tinsel, and the core bag of coiling is fixing around clinging with adhesive tape;
(2), get cathode conductive film, itself and positive terminal are weldingly connected, cathode conductive film is welded on the exposed parts that is anodizing to paper tinsel again;
(3), step (2) gained core bag is immersed to change into change into repair process in the liquid, the described repair process mode that changes into is for directly being sandwiched in the folder, or is welded in the iron bar, and anchor clamps or iron bar are as positive pole, change into liquid as negative pole, the formation voltage that is anodizing to paper tinsel gets final product;
(4), the mode by impregnation makes through forming polymer dielectric in the core bag of step (3);
(5), the polymer dielectric on the surface of the Cathode Foil that will expose removes, and cathode conductive film is welded on the exposed parts of Cathode Foil with laser;
(6), wrapping and install Jiao Gai through the core of step (5), the bottom of packing into is connected with in the aluminum hull of negative terminal, with ultrasonic bond or Laser Welding cathode conductive film and aluminum hull is welded;
(7), with aluminum hull and Jiao Gai by the form sealing that rolling seals, namely get described solid electrolyte aluminium electrolytic capacitor.
Further, described manufacture method also is included in step (7) afterwards, gained solid electrolyte aluminium electrolytic capacitor is carried out successively the step of high temperature ageing and testing, sorting, wherein, the high temperature ageing condition is as follows: ambient temperature is controlled between 85 ℃～200 ℃, apply voltage and be respectively 20%, 80%, 100% and 120% operating voltage, ageing time is 10～240 minutes.
Preferably, in the step (2), cathode conductive film and be anodizing to the Laser Welding that is welded as between the paper tinsel is welded as electric welding between cathode conductive film and the positive terminal.
Manufacturing method according to the invention, wherein related repair process is adopted changes into liquid, and the concrete mode of related formation polymer dielectric all can be implemented with reference to prior art in the step (4), is not particularly limited.
According to the present invention, step (3) afterwards step (4) can carry out carbonization treatment if necessary before.
In the step (4), its operate to realize described be anodizing between aluminium foil and the Cathode Foil and be full of polymer dielectric in the electrolytic paper be advisable.
The method according to this invention, wherein, Jiao Gai preferably adopts exotic material, for example can be vulcanized butyl rubber or polyethylene terephthalate (PET).
Preferably, described method also is included in and covers thickness on the outer wall of aluminum hull and is the insulating barrier of 5 μ m～50 μ m or is coated with polyethylene terephthalate (PET) or the sebific duct of polyethylene (PE) material.The material of described insulating barrier can be for example terylene, epoxy resin or polyethylene (PE) resin.
Because the employing of technique scheme, the present invention compared with prior art has the following advantages:
1, the mode of the positive and negative electrode of electric capacity is drawn at the two ends of capacitor employing of the present invention, has reduced setting height(from bottom), has adapted to specific (special) requirements and has installed requirement highly, has realized the horizontal installation when electric capacity uses;
2, the present invention is connected Cathode Foil with aluminum hull by cathode conductive film with negative terminal, to be anodizing to paper tinsel by cathode conductive film and be connected with positive terminal, and take the benefit of this structure to be: on the one hand, owing to only used a Jiao Gai, shorten the length of product, realized the miniaturization of product; On the other hand, reduced between Cathode Foil and the negative terminal, be anodizing to the resistance between paper tinsel and the positive terminal, greatly reduced the series equivalent resistance of product, improved the ability of the anti-ripple of product.
Description of drawings
Fig. 1 is the structural representation according to solid electrolyte aluminium electrolytic capacitor of the present invention;
Fig. 2 is the structural representation according to the core bag of solid electrolyte aluminium electrolytic capacitor of the present invention;
Fig. 3 has shown the cathode conductive film of capacitor of the present invention and the structural representation of positive terminal;
Wherein: 1, positive terminal; 2, negative terminal; 3, Jiao Gai; 4, aluminum hull; 5, cathode conductive film; 6, insulating barrier; 7, core bag; 71, be anodizing to aluminium foil; 72, Cathode Foil; 73, electrode paper; 8, cathode conductive film.
Embodiment
The present invention is intended to improve by the structure to capacitor, to realize the horizontal installation of capacitor product, reduces setting height(from bottom), shortens product length, realizes the miniaturization of product and the series connection equivalence (ESR) that reduces product, improves the anti-ripple ability of product.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
Consult Fig. 1 to Fig. 3, present embodiment provides a kind of copolymer solid electrolyte aluminium electrolytic capacitor, specification is 25V820 μ F, and production quantity is 300, and it comprises positive terminal 1, negative terminal 2, glue lid 3, aluminum hull 4, cathode conductive film 5, cathode conductive film 8 and core bag 7.Core bag 7 constitutes by being anodizing to aluminium foil 71, Cathode Foil 72, electrolytic paper 73 and polymer dielectric.Welding positive terminal 1 on core bag 7 upper ends welding cathode conductive film 8, the cathode conductive film 8, the bottom welding cathode conductive film 5 of core bag 7.Glue lid 3 and aluminum hull 4 are separately positioned on the top of core bag 7 and all around, aluminum hull 4 and cathode conductive film 5 welding, and aluminum hull 4 bottoms connect negative terminal 2, are coated with insulating barriers 6 outside the aluminum hull 4.
The manufacture method of solid electrolyte aluminium electrolytic capacitor comprises the following step that carries out successively:
(1), choose formation voltage be 51V change into paper tinsel as being anodizing to aluminium foil, cutting width is 20mm; The width that cuts of electrolytic paper is 20mm; Choose suitable Cathode Foil, cutting width is 20mm.
(2), will be anodizing between aluminium foil and the Cathode Foil and get involved electrolytic paper, be wound into the core bag, wherein, anode foils equates with the width of Cathode Foil, make the upper end that is anodizing to paper tinsel in the gained core bag surpass electrolytic paper and Cathode Foil and expose 1mm, the bottom of Cathode Foil surpasses electrolytic paper and exposes 1mm with being anodizing to paper tinsel, and the core bag of coiling is fixing around clinging with adhesive tape.
(3), get cathode conductive film,, again cathode conductive film is welded on the exposed parts that is anodizing to paper tinsel by electric welding itself and positive terminal welding with laser.
(4), step (3) gained core bag is delivered to by the machine of changing into changed in the anchor clamps, put into and changed into the liquid dipping 10 minutes, formation voltage is 50V, and changing into liquid is that ammonium adipate changes into liquid, changed into 25 minutes, the oxidation film layer on antianode formed aluminum foil surface is repaired.
(5), the core bag of winding is put in the container that stainless steel makes, be put in temperature and be in 270 ℃ the high temperature oven and carry out carbonization treatment.
(6), polymerization single polymerization monomer and oxidant contained respectively be dipped in the core bag, carry out polymerization reaction, thereby generate copolymer solid electrolyte being anodizing between aluminium foil and the Cathode Foil and in the electrolytic paper.
(7), the polymer on the Cathode Foil surface that will expose is removed, and with laser cathode conductive film and Cathode Foil is welded;
(8), core is packed gluing lid, packing into is provided with insulating barrier (PE resin) and the bottom is connected with in the aluminum hull of negative terminal outward, with ultrasonic bond cathode conductive film and aluminum hull is welded.
(9), with aluminum hull and Jiao Gai by the form sealing that rolling seals, namely get the solid electrolyte aluminium electrolytic capacitor product.
Product is put into temperature control at 125 ℃ baking oven, apply 5V respectively, the voltage of 20V, 25V and 30V, the time was made as respectively 30 minutes, 30 minutes, 30 minutes and 60 minutes, wore out, and tested after the answer 2 of having worn out is little.
After the number that manufactures a finished product is 300 sortings, big 2 of loss wherein, leakage current is big 3, totally 5 bad devices, the test yields is 98.33%.
Table 1 has shown that this routine 25V820 μ F product (optional 10) in the capacitance under the 120Hz frequency, loss, the measured value of ESR under the 100KHz frequency, applies the leakage current of 25V voltage measurement.
Table 1
| Sequence number | Capacity (uf) | Loss (100%) | ESR(mΩ) | Leakage current (uA/1 minute) |
| Specification | 656～984 | 6% | 8 | 2050 |
| 1 | 825.6 | 2.31 | 5.5 | 24 |
| 2 | 821.4 | 2.21 | 5.4 | 23 |
| 3 | 827.5 | 2.22 | 5.6 | 25 |
| 4 | 821.3 | 2.14 | 5.7 | 32 |
| 5 | 823.4 | 2.35 | 5.3 | 34 |
| 6 | 825.6 | 2.15 | 5.5 | 27 |
| 7 | 823.5 | 2.22 | 5.4 | 31 |
| 8 | 823.7 | 2.22 | 5.4 | 25 |
| 9 | 825.4 | 2.18 | 5.8 | 31 |
| 10 | 821.5 | 2.19 | 5.7 | 34 |
| Maximum | 827.5 | 2.35 | 5.8 | 34.0 |
| Minimum value | 821.3 | 2.14 | 5.3 | 23.0 |
| Mean value | 823.9 | 2.22 | 5.5 | 28.6 |
It is the copolymer solid electrolyte aluminium electrolytic capacitor of 50V220 μ F that present embodiment provides a kind of specification, and specification is 50V220 μ F, and its basic structure is with embodiment 1.Different is that the manufacture method of this capacitor is as follows:
(1), choose formation voltage be 105V change into paper tinsel as being anodizing to aluminium foil, cutting width is 15mm; The width that cuts of electrolytic paper is 15mm; Choose suitable Cathode Foil, cutting width is 15mm.
(2), will be anodizing between aluminium foil and the Cathode Foil and get involved electrolytic paper, be wound into the core bag, wherein, anode foils equates with the width of Cathode Foil, make the upper end that is anodizing to paper tinsel in the gained core bag surpass electrolytic paper 1mm and Cathode Foil 2mm and expose, the bottom of Cathode Foil surpasses electrolytic paper 1mm exposes with being anodizing to paper tinsel 2mm, and the core bag of coiling is fixing around clinging with adhesive tape.
(3), get cathode conductive film,, again cathode conductive film is welded on the exposed parts that is anodizing to paper tinsel by electric welding itself and positive terminal welding with laser.
(4), the core bag of winding delivered to by the machine of changing into change in the anchor clamps, put into and changed into the liquid dipping 10 minutes, formation voltage is 100V, changing into liquid is that ammonium adipate changes into liquid, changes into 25 minutes, the oxidation film layer on antianode formed aluminum foil surface is repaired.
(5), the core bag is put in the container that stainless steel makes, be put in temperature and be and carry out drying in 125 ℃ the baking oven and handle.
(6), polymerization single polymerization monomer mixed with oxidant be scattered in the water, contain and be dipped in the core bag, and dry the processing, thereby generate copolymer solid electrolyte being anodizing between aluminium foil and the Cathode Foil and in the electrolytic paper.
(7), the polymer on the Cathode Foil surface that will expose is removed, and with laser cathode conductive film and Cathode Foil is welded;
(8), core is packed gluing lid, packing into is coated with in the aluminum hull of PET sebific duct, with ultrasonic bond cathode conductive film and aluminum hull is welded.
(9), with aluminum hull and Jiao Gai by the form sealing that rolling seals, namely get the copolymer solid electrolyte aluminium electrolytic capacitor product.
Product is put into temperature control at 125 ℃ baking oven, apply 10V respectively, the voltage of 40V, 50V and 60V, the time was made as respectively 30 minutes, 30 minutes, 30 minutes and 60 minutes, wore out, and tested after the answer 2 of having worn out is little.
Wherein manufacture a finished product number for after the 300PCS sorting, big 4 of loss wherein, leakage current is big 3, totally 7 bad, yields is 97.66%.
Table 2 is this routine 50V220 μ F product (optional 10) in the capacitance under the 120Hz frequency, loss, the measured value of ESR under the 100KHz frequency, applies the leakage current of 50V voltage measurement.
Table 2
| Sequence number | Capacity (uf) | Loss (100%) | ESR(mΩ) | Leakage current (uA/1 minute) |
| Specification | 176～264 | 6% | 8 | 1100 |
| 1 | 225.2 | 2.56 | 7.1 | 21 |
| 2 | 221.2 | 2.44 | 7.0 | 23 |
| 3 | 223.2 | 2.44 | 6.9 | 21 |
| 4 | 221.2 | 2.55 | 6.8 | 24 |
| 5 | 223.5 | 2.57 | 7.4 | 22 |
| 6 | 224.3 | 2.45 | 7.2 | 25 |
| 7 | 224.1 | 2.38 | 6.9 | 25 |
| 8 | 226.2 | 2.39 | 6.9 | 21 |
| 9 | 220.3 | 2.49 | 7.0 | 28 |
| 10 | 223.3 | 2.65 | 7.2 | 26 |
| Maximum | 226.2 | 2.65 | 7.4 | 28.0 |
| Minimum value | 220.3 | 2.38 | 6.8 | 21.0 |
| Mean value | 223.3 | 2.49 | 7.0 | 23.6 |
It should be noted that at last: above only is the preferred embodiments of the present invention; be not limited to the present invention; although the present invention has been described in detail with reference to embodiment; for a person skilled in the art; it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing; perhaps part technical characterictic wherein is equal to replacement; in every case within the spirit and principles in the present invention; any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. solid electrolyte aluminium electrolytic capacitor, it comprises aluminum hull, be arranged at the core bag in the described aluminum hull, the Jiao Gai that is arranged on described core bag top and is tightly connected with described aluminum hull, positive terminal, negative terminal, described core bag comprises and is anodizing to paper tinsel, Cathode Foil, be arranged on described electrolytic paper and the polymer dielectric that is anodizing between aluminium foil and the described Cathode Foil, it is characterized in that: the described paper tinsel that is anodizing to, described Cathode Foil has the exposed parts that exposes described core bag respectively, described solid electrolyte aluminium electrolytic capacitor also comprises respectively and described cathode conductive film and the cathode conductive film that is anodizing to the exposed parts welding of paper tinsel and Cathode Foil, described positive terminal is welded on the described cathode conductive film, described negative terminal is connected with the bottom of described aluminum hull, and described cathode conductive film also welds mutually with described aluminum hull.
2. solid electrolyte aluminium electrolytic capacitor according to claim 1, it is characterized in that: the width of described Cathode Foil equals the described paper tinsel width that is anodizing to, the wherein said upper end that is anodizing to paper tinsel surpasses electrolytic paper and Cathode Foil and exposes, and the bottom of described Cathode Foil surpasses electrolytic paper and is anodizing to paper tinsel and exposes.
3. solid electrolyte aluminium electrolytic capacitor according to claim 1 is characterized in that: be welded as Laser Welding between described cathode conductive film and the described Cathode Foil, be welded as ultrasonic bond or Laser Welding between described cathode conductive film and the described aluminum hull.
4. solid electrolyte alminium electrolytic condenser according to claim 1 is characterized in that along reaching: described cathode conductive film and the described Laser Welding that is welded as that is anodizing between the paper tinsel are welded as electric welding between described cathode conductive film and the positive terminal.
5. solid electrolyte aluminium electrolytic capacitor according to claim 1, it is characterized in that: described cathode conductive film is the fine aluminium material, and purity is more than or equal to 99.3%.
6. solid electrolyte aluminium electrolytic capacitor according to claim 1 is characterized in that: to be covered with thickness on the outer wall of described aluminum hull be the insulating barrier of 5 μ m ~ 50 μ m or be coated with the polyethylene terephthalate material or the sebific duct of polyethylene material.
7. solid electrolyte aluminium electrolytic capacitor according to claim 6, it is characterized in that: the material of described insulating barrier is terylene, epoxy resin or polyvinyl resin.
8. solid electrolyte aluminium electrolytic capacitor according to claim 1 is characterized in that: describedly be anodizing between aluminium foil and the Cathode Foil and be full of described polymer dielectric in the described electrolytic paper.
9. the manufacture method of a solid electrolyte aluminium electrolytic capacitor is characterized in that: comprise the following steps:
(1), will be anodizing between aluminium foil and the Cathode Foil and get involved electrolytic paper, be wound into the core bag, wherein, described anode foils equates with the width of Cathode Foil, make the upper end that is anodizing to paper tinsel described in the gained core bag surpass electrolytic paper and Cathode Foil and expose, the bottom of described Cathode Foil surpasses electrolytic paper exposes with being anodizing to paper tinsel, and the core bag of coiling is fixing around clinging with adhesive tape;
(2), get cathode conductive film, itself and positive terminal are weldingly connected, again cathode conductive film is welded on the described exposed parts that is anodizing to paper tinsel;
(3), step (2) gained core bag is immersed to change into change into repair process in the liquid, the described repair process mode that changes into is for directly being sandwiched in the folder, or is welded in the iron bar, and anchor clamps or iron bar are as positive pole, change into liquid as negative pole, the formation voltage that is anodizing to paper tinsel gets final product;
(4), the mode by impregnation makes through forming polymer dielectric in the core bag of step (3);
(5), the polymer dielectric on the surface of the Cathode Foil that will expose removes, and cathode conductive film is welded on the exposed parts of Cathode Foil with laser;
(6), wrapping and install Jiao Gai through the core of step (5), the bottom of packing into is connected with in the aluminum hull of negative terminal, with ultrasonic bond or Laser Welding cathode conductive film and aluminum hull is welded;
(7), with aluminum hull and Jiao Gai by the form sealing that rolling seals, namely get described solid electrolyte aluminium electrolytic capacitor.
10. the manufacture method of solid electrolytic electrolytic capacitor according to claim 9, it is characterized in that: described manufacture method also is included in step (7) afterwards, gained solid electrolyte aluminium electrolytic capacitor is carried out successively the step of high temperature ageing and testing, sorting, wherein, the high temperature ageing condition is as follows: ambient temperature is controlled between 85 ℃ ~ 200 ℃, apply voltage and be respectively 20%, 80%, 100% and 120% operating voltage, ageing time is 10 ~ 240 minutes.
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| CN104752060A (en) * | 2015-03-22 | 2015-07-01 | 深圳江浩电子有限公司 | Aluminum electrolytic capacitor core cladding and manufacture method thereof |
| CN107331518A (en) * | 2017-08-11 | 2017-11-07 | 佛山市三水日明电子有限公司 | The manufacture method of solid electrolyte/aluminum electrolytic capacitor |
| CN107369569A (en) * | 2017-08-11 | 2017-11-21 | 佛山市三水日明电子有限公司 | A kind of formation device of solid electrolyte/aluminum electrolytic capacitor |
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| CN113921284B (en) * | 2021-09-09 | 2023-05-26 | 黄山振州电子科技股份有限公司 | Aluminum electrolytic capacitor for quick charge and discharge |
| CN114709081A (en) * | 2022-04-12 | 2022-07-05 | 南通飞泰电子科技有限公司 | High-capacity low-voltage chip type laminated aluminum capacitor and preparation method thereof |
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Denomination of invention: Solid electrolyte aluminum electrolytic capacitor and manufacturing method thereof Effective date of registration: 20170412 Granted publication date: 20160810 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: Foshan Sanshui Riming Electroncs Co., Ltd. Registration number: 2017990000303 |