CN107887166B - Polymeric electrode foil, preparation method thereof and conductive polymer solid chip capacitor - Google Patents

Polymeric electrode foil, preparation method thereof and conductive polymer solid chip capacitor Download PDF

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CN107887166B
CN107887166B CN201711060086.7A CN201711060086A CN107887166B CN 107887166 B CN107887166 B CN 107887166B CN 201711060086 A CN201711060086 A CN 201711060086A CN 107887166 B CN107887166 B CN 107887166B
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dispersion
electrode foil
surfactant
polymeric
polymerization layer
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CN107887166A (en
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靳博
秦钟华
蒋松成
武林玉
陈琛
李如升
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Guizhou Zhenhua Electronic Information Industry Technology Research Co Ltd
State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
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State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/15Solid electrolytic capacitors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • H01G9/045Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium

Abstract

The invention relates to the technical field of capacitor manufacturing, in particular to a polymer electrode foil which comprises an electrode foil treated by a surfactant and a dispersion polymerization layer, wherein the dispersion polymerization layer is attached to the surface of the electrode foil, and the electrode foil is an aluminum foil. The invention also relates to a preparation method of the polymeric electrode foil, which comprises the following steps: the dispersion is polymerized and attached to the surface of the electrode foil treated with the surfactant. The invention also relates to a conductive polymer solid chip capacitor, which is provided with the anode prepared from the polymeric electrode foil. The preparation method of the polymeric electrode foil is convenient to operate, excellent in effect, low in production cost and convenient to popularize and apply, and the rated voltage of the conductive polymer solid-sheet type aluminum electrolytic capacitor further manufactured by the prepared polymeric electrode foil is not less than 16V, and the conductive polymer solid-sheet type aluminum electrolytic capacitor is good in product parameters and excellent in performance.

Description

Polymeric electrode foil, preparation method thereof and conductive polymer solid chip capacitor
Technical Field
The invention relates to the technical field of capacitor manufacturing, in particular to a polymeric electrode foil, a preparation method thereof and a conductive polymer solid chip capacitor.
Background
The conductive polymer solid chip type aluminum electrolytic capacitor is a chip type solid aluminum electrolytic capacitor which adopts a high-conductivity polymer material as a cathode, and has superior performance to the existing liquid chip type aluminum electrolytic capacitor and solid chip type tantalum electrolytic capacitor. The conductive polymer solid chip type aluminum electrolytic capacitor does not need to be used in a rated voltage range, has extremely low equivalent series resistance (ESR for short), has strong capacity of reducing ripple voltage, and allows larger ripple current to pass. The impedance curve of the conductive polymer solid chip type aluminum electrolytic capacitor shows the characteristic of an approximate ideal capacitor under high frequency, and the capacitance is very stable under the condition of frequency change.
Among various chip electronic components, the conductive polymer solid chip type aluminum electrolytic capacitor has the greatest difficulty in chip formation and is also the highest in technical content. The conductive polymer solid chip type aluminum electrolytic capacitor has the advantages of large capacitance, small volume, low price and the like.
The polymerization method of the low-voltage product of the conductive polymer solid-chip aluminum electrolytic capacitor mainly comprises polythiophene or polypyrrole, the two methods can only prepare the conductive polymer solid-chip aluminum electrolytic capacitor with the rated voltage less than 16V, and the product with higher voltage cannot be polymerized by the two methods. Therefore, the conductive polymer solid chip type aluminum electrolytic capacitor with good electrical parameters and excellent performance and with the rated voltage of more than 16V is lacked.
Disclosure of Invention
The first purpose of the invention is to provide a polymeric electrode foil which can be used for preparing a conductive polymer solid-sheet type aluminum electrolytic capacitor with good electrical parameters and excellent performance and with the rated voltage more than or equal to 16V.
The second objective of the invention is to provide a method for preparing a polymeric electrode foil, which is to prepare the polymeric electrode foil through a simple process, so that the polymeric electrode foil can enable the rated voltage of the prepared conductive polymer solid-state sheet type aluminum electrolytic capacitor to be more than or equal to 16V, and has good electrical parameters and excellent performance.
The third object of the present invention is to provide a conductive polymer solid chip capacitor, which has the above polymeric electrode foil and is an aluminum electrolytic capacitor, and which has a rated voltage of not less than 16V, good electrical parameters and excellent performance.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The invention provides a polymeric electrode foil which comprises an electrode foil treated by a surfactant and a dispersion polymerization layer, wherein the dispersion polymerization layer is attached to the surface of the electrode foil, and the electrode foil is an aluminum foil.
The invention also relates to a preparation method of the polymeric electrode foil, which comprises the following steps: the dispersion is polymerized and attached to the surface of the electrode foil treated with the surfactant.
The invention also relates to a conductive polymer solid chip capacitor, which is provided with the anode prepared from the polymeric electrode foil.
The invention provides the preparation method of the polymer electrode foil, which is convenient to operate, has excellent effect, low production cost and convenient popularization and application, and the rated voltage of the conductive polymer solid-state chip type aluminum electrolytic capacitor further manufactured by the prepared polymer electrode foil is not less than 16V, and the product has good parameters and excellent performance.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below. Those whose specific conditions are not specified in the embodiment or examples are carried out according to the conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The following is a detailed description of the polymeric electrode foil, the method of manufacturing the same, and the conductive polymer solid chip capacitor according to the embodiments of the present invention.
Some embodiments of the present invention relate to a polymeric electrode foil comprising a surfactant-treated electrode foil and a dispersion polymerization layer attached to a surface of the electrode foil, the electrode foil being an aluminum foil.
The electrode foil treated with the surfactant can improve the capacity extraction rate, and the dispersion liquid is polymerized on the surface of the electrode foil to further extract the capacity.
According to some embodiments, the dispersion polymerization layer is a multilayer, and in some embodiments, the dispersion polymerization layer includes at least a dispersion LV polymerization layer, a dispersion IL polymerization layer, a dispersion KV2 polymerization layer, and a dispersion W5 polymerization layer, and the dispersion LV polymerization layer, the dispersion IL polymerization layer, the dispersion KV2 polymerization layer, and the dispersion W5 polymerization layer are attached to the surface of the electrode foil in this order from inside to outside. That is, in some embodiments, the surface of the electrode foil is adhered with the dispersion LV polymerization layer, the dispersion IL polymerization layer, the dispersion KV2 polymerization layer, and the dispersion W5 polymerization layer, and the surface of the dispersion W5 polymerization layer may also be adhered with a double-layer structure of the dispersion KV2 polymerization layer and the dispersion W5 polymerization layer, and a plurality of repeating units of the double-layer structure. Among them, it is to be noted that the dispersion LV, the dispersion IL, the dispersion KV2 and the dispersion W5 mentioned herein are specific four dispersions produced by heirlberg, germany.
Through the combination of the various dispersion liquid polymerization layers, the capacity of the electrode foil can be fully led out, so that the prepared conductive polymer solid-chip aluminum electrolytic capacitor can reach a rated voltage of more than or equal to 16V, and the conductive polymer solid-chip aluminum electrolytic capacitor has good product parameters and excellent performance.
Some embodiments of the present invention also relate to a method of preparing the above polymeric electrode foil, comprising: the dispersion is polymerized and attached to the surface of the electrode foil treated with the surfactant.
Some embodiments of the present invention also relate to a method of preparing the above polymeric electrode foil, comprising: the dispersion LV, the dispersion IL, the dispersion KV2, and the dispersion W5 were successively polymerized and adhered to the surface of the surfactant-treated electrode foil.
Some embodiments of the present invention also relate to a method of preparing the above polymeric electrode foil, comprising: the electrode foil treated with the surfactant was immersed and dried in the dispersion LV, then immersed and dried in the dispersion IL, then immersed and dried in the dispersion KV2, and then immersed and dried in the dispersion W5.
The dispersion liquid is well polymerized on the surface of the electrode foil through the processes of dipping and drying again, the four dispersion liquids are polymerized on the surface of the electrode foil in a dipping and drying mode respectively, and the capacity of the electrode foil can be fully led out.
According to some embodiments, the dipping of the electrode foil in the dispersion LV is cyclic dipping, the number of dipping is 3 to 20 times, preferably 7 to 15 times, for example, the number of dipping may be 5, 8, 9, 10, 11 or 13 times. The time for each dipping is 2-15 min, more preferably 3-13 min, such as 8min, 9min, 10min or 11 min. By the repeated cyclic dipping and the setting of the dipping time, the dispersion liquid LV can be well polymerized on the surface of the electrode foil to form a polymerization layer, and the capacity of the finally formed electrode foil is improved. The drying temperature after each dipping in the dispersion LV is 118-122 ℃, and the drying time is 40-50 min. The surface of impregnating at every turn can be well dried under the action of the temperature range and the drying time, the performance of the surface can not be damaged, and the achieved drying effect is better under the drying condition, so that the next impregnation can have a better impregnation effect.
According to some embodiments, the dipping of the electrode foil in the dispersion IL is cyclic dipping, the number of dipping is 2 to 15 times, preferably 3 to 13 times, for example, the number of dipping may be 5 times, 8 times, 9 times, 10 times, 11 times or 13 times. The time for each dipping is 2-15 min, more preferably 3-13 min, such as 8min, 9min, 10min or 11 min. The drying temperature after each dipping in the dispersion IL is 118-122 ℃, and the drying time is 40-50 min. By the immersion in multiple cycles and the setting of the immersion time for each cycle, the dispersion IL can be polymerized on the surface of the electrode foil well to form a polymer layer, and the capacity of the electrode foil to be finally formed can be improved. The drying temperature after each dipping in the dispersion IL is 118-122 ℃, and the drying time is 40-50 min. The surface of impregnating at every turn can be well dried under the action of the temperature range and the drying time, the performance of the surface can not be damaged, and the achieved drying effect is better under the drying condition, so that the next impregnation can have a better impregnation effect.
According to some embodiments, the electrode foil is circulated through successive immersions in the dispersion KV2 and the dispersion W5, that is, immersion of the dispersion KV2 and the dispersion W5 is performed once as one circulation, the number of circulations being 2 to 15, preferably 3 to 12, for example, the number of circulations may be 5, 8, 9, 10, 11, or 13. Each dipping time in the dispersion KV2 and the dispersion W5 is 2-20 min, more preferably 4-15 min, such as 8min, 9min, 10min or 11 min. By repeated dipping and setting of the dipping time, a stable double-layer structure of a dispersion KV2 polymerization layer and a dispersion W5 polymerization layer can be formed on the surface of the electrode foil, the capacity of the finally formed electrode foil can be effectively improved, and the superiority of performance can be maintained. The drying temperature after each dipping in the dispersion KV2 and the dispersion W5 is 118-122 ℃, and the drying time is 40-50 min. The surface of impregnating at every turn can be well dried under the action of the temperature range and the drying time, the performance of the surface can not be damaged, and the achieved drying effect is better under the drying condition, so that the next impregnating can have a better impregnating effect.
According to some embodiments, the surfactant-treated electrode foil is an electrode foil obtained by bringing the surface of the electrode foil into contact with a surfactant for reaction. In some embodiments, the contact reaction is a contact reaction between the surface of the electrode foil and a solution of a surfactant, preferably, the electrode foil is immersed in the solution of the surfactant and then dried, further preferably, the immersion time is 5 to 15min, the drying temperature is 85 to 95 ℃, and the drying time is 1.5 to 2.5 hours. By the selection of the dipping method, the dipping time, the drying temperature and the time, the surface of the electrode foil can be fully and uniformly treated by the surfactant, and the capacity extraction rate of the electrode foil is improved.
According to some embodiments, the electrode foil is aluminum foil and the surfactant is one or more of a silane coupling agent. Silane coupling agents are a class of organosilicon compounds that contain two different chemical groups in the molecule. For example, the surfactant may be selected from peroxy silane, silane coupling agent KH550, etc.
According to some embodiments, the solvent of the surfactant is at least one of deionized water and an alcohol organic solvent, for example, the solvent of the surfactant may be deionized water, or may be one of alcohol organic solvents, such as ethanol, butanol, hexanol, propanol, propylene glycol or glycerol, preferably absolute ethanol, or may be a mixture of deionized water and an alcohol organic solvent. Preferably, the solvent of the surfactant is a combination of deionized water and ethanol, and more preferably, the mass ratio of the deionized water to the ethanol is 1: 1.5-2.5, for example, the mass ratio of deionized water to ethanol is 1: 2.
according to some embodiments, the surfactant and the solvent are 1-10% by mass: 90-99%, for example, 2%: 98%, or 3%: 97%, or 4%: 96%, or 5%: 95%, or 6%: 94%, etc.
Some embodiments of the present invention relate to a method of preparing a polymeric electrode foil, comprising the steps of:
(1) pretreatment: dissolving a surfactant in a solvent through magnetic stirring, preferably stirring for 25-35 min, pouring the stirred solution into a dipping tank, putting an aluminum foil to be pretreated, dipping for 8-12 min, then putting into an oven, and drying for 1.5-2.5 h at 88-92 ℃.
(2) Pouring the dispersion LV into an impregnation tank, adding an aluminum foil treated by a surfactant, impregnating, and drying.
(3) Repeating the step (2) for 3-20 times.
(4) Pouring the dispersion IL into an impregnation tank, adding the aluminum foil impregnated with the dispersion LV, impregnating, and drying.
(5) And (5) repeating the step (4) for 2-15 times.
(6) And (4) pouring the dispersion KV2 into a dipping tank, putting the aluminum foil treated in the step (5), dipping and drying.
(7) Pouring the dispersion liquid W5 into a dipping tank, putting the aluminum foil treated in the step (6), dipping and drying.
(8) Repeating the steps (6) and (7) for 2-15 times.
Some embodiments of the present invention also provide a conductive polymer solid chip capacitor having an anode prepared from the above-described polymeric electrode foil.
The preparation method of the polymeric electrode foil provided by the embodiment of the invention has the advantages of convenient operation, excellent effect, low production cost and convenient popularization and application, and the rated voltage of the conductive polymer solid-chip aluminum electrolytic capacitor further manufactured by the prepared polymeric electrode foil is not less than 16V, and the product has good parameters and excellent performance.
The features and properties of the present invention are described in further detail below with reference to examples.
The aluminum foils adopted in the embodiment are all Y100LN03-64.7VF, and the specific volumes are all 19.5 muF/cm2An aluminum foil is taken as an example.
Example 1
(1) Pretreatment: uniformly mixing 500g of deionized water and 1000g of absolute ethyl alcohol, adding 47g of silane coupling agent KH550, magnetically stirring for 30min, pouring into a dipping tank, putting an aluminum foil to be pretreated, dipping for 10min, and then putting into an oven to dry for 2h at 90 ℃.
(2) Pouring the dispersion LV into a dipping tank, adding an aluminum foil treated by a surfactant, dipping for 10min, and then putting into an oven to dry for 45min at 120 ℃.
(3) Repeating the step (2) for 10 times.
(4) Pouring the dispersion IL into an impregnation tank, adding the aluminum foil impregnated with the dispersion LV, impregnating for 12min, and then drying in an oven at 120 ℃ for 45 min.
(5) Repeating the step (4) for 10 times.
(6) Pouring the dispersion KV2 into a dipping tank, putting the aluminum foil treated in the step (5), dipping for 10min, and then putting into an oven to dry for 45min at 120 ℃.
(7) Pouring the dispersion liquid W5 into a dipping tank, putting the aluminum foil treated in the step (6), dipping for 10min, and then putting into an oven to dry for 45min at 120 ℃.
(8) Repeating the steps (6) and (7)9 times to obtain the polymer electrode foil.
(9) The conductive polymer solid sheet type aluminum electrolytic capacitor is prepared by using the polymeric electrode foil.
Example 2
(1) Pretreatment: uniformly mixing 500g of deionized water and 1000g of absolute ethyl alcohol, adding 79g of silane coupling agent KH570, magnetically stirring for 30min, pouring into a dipping tank, putting an aluminum foil to be pretreated, dipping for 10min, and then putting into an oven to dry for 2h at 90 ℃.
(2) Pouring the dispersion LV into a dipping tank, adding the pretreated aluminum foil, dipping for 12min, and then putting into an oven to dry for 45min at 120 ℃.
(3) Repeating the step (2)9 times.
(4) Pouring the dispersion IL into an impregnation tank, adding the aluminum foil impregnated with the dispersion LV, impregnating for 10min, and then drying in an oven at 120 ℃ for 45 min.
(5) Repeating the step (4)11 times.
(6) Pouring the dispersion KV2 into a dipping tank, putting the aluminum foil treated in the step (5), dipping for 8min, and then putting into an oven to dry for 45min at 120 ℃.
(7) Pouring the dispersion liquid W5 into a dipping tank, putting the aluminum foil treated in the step (6), dipping for 8min, and then putting into an oven to dry for 45min at 120 ℃.
(8) Repeating the steps (6) and (7)10 times to obtain the polymer electrode foil.
(9) The conductive polymer solid sheet type aluminum electrolytic capacitor is prepared by using the polymeric electrode foil.
Example 3
(1) Pretreatment: uniformly mixing 500g of deionized water and 1200g of absolute ethyl alcohol, adding 65g of silane coupling agent KH550, magnetically stirring for 34min, pouring into a dipping tank, putting an aluminum foil to be pretreated, dipping for 11min, and then putting into an oven to dry for 2.4h at 93 ℃.
(2) Pouring the dispersion LV into a dipping tank, adding an aluminum foil treated by a surfactant, dipping for 3min, and then putting into an oven to dry for 42min at 118 ℃.
(3) Repeating the step (2)15 times.
(4) Pouring the dispersion IL into an impregnation tank, adding the aluminum foil impregnated with the dispersion LV, impregnating for 3min, and then drying in an oven at 118 ℃ for 42 min.
(5) Repeating the step (4)14 times.
(6) Pouring the dispersion KV2 into a dipping tank, putting the aluminum foil treated in the step (5), dipping for 4min, and then putting into an oven to dry for 42min at 118 ℃.
(7) Pouring the dispersion liquid W5 into a dipping tank, putting the aluminum foil treated in the step (6), dipping for 4min, and then putting into an oven to dry for 42min at 118 ℃.
(8) Repeating the steps (6) and (7) for 12 times to obtain the polymer electrode foil.
(9) The conductive polymer solid sheet type aluminum electrolytic capacitor is prepared by using the polymeric electrode foil.
Example 4
(1) Pretreatment: uniformly mixing 500g of deionized water and 1200g of absolute ethyl alcohol, adding 55g of silane coupling agent KH570, magnetically stirring for 29min, pouring into a dipping tank, putting an aluminum foil to be pretreated, dipping for 9min, and then putting into an oven to dry for 1.9h at 89 ℃.
(2) Pouring the dispersion LV into a dipping tank, adding an aluminum foil treated by a surfactant, dipping for 13min, and then putting into an oven to dry for 47min at 121 ℃.
(3) Repeating the step (2)7 times.
(4) Pouring the dispersion IL into an impregnation tank, adding the aluminum foil impregnated with the dispersion LV, impregnating for 13min, and then placing into an oven to dry for 47min at 121 ℃.
(5) And (5) repeating the step (4).
(6) Pouring the dispersion KV2 into a dipping tank, putting the aluminum foil treated in the step (5), dipping for 15min, and then putting into an oven to dry for 47min at 121 ℃.
(7) Pouring the dispersion liquid W5 into a dipping tank, putting the aluminum foil treated in the step (6), dipping for 15min, and then putting into an oven to dry for 47min at 121 ℃.
(8) Repeating the steps (6) and (7) for 3 times to obtain the polymer electrode foil.
(9) The conductive polymer solid sheet type aluminum electrolytic capacitor is prepared by using the polymeric electrode foil.
Test examples
The capacitor prepared in example 1 and example 2 was measured for the capacitor capacity, the capacitor loss tangent, the equivalent series resistance and the leakage current in the specification of 30V and 2.2 μ F, 5 capacitors in each example, by the conventional capacitor test method, and the test results are shown in table 1.
TABLE 1
Figure BDA0001454608300000101
Figure BDA0001454608300000111
As can be seen from table 1, the conductive polymer solid sheet type aluminum electrolytic capacitors produced by using the polymeric electrode foils in examples 1 and 2 have good capacity, small loss tangent, equivalent series resistance and leakage current, and the conductive polymer solid sheet type aluminum electrolytic capacitors prepared by the same process have stable performance.
In summary, the preparation method of the polymeric electrode foil provided by the embodiment of the invention has the advantages of convenient operation, excellent effect, low production cost and convenient popularization and application, and the rated voltage of the conductive polymer solid-chip aluminum electrolytic capacitor further manufactured by the prepared polymeric electrode foil is not less than 16V, and the product has good parameters and excellent performance.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (17)

1. A polymeric electrode foil is characterized by comprising an electrode foil treated by a surfactant and a dispersion polymerization layer, wherein the dispersion polymerization layer is attached to the surface of the electrode foil, the electrode foil is an aluminum foil, the dispersion polymerization layer is a plurality of layers, the dispersion polymerization layer at least comprises a dispersion LV polymerization layer, a dispersion IL polymerization layer, a dispersion KV2 polymerization layer and a dispersion W5 polymerization layer, and the dispersion LV polymerization layer, the dispersion IL polymerization layer, the dispersion KV2 polymerization layer and the dispersion W5 polymerization layer are sequentially attached to the surface of the electrode foil from inside to outside.
2. A method of preparing a polymeric electrode foil according to claim 1, comprising: polymerizing and attaching the dispersion to the surface of the electrode foil treated with the surfactant.
3. The method for producing a polymeric electrode foil according to claim 2, wherein the electrode foil treated with the surfactant is obtained by bringing the surface of the electrode foil into contact with the surfactant for reaction.
4. The method of claim 3, wherein the contact reaction is a contact reaction between the surface of the electrode foil and a solution of the surfactant.
5. The method of claim 4, wherein the electrode foil is dried after being immersed in the solution of the surfactant.
6. The method for preparing a polymeric electrode foil according to claim 5, wherein the dipping time is 5 to 15min, the drying temperature is 85 to 95 ℃, and the drying time is 1.5 to 2.5 hours.
7. The method of claim 2, wherein the electrode foil is aluminum foil and the surfactant is one or more silane coupling agents.
8. The method of claim 2, wherein the solvent of the surfactant is at least one of deionized water and an alcohol organic solvent.
9. The method of claim 8, wherein the solvent of the surfactant is a combination of deionized water and ethanol.
10. The method for preparing a polymeric electrode foil according to claim 9, wherein the mass ratio of the deionized water to the ethanol is 1: 1.5-2.5.
11. The method for producing a polymeric electrode foil according to claim 8, wherein the surfactant and the solvent are present in the solution of the surfactant in a mass percentage of 1 to 10%: 90-99%.
12. The method for producing a polymeric electrode foil according to claim 2, wherein the dispersion LV, the dispersion IL, the dispersion KV2, and the dispersion W5 are successively attached to the surface of the electrode foil treated with the surfactant by polymerization.
13. The method for producing a polymeric electrode foil according to claim 2, wherein the electrode foil treated with the surfactant is immersed and dried in the dispersion LV, then immersed and dried in the dispersion IL, then immersed and dried in the dispersion KV2, and then immersed and dried in the dispersion W5.
14. The method for preparing a polymeric electrode foil according to claim 13, wherein the impregnation of the electrode foil in the dispersion liquid LV is a cyclic impregnation, the impregnation times are 3-20 times, and each impregnation time is 2-15 min; the drying temperature after each dipping in the dispersion LV is 118-122 ℃, and the drying time is 40-50 min.
15. The method for preparing a polymeric electrode foil according to claim 13, wherein the impregnation of the electrode foil in the dispersion IL is a cyclic impregnation, the number of times of impregnation is 2 to 15, and the time for each impregnation is 2 to 15 min; the drying temperature after each dipping in the dispersion IL is 118-122 ℃, and the drying time is 40-50 min.
16. The method for preparing a polymeric electrode foil according to claim 13, wherein the electrode foil is subjected to cycle immersion in the dispersion liquid KV2 and the dispersion liquid W5 sequentially, the cycle number is 2-15, and the immersion time in each of the dispersion liquid KV2 and the dispersion liquid W5 is 2-20 min; the drying temperature after each dipping in the dispersion KV2 and the dispersion W5 is 118-122 ℃, and the drying time is 40-50 min.
17. A conductive polymer solid chip capacitor having an anode made from the polymeric electrode foil of claim 1.
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