WO2004104071A1 - 導電性高分子の製造方法と製造装置 - Google Patents
導電性高分子の製造方法と製造装置 Download PDFInfo
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- WO2004104071A1 WO2004104071A1 PCT/JP2004/006994 JP2004006994W WO2004104071A1 WO 2004104071 A1 WO2004104071 A1 WO 2004104071A1 JP 2004006994 W JP2004006994 W JP 2004006994W WO 2004104071 A1 WO2004104071 A1 WO 2004104071A1
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- conductive polymer
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- polymerization
- monomer
- oxidizing agent
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
Definitions
- the present invention relates to a method and apparatus for producing a conductive polymer useful for electronic components, solid electrolytic capacitors, and the like.
- a solid electrolytic capacitor having a low equivalent series resistance (hereinafter referred to as “ESR”), a large capacity, and a small loss is required.
- ESR equivalent series resistance
- an oxide film layer (dielectric layer) is formed on the surface, and then a solid electrolyte is formed on the surface of the oxide film layer, for example, by immersing the anode conductor in a manganese nitrate solution, pulling it up, Manganese dioxide, which can be formed by further firing, is known Finally, a cathode conductor is formed on a solid electrolyte.
- the c- capacitor element which uses a laminate of a carbon layer and an exterior silver conductive resin layer, has an anode lead terminal on the anode conductor and a cathode lead terminal on the cathode conductor for electrical connection to the outside. Connected.
- the resistance of each of the above members can affect the ESR, but the solid electrolyte has the most room to consider the resistance.
- manganese dioxide conductivity 0.1 lS / c
- a conductive polymer material having a higher conductivity than (m) For example, if polypyrrole is used, a conductivity of about 100 S / cm can be realized.
- Known monomers for composing the conductive polymer material include pyrrole, aniline, thiophene, 3,4-ethylenedioxythiophene, and the like. The method of forming the conductive polymer layer can be roughly classified into chemical oxidation polymerization and electrolytic oxidation polymerization.
- ESR also affects the contact resistance between layers.
- the conductive polymer layer is mixed with conductive polymer fine particles, and the contact resistance between the conductive polymer layer and the cathode conductor is reduced by the unevenness formed by the fine particles. It has been disclosed.
- a conductive polymer layer is formed by chemical oxidation polymerization using a polymerization solution in which conductive polymer fine particles are dispersed.
- Patent Document 2 discloses that a particulate polypyrrole having a particle size of 0.2 ⁇ or less is formed by chemical oxidative polymerization using a polymerization solution in which a mixing molar ratio of a monomer to an oxidizing agent is 1 or more. I have. If the particle size of the conductive polymer layer is suppressed, the separation of this layer is suppressed, and it is easy to draw out the capacitance that the dielectric layer has potentially.
- Patent Document 3 clarifies favorable conditions for forming a conductive polymer layer by chemical polymerization on a capacitor element equipped with an anode member with a chemical conversion coating, and has a small, large-capacity, low ESR productivity.
- a method for producing a solid electrolytic capacitor characterized by comprising a step of forming a conductive polymer layer on the chemical conversion film by leaving the film in air of about 60% or more.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2000-20032
- Patent Document 2 JP-A-8-45790
- Patent Document 3 Japanese Patent Application Laid-Open No. 10-64 761
- the present invention solves the above-mentioned conventional problems by providing a method for manufacturing a conductive polymer capable of achieving both low ESR and large capacity in a solid electrolytic capacitor, realizing low loss, and low leakage current.
- an apparatus an electronic component using a conductive polymer, and a method for manufacturing a solid electrolytic capacitor.
- the method for producing a conductive polymer according to the present invention is a method for producing a conductive polymer by reacting at least a monomer and an oxidizing agent, wherein the reaction between the monomer and the oxidizing agent is at least performed in a polymerization tank in a supersaturated steam atmosphere. It is characterized by performing in.
- the apparatus for producing a conductive polymer according to the present invention is a production apparatus for polymerizing at least a monomer and an oxidizing agent in a polymerization tank, wherein the polymerization tank in a supersaturated steam atmosphere includes at least the polymerization tank.
- FIG. 1A is a cross-sectional view illustrating an example of a conductive polymer film formed on a glass substrate in Example 1 of the present invention
- FIG. 1B is a cross-sectional view illustrating a conductive polymer film of a comparative example
- FIG. 2A is an example of an optical microscope photograph of a conductive polymer film formed on a glass substrate in Example 1 of the present invention
- FIG. 2B is an optical microscope photograph of a conductive polymer film of a comparative example.
- FIG. 3 is a diagram showing an example of a cross section of the electrolytic capacitor according to the present invention.
- FIG. 4 is a diagram showing an example of an arrangement of polymerization electrodes used for carrying out the method of the present invention.
- FIG. 5A is a plan view illustrating the adhesion state of a polymer film polymerized in a dry atmosphere of a comparative example
- FIG. 5B is a cross-sectional view of the same
- FIG. FIG. 4 is an explanatory diagram showing a ratio d ZL between a peel distance d from an anode conductor and a length L of a cross section in the anode conductor direction.
- FIG. 6A is a plan view for explaining an adhered state of a polymer film polymerized in supersaturated steam in Example 2 of the present invention
- FIG. 6B is a sectional view of the same.
- FIG. 7A is a diagram showing the relationship between the capacitance at a frequency of 120 Hz, the water vapor concentration, and the polymerization temperature in Example 2 of the present invention.
- FIG. 7B is a diagram showing the relationship between the capacitance at 100 kHz and the same at 100 kHz. It is a figure which shows the relationship between capacity
- FIG. 8A is a diagram showing the measured ESR at a frequency of 100 kHz in Example 2 of the present invention
- FIG. 8B is a diagram showing a case where a voltage of 2.5 V is applied to each solid electrolytic capacitor and 30 seconds later.
- FIG. 4 is a diagram showing a measurement of a leakage current.
- FIG. 9 is a schematic view showing one example of an apparatus for producing a conductive polymer used for carrying out the method of the present invention.
- FIG. 10 is a schematic diagram showing one example of an apparatus for producing a conductive polymer used for carrying out the method of the present invention.
- the present invention provides a chemical polymerization method in which at least a monomer and an oxidant are reacted with each other to obtain a conductive polymer, the method including a step in which the reaction between the monomer and the oxidant is performed at least in a polymerization tank in a supersaturated steam atmosphere.
- supersaturated steam The water vapor concentration in the atmosphere is desirably 5% by volume or more. This is to balance the reduction of the evaporation rate of the solvent and the increase in the temperature of the polymer. If the water vapor concentration is less than 5 vol% and less, it is preferable temperature of c supersaturated steam atmosphere tend to be difficult to achieve both is 8 5 ° C or more. Increasing the temperature speeds up the polymerization reaction, thereby increasing the yield of the polymer film and shortening the polymerization time.
- preliminary polymerization Before the reaction between the monomer and the oxidizing agent is carried out in a polymerization tank in a supersaturated steam atmosphere, preliminary polymerization may be carried out at a temperature lower than 85 ° C in advance.
- the prepolymerization has an advantage that the polymer solution penetrates into the pores by capillary action and reacts, so that the polymer film can be filled in the pores.
- the oxygen concentration in the supersaturated steam atmosphere is desirably less than 21% by volume. This makes it possible to prevent the polymer film formed in the preceding stage from being oxidized and degraded in performing repeated polymerization.
- the monomer is at least one of pyrrole, thiophene, 3,4-ethylenedioxythiophene, a-line and derivatives thereof
- the oxidizing agent is manganese oxide, iron (III) salt, copper (II) It is desirable that at least one of a salt, hydrogen peroxide, and persulfate be used, and that the monomer and the oxidizing agent be dissolved in at least a water-soluble solvent or water. Thereby, the affinity increases when water vapor adheres to the polymer, and a film-like polymer is easily obtained.
- the ratio d / L of the separation distance d from the substrate to the length L was in the range of 0 to 0.02.
- the conductive polymer film has a small warp and is flat, so that it is possible to provide a conductive polymer which is hardly peeled off from the substrate.
- the present invention provides a method for manufacturing a polymerization tank in a supersaturated steam
- the polymerization tank has a device that sends dry air and steam generated by the heat exchanger to the polymerization tank. It is also desirable that the temperature of the steam generated by the heat exchanger is higher than the temperature of the dry air. This is to reduce the variation in water vapor concentration in the polymerization tank. At this time, if the temperature of the water vapor generated by the heat exchanger is higher than the temperature of the dry air, water vapor having a large heat capacity comes into contact with the polymer, so that the temperature of the polymer can be increased quickly.
- the present invention provides an electronic component, particularly a solid electrolytic capacitor, using a conductive polymer having a flat conductive polymer film formed by the above method. Also, the present invention provides an electronic component, particularly a solid electrolytic capacitor, using a conductive polymer film in which the front and back densities of the conductive polymer film are almost equal.
- the anode conductor of a solid electrolytic capacitor facilitates the filling of conductive polymers into a porous body having many micropores, so that the reaction between the monomer and the oxidizing agent does not exceed 60 ° C (the amount of water vapor is not limited, and Atmosphere), and a method for producing a solid electrolytic capacitor including a step performed in a polymerization tank in a supersaturated steam atmosphere at 85 ° C or higher.
- a step in which the reaction between the monomer and the oxidizing agent is performed in a polymerization tank in at least a supersaturated steam atmosphere is used.
- the conductive polymer film and the method for producing the conductive polymer film, and the conductive polymer film having a small warp and flatness provide a conductive polymer that is less likely to peel off from the substrate. Further, by making the water vapor supersaturated, the oxygen concentration (oxygen partial pressure) can be reduced, and oxygen degradation of the conductive polymer can be reduced, so that a low-resistance conductive polymer can be provided. As a result, a solid electrolytic capacitor suitable for achieving both low ESR and large capacity and its manufacturing method, as well as electronic components using conductive polymer and its components Can be provided.
- the capacitor element generally has a structure in which a dielectric layer 2, a solid electrolyte 3, and a cathode conductor 4 are laminated in this order on an anode conductor 1.
- the cathode conductor 4 may have a two-layer structure including the carbon layer 5 and the exterior silver conductive resin layer 6.
- the anode conductor 1 is formed of a metal plate having a valve action, a foil, a sintered body composed of fine particles of a wire and a metal having a valve action, or, for example, a metal foil subjected to a surface enlargement process by etching.
- the metal may be tantalum, aluminum, titanium, niobium, zirconium or an alloy of these metals, preferably at least one selected from tantalum, aluminum and niobium, for example, tantalum powder and niobium foil or wire. May be used as a capacitor.
- the dielectric layer 2 is an oxide film obtained by electrolytically oxidizing the surface of the anode conductor 1, and is also formed in a hole such as a sintered body etching foil.
- the thickness of the oxide film can be adjusted by the voltage of electrolytic oxidation.
- the solid electrolyte 3 contains at least a conductive polymer layer.
- the conductive polymer layer is made of, for example, polypiol, polythiophene, polyaerin, poly-1,4-ethylenedioxythiophene, especially pyrrole, thiophene, and 3,4-ethylenedioxythiophene, and the like. It is preferable to include at least one polymer selected from derivatives of the following.
- the conductive high molecular layer is composed of monomers such as pyrrole, dopants such as alkylnaphthalenesulfonic acid, manganese dioxide, iron (III) sulfate, copper (II) sulfate, sodium persulfate, ammonium persulfate, hydrogen peroxide water, etc. It can be formed by chemical oxidative polymerization using an oxidizing agent and. Along with chemical oxidative polymerization, it may be formed by electrolytic oxidative polymerization described later in detail.
- the solid electrolyte 3 includes, for example, an oxide conductor such as ruthenium oxide, Organic semiconductors such as TCNQ complexes (7,7,8,8-tetracyanoquinodimethane complex salts) may be included.
- oxide conductor such as ruthenium oxide
- Organic semiconductors such as TCNQ complexes (7,7,8,8-tetracyanoquinodimethane complex salts) may be included.
- the cathode conductor 4 may be, for example, a laminate including a carbon layer 5 and an exterior silver conductive resin layer 6.
- the carbon layer 5 contains carbon particles as conductive particles, and the carbon particles keep the electrical connection between the silver powder contained in the conductive resin layer 6 and the solid electrolyte layer 3 tight.
- the capacitor element has an anode lead terminal connected to the anode conductor 1 and a cathode lead terminal connected to the cathode conductor 4, and is further sealed in, for example, an exterior resin such as an epoxy resin. It becomes an electrolytic capacitor.
- FIG. 4 shows various arrangement examples of the polymerization electrode in the electrolytic oxidation polymerization.
- the electrolytic oxidative polymerization is based on the film-forming matrix (anode conductor 1 provided with conductivity in advance), the anode for polymerization (positive electrode) 7 and the cathode for polymerization.
- (Negative electrode) 8 is immersed in the polymerization solution 9 for the treatment.
- the positive electrode 7 and the negative electrode 8 are connected to a power supply 12.
- the anode 7 is fixed in the vicinity of the film-forming mother body 1.
- it is preferable that the anode 7 and the cathode 8 are arranged so that at least a part of the film forming base 10 is interposed between the electrodes 7 and 8.
- FIG. 1 shows a schematic sectional view at that time.
- a conductive polymer 10 was formed.
- Poly-1,3-ethylenedioxythiophene was formed as a conductive polymer.
- a polymerization solution was prepared by mixing 2 g of 3,4-ethylenedioxythiophene, 44 g of a 40% by weight ethanolic solution of iron (III) alkylnaphthalenesulfonate, and 20 g of water.
- This polymerization solution was applied on a glass substrate and dried at room temperature for 5 minutes, then at 150 ° C for 20 minutes, with a water vapor content of 70% by volume (shown in Fig. 1A) and a dry atmosphere of 0% by volume (Fig. The polymerization was carried out in an atmosphere of 1B). Subsequently, washing with ethanol, washing in a 0.5% aqueous solution of citric acid at 85 ° C, and washing with a hot water shower at 90 ° C were performed to forcibly remove the conductive polymer film from the glass substrate. It was dried at 105 ° C for 10 minutes.
- the optical micrographs are shown in FIGS. 2A and 2B.
- Fig. 2A shows the case of 70% by volume of water vapor
- Fig. 2B shows the case of a dry atmosphere, that is, the case of 0% by volume of water vapor (below the detection limit with a Yokogawa Electric humidity sensor).
- the supersaturated steam atmosphere in the polymerization tank was obtained by introducing a dry air and steam obtained by evaporating water with a heat exchanger into the polymerization tank as shown in the schematic diagram of FIG.
- a dry air and steam obtained by evaporating water with a heat exchanger into the polymerization tank as shown in the schematic diagram of FIG.
- the steam having a large heat capacity comes into contact with the polymer, so that the temperature of the polymer can be increased quickly.
- dry air and steam may be mixed in advance and then introduced into the polymerization tank. This is to reduce the variation in water vapor concentration in the polymerization tank.
- the temperature of the steam generated by the heat exchanger is higher than the temperature of the dry air, steam having a large heat capacity comes into contact with the polymer, so that the temperature of the polymer can be increased quickly.
- a fine powder having a specific surface area of lOOOOF'V / g of tantalum metal having a valve action is formed into 0.3 mmX 3.0 mmX3.8 mm, and vacuum-fired with a tantalum wire lead for drawing out the anode. Then, an anode conductor made of a sintered pellet was produced. Next, the anode conductor was formed in a 5% by weight phosphoric acid aqueous solution at 90 ° C. under an applied voltage of 7.5 V to form a tantalum oxide film as a dielectric layer on the surface of the anode conductor.
- the polymerization solution that was subjected to chemical oxidation polymerization was 1.8 g of 3,4-ethylenedioxythiophene, 40% by weight of iron (III) alkyl naphthalenesulfonate was prepared by mixing 44 g of an ethanol solution of the above with 30 g of water. The anode conductor was immersed in this polymerization solution and polymerized for 10 minutes in the air at 40 ° C.
- the water vapor concentration was 70% by volume, 40% by volume, 10% by volume, 5% by volume, and 0% by volume.
- Chemical oxidative polymerization was performed by repeating the operation of polymerizing four types of seeds and temperatures of 85 ° C, 105 ° C, 155 ° C, and 205 ° C six times. Subsequently, the dielectric layer was repaired at a re-formation voltage of 7.5 V in an acetic acid solution having a concentration of about 0.1% to repair the dielectric layer. Further, the anode conductor was washed in pure water at about 90 ° C and dried in an atmosphere at about 120 ° C. Fig.
- FIG. 5A-C shows a schematic diagram of the plane and cross section of a device with 155 ° C, moisture content: 0% by volume (comparative example), and Fig. 6A-B shows a device with 155 ° C, moisture content: 70% by volume. .
- peeling of the conductive polymer film was not observed.
- the anode conductor on which the dielectric layer and the conductive polymer film formed by chemical oxidation polymerization were formed as the base for forming the film for electrolytic oxidation polymerization. Got a body.
- the arrangement of electrodes for electrolytic oxidation polymerization was as shown in FIG.
- a nickel wire having a wire diameter of 200 / m was fixed in the vicinity of the film-forming base as a positive electrode, and immersed in a polymerization solution together with a cathode.
- the polymerization solution was prepared by mixing 100 g of a 40% by weight aqueous solution of sodium alkylnaphthalenesulfonate, 100 g of 3,4-ethylenedioxythiophene, 500 g of water, and a predetermined amount of sulfuric acid. .
- sulfuric acid was added so that the pH became a predetermined value of 7.
- the electrolytic oxidation polymerization was performed at an applied voltage of 2.5 V.
- the polymerization time was adjusted so that the thickness of the conductive polymer layer on the surface layer of the film-forming matrix was about 20 ⁇ .
- the anode conductor on which the conductive polymer layer was formed was immersed in an aqueous suspension liquid containing carbon fine particles, and left in an atmosphere at 130 ° C for 30 minutes to dry and solidify the suspension liquid. .
- a carbon layer was formed on the conductive polymer layer.
- the silver paint was immersed in a silver paint solution, left at room temperature for 1 hour, pulled up, and allowed to stand in an atmosphere at 144 ° C. for 1 hour to dry and solidify the silver paint solution.
- an exterior silver conductive resin layer was formed on the carbon layer.
- a cathode lead terminal was connected to a cathode conductor composed of a carbon layer and an exterior silver conductive resin layer with a silver conductive adhesive, and a tantalum wire pulled out of the anode conductor was welded to the anode lead terminal.
- the capacitor element was packaged with epoxy resin to complete the solid electrolytic capacitor.
- the first conductive polymer layer (chemically When the interface between the first conductive polymer layer and the second conductive polymer layer (electrolytic oxidation polymer layer) was taken out and observed under a microscope, the separation distance of the cross section of the first conductive polymer layer 1 from the anode conductor 10 was determined.
- the ratio dZL (FIG. 5C) between d and the length L of the cross section in the direction of the anode conductor was approximately 0.02 or less in the present example and 0.03 or more in the comparative example.
- a fine powder having a specific surface area of 100,000 / F'VZg of tantalum metal having a valve action is formed into 0.3 mm X 3.0 mm X 3.8 mm, and a vacuum is provided with a tantalum wire lead for drawing out the anode.
- an anode conductor composed of a sintered pellet was produced.
- the anode conductor was formed in a 5% by weight phosphoric acid aqueous solution at 90 ° C. under an applied voltage of 7.5 V to form a tantalum oxide film as a dielectric layer on the surface of the anode conductor.
- the polymerization solution that was subjected to chemical oxidation polymerization was 1.8 g of 3,4-ethylenedioxythiophene, 40% by weight of iron (III) alkyl naphthalenesulfonate 44 g of ethanol solution of It was prepared by mixing 30 g of water. The anode conductor was immersed in this polymerization solution, and polymerized in the air at 60 ° C for 10 minutes.
- sample 1 preparation conditions two types of water vapor concentrations of 70% by volume
- 0% by volume sample 2 preparation conditions
- Polymerization was carried out at a temperature of 155 ° C, followed by re-formation in an acetic acid solution with a concentration of about 0.1% at a re-formation voltage of 6 V, and the work of repairing the dielectric layer was repeated 20 times.
- Solid electrolytic capacitors (Sample 1, Sample 2) were fabricated by chemical oxidation polymerization.
- the anode conductor on which the conductive polymer layer was formed was immersed in an aqueous suspension liquid containing carbon fine particles, and allowed to stand in an atmosphere at 130 ° C. for 30 minutes to dry and solidify the suspension liquid. .
- a carbon layer was formed on the conductive polymer layer.
- it was immersed in a silver paint solution, allowed to stand at room temperature for 1 hour, pulled up, and allowed to stand in an atmosphere at 144 ° C. for 1 hour, to dry and solidify the silver paint solution.
- an exterior silver conductive resin layer was formed on the carbon layer.
- a cathode lead terminal was connected to a cathode conductor composed of a carbon layer and an exterior silver conductive resin layer with a silver conductive adhesive, and a tantalum wire pulled out of the anode conductor was welded to the anode lead terminal.
- the capacitor element was packaged with epoxy resin to complete the solid electrolytic capacitor.
- Fig. 7 shows the results.
- the upper row shows the minimum and maximum values for 20 samples, and the lower row shows the average value.
- An electronic component which is a conductive polymer film obtained by any of the methods described in the text, wherein a flat conductive polymer film is used.
- the electronic component includes: an anode conductor made of a valve metal; a dielectric layer formed on the surface of the anode conductor; and a solid electrolyte formed on the surface of the dielectric layer and containing at least a conductive polymer layer.
- the electronic component according to the above item 1 or 2, which is a solid electrolytic capacitor including:
- Solid electrolyte comprising: an anode conductor made of a valve metal; a dielectric layer formed on the surface of the anode conductor; and a solid electrolyte formed on the surface of the dielectric layer and containing at least a conductive polymer layer.
- the method of manufacturing a capacitor wherein The solid conductor is characterized by being manufactured by a process in which the reaction between the monomer and the oxidizing agent is carried out at a temperature of 60 ° C or less and a process carried out in a polymerization tank in a supersaturated steam atmosphere of 85 ° C or more. Manufacturing method of capacitor.
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Abstract
Description
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/541,484 US7459519B2 (en) | 2003-05-22 | 2004-05-17 | Method for manufacturing electrically conductive macromolecules and solid state electrolytic capacitor using electrically conductive macromolecules |
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| JP2003-145347 | 2003-05-22 | ||
| JP2003145347 | 2003-05-22 |
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| US (1) | US7459519B2 (ja) |
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| KR101356238B1 (ko) * | 2007-03-26 | 2014-01-28 | 삼성전자주식회사 | Uv 패터닝 가능한 전도성 고분자 필름의 제조방법 및이에 의해 제조되는 전도성 고분자 필름 |
| CN104349585B (zh) * | 2013-08-01 | 2018-05-15 | 宏启胜精密电子(秦皇岛)有限公司 | 电路板及其制作方法 |
| US9752001B2 (en) * | 2013-12-02 | 2017-09-05 | Dexerials Corporation | Ion conductive film, polymer element, electronic device, camera module, and imaging device |
| US10497968B2 (en) | 2016-01-04 | 2019-12-03 | Global Graphene Group, Inc. | Solid state electrolyte for lithium secondary battery |
| US10084220B2 (en) | 2016-12-12 | 2018-09-25 | Nanotek Instruments, Inc. | Hybrid solid state electrolyte for lithium secondary battery |
| WO2019194092A1 (ja) * | 2018-04-02 | 2019-10-10 | 日本ケミコン株式会社 | 電解コンデンサ |
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| JP2778477B2 (ja) | 1994-08-02 | 1998-07-23 | 日本電気株式会社 | 固体電解コンデンサおよびその製造方法 |
| JP3296727B2 (ja) | 1996-08-22 | 2002-07-02 | 三洋電機株式会社 | 固体電解コンデンサの製造方法 |
| US6168639B1 (en) * | 1997-10-09 | 2001-01-02 | Sanyo Electric Co., Ltd. | Solid electrolyte capacitor, and process and apparatus for producing same |
| JP3478987B2 (ja) | 1999-02-10 | 2003-12-15 | 松下電器産業株式会社 | 固体電解コンデンサの製造方法 |
| CN1244173C (zh) * | 1999-09-16 | 2006-03-01 | 松下电器产业株式会社 | 电化学电容器 |
-
2004
- 2004-05-17 CN CNB2004800015834A patent/CN100335529C/zh not_active Expired - Fee Related
- 2004-05-17 US US10/541,484 patent/US7459519B2/en not_active Expired - Lifetime
- 2004-05-17 WO PCT/JP2004/006994 patent/WO2004104071A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6320361A (ja) * | 1986-07-11 | 1988-01-28 | Hoechst Gosei Kk | 導電性高分子成形体の製造方法 |
| JPS63256617A (ja) * | 1987-04-14 | 1988-10-24 | Toppan Printing Co Ltd | 導電性重合体の製造方法 |
| JPH1053650A (ja) * | 1996-08-08 | 1998-02-24 | Polymertech Kk | 高分子の製造方法 |
| JP2000256574A (ja) * | 1999-03-05 | 2000-09-19 | Sharp Corp | 親水性粒子の製造方法 |
| JP2001155975A (ja) * | 1999-09-16 | 2001-06-08 | Matsushita Electric Ind Co Ltd | 電気化学キャパシタ |
| JP2001296700A (ja) * | 2001-03-19 | 2001-10-26 | Canon Inc | トナー粒子の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7459519B2 (en) | 2008-12-02 |
| CN100335529C (zh) | 2007-09-05 |
| US20060084768A1 (en) | 2006-04-20 |
| CN1717435A (zh) | 2006-01-04 |
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