Electrolytic Or Barrier Layer Type Patents (Class 427/80)
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Publication number: 20140127566Abstract: Irreversible capacity which causes a decrease in the charge and discharge capacity of a power storage device is reduced, and electrochemical decomposition of an electrolyte solution and the like on a surface of an electrode is inhibited. Further, the cycle characteristics of the power storage device is improved by reducing or inhibiting a decomposition reaction of the electrolyte solution and the like occurring as a side reaction in repeated charging and discharging of the power storage device. A power storage device electrode includes a current collector and an active material layer that is over the current collector and includes a binder and an active material. A coating film is provided on at least part of a surface of the active material. The coating film is spongy.Type: ApplicationFiled: October 23, 2013Publication date: May 8, 2014Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Kazutaka Kuriki, Kai Kimura, Nobuhiro Inoue, Ryota Tajima, Tamae Moriwaka, Kiyofumi Ogino
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Publication number: 20140127567Abstract: To improve the long-term cycle performance of a lithium-ion battery or a lithium-ion capacitor by minimizing the decomposition reaction of an electrolytic solution and the like as a side reaction of charge and discharge in the repeated charge and discharge cycles of the lithium-ion battery or the lithium-ion capacitor. A current collector and an active material layer over the current collector are included in an electrode for a power storage device. The active material layer includes a plurality of active material particles and silicon oxide. The surface of one of the active material particles has a region that is in contact with one of the other active material particles. The surface of the active material particle except the region is partly or entirely covered with the silicon oxide.Type: ApplicationFiled: November 1, 2013Publication date: May 8, 2014Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Kazutaka KURIKI, Ryota Tajima, Nobuhiro Inoue, Junpei Momo
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Publication number: 20140118884Abstract: An embodiment provides a manufacturing method for a porous carbon material including: preparing a first solution including a surfactant, a carbon source material and a solvent; pouring the first solution into a silica sol aqueous solution to form a second solution; preparing a silicate aqueous solution; pouring the silicate aqueous solution into the second solution to form a third solution and to precipitate out an intermediate, wherein the intermediate includes the surfactant, the carbon source material and a silica template; performing a heating process on the intermediate to carbonize the intermediate; and removing the silica template of the carbonized intermediate to form a porous carbon material. Another embodiment of the disclosure provides a porous carbon material. The other embodiment provides a supercapacitor.Type: ApplicationFiled: December 27, 2012Publication date: May 1, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventor: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
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Patent number: 8691327Abstract: Provided is a method of manufacturing a solid electrolytic capacitor, including the steps of: forming a capacitor element including an anode body having a dielectric coating film on a surface thereof; impregnating the capacitor element with a polymerization liquid containing a precursor monomer of a conductive polymer and an oxidant; impregnating the capacitor element impregnated with the polymerization liquid with a silane compound or a silane compound containing solution; and forming a conductive polymer layer by polymerizing the precursor monomer after impregnating the capacitor element with the silane compound or the silane compound containing solution.Type: GrantFiled: March 15, 2013Date of Patent: April 8, 2014Assignees: SANYO ELECTRIC Co., Ltd., SAGA SANYO INDUSTRIES Co., LtdInventors: Takeshi Furukawa, Yuichiro Inutsuka
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Publication number: 20140092529Abstract: Provided are an electroconductive polymer solution in which the carbon material has excellent dispersibility, an electroconductive polymer material which has a high electroconductivity and which can be produced by a simple method, and a solid electrolytic capacitor and a method for producing the same which has a low ESR without increasing a leakage current. An electroconductive polymer solution according to an exemplary embodiment of the invention contains an electroconductive polymer, a polysulfonic acid or a salt thereof which functions as a dopant to the electroconductive polymer, a mixture of a polyacid and a carbon material, and a solvent.Type: ApplicationFiled: February 27, 2012Publication date: April 3, 2014Applicant: NEC TOKIN CORPORATIONInventors: Tomoki Nobuta, Yasuhisa Sugawara, Yuji Yoshida, Satoshi Suzuki, Yasuhiro Tomioka
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Patent number: 8684576Abstract: The present invention provides a solid electrolytic capacitor having a low ESR, excellent heat resistance, and reliability used under a high temperature condition. On the dielectric layer of the capacitor element, 2-alkyl-2,3-dihydro-thieno[3,4-b][1,4]dioxine monomer is subject to oxidation polymerization to provide a first conductive polymer layer. Then, 2,3-dihydro-thieno[3,4-b][1,4]dioxine or a monomer mixture of 2,3-dihydro-thieno[3,4-b][1,4]dioxine and 2-alkyl-2,3-dihydro-thieno[3,4-b][1,4]dioxine is subject to oxidation polymerization to provide a second conductive polymer layer. The formation of the first conductive polymer layer and the second conductive polymer layer is alternatively repeated. The first conductive polymer and the second conductive polymer serve as a solid electrolyte to provide a solid electrolytic.Type: GrantFiled: November 22, 2010Date of Patent: April 1, 2014Assignee: Tayca CorporationInventors: Ryosuke Sugihara, Yuhei Tsurumoto, Kazuto Fujihara
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Publication number: 20140079875Abstract: A solid electrolytic capacitor according to an aspect of the present invention includes an anode conductor including a porous valve metal body, a dielectric layer formed on a surface of the anode conductor, and a solid electrolyte layer including a conductive polymer layer formed on a surface of the dielectric layer, in which the solid electrolyte layer includes a first solid electrolyte layer formed on a surface of the dielectric layer, and a second solid electrolyte layer formed on a surface of the first solid electrolyte layer, and at least one continuous or discontinuous layer containing an amine compound exists between the first and second solid electrolyte layers, and inside the second solid electrolyte layer.Type: ApplicationFiled: November 19, 2013Publication date: March 20, 2014Applicant: NEC TOKIN CORPORATIONInventors: Masanori TAKAHASHI, Satoshi IWAI, Masami ISHIJIMA
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Publication number: 20140080283Abstract: A method of forming a semiconductor structure. The method comprises forming a high-k dielectric material, forming a continuous interfacial material over the high-k dielectric material, and forming a conductive material over the continuous interfacial material. Additional methods and semiconductor structures are also disclosed.Type: ApplicationFiled: September 19, 2012Publication date: March 20, 2014Applicant: MICRON TECHNOLOGY, INC.Inventors: Zhe Song, Jennifer K. Sigman
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Publication number: 20140072833Abstract: Electrodes, which may be composite capacitor electrodes, include carbon fibers, illustratively chopped carbon fibers having an aspect ratio of from about 100-5000, have been treated with a non-ionic surfactant, specifically the polyoxyethyleneglycol octophenyl ether, Triton X-100, to increase the hydrophilicity of the fibers. The capacitive electrodes prepared with the surface-modified carbon fibers exhibit increased charge acceptance.Type: ApplicationFiled: March 27, 2013Publication date: March 13, 2014Applicant: Johnson Controls Technology CompanyInventors: Kavi G. Loganathan, Junwei Jiang, Perry M. Wyatt, Deepan Chakkaravarthi Bose, Scott D. Gerner
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Publication number: 20140055912Abstract: A solid electrolyte capacitor in which a valve-acting metal substrate with a dielectric oxide film formed on the surface of an anode body is immersed alternately in a monomer solution and an oxidant solution to form a first conductive polymer layer on the surface of the dielectric oxide film. Thereafter, the capacitor element with the first conductive polymer layer is immersed in a soluble conductive polymer solution or a conductive polymer suspension to form a second conductive polymer layer that varies little in film thickness. Then, a cathode layer is formed on the conductive polymer layer.Type: ApplicationFiled: July 30, 2013Publication date: February 27, 2014Applicant: Murata Manufacturing Co., Ltd.Inventors: Tomoaki Onoue, Hiroshi Tokuhara
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Publication number: 20140036416Abstract: An electrode foil including a substrate made of metal material, a first layer made of metal oxide and formed on the substrate, a second layer made of TiNxOy (x>y>0) and formed on the first layer, and a third layer made of TiNxOy (0<x<y) and formed on the second layer.Type: ApplicationFiled: May 14, 2012Publication date: February 6, 2014Applicant: PANASONIC CORPORATIONInventors: Hitoshi Ishimoto, Masashi Shoji, Hiroki Kamiguchi
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Publication number: 20140029161Abstract: Disclosed herein are methods of manufacturing micro-super capacitors from C-MEMS structures.Type: ApplicationFiled: April 6, 2012Publication date: January 30, 2014Applicant: THE FLORIDA INTERNATIONAL UNIVERSITY BOARD OF TRUSTEESInventors: Majid Beidaghi, Chunlei Wang, Wei Chen
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Publication number: 20140029164Abstract: The electrode structure includes: a textile-type conductive substrate; a first layer which is disposed on the textile-type conductive substrate and includes a plurality of one-dimensional nanostructures; and a second layer which is formed on the first layer and includes a graphene material.Type: ApplicationFiled: July 30, 2013Publication date: January 30, 2014Applicants: Sungkyunkwan University Foundation For Corporate Collaboration, Sumsung Electronics Co., Ltd.Inventors: Jong-jin PARK, Ji-hyun BAE, Dae-joon KANG
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Publication number: 20140022706Abstract: An electric conductive polymer aqueous suspension is prepared by dispersing an electric conductive polymer powder whose surface is doped with a polyacid in which the number of anion groups is 50% or more and 99% or less with respect to the number of repeating units of the polyacid. By using the electric conductive polymer aqueous suspension, an organic material excellent in adhesiveness to a substrate and humidity resistance, and high in conductivity, as well as a solid electrolytic capacitor low in ESR and excellent in reliability in a high humidity atmosphere, and a method for producing the same can be provided.Type: ApplicationFiled: April 9, 2012Publication date: January 23, 2014Inventors: Yasuhisa Sugawara, Tomoki Nobuta, Yuji Yoshida, Satoshi Suzuki, Yasuhiro Tomioka
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Publication number: 20140010995Abstract: A touch sensitive coating is described. The coating includes a polymer bilayer having a cavity separating the bilayer. The cavity is spanned by a plurality of compartments. A dilatant fluid at least partially fills one or more compartments within the plurality of compartments.Type: ApplicationFiled: July 5, 2012Publication date: January 9, 2014Applicant: EMPIRE TECHNOLOGY DEVELOPMENT LLCInventor: Vincenzo Casasanta, III
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Publication number: 20140002956Abstract: An electrochemical capacitor, and a method of making the electrochemical capacitor, utilizing a non-spontaneous polarization dielectric material is disclosed. The use of a non-spontaneous polarization dielectric material increases the working or operating voltage and energy density of electrochemical capacitors.Type: ApplicationFiled: June 28, 2012Publication date: January 2, 2014Applicant: GENERAL ELECTRIC COMPANYInventor: Daniel Qi TAN
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Publication number: 20130344233Abstract: A process for preparing a solid state electrolyte used in an electrochemical capacitor includes the steps of: (a) preparing a mixture of a water-retaining clay-based mineral component and a film-forming hydroxyl-containing polymer component; (b) subjecting the mixture to a crosslinking reaction so as to form a polymer matrix membrane including a polymer matrix and an ion-permeable film; and (c) treating the polymer matrix membrane with an aqueous solution which includes a plurality of positive and negative ions so as to permit the positive and negative ions to permeate the ion-permeable film to be retained in the polymer matrix, thereby forming the solid state electrolyte.Type: ApplicationFiled: February 22, 2013Publication date: December 26, 2013Applicant: National Kaohsiung University of Applied SciencesInventor: National Kaohsiung University of Applied Sciences
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Publication number: 20130337154Abstract: A manufacturing method of an anode foil for an aluminum electrolytic capacitor is provided, which comprises a first step of forming a porous oxide film, i.e. subjecting an etched foil having etched holes thereon to an anodic oxidation process to form a porous oxide film on both the outer surface of the etched foil and the inner surface of etched holes, and a second step of forming a dense oxide film, i.e. converting the porous oxide film into the dense oxide film. The method can be used to manufacture an anode foil for various voltage ranges, e.g. an ultra-high voltage anode foil whose voltage is more than 800 vf, and the method can increase specific capacity, reduce power consumption, simplify the process, and increase production efficiency.Type: ApplicationFiled: December 30, 2010Publication date: December 19, 2013Applicant: Xinjiang Joinworld Co., Ltd.Inventors: Tao Hong, Xiaohong Dong, Landong Wang
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Patent number: 8603195Abstract: Methods and apparatus for forming energy storage devices are provided. In one embodiment a method of producing an energy storage device is provided. The method comprises positioning an anodic current collector into a processing region, depositing one or more three-dimensional electrodes separated by a finite distance on a surface of the anodic current collector such that portions of the surface of the anodic current collector remain exposed, depositing a conformal polymeric layer over the anodic current collector and the one or more three-dimensional electrodes using iCVD techniques comprising flowing a gaseous monomer into the processing region, flowing a gaseous initiator into the processing region through a heated filament to form a reactive gas mixture of the gaseous monomer and the gaseous initiator, wherein the heated filament is heated to a temperature between about 300° C. and about 600° C., and depositing a conformal layer of cathodic material over the conformal polymeric layer.Type: GrantFiled: August 18, 2010Date of Patent: December 10, 2013Assignee: Applied Materials, Inc.Inventors: Victor L. Pushparaj, Pravin K. Narwankar, Omkaram Nalamasu
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Publication number: 20130295389Abstract: The present invention relates to a process for the production of a layer composition (10) with an electrically conductive layer (11), comprising the process steps: a) provision of a substrate (12) with a substrate surface (13); b) formation of a polymer layer (14) comprising an electrically conductive polymer (15) on at least a part of the substrate surface (13); c) application of a liquid stabilizer phase, comprising a stabilizer and a liquid phase, to the polymer layer (14) from process step b), wherein the stabilizer phase comprises less than 0.2 wt. %, based on the stabilizer phase, of the electrically conductive polymer, wherein the stabilizer is an aromatic compound with at least two OH groups, and a layer composition (10) and uses thereof.Type: ApplicationFiled: September 30, 2011Publication date: November 7, 2013Applicant: Herarus Precious Metals GmbH & Co. KGInventors: Akio Ishikawa, Udo Merker, Klaus Wussow, Katrin Asteman
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Patent number: 8574534Abstract: The invention is directed to a method for producing a film of porous carbon, the method comprising carbonizing a film of an ionic liquid, wherein the ionic liquid has the general formula (X+a)x(Y?b)y, wherein the variables a and b are, independently, non-zero integers, and the subscript variables x and y are, independently, non-zero integers, such that a·x=b·y, and at least one of X+ and Y? possesses at least one carbon-nitrogen unsaturated bond. The invention is also directed to a composition comprising a porous carbon film possessing a nitrogen content of at least 10 atom %.Type: GrantFiled: March 18, 2010Date of Patent: November 5, 2013Assignee: UT-Battelle, LLCInventors: Sheng Dai, Huimin Luo, Je Seung Lee
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Publication number: 20130266877Abstract: An apparatus including a substrate and an active material, the substrate including an open interconnected wall structure of electrically conductive material having one or more pores, the open interconnected wall structure providing the substrate upon which the active material is supported, wherein the active material includes an electrically insulating lithium-based compound configured for use in generating and/or storing electrons, and wherein the open interconnected wall structure is configured to act as a charge collector for the generated and/or stored electrons through which an electrical path for the electrons is provided.Type: ApplicationFiled: April 4, 2012Publication date: October 10, 2013Inventors: Teuvo Tapani RYHANEN, Di Wei, Peter Andrew Matthews, Piers Andrew
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Publication number: 20130251891Abstract: A capacitor with an anode, a dielectric on the anode and a cathode on the dielectric. A blocking layer is on the cathode. A metal filled layer is on said blocking layer and a plated layer is on the metal filled layer.Type: ApplicationFiled: April 16, 2013Publication date: September 26, 2013Applicant: Kemet Electronics CorporationInventors: Antony P. Chacko, Randolph S. Hahn
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Publication number: 20130236636Abstract: The present invention provides an electroconductive polymer solution in which the good dispersibility is maintained and the pH is arbitrarily adjusted, and an electroconductive polymer composition having an excellent heat resistance. Further, the present invention provides a solid electrolytic capacitor having an excellent reliability. The present invention is an electroconductive polymer solution, containing an electroconductive polymer in which a dopant is doped, a first compound having an amino group and a hydroxyl group, a second compound having a carboxylic acid group, and a dispersing medium.Type: ApplicationFiled: February 27, 2013Publication date: September 12, 2013Applicant: NEC TOKIN CorporationInventors: Tomoki NOBUTA, Yasuhisa SUGAWARA, Satoshi SUZUKI, Yasuhiro TOMIOKA
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Publication number: 20130229750Abstract: The present invention provides an electroconductive polymer composition for a solid electrolytic capacitor which has a high electroconductivity and an excellent heat resistance. Also, the present invention provides a solid electrolytic capacitor having a low ESR and an excellent heat resistance. The present invention is an electroconductive polymer composition, obtained by removing a solvent or a dispersing medium from an electroconductive polymer solution comprising: an electroconductive polymer in which a dopant is doped; an oxazoline group-containing compound; a water-soluble compound having at least one or more of carboxyl group, aromatic phenol group and thiol group as a functional group; and a solvent or a dispersing medium.Type: ApplicationFiled: February 20, 2013Publication date: September 5, 2013Applicant: NEC TOKIN CorporationInventors: Tomoki NOBUTA, Yasuhisa SUGAWARA, Satoshi SUZUKI, Yasuhiro TOMIOKA
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Publication number: 20130221089Abstract: The invention describes and information carrier comprising an electrically non-conductive substrate to which an electrolyte is applied to certain regions.Type: ApplicationFiled: September 20, 2011Publication date: August 29, 2013Applicant: PRINTECHNOLOGICS GMBHInventor: Andre Kreutzer
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Publication number: 20130222978Abstract: The present invention provides an electroconductive polymer suspension solution and an electroconductive polymer material which has a high electroconductivity and in which the time-related deterioration of the electroconductivity is suppressed. Also, the present invention provides an electrolytic capacitor with a low ESR using the electroconductive polymer material as a solid electrolyte and a method for producing the same. In the present invention, electroconductive polymer particles 1 in the electroconductive polymer material are bonded via organic dispersant 2 and cross-linker 3 to obtain a strong bond between electroconductive polymer particles 1.Type: ApplicationFiled: February 22, 2013Publication date: August 29, 2013Applicant: NEC TOKIN CorporationInventor: NEC TOKIN Corporation
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Publication number: 20130217289Abstract: A one-dimensional super capacitor thread has thin conductive wire electrode. An active layer of silicon nanoparticles and polyaniline surrounds the electrode. An electrolyte layer surrounds the active layer. The electrolyte layer can be a layer of polyvinyl alcohol (PVA). A super capacitor can be formed with two or more of the threads, such as in a twisted pair configuration. The dimensions of the super capacitor can approximate standard threads used in clothing, for example.Type: ApplicationFiled: September 12, 2012Publication date: August 22, 2013Applicant: NanoSi Advanced Technologies, Inc.Inventors: Munir H. Nayfeh, Sui-Tung Yau, Ammar M. Nayfeh
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Publication number: 20130202783Abstract: Provided is a method of manufacturing a solid electrolytic capacitor, including the steps of: forming a capacitor element including an anode body having a dielectric coating film on a surface thereof; impregnating the capacitor element with a polymerization liquid containing a precursor monomer of a conductive polymer and an oxidant; impregnating the capacitor element impregnated with the polymerization liquid with a silane compound or a silane compound containing solution; and forming a conductive polymer layer by polymerizing the precursor monomer after impregnating the capacitor element with the silane compound or the silane compound containing solution.Type: ApplicationFiled: March 15, 2013Publication date: August 8, 2013Applicants: SAGA SANYO INDUSTRIES CO., LTD., SANYO ELECTRIC CO., LTD.Inventors: SANYO Electric Co., Ltd., SAGA SANYO INDUSTRIES CO., LTD.
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Publication number: 20130202784Abstract: A method of manufacturing a solid electrolytic capacitor having an even conductive polymer layer includes the steps of forming a conductive polymer layer on an anode element by bringing a dispersion containing a conductive solid and a first solvent into contact with the anode element having a dielectric film formed thereon, washing the anode element with a second solvent higher in boiling point than the first solvent, in which the conductive solid can be dispersed, after the conductive polymer layer is formed, and drying the anode element washed with the second solvent at a temperature not lower than the boiling point of the first solvent and lower than the boiling point of the second solvent.Type: ApplicationFiled: March 15, 2013Publication date: August 8, 2013Applicants: SAGA SANYO INDUSTRIES CO., LTD., SANYO ELECTRIC CO., LTD.Inventors: SANYO ELECTRIC CO., LTD., SAGA SANYO INDUSTRIES CO., LTD.
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Publication number: 20130194717Abstract: A dielectric ceramic enabling low-temperature firing and exhibiting good dielectric characteristics, and a stack ceramic electronic component using the same are provided. The dielectric ceramic containing (Ba1-x-yCaxSry)m(Ti1-zZrz)O3 (1.005?m?1.2, 0?x+y?0.2, and 0?z?0.2) as a major component and an amount of Bi relative to 100 parts by mol of the major component which is 1.0 part by mol or more and 40 parts by mol or less.Type: ApplicationFiled: March 14, 2013Publication date: August 1, 2013Applicant: MURATA MANUFACTURING CO., LTD.Inventor: MURATA MANUFACTURING CO., LTD.
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Publication number: 20130188295Abstract: A improved process for preparing a conductive polymer dispersion is provided as is an improved method for making capacitors using the conductive polymer. The process includes providing a monomer solution and shearing the monomer solution with a rotor-stator mixing system comprising a perforated stator screen having perforations thereby forming droplets of said monomer. The droplets of monomer are then polymerized during shearing to form the conductive polymer dispersion.Type: ApplicationFiled: January 25, 2013Publication date: July 25, 2013Applicant: KEMET ELECTRONICS CORPORATIONInventor: Kemet Electronics Corporation
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Publication number: 20130182373Abstract: The present invention relates to a film-type micro-supercapacitor and a manufacturing method thereof including a method for manufacturing an electrode film by using graphene or graphene oxide, a method for forming a two-dimensional electrode by separating a graphene or graphene oxide electrode film into two independent electrodes through patterning, a method for forming an in-plane structure of the two-dimensional electrode, a method for forming a current collector on an electrode, and a method for manufacturing a supercapacitor with a micrometer thickness by supplying an electrolyte to the two-dimensional electrode. The film-type micro-supercapacitor can efficiently replace or support the battery in the field of very small electronic devices such as microelectromechanical systems (MEMS), paper-like displays, or smartcards requiring a very small power supply.Type: ApplicationFiled: September 12, 2012Publication date: July 18, 2013Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jin Yu, Jung Joon Yoo
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Publication number: 20130177701Abstract: A capacitor manufacturing method that enables a capacitor having a high withstand voltage, a high electrostatic capacitance and a satisfactorily small ESR to be manufactured simply and at a high level of productivity. In the capacitor manufacturing method, a film-formation treatment of applying a conductive polymer solution containing a ?-conjugated conductive polymer, a polyanion and a solvent to the dielectric layer side of a capacitor substrate having a dielectric layer formed on the surface of an anode, and then performing drying to form a conductive polymer film, is performed at least twice, and the conductive polymer solution used in at least one film-formation treatment among the second film-formation treatment and subsequent film-formation treatments is a high viscosity solution having a higher viscosity than the conductive polymer solution used in the first film-formation treatment.Type: ApplicationFiled: February 21, 2013Publication date: July 11, 2013Inventors: Tailu NING, Hironao FUJIKI, Kazuyoshi YOSHIDA, Michiko SHINGAI
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Publication number: 20130177814Abstract: A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. The broken graphitic edges at the CNF sidewall ensure good electrical connection with the Si shell during charge/discharge processes.Type: ApplicationFiled: December 21, 2012Publication date: July 11, 2013Inventors: Ronald A. Rojeski, Steven Klankowski, Jun Li
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Publication number: 20130176660Abstract: A carbonaceous composition usable to constitute a supercapacitor cell electrode, a porous electrode usable to equip such a cell, a process for manufacturing this electrode and one such cell incorporating at least one such electrode, for example in order to equip an electric vehicle. This composition is usable to be in contact with an aqueous ionic electrolyte, is based on a carbonaceous powder and comprises a hydrophilic binder-forming system. The system may include between 3% and 10% by weight a first crosslinked polymer having a number-average molecular weight Mn of greater than 1000 g/mol and having alcohol groups, and between 0.3% and 3% by weight a second polymer of at least one acid and which has a pKa of between 0 and 6 and a number-average molecular weight Mn of greater than 500 g/mol, the first polymer being crosslinked thermally in the presence of the second polymer.Type: ApplicationFiled: January 4, 2013Publication date: July 11, 2013Applicant: HUTCHINSONInventor: Hutchinson
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Patent number: 8481106Abstract: A method of fabrication of high-k paraelectric metal oxide films at low temperatures utilizing ordered mesoporous metal oxide thin films synthesized by organic templating methodology. The process consisting of (a) chemical solution deposition of periodic ordered mesoporous structures containing high-k metal oxide films, (b) removal of organic template additives, (c) infiltration of the pores with an appropriate second phase, and (d) low temperature thermal and/or annealing of infiltrated films.Type: GrantFiled: March 6, 2008Date of Patent: July 9, 2013Assignee: SBA Materials, Inc.Inventors: Shyama P. Mukherjee, Mark L. F. Phillips, Travis P. S. Thoms
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Publication number: 20130170099Abstract: Disclosed herein are an electrode of an energy storage and a method for manufacturing the same. The electrode includes: a current collector; a first electrode layer provided on one surface or both surfaces of the current collector; and a second electrode layer bonded to an outer surface of the first electrode layer, wherein in each of the first and second electrode layers, content ratios of an active material, a conductive material, and a binder, and materials thereof are different. Therefore, reliability of the energy storage may be increased and resistance thereof may be decreased.Type: ApplicationFiled: December 28, 2012Publication date: July 4, 2013Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Samsung Electro-Mechanics Co., Ltd.
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Publication number: 20130170100Abstract: Disclosed herein are an electrode including a plurality of electrode active material layers formed above an electrode current collector, each of the electrode active material layers including different structures of binders; a method for manufacturing the same; and an electrochemical capacitor. According to the present invention, physical bonding strength of the electrode can be significantly improved, and thus, long-term reliability of the electrochemical capacitor can be improved, by developing an electrode in which the binder composition of a bonding portion of an electrode and an electrode current collector and the binder composition between the electrode active material layers are differentiated from one another, in order to develop low-resistance EDLC products.Type: ApplicationFiled: December 31, 2012Publication date: July 4, 2013Applicant: c/o SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: c/o Samsung Electro-Mechanics Co., Ltd.
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Patent number: 8475866Abstract: A method for manufacturing a ceramic electronic component capable of preventing degradation of the self alignment property and product characteristics due to absorption of flux into pores of a ceramic element assembly during soldering in mounting and a ceramic electronic component. In the method, a ceramic element assembly is subjected to an oil-repellent treatment by using an oil-repellent agent containing a polyfluoropolyether compound as a primary component and hydrofluoroether as a solvent, so as to avoid absorption of the flux by the ceramic element assembly.Type: GrantFiled: June 14, 2012Date of Patent: July 2, 2013Assignee: Murata Manufacturing Co., Ltd.Inventors: Tatsuya Mizuno, Masaharu Konoue, Hiroki Hashimoto, Mitsuru Ueda
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Publication number: 20130164613Abstract: A terminal lead 1 includes an inner end portion 1a to be arranged inwardly of an exterior casing 9 which accommodates an electrochemistry element 6, an outer end portion 1b to be arranged outwardly of the exterior casing 9, and a plate-shaped metallic substrate 2 as a base material. An insulating resin film 4 is arranged at a portion of the terminal lead 1 corresponding to a seal portion 9x of the exterior casing 9. In this terminal lead 1, a surface coating layer 3 is formed on both surfaces 2p and 2p of the metallic substrate 2 in a thickness direction thereof. A coated amount of both widthwise end portions 3a and 3a of the surface coating layer 3 formed on both surfaces 2p and 2p of the metallic substrate 2 in the thickness direction is less than that a widthwise intermediate portion 3b thereof.Type: ApplicationFiled: December 21, 2012Publication date: June 27, 2013Applicants: SHOWA DENKO PACKAGING CO., LTD., SHOWA DENKO K.K.Inventors: SHOWA DENKO K.K., SHOWA DENKO PACKAGING CO., LTD.
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Patent number: 8470389Abstract: Provided is a method of manufacturing a solid electrolytic capacitor, including the steps of: forming a capacitor element including an anode body having a dielectric coating film on a surface thereof; impregnating the capacitor element with a polymerization liquid containing a precursor monomer of a conductive polymer and an oxidant; impregnating the capacitor element impregnated with the polymerization liquid with a silane compound or a silane compound containing solution; and forming a conductive polymer layer by polymerizing the precursor monomer after impregnating the capacitor element with the silane compound or the silane compound containing solution.Type: GrantFiled: November 30, 2009Date of Patent: June 25, 2013Assignees: SANYO Electric Co., Ltd., SAGA SANYO INDUSTRIES Co., Ltd.Inventors: Takeshi Furukawa, Yuichiro Inutsuka
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Publication number: 20130155576Abstract: Technologies are generally described related to the design, manufacture and/or use of electrodes, capacitors, or any other similar component. In an example, a system effective to form a component may include a container effective to receive graphite nanoplatelets and effective to receive ruthenium chloride. The system may include a coating device in communication with the container. The system may further include a processor arranged in communication with the container and the coating device. The processor may be configured to control the container effective to combine the ruthenium chloride with the graphite nanoplatelets under reaction conditions sufficient to form a ruthenium oxide graphite nanoplatelets nanocomposite. The processor may further be configured to control the coaling device effective to coat a support with the ruthenium oxide graphite nanoplatelets nanocomposite.Type: ApplicationFiled: July 20, 2011Publication date: June 20, 2013Applicant: Indian Ins tit u te of Technology MadrasInventors: Sundara Ramaprabhu, Ashish Kumar Mishra
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Publication number: 20130149436Abstract: A process for preparing a solid state electrolyte used in an electrochemical capacitor includes the steps of: (a) preparing a prepolymer composition which includes a water-retaining polymer component and a film-forming hydroxyl-containing polymer component; (b) subjecting the prepolymer composition to a crosslinking reaction so as to form a polymer matrix membrane including a polymer matrix and an ion-permeable film; and (c) treating the polymer matrix membrane with an aqueous solution which includes a plurality of positive and negative ions so as to permit the positive and negative ions to permeate the ion-permeable film to be retained in the polymer matrix, thereby forming the solid state electrolyte.Type: ApplicationFiled: November 21, 2012Publication date: June 13, 2013Applicant: NATIONAL KAOHSIUNG UNIVERSITY OF APPLIED SCIENCESInventor: National Kaohsiung University of Applied Sciences
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Publication number: 20130115368Abstract: A method of manufacturing a solid electrolytic capacitor excellent in reliability, particularly in ESR property, wherein in a solid electrolytic capacitor having a solid electrolyte layer, the solid electrolyte layer has a conductive polymer layer formed by a chemical polymerization method or an electrolytic polymerization method, using a polymerization liquid containing at least a monomer and a dopant-introducing agent. The dopant-introducing agent contains a dopant-introducing agent containing at least alkylammonium ions as a cationic component. The dopant-introducing agent in the polymerization liquid may further contain a dopant-introducing agent containing at least metal ions as a cationic component.Type: ApplicationFiled: December 27, 2012Publication date: May 9, 2013Applicant: SANYO ELECTRIC CO., LTD.Inventor: SANYO Electric Co., Ltd.
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Publication number: 20130105436Abstract: An electronic component is provided on a substrate. A thin-film capacitor is attached to the substrate, the thin-film capacitor includes a pyrochlore or perovskite dielectric layer between a plurality of electrode layers, the electrode layers being formed from a conductive thin-film material. A reactive barrier layer is deposited over the thin-film capacitor. The reactive barrier layer includes an oxide having an element with more than one valence state, wherein the element with more than one valence state has a molar ratio of the molar amount of the element that is in its highest valence state to its total molar amount in the barrier of 50% to 100%. Optionally layers of other materials may intervene between the capacitor and reactive barrier layer. The reactive barrier layer may be paraelectric and the electronic component may be a tunable capacitor.Type: ApplicationFiled: December 21, 2012Publication date: May 2, 2013Applicant: RESEARCH IN MOTION RF, INC.Inventor: RESEARCH IN MOTION RF, INC.
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Publication number: 20130100585Abstract: The present invention provides an electroconductive polymer suspension for providing an electroconductive polymer material with a high electroconductivity and a method for producing the same, and particularly provides a solid electrolytic capacitor with a low ESR and a method for producing the same. It includes a first step of carrying out chemical oxidative polymerization of a monomer providing an electroconductive polymer by using an oxidant in a solvent containing a first dopant including an organic acid or a salt thereof to synthesize an electroconductive polymer; a second step of purifying the electroconductive polymer; a third step of adding a second dopant, mixing an oxidant, subsequently adding a third dopant, and further mixing an oxidant in an aqueous solvent containing the purified electroconductive polymer; and a fourth step of carrying out an ion-exchange treatment to the mixture liquid obtained by the third step to obtain an electroconductive polymer suspension.Type: ApplicationFiled: October 11, 2012Publication date: April 25, 2013Applicant: NEC Tokin CorporationInventor: NEC Tokin Corporation
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Publication number: 20130094169Abstract: A molded system (100) has a plurality of components (110, 120, 130) attached to a carrier (101), one of the components being an object (110) of irregular thermal capacitance. For example, carrier (101) may be a QFN/SON-type leadframe and object (110) an inductor of high thermal capacitance. The surface of the object is sealed with a hardened polymeric layer (220) of high thermal resistance, whereby the layer (220) thermally insulates the object (110) and inhibits the transport of thermal energy between the object and the system. System (100) has molding compound (140) encapsulating the carrier and the attached components including the object (110) and the polymeric layer sealing the object's surface.Type: ApplicationFiled: October 13, 2011Publication date: April 18, 2013Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Mohamed Ashraf Mohd Arshad, Jin Keong Lim
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Publication number: 20130083455Abstract: The present invention provides a solid electrolytic capacitor and a method producing the same, in which high reliability is realized and further in which the product yield is improved by suppressing the increase of ESR or the like. In the present invention, the electroconductive polymer layer includes first electroconductive polymer layer 3 and second electroconductive polymer layer 10, in which first electroconductive polymer layer 3 covers the surface of dielectric polymer 2, and the second electroconductive polymer layer is provided on a surface of first electroconductive polymer layer 3 covering the bottom surface and the side surfaces, and is provide with opening at least a part of the leading surface of first electroconductive polymer layer 3.Type: ApplicationFiled: September 13, 2012Publication date: April 4, 2013Inventors: Masanori Takahashi, Satoshi Iwai
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Publication number: 20130078366Abstract: A method of manufacturing a solid electrolytic capacitor includes in this order, the steps of forming a dielectric film on a surface of an anode element formed of a porous body, forming a bonding layer containing a silane compound on the dielectric film, and forming a solid electrolytic layer on the dielectric film. The step of forming a bonding layer includes at least any one step of the step of immersing the anode element in a solution containing a silane coupling agent and vibrating at least any one of the anode element and the solution and the step of immersing the anode element in the solution and heating the solution.Type: ApplicationFiled: September 11, 2012Publication date: March 28, 2013Applicant: SANYO ELECTRIC CO., LTD.Inventor: Yousuke Abe