Class / Patent application number | Description | Number of patent applications / Date published |
361504000 | With significant electrolyte | 64 |
20080316679 | Electrolytic Solution for Electrolytic Capacitor, and Electrolytic Capacitor Using the Same - It is provided the electrolytic solution for use in the electrolytic capacitor including a capacitor element and a casing containing said capacitor element, said capacitor element including a pair of electrodes, and a conductive separator (E) which is formed with a conductive polymer layer (F) containing a dopant agent (H) on its surface and is interposed between said pair of electrodes, said conductive separator (E) and said pair of electrodes being rolled up in an overlapped state with each other, and spaces between said pair of electrodes being impregnated with the electrolytic solution for electrolytic capacitor, wherein an acid component (D) and a base component (C) as electrolytic components to be contained in said electrolytic solution are at such a molar ratio that the acid component (D) is excessive. By use of said electrolytic solution for electrolytic capacitor, the increase in the ESR with the elapse of time in an electrolytic capacitor is suppressed. | 12-25-2008 |
20090147443 | ELECTROLYTIC SOLUTION AND ELECTROLYTIC CAPACITOR USING THE SAME - An electrolytic solution for an electrolytic capacitor includes an organic solvent, an additive dissolved in the organic solvent, and an electrolyte. The additive is made of at least one of borates represented by one of formula (1), formula (2), and formula (3). The electrolyte is phthalic acid 1,2,3,4-tetramethylimidazolynium. | 06-11-2009 |
20090207557 | ALUMINUM ELECTROLYTIC CAPACITOR - An aluminum electrolytic capacitor having an excellent short-circuit resistance, high capacitance, long life, and low equivalent series resistance (ESR) is provided. For this purpose, the aluminum electrolytic capacitor includes a capacitor element having a positive electrode foil, a first separator, a negative electrode foil, and a second separator, which are sequentially laminated one on another and wound together. After the capacitor element is impregnated with a driving electrolyte solution and housed in a metallic case, an open end of the metallic case is sealed with a sealing material. A ratio of B/A, i.e. a ratio of total thickness B of the first and second separators after winding with respect to total thickness A of the first and second separators before winding, is set in the range from 0.5 to 0.8. | 08-20-2009 |
20090296317 | Electrolytic capacitator element and processing for producing the same - A process is provided for producing an electrolytic capacitor element that can uniformly form a highly electrically conductive polymer having a nano thickness level on a nano porous anode element substrate and suitable for use in high-capacitance electrolytic capacitors used in emergency power supplies and backup power supplies in electronic equipment. An oxide film and an electrically conductive polymer film are formed by pulsed constant current electrolysis of a monomer for an electrically conductive polymer and a nanoporous valve action metal in an electrolysis solution comprising an ionic liquid. | 12-03-2009 |
20090310282 | Electrochemical capacitor - Disclosed is an electrochemical capacitor comprising a positive electrode exhibiting an irreversible capacity for extending the potential range during a charge/discharge cycle, a negative electrode composed of a material which is capable of reversibly adsorbing/desorbing lithium ions, and an electrolyte solution composed of an organic solvent containing lithium ions. | 12-17-2009 |
20100091431 | ELECTRIC STORAGE ELEMENT - This invention provides a high-capacitance electric storage element which, by virtue of the adoption of a metal electrode, can realize a large specific capacitance, a high energy density, and a higher withstanding voltage (not less than 6.0 V) than the prior art. The electric storage element comprises a metal electrode and a polymeric electrolyte-containing electrolyte. The electric storage element is characterized in that the metal electrode is formed so as to constitute a pair electrode, the metal electrode is in contact with the electrolyte, the metal electrode is provided on the surface and within the polymeric electrolyte, the electrolyte contains an amphiphatic polyether compound and/or a lipophilic compound, or a hydrophilic polyether compound and/or glycerin carbonate which are liquid under room temperature and atmospheric pressure conditions, and the electrolyte is in the state of being swollen with the amphiphatic polyether compound and/or the lipophilic compound, or the hydrophilic polyether compound and/or glycerin carbonate. | 04-15-2010 |
20100097743 | CONDUCTIVE COMPOSITION VAND CONDUCTIVE CROSS-LINKED PRODUCT, CAPACITOR AND PRODUCTION METHOD THEREOF, AND ANTISTATIC COATING MATERIAL, ANTISTATIC COATING, ANTISTATIC FILM, OPTICAL FILTER, AND OPTICAL INFORMATION RECORDING MEDIUM - A conductive composition comprises a π conjugated conductive polymer, a dopant, and a nitrogen-containing aromatic cyclic compound. A capacitor comprises an anode composed of a porous material of valve metal, a dielectric layer formed by oxidizing the surface of the anode, and a cathode provided on the dielectric layer and having a solid electrolyte layer containing a π conjugated conductive polymer, which comprises an electron donor compound containing an electron donor element provided between the dielectric layer and the cathode. Another capacitor is based on the above-described capacitor, wherein the solid electrolyte layer further comprises a dopant and a nitrogen-containing aromatic cyclic compound. An antistatic coating material comprises a π conjugated conductive polymer, a solubilizing polymer containing an anion group and/or an electron attractive group, a nitrogen-containing aromatic cyclic compound, and a solvent. An antistatic coating is formed by applying the antistatic coating material. | 04-22-2010 |
20100142123 | Electrochemical Capacitor Containing Ruthenium Oxide Electrodes - A capacitor containing an electrochemical cell that includes ruthenium oxide electrodes and an aqueous electrolyte containing a polyprotic acid (e.g., sulfuric acid) is provided. More specifically, the electrodes each contain a substrate that is coated with a metal oxide film formed from a combination of ruthenium oxide and inorganic oxide particles (e.g., alumina, silica, etc.). Without intending to be limited by theory, it is believed that the inorganic oxide particles may enhance proton transfer (e.g., proton generation) in the aqueous electrolyte to form hydrated inorganic oxide complexes (e.g., [Al(H | 06-10-2010 |
20110242733 | ELECTROLYTE FOR HIGH VOLTAGE ELECTROLYTIC CAPACITORS AND METHODS - This disclosure relates to an electrolyte for an aluminum electrolytic capacitor. An electrolyte according to one embodiment includes a protic fluid and a high dielectric co-solvent or a dipolar aprotic. According to various embodiments, the electrolyte is pH buffered to less than approximately 6.8 pH. The protic fluid includes ethylene glycol and the high dielectric co-solvent includes N-methylformamide, in various embodiments. The disclosure further relates to methods for manufacturing an electrolyte, and capacitors and implantable devices including a supporting electrolyte selected for optimal cation size and charge and anion solubility. | 10-06-2011 |
20120127632 | EXTENDED LIFE CAPACITORS - Capacitors employing liquid or gel electrolytes have their useful lifetime significantly extended by including, in the electrolyte, a binary mixture of transition metal ion species. Each species has at least two distinct oxidation states when dissolved in the electrolyte. The interaction of the mixture of ion species reduces the potential of the cathode and maintains the potential of the cathode below the hydrogen potential to prevent the reduction of hydrogen ions and the formation of hydrogen. The binary mixture of transition metal species reduces the cathode potential by oxidation of the transition metal species at the anode and reduction of the transition metal species at the cathode. Thus, the rate of decrease in capacitance, increase in equivalent series resistance, and swelling of the capacitor are suppressed. In addition, the ratio of capacitor aging to the quantity of charge passed by the capacitor is decreased by at least a factor of two as compared to previous known extended life capacitors. | 05-24-2012 |
20130070390 | ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME, AND ELECTROCHEMICAL CAPACITOR INCLUDING THE SAME - An electrode active material having a partially crystalline structure in a fine area (short range), a method for preparing the same, and an electrochemical capacitor including the same. The electrode active material having a partially crystalline structure in a fine area (short range) can be prepared by performing heat treatment at a proper temperature. In a case where the electrode active material is used for an electrode of an electrochemical capacitor, the pores as well as the partially crystalline structure, of the electrode active material, can contribute to capacitance, and thus, energy density of the electrochemical capacitor can be significantly improved. | 03-21-2013 |
20130170101 | ELECTROCHEMICAL CAPACITOR - Disclosed herein is a super capacitor electrical storage device, including a cathode and an anode respectively including electrode active materials having different average particle sizes, or a cathode and an anode respectively including electrode active materials having different pore structures in an active material. | 07-04-2013 |
20130242464 | Wet Capacitor Cathode Containing a Conductive Copolymer - A wet electrolytic capacitor that contains an anodically oxidized porous anode body, a cathode containing a metal substrate coated with a conductive coating, and a working electrolyte that wets the dielectric on the anode. The conductive coating contains a conductive copolymer having at least one thiophene repeating unit, as well as a pyrrole repeating unit and/or aniline repeating unit. | 09-19-2013 |
20130242465 | Wet Capacitor Cathode Containing a Conductive Coating Formed Anodic Electrochemical Polymerization of a Colloidal Suspension - A wet electrolytic capacitor that contains an anodically oxidized porous anode body, a cathode containing a metal substrate coated with a conductive coating, and a working electrolyte that wets the dielectric on the anode. The conductive coating is formed through anodic electrochemical polymerization (“electro-polymerization”) of a precursor colloidal suspension on the surface of the substrate. The colloidal suspension includes a precursor monomer, ionic surfactant, and sulfonic acid, which when employed in combination can synergistically improve the degree of surface coverage and overall conductivity of the coating. | 09-19-2013 |
20130242466 | Wet Capacitor Cathode Containing a Conductive Coating Formed Anodic Electrochemical Polymerization of a Microemulsion - A wet electrolytic capacitor that contains an anodically oxidized porous anode body, a cathode containing a metal substrate coated with a conductive coating, and a working electrolyte that wets the dielectric on the anode. The conductive coating is formed through anodic electrochemical polymerization (“electro-polymerization”) of a microemulsion on the surface of the metal substrate. The microemulsion is a thermodynamically stable, isotropic liquid mixture that contains a precursor monomer, sulfonic acid, nonionic surfactant, and solvent. | 09-19-2013 |
20130242467 | Wet Capacitor Cathode Containing an Alkyl-Substituted Poly(3,4-Ethylenedioxythiophene) - A wet electrolytic capacitor that contains an anodically oxidized porous anode body, a cathode containing a metal substrate coated with a conductive coating, and a working electrolyte that wets the dielectric on the anode. The conductive coating contains an alkyl-substituted poly(3,4-ethylenedioxythiophene) having a certain structure. Such polymers can result in a higher degree of capacitance than many conventional types of coating materials. Further, because the polymers are generally semi-crystalline or amorphous, they can dissipate and/or absorb the heat associated with the high voltage. The degree of surface contact between the conductive coating and the surface of the metal substrate may also be enhanced in the present invention by selectively controlling the manner in which the conductive coating is formed. | 09-19-2013 |
20130308249 | ELECTROCHEMICAL CELL - An electric double layer capacitor with a low resistance value is disclosed. The electric double layer capacitor includes an electrochemical device in the inside of a housing container and capable of achieving charge and discharge via external terminals, wherein the electrochemical device includes a pair of electrodes, a separator disposed between the pair of electrodes, and an electrolytic solution with which the pair of electrodes and the separator are impregnated; when a volume between the pair of electrodes is designated as Ve, and a volume of a void in an inter-electrode part of the separator disposed between the pair of electrodes is designated as Se, an inter-electrode part void ratio Re is defined as Re=Se/Ve×100 (%); and when a thickness of the inter-electrode part is designated as L2 (μm), and a separator evaluation index Ie is defined as Ie=L2/Re (μm/%), a relation of Ie≦1.0 (μm/%) is satisfied. | 11-21-2013 |
20140211370 | Electrochemical Cell, Related Material, Process for Production, and Use Thereof - The present invention relates to an electrochemical energy storage device referred to herein as a Metal/Ion Pseudo-Capacitor (MIPC). The MIPC stores charge through reversible metal electro-deposition and dissolution processes as anode functionality and ion adsorption/desorption processes, faradaic processes or both as cathode functionality. | 07-31-2014 |
20150077900 | Wet Electrolytic Capacitor Containing a Hydrogen Protection Layer - A wet electrolytic capacitor that contains a casing within which is positioned an anode formed from an anodically oxidized sintered porous body and a fluidic working electrolyte is provided. The casing contains a metal substrate over which is disposed a hydrogen protection layer that contains a plurality of sintered agglomerates formed from a valve metal composition. The present inventors have discovered that through careful selection of the relative particle size and distribution of the agglomerates, the resulting protection layer can effectively absorb and dissipate hydrogen radicals generated during use and/or production of the capacitor, which could otherwise lead to embrittlement and cracking of the metal substrate. | 03-19-2015 |
20150077901 | Wet Electrolytic Capacitor Containing a Composite Coating - A wet electrolytic capacitor that contains a casing within which is positioned an anode formed from an anodically oxidized sintered porous body and a fluidic working electrolyte is provided. The casing contains a composite coating disposed on a surface of a metal substrate. The composite coating includes a noble metal layer that overlies the metal substrate and a conductive polymer layer that overlies the noble metal layer. | 03-19-2015 |
20150077902 | Electro-Polymerized Coating for a Wet Electrolytic Capacitor - A wet electrolytic capacitor that contains a casing within which is positioned an anode formed from an anodically oxidized sintered porous body and a fluidic working electrolyte is provided. The casing contains a conductive coating disposed on a surface of a metal substrate. The casing contains a metal substrate coated with a conductive coating. The conductive coating contains a conductive polymer layer formed through anodic electrochemical polymerization (“electro-polymerization”) of a colloidal suspension on the surface of the metal substrate. The conductive coating also contains a precoat layer that is discontinuous in nature and contains a plurality of discrete projections of a conductive material that are deposited over the surface of the metal substrate in a spaced-apart fashion so that they form “island-like” structures. | 03-19-2015 |
20160059196 | Simplex electric circuit - A rotating spindle shaft is used as a valving mechanism for dispensing finite quantities of fluidized alkaline metals at regular spaced intervals into a reaction chamber for hydrolyzation to produce intense discrete surges of electron flow that generate an oscillatatory pulsing direct current (dc) for transformer operation. Pulsing direct current transformers are more efficient than alternating current transformers because the current flow is only in one direction such that hysteresis losses are low where the transformer iron core magnetic field reversal does not occur during the period of spindle shaft off flow and therefore does not inhibit the high rate of collapsing magnetic field lines of force cutting across a stationary metal conductor. | 03-03-2016 |
361505000 | Salt solute | 39 |
20080218939 | Nanowire supercapacitor electrode - A nanowire super-capacitor electrode for storing electrical energy. The electrode is formed by anodizing a porous membrane having a uniform pore size and diameter, depositing a metal layer on the membrane back, electroplate metal through the pores of the membrane, dissolving the porous membrane. The formed nanowire electrode is placed in an electrolyte to integrate said nanowire into an electrolytic capacitor. | 09-11-2008 |
20080247119 | ELECTROLYTIC CAPACITOR AND METHOD OF PRODUCING THE SAME - An electrolytic capacitor includes a cathode body. The cathode body includes a conductive solid layer having particles of conductive solid, formed using a dispersion including particles of conductive solid and a solvent. The particles of the conductive solid in the dispersion have a first particle size distribution peak and a second particle size distribution peak satisfying μ | 10-09-2008 |
20080304208 | ELECTROLYTIC CAPACITOR AND ELECTROLYTE THEREOF - The present invention provides means for forming an oxide film on a metal surface, means for repairing a defect of an oxide film, a high-performance electrolytic capacitor using the means, and an electrolyte of the capacitor. Namely, the prevent invention provides a method for easily forming an oxide film on the surface of a metal or an alloy thereof by anodization using a solution containing an ionic liquid. In an application of this method, an electrolytic capacitor having means for repairing a defect of an oxide film can be formed by a method using, as an electrolyte, an ionic liquid, a solution containing an ionic liquid and a salt, or a solution containing an ionic liquid and a conductive polymer or a TCNQ salt, and a valve metal or an alloy thereof as a metal. | 12-11-2008 |
20090034160 | ELECTROLYSIS SOLUTION FOR ELECTROLYTIC CAPACITOR, AND ELECTROLYTIC CAPACITOR - Provided is an electrolyte containing tetrafluoroaluminate ions, which is advantageous in that the electrolyte can be prevented from leaking from both the cathode and the anode in an electrolytic capacitor. | 02-05-2009 |
20090034161 | ELECTROLYTIC CAPACITOR - Provided is an electrolytic capacitor which is advantageous in that an electrolyte is remarkably prevented from leaking from the anode. | 02-05-2009 |
20090086410 | ELECTROLYTIC CAPACITOR - The electrolytic capacitor includes a capacitor element and an electrolyte solution with which the capacitor element is impregnated. The capacitor element is composed of a positive electrode made of a valve metal, an etched negative electrode containing copper, and a separator disposed therebetween. The electrolyte solution contains complex salt of an azole ring compound with copper ions. | 04-02-2009 |
20090147444 | ELECTROLYTIC SOLUTION FOR ELECTROLYTIC CAPACITOR AND ELECTROLYTIC CAPACITOR USING THE SAME - An electrolytic solution for an electrolytic capacitor includes a solvent and an electrolyte dissolved in the solvent. This electrolyte includes at least one of a carboxylic acid and a salt of the carboxylic acid. The carboxylic acid has a carboxyl group and at least one or more of substituents bonded to each terminal carbon of a straight main chain. The substituent bonded to the each terminal carbon of the main chain is hydrophilic, and/or a hydrophilic substituent is bonded to at least one of carbons other than the both terminal carbons of the main chain. | 06-11-2009 |
20090154064 | Lithium ion capacitor - A lithium ion capacitor including a positive electrode, a negative electrode, and an aprotic organic solvent solution of a lithium salt as an electrolytic solution. The positive electrode active material is capable of reversibly supporting lithium ions and/or anions, the negative electrode active material is capable of reversibly supporting lithium ions and anions, and the potentials of the positive electrode and the negative electrode are at most 2.0 V after the positive electrode and the negative electrode are short-circuited. The positive electrode and the negative electrode are alternately laminated with a separator interposed therebetween to constitute an electrode unit, the cell is constituted by at least two such electrode units, lithium metal is disposed between the electrode units, and lithium ions are preliminarily supported by the negative electrode and/or the positive electrode by electrochemical contact of the lithium metal with the negative electrode and/or the positive electrode. | 06-18-2009 |
20090161295 | ELECTROLYSIS SOLUTION AND ELECTROLYTIC CAPACITOR USING THE SAME - The present invention has its object to provide an electrolyte anion which is high in decomposition temperature, in order to inhibit the electrolyte anion in the electrolyte solution for electrolytic capacitors from undergoing decarboxylation in the lead-free solder reflowing step to thereby prevent valve opening. | 06-25-2009 |
20090161296 | LITHIUM ION CAPACITOR - A lithium ion capacitor includes a positive electrode, a negative electrode, and a non-protonic organic solvent electrolytic solution of a lithium salt. A positive electrode active material is a material capable of reversibly doping a lithium ion and/or an anion. A negative electrode active material is a material capable of reversibly doping a lithium ion. The lithium ion is doped in advance to either one or both of the negative electrode and the positive electrode so that a positive electrode potential after the positive electrode and the negative electrode are short-circuited is 2.0 V (relative to Li/Li | 06-25-2009 |
20090174986 | Lithium ion capacitor - It is to provide a lithium ion capacitor having a high capacity retention at the time of continuous charge at a high temperature and excellent in durability. | 07-09-2009 |
20100027193 | COATED ELECTRODE AND ORGANIC ELECTROLYTE CAPACITOR - A coated electrode includes a current collector of an etched aluminum foil having a thickness of 20 to 45 μm, an apparent density of 2.00 to 2.54 g/cm | 02-04-2010 |
20100053847 | ELECTROLYTIC CAPACITOR - Provide is an aluminum electrolytic capacitor exhibiting low specific resistance and low impedance property and realizing high reliability. An electrolytic capacitor has a structure in which: a capacitor element which is formed by rolling an anode foil and a cathode foil each connected with an electrode extraction lead through a separator and which is impregnated with a drive electrolytic solution is included in a cylindrical outer case having a closed-end; and an open end of the outer case is sealed with an elastic sealing body, in which: the drive electrolytic solution contains a tricyanomethide salt represented by the below-indicated chemical formula (1); and the drive electrolytic solution has a water content of 3.0 wt % or less: | 03-04-2010 |
20100128415 | LITHIUM ION CAPACITOR - A lithium ion capacitor includes a positive electrode made of a material capable of reversibly carrying either one or both of a lithium ion and an anion, a negative electrode made of a material capable of reversibly carrying a lithium ion, and an electrolytic solution made of a non-protonic organic solvent electrolytic solution of a lithium salt. A negative electrode active material is non-graphitizable carbon having a ratio of number of hydrogen atoms to number of carbon atoms of zero or more and less than 0.05. The lithium ion is doped in advance to either one or both of the negative electrode and the positive electrode so that a negative electrode potential when a cell is discharged to a voltage one half a charging voltage of the cell is 0.15 V or less relative to a lithium ion potential. | 05-27-2010 |
20100165544 | ELECTRODE FOIL, METHOD OF MANUFACTURING ELECTRODE FOIL, AND ELECTROLYTIC CAPACITOR - An electrode foil includes a structure a structure in which metal particles and ceramic particles, which primarily include at least one of valve metal particles having a dielectric constant and ceramic particles, are deposited on a surface of a metal foil. | 07-01-2010 |
20100165545 | ELECTROLYTIC CAPACITOR - A first anode foil is opposed to a first portion of a cathode foil and is arranged on one side of the cathode foil, and a second anode foil is opposed to a second portion of the cathode foil and is arranged on the other side. A first separator paper sheet is arranged between the first portion of the cathode foil and the first anode foil. A second separator paper sheet is arranged on the other side with respect to the cathode foil, and is opposed to the first portion of the cathode foil. A third separator paper sheet is arranged between the second portion of the cathode foil and the second anode foil. A fourth separator paper sheet is arranged on the one side with respect to the cathode foil, and is opposed to the second portion of the cathode foil. | 07-01-2010 |
20100188801 | Method of Manufacture of an Energy Storage Device - A method of preparing an energy-storage device is disclosed, which involves deposition of a redox polymer of the poly-Me(R-Salen) type onto a conducting substrate by electrochemical polymerization to prepare an electrode for use in the energy-storage device. Polymerization occurs at a voltage applied between the substrate and a counter-electrode, both of which are submerged in an electrolyte. The electrolyte contains an organic solvent, compounds capable of dissolving in the solvent and forming electrochemically inactive ions at concentrations of no less than 0.01 mol/L within the range of potentials from −3.0 V to +1.5 V, and a metal complex polymer represented by the formula poly-[Me(R-Salen)] dissolved at a concentration of no less than 5×10 | 07-29-2010 |
20100238608 | Electrolytic Capacitor Containing a Liquid Electrolyte - An electrolytic capacitor that contains an anodically oxidized porous anode, cathode, and an electrolyte that contains an alkali metal salt and ionically conductive polymer is provided. The alkali metal salt forms a complex with the ionically conductive polymer and thereby improves its ionic conductivity, particularly at higher temperatures. The electrolyte also contains an organic solvent that reduces the viscosity of the electrolyte and helps lower the potential barrier to metal ion transport within the electrolyte to improve conductivity. By selectively controlling the relative amount of each of these components, the present inventors have discovered that a highly ionically conductive electrolyte may be formed that is also in the form of a viscous liquid. The liquid nature of the electrolyte enables it to more readily enter the pores of the anode via capillary forces and improve specific capacitance. Further, although a liquid, its viscous nature may inhibit the likelihood of leakage. | 09-23-2010 |
20100302709 | High Voltage Electrolytic Capacitors - A wet electrolytic capacitor comprising a porous anode body that contains a dielectric layer formed by anodic oxidation; a cathode comprising a metal substrate coated with a conductive polymer; and an aqueous electrolyte disposed in contact with the cathode and the anode is provided. The electrolyte comprises a salt of a weak organic acid and water. The electrolyte has a pH of from about 5.0 to about 8.0 and an ionic conductivity of from about 0.5 to about 80 milliSiemens per centimeter or more, determined at a temperature of 25° C. | 12-02-2010 |
20110299224 | ELECTROLYTE SOLUTION AND ELECTROCHEMICAL CAPACITOR USING SAME - The present invention provides an electrolyte highly reliable in charge and discharge in a high voltage condition, and an electrochemical capacitor using the same. The electrolyte of the present invention includes a solvent, an electrolyte salt having an anion having a perfluoro alkyl group represented by a following composition formula, and an acid inducing substance having a fluorine atom for an anion, characterized in that the weight ratio of the acid inducing substance is in a range of 0.0001 to 2.0 wt %: | 12-08-2011 |
20110304952 | Electrolyte for lithium ion capacitor and lithium ion capacitor including the same - There are provided an electrolyte for a lithium ion capacitor and a lithium ion capacitor including the same. The electrolyte for a lithium ion capacitor according to the present invention includes: a lithium salt; and a mixing solvent including i) two or more compounds selected from a group consisting of cyclic carbonate compounds, ii) one or more compounds selected from a group consisting of linear carbonate compounds represented by a specified Formula, and iii) one or more compound selected from a group consisting of propionate compound represented by a specified Formula. | 12-15-2011 |
20120008254 | Method for manufacturing lithium ion capacitor and lithium ion capacitor manufactured using the same - A method for manufacturing a lithium ion capacitor, and a lithium ion capacitor manufactured using the method are provided. The method for manufacturing a lithium ion capacitor includes: disposing a lithium metal on a capacitor cell including a cathode, a separation film, and an anode; impregnating the capacitor cell with electrolyte including a lithium salt; changing the cathode and the anode to allow lithium ions within the electrolyte to be occluded into the anode; performing a primary reaction in which the cathode and the lithium metal are short-circuited to emit anions from the cathode and lithium ions from the lithium metal and a secondary reaction that the lithium ions emitted from the lithium metal are occluded into the cathode; and recharging the cathode and the anode to allow the lithium ions, which have been occluded into the cathode and the lithium ions within the electrolyte, to be occluded into the anode. | 01-12-2012 |
20120026645 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 02-02-2012 |
20120063061 | Electrolyte solution composition and energy storage device including the same - Disclosed herein are an electrolyte solution composition and an energy storage device including the same. The electrolyte solution composition contains: a lithium salt including lithium ions; and a solvent made of a material selected from a group consisting of at least one cyclic carbonate compound and propionate compound. The electrolyte solution composition may balancedly maintain characteristics at a room temperature and a low temperature and be used for pre-doping lithium ions, thereby making it possible to improve pre-doping efficiency. | 03-15-2012 |
20120063062 | Electrolyte solution composition and energy storage device with the same - Disclosed herein are an electrolyte solution composition and an energy storage device including the same. The electrolyte solution composition contains: a lithium salt including lithium ions; and a solvent made of a material selected from a group consisting of at least one cyclic carbonate compound. The electrolyte solution composition may balancedly maintain characteristics at a room temperature and a high temperature and be used for pre-doping lithium ions, thereby making it possible to improve pre-doping efficiency. | 03-15-2012 |
20120099245 | LITHIUM ION CAPACITOR AND MANUFACTURING METHOD OF LITHIUM ION CAPACITOR - Disclosed herein are a lithium ion capacitor (LIC) including: a positive electrode including a positive electrode activated material; a negative electrode including a negative electrode activated material; and an electrolyte solution disposed between the positive electrode and the negative electrode, wherein the positive electrode activated material includes graphite, thereby making it possible to considerably improve capacitance of a lithium ion capacitor as compared to a lithium ion capacitor according to the related art, and a manufacturing method of the lithium ion capacitor. | 04-26-2012 |
20120099246 | LITHIUM ION CAPACITOR - Disclosed herein is a lithium ion capacitor, including: a positive electrode including a positive electrode activated material; a negative electrode including a negative electrode activated material; and an electrolyte disposed between the positive and negative electrodes, wherein the positive electrode activated material includes a mixture of lithium iron phosphate (LiFePO4) and activated carbon, thereby having improved energy density and capacitance and a long life span. | 04-26-2012 |
20120262845 | MAGNESIUM CAPACITOR AND METHOD FOR PREPARING THE SAME - The present invention relates to a magnesium capacitor including: a cathode including a carbon material as an active material; an anode including magnesium and its alloys as active materials; and an electrolyte. | 10-18-2012 |
20120293916 | ELECTROLYTE SOLUTION FOR LITHIUM-ION CAPACITOR AND LITHIUM-ION CAPACITOR INCLUDING THE SAME - Disclosed herein are an electrolyte solution composition and an energy storage device including the same. The electrolyte solution may include: a solvent including one or more compound selected from one or more cyclic carbonate compound; and additives including one or more selected from a group consisting of catechol carbonate (CC), fluoro ethylene carbonate (FEC), propane sulton (PS), and propene sulton (PST). | 11-22-2012 |
20130063867 | LITHIUM TITANATE NANOPARTICLES, COMPOSITE OF LITHIUM TITANATE NANOPARTICLES AND CARBON, METHOD OF PRODUCTION THEREOF, ELECTRODE MATERIAL CONSISTING OF SAID COMPOSITE, ELECTRODE, ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL CAPACITOR EMPLOYING SAID ELECTRODE MATERIAL - A mixed solvent is prepared by dissolving acetic acid and lithium acetate in a mixture of isopropanol and water. This mixed solvent together with titanium alkoxide and carbon nanofiber (CNF) were introduced into a rotary reactor, the inner tube was rotated at a centrifugal force of 66,000 N (kgms | 03-14-2013 |
20130141841 | Wet Electrolytic Capacitor Containing a Gelled Working Electrolyte - A wet electrolytic capacitor is provided. The capacitor contains an anode comprising an anodically oxidized pellet formed from a pressed and sintered powder, a cathode that contains a metal substrate coated with a conductive polymer, and a working electrolyte in communication with the anode and the cathode. The working electrolyte is in the form of a gel and comprises an ammonium salt of an organic acid, inorganic oxide particles, an acid, and a solvent system that comprises water. The working electrolyte has a pH value of from about 5.0 to about 8.0. | 06-06-2013 |
20140016247 | ELECTROCHEMICAL CAPACITOR - An electrochemical capacitor includes a first electrode connected to a positive terminal of a power source during the charge of the electrochemical capacitor and a second electrode connected to a negative terminal of a power source during the charge of the electrochemical capacitor. The first and the second electrodes each have a carbon material. The electrochemical capacitor further includes a porous separator to separate the first and second electrodes and to be impregnated with an almost neutral aqueous electrolyte situated between the two electrodes. The neutral aqueous electrolyte has a salt formed by a metallic cation and an anion. | 01-16-2014 |
20140133066 | ELECTROLYTIC SOLUTION FOR ALUMINUM ELECTROLYTIC CAPACITOR, AND ALUMINUM ELECTROLYTIC CAPACITOR - Disclosed are an aluminum electrolytic capacitor having low impedance properties and a long service life, and an electrolytic solution which enables to give such capacitor. The electrolytic solution contains a solvent containing water, a phosphorus oxoacid ion-generating compound which can generate a phosphorus oxoacid ion in an aqueous solution, and a chelating agent which can coordinate with aluminum to form an aqueous aluminum chelate complex. The electrolytic solution further contains a compound selected from the group consisting of azelaic acid and an azelaic acid salt, and a compound selected from the group consisting of formic acid, a formic acid salt, adipic acid, an adipic acid salt, glutaric acid and a glutaric acid salt. The content of azelaic acid and/or the azelaic acid salt is at least 0.03 moles per kg of the solvent. When the electrolytic solution is used in an electrolytic capacitor which utilizes an anode having an aluminum oxide film containing phosphorus in an amount of 30 to 150 mg per unit CV product in terms of phosphoric acid, the service life of the capacitor is remarkably prolonged. | 05-15-2014 |
20140146440 | LITHIUM ION CAPACITORS AND METHODS OF PRODUCTION - A lithium-ion capacitor may include a cathode, an anode, a separator disposed between the cathode and the anode, a lithium composite material, and an electrolyte solution. The cathode and anode may be non-porous. The lithium composite material comprises a core of lithium metal and a coating of a complex lithium salt that encapsulates the core. In use, the complex lithium salt may dissolve into and constitute a portion of the electrolyte solution. | 05-29-2014 |
20150016024 | CATHODE ACTIVE MATERIAL HAVING CORE-SHELL STRUCTURE AND PRODUCING METHOD THEREOF - Disclosed is a cathode active material having a core-shell structure. The core-shell cathode active material includes a core including a lithium transition metal oxide with excellent electrochemical properties and a shell formed by coating the surface of the core with a transition metal oxide. The formation of the shell by coating a transition metal oxide on the surface of the core comprising a lithium transition metal oxide prevents the structure of the lithium transition metal oxide from collapsing and inhibits the dissolution of manganese ions, enabling the fabrication of a hybrid capacitor with improved energy density and rate characteristics. Also disclosed is a method for producing the cathode active material. | 01-15-2015 |
20150062782 | ANODE ELECTRODE FOR ALUMINUM ELECTROLYTIC CAPACITOR AND RESPECTIVE PRODUCTION METHOD - An aluminum electrolytic capacitor including an anode electrode, and a method for producing the anode electrode. The method includes providing an aluminum electrolyte including an ionic liquid and an aluminum salt, galvanically deposing an aluminum on an aluminum foil formed from the aluminum electrolyte, and anodically oxidizing a surface of the aluminum foil. The ionic liquid includes a pyrrolidinium cation and a halogenide. The aluminum electrolyte includes 50-70 mol. % of the aluminum salt based on a total substance amount of the ionic liquid and the aluminum salt. The galvanic deposition includes and is based on a deposition temperature ranging from 20° C. to 100° C., a current density ranging from 1 to 100 mA/cm | 03-05-2015 |
20150103471 | Composite Electrode Structure - A method of storing charge comprising the steps of providing a capacitor comprising an anode, a cathode, and an electrolyte, wherein the electrolyte comprises a nonaqueous liquid of sufficient dielectric constant to dissociate salts soluble in the nonaqueous liquid, a composite comprising a prefabricated porous carbon electrode structure or a carbon foam substrate that is a prefabricated paper structure and a coating deposited by infiltrating the structure with iron oxide via self-limiting electroless deposition on the surface. | 04-16-2015 |
20150302994 | ELECTRODE FOR CAPACITORS AND CAPACITOR USING SAME - A capacitor electrode includes a conductive base member and an electrode part electrically connected to the base member. The electrode part contains carbon particles of a first carbon material capable of adsorbing and desorbing ions. The electrode part further contains voids including first voids with diameters of not less than 0.2 μm and not more than 1.0 μm, and second voids with diameters of not less than 0.05 μm and less than 0.2 μm. The value of (V | 10-22-2015 |
20220139638 | CARBON CLOTH/GALLIUM OXYNITRIDE AND WORKING ELECTRODE AND SUPERCAPACITOR THEREOF - A carbon cloth/gallium oxynitride has a chemical formula of GaO | 05-05-2022 |
361506000 | Ethylene glycol | 3 |
20120300368 | ELECTROLYTIC CAPACITOR - An electrolytic capacitor includes a capacitor element, an electrolyte solution with which the capacitor element is impregnated, and an outer package enclosing the capacitor element and the electrolyte solution. The capacitor element includes an anode foil having a dielectric layer on a surface thereof, a cathode foil, a separator disposed between the anode foil and the cathode foil, and a solid electrolyte layer in contact with the dielectric layer of the anode foil and the cathode foil. The electrolyte solution contains a low-volatile solvent that is at least one of polyalkylene glycol and a derivative of polyalkylene glycol. | 11-29-2012 |
20130063868 | ELECTROLYTIC SOLUTION FOR ELECTROLYTIC CAPACITOR - A hydrophobic film is formed on the electrode foil surface by adding a straight-chain saturated dicarboxylic acid represented by the general formula: HOOC(CH | 03-14-2013 |
20160064151 | ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREFOR - An electrolytic capacitor includes a capacitor element, and an electrolyte solution with which the capacitor element is impregnated. The capacitor element includes an anode foil having a dielectric layer on a surface thereof, and a solid electrolyte layer including a conductive polymer and in contact with the dielectric layer of the anode foil. The electrolyte solution contains at least one of polyalkylene glycol and a derivative of polyalkylene glycol, and at least one of diphenyl amine, naphthol, nitrophenol, catechol, resorcinol, hydroquinone, and pyrogallol. | 03-03-2016 |