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7617577 Method of forming a low cost digital variable capacitor  
A digital variable capacitor package is provided as having a ground plane disposed on predetermined portion of the top surface of a substrate. An elongated signal electrode may also be disposed on...
7531010 Design for capacitor anode assembly  
According the present invention, anode foils are encapsulated in separator material so as to insulate them from the metal housing of an electrolytic capacitor. The present invention also provides...
7525788 Capacitor comprising a ceramic separating layer  
An electrochemical capacitor including a separating layer on a support. The separating layer represents a porous inorganic, electrically non-conducting coating which is provided with particles of...
7485240 Electrolyte for high voltage electrolytic capacitors  
An electrolyte including γ-butyrolactone, a cosolvent and an alcohol is disclosed, which may be used in an electrolytic capacitor with very high operating voltage. Optional additional additives...
7479353 Energy storage devices  
Pyrrolidinium-based room temperature ionic liquids, and phosphorus and arsenic analogues, are used as electrolytes in energy storage devices including secondary lithium batteries, supercapacitors...
7460356 Neutral electrolyte for a wet electrolytic capacitor  
A working electrolyte for use in a wet electrolytic capacitor is provided. The electrolyte is relatively neutral and has a pH of from about 5.0 to about 8.0, in some embodiments from about 5.5 to...
7402260 Non-aqueous solvent mixture and non-aqueous electrolytic solution containing such mixture  
A non-aqueous mixture solvent for a non-aqueous electrolytic solution to be used for electrochemical energy devices, which contains an aprotic solvent, and a fluorinated ketone of the formula: ...
7279117 Electrolytic capacitor and electrolyte solution for use in an electrolytic capacitor  
The electrical properties and high-temperature characteristics of an electrolytic capacitor are rendered satisfactory by addition of a compound with an unsaturated bond-containing chain which...
7268996 Electrolyte for very high voltage electrolytic capacitors  
The present invention is directed to an electrolyte for use in very high voltage electrolytic capacitors and to an electrolytic capacitor impregnated with the electrolyte of the present invention...
7214328 Composition for electrolytic solution and process for producing the same  
An electrolytic solution for operating electrolytic capacitors which deteriorates extremely little in electrical properties even when used in a high-tension capacitor. The electrolytic solution...
7079378 Electrolytic solution for electrolytic capacitor and electrolytic capacitor using the same  
An object of the present invention is to provide an electrolyte for an electrolytic capacitor, which is advantageous not only in that both electric conductivity and withstand voltage property are...
7033637 Epitaxial thin films  
Epitatial thin films for use as buffer layers for high temperature superconductors, electrolytes in solid oxide fuel cells (SOFC), gas separation membranes or dielectric material in electronic...
6911281 Non-aqueous electrolyte and electrochemical device comprising the same  
A non-aqueous electrolyte is disclosed, which comprises a non-aqueous solvent and a solute represented by the general formula(1): MBR 1 R 2 R 3 R 4 , wherein M is an alkali metal atom or an...
6902684 Non-aqueous electrolytes for electrical storage devices  
A non-aqueous electrolyte for electric storage devices consisting of a nitrile solvent and a complex salt formed by the reaction of a tetraalkyl ammonium salt and hydrogen fluoride. The electrolyte...
6896807 Capacitor electrolyte recovery  
A method for recovering and recycling expensive and hazardous components from capacitors containing an electrolyte salt dissolved in an aprotic organic solvent. The method includes disintegrating a...
6893774 Fluoroalkylphosphate salts, and process for the preparation of these substances  
Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors,...
6841301 Fluoroalkyl phosphates for use in electrochemical cells  
The present invention relates to fluoroalkyl phosphates, to a process for the preparation, and to their use as conductive salts in batteries, capacitors, supercapacitors and galvanic cells.
6826033 Aminoalcohol derivatives  
The present invention relates to a compound formula (I) wherein X 1 is bond or —O—CH 2 —, (II) or (III) R 1 is hydrogen or an amino protective group, a is phenyl, indolyl or carbazolyl,...
6787267 Electrolyte for electrochemical device  
The invention relates to an electrolyte for an electrochemical device. This electrolyte includes a first compound that is an ionic metal complex represented by the general formula (1); and at least...
6733544 Method of producing electrical double layer capacitor and method of mounting electrical double layer capacitor on a circuit substrate  
A method for producing an electrical double layer capacitor comprising the steps of assembling together components comprised of a positive electrode, a negative electrode, a non-aqueous solvent, an...
6652729 Electrolyte for very high voltage electrolytic capacitors  
An electrolyte comprising a polyester condensation product of 2-methyl-1,3-propane diol and boric acid; and further comprising dimethyl amino ethoxy ethanol in an amount to reduce the resistance of...
6582849 Stable (CF3)2N— salts and process for preparing them  
The invention relates to stable (CF 3 ) 2 N − salts, to a process for preparing them and to their use as precursor for organic compounds.
6574092 Carbonaceous material, polarizable electrode for electrical double-layer capacitor, and electrical double-layer capacitor  
A carbonaceous material having a pore size distribution, as determined from a nitrogen adsorption isotherm, in which pores with a radius of up to 10 Å account for at most 70% of the total pore...
6491841 Electrolytes for electrochemical double layer capacitors  
Novel organic electrolytes comprising tetrafluoroborates and hexafluorophosphates of doubly charged cations of N,N-dialkyl-1,4-diazabicyclo[2.2.2]octanediium (DADACO) are disclosed, which have...
6341057 Double layer capacitor and its manufacturing method  
A double layer capacitor and a method for producing the same wherein the double layer capacitor comprises a conductive coating based on binders of the melamine resin type such that the conductive...
6338806 Electrolytic capacitor and driving electrolyte thereof  
Driving electrolytes for electrolytic capacitors of the present invention contain boric acid esters and/or their salts of the structural formulae: R t —[(R 1 ) 1 —O—B—(OH)—O] k —H; ...
6307732 Aluminum electrolytic capacitor  
The present invention provides a highly reliable aluminum electrolytic capacitor which has no flash point and shows little change or degradation in external appearance and properties. The water...
6274061 Electrolyte for electrolytic capacitor and electrolytic capacitor having the same  
The present invention provides an electrolytic capacitor having excellent high temperature life characteristics and excellent low temperature properties, an aluminum electrolytic capacitor having...
6258288 Composition comprising long chain dibasic acids and electrolytic solution using thereof  
A mixture of long-chain dibasic acids comprising one or more long-chain dibasic acid having an alkyl group at its side chain and one or more long chain dibasic acid having a carbon chain of 8 or...
6043975 Capacitors using ion conductive polymer electrolyte  
An ion-conductive polymer electrolyte having a high ionic conductivity and a high stability in both of physical and chemical properties is disclosed. It has a polymer containing at least one...
6038123 Electric double layer capacitor, and carbon material and electrode therefor  
An electric double layer capacitor including an electrode containing carbon material as the main component, as a positive electrode and/or a negative electrode, and an electrolyte capable of...
6017367 Chip type aluminum electrolytic capacitor  
A chip type aluminum electrolytic capacitor (1) has a capacitor element (2) impregnated with an electrolytic solution, a cylindrical case (3) for containing the capacitor element (2), a sealing...
5969936 Electric double layer capacitor and electrolyte therefor  
An electric double layer capacitor including electrodes made of carbon material as the main component, and an electrolyte capable of forming an electric double layer at the interface with the...
5910381 Chlorinated diethyl carbonate solvent for battery  
The subject invention discloses a novel electrolyte for a solid battery system. Specifically, an electrolyte solvent of chlorinated diethyl carbonates demonstrate good electrochemical stability in...
5847919 Electrolytic capacitor with ceramic coated contact surface  
An electrolytic capacitor of the present invention is so constituted that a capacitor element steeped with an electrolytic solution containing quaternary ammonia salts is accommodated in an armor...
5776358 Electrolyte for driving electrolytic capacitor and electrolytic capacitor using the same  
The invention relates to an electrolyte for driving electrolytic capacitor and an electrolytic capacitor using the same, and by preparing by using a solvent mainly composed of organic compound, and...
5726856 Hexasubstituted guanidinium salts and ultracapacitors employing them as electrolytes  
Ultracapacitors including at least one cell with two solid, non-porous current collectors, two porous electrodes, preferably of carbon, and a porous separator between the electrodes, employ as...
5672440 Cell tester device employing a cathodically depositable metal ion electrolyte solution  
A cell tester device for use on an electrochemical cell which comprises an electrolyte containing a cathodically reducible metal ion that changes its visible appearance when it is reduced upon...
5661629 High conductivity crosslinked electrolyte materials and capacitors incorporating the same  
Elastomeric polymer electrolytes are provided for use in electrical energy storage devices such as aluminum electrolytic capacitors and batteries. The electrolytes contain two or more salts of...
5646815 Electrochemical capacitor with electrode and electrolyte layers having the same polymer and solvent  
An electrode material for an electrochemical capacitor and electrochemical capacitors utilizing the electrode material. The electrode material comprises electrically conductive carbon, a soluble...
5629829 Electrolytic solution for electrolytic capacitor and electrolytic capacitor  
There is proposed an electrolytic solution having a low specific resistance, a high sparking voltage and a stable sparking property. This electrolytic solution contains a quaternary ammonium salt...
5616274 Ion-conductive polymer electrolyte and electrolytic capacitor using the same  
A stable ion-conductive polymer electrolyte for an electrolytic capacitor comprises: a polymer made up of a prepolymer which has a polyol skeletal structure including polyalkylene oxide units, at...
5585999 Supercapacitor electrochemical cell  
The present invention provides a thin-film palladium electrode as a reversible redox-active positive electrode in a supercapacitor configuration. A room-temperature chloroaluminate molten salt...
5552245 Modified electrolyte for electrochemical cells and cells using same  
An electrolyte system for use in an electrochemical cell such as a battery or capacitor, and which includes an aqueous electrolyte and a modifier species. The modifier should be adapted to act as a...
5426561 High energy density and high power density ultracapacitors and supercapacitors  
Ultracapacitor and supercapacitor designs wherein two discrete metal film current collectors of the prior art, one for each of the cathode and anode, are replaced by a single thin polymer film. The...
5418682 Capacitor having an electrolyte containing a mixture of dinitriles  
An electrical capacitor includes an organic electrolyte to provide high power, high energy density, and broad operating temperature range. The capacitor includes electrodes and an electrolyte...
5301087 Electrolyte for electrolytic capacitor and electrolytic capacitor using the same  
Disclosed is an electrolyte for an electrolytic capacitor which comprises a salt of a tertiary dicarboxylic acid represented by the following formula (I) or (II): ##STR1## wherein n represents an...
5202042 Heterocyclic electrolyte salts for electrolytic capacitors  
An electrolyte for an electrolytic capacitor is disclosed, containing a carboxylic acid salt of a cationic nitrogen-containing heterocyclic compound as solute within an aprotic solvent or a mixed...
5160653 Electrolytic capacitor and electrolyte therefor  
The present invention is directed to a liquid electrolyte for an electrolytic capacitor, as well as an electrolytic capacitor made therewith. The electrolyte includes a liquid solvent portion...
5112511 Electrolyte for electrolytic capacitor  
An electrolyte for electrolytic capacitors containing within an aprotic solvent a hexafluorophosphate of an organic amine compound as solute; wherein said organic amine compound is a compound...
Matches 1 - 50 out of 85 1 2 >