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| Number | Title | Issue Date |
| 8345406 | Electric double layer capacitor An electric double layer capacitor that contains at least one electrochemical cell is provided. The cell contains electrodes (e.g., two electrodes) that each contain a porous matrix of electrochemically-active particles (e.g., carbon). An aqueous-based electrolyte i... | 01/01/2013 |
| 8345407 | Low viscosity ionic liquids Disclosed is an ionic liquid: wherein: n is 1 or 2; R1 is selected from H and (C1-C6)alkyl; R2 is selec... | 01/01/2013 |
| 7952853 | Capacitor electrolyte A capacitor for an implantable medical device is presented. The capacitor includes an anode, a cathode, a separator therebetween, and an electrolyte over the anode, cathode, and separator. The electrolyte includes ingredients comprising acetic acid, ammonium acetate... | 05/31/2011 |
| 7859828 | Electrolytic solution for electrolytic capacitor, and electrolytic capacitor using the same An electrolytic solution for use in an electrolytic capacitor including a capacitor element and a casing containing the capacitor element, the capacitor element including a pair of electrodes, and a conductive separator (E) which is formed with a conductive polymer ... | 12/28/2010 |
| 7675734 | 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... | 03/09/2010 |
| 7672114 | Carbon nanoarchitectures with ultrathin, conformal polymer coatings for electrochemical capacitors A composite having an electroactive polymer coating on a porous carbon structure is disclosed. The composite may be used in capacitor electrodes. The composite may be made by self-limiting electropolymerization of a monomer on the carbon structure. ... | 03/02/2010 |
| 7667953 | Electrolytic capacitor An electrolytic solution, for use in an electrolytic capacitor, comprising a solvent and a solute wherein water accounts for 20 to 100% by weight of the solvent and the total solute content is from 1.5 to 44% by weight, and an electrolytic capacitor comprising a cap... | 02/23/2010 |
| 7539006 | Electrolytic solution for driving electrolytic capacitor and electrolytic capacitor An electrolytic capacitor using an electrolytic solution constituted by a solvent consisting of from 20 to 80 wt % of an organic solvent and from 80 to 20 wt % of water, the electrolytic capacitor comprising a nitro or nitroso compound except for nitrophenol, nitrob... | 05/26/2009 |
| 7492572 | Electrolytic capacitor manufacturing method An electrolytic capacitor having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, wherein the electrolytic capacitor provides an excellent high temperature life characteristic. The electrolyte solution containing t... | 02/17/2009 |
| 7440258 | Thermal interconnects for coupling energy storage devices A thermally fitted interconnect couples energy storage cells without the use of additional materials of fasteners. Variations of the interconnect can be used to facilitate fitting of multiple energy storage cell with multiple cell to cell spacings in a rapid and ine... | 10/21/2008 |
| 7428138 | Forming carbon nanotube capacitors A capacitor may be formed of carbon nanotubes. Carbon nanotubes, grown on substrates, may be formed in a desired pattern. The pattern may be defined by placing catalyst in appropriate locations for carbon nanotube growth from a substrate. Then, intermeshing arrays o... | 09/23/2008 |
| 7426103 | Electric double layer capacitor, control method thereof, and energy storage system using the same An electric double layer capacitor is configured as follows. A changeover switch is connected to a positive electrode of the electric double layer capacitor, a power supply or electric load is connected to a terminal a of the changeover switch, and an auxiliary elec... | 09/16/2008 |
| 7408764 | Cryogenic capacitors This invention describes a means by which performance characteristics of capacitors can be improved. This is achieved by reducing the temperature, preferably but not exclusively to cryogenic temperatures below 100 K. The dielectric strength, dielectric losses, equiv... | 08/05/2008 |
| 7405922 | Double layer capacitor A high reliability and low power consumption anti-lock brake system is disclosed. The two pilot valves are controlled so as not to be energized concurrently. The secondary battery of the anti-lock brake system is charged by a power supply and/or a generator. An elec... | 07/29/2008 |
| 7403371 | Method of making electrochemical capacitor electrode, method of making electrochemical capacitor, and porous particle with solvent for use therein The present invention provides a method of making an electrochemical capacitor electrode including a collector and an electronically conductive porous layer formed on the collector, the porous layer containing at least an electronically conductive porous particle an... | 07/22/2008 |
| 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: (wherein Rf1 | 07/22/2008 |
| 7400490 | Ultracapacitors comprised of mineral microtubules Disclosed is an ultracapacitor having electrodes containing mineral microtubules, an electrolyte between the electrodes, and a separator in the electrolyte to provide electrical insulation between the electrodes, while allowing ion flow within the electrolyte. The e... | 07/15/2008 |
| 7397650 | Electric double layer capacitor utilizing a multi-layer electrode structure and method for manufacturing the same An electric double layer capacitor uses a multi-layer electrode structure, which has a plurality of electrode layers composed of a binder and an electrode material and coated on a current-collecting member, each of the electrode layers including a macromolecular sub... | 07/08/2008 |
| 7382600 | Charge storage device A charge storage device comprising: a first electrode; a second electrode being opposed to and spaced apart from the first electrode; a porous separator disposed between the electrodes; a sealed package for containing the electrodes, the separator and an electrolyte... | 06/03/2008 |
| 7379289 | Conductive separator and electrolytic capacitor including the same The present invention provides a highly conductive separator of which surface is coated with conductive polymer molecules, and provides an electrolytic capacitor having a low ESR characteristic using the separator. The conductive separator is formed by sticking the ... | 05/27/2008 |
| 7359179 | Thermal interconnects for coupling energy storage devices A thermally fitted interconnect couples energy storage cells without the use of additional materials of fasteners. Variations of the interconnect can be used to facilitate fitting of multiple energy storage cell with multiple cell to cell spacings in a rapid and ine... | 04/15/2008 |
| 7352559 | Carbon nanotube devices and uses therefor Electrical devices which incorporate electrodes coated with carbon nanotubes. An anode is placed in conductive relationship with the coated electrode. A gas medium is placed between the electrode and anode which medium also participates in the transfer of electrons.... | 04/01/2008 |
| 7352558 | Dry particle based capacitor and methods of making same An inexpensive and reliable dry process based capacitor and method for making a self-supporting dry electrode film for use therein is disclosed. Also disclosed is an exemplary process for manufacturing an electrode for use in an energy storage device product, the pr... | 04/01/2008 |
| 7324328 | Integrated ultracapacitor as energy source An ultracapacitor formed on a semiconductor substrate includes a plurality conductive layers with intervening dielectric layers. These layers form a plurality of capacitors which may be connected in parallel to store a charge for powering an electronic circuit or fo... | 01/29/2008 |
| 7315441 | Flame-retardant electrolyte electrolytic capacitor The invention relates to an electrolytic capacitor having a flame retardant electrolyte and a high safety even if the electrolyte leaks out to outside, and more particularly to an electrolytic capacitor comprising a positive electrode provided with an insulating oxi... | 01/01/2008 |
| 7314514 | Electrolyte for an energy storage device The invention relates to energy storage devices such as capacitors and supercapacitors and non-aqueous solvent systems suitable for use as an electrolyte solvent therein. Devices incorporating the solvent system are suitable for use in, for example, wireless devices... | 01/01/2008 |
| 7312976 | Heterogeneous electrochemical supercapacitor and method of manufacture The present invention relates to a double electric layer heterogeneous electrochemical supercapacitor (HES) and a method of manufacture. Single-cell or multi-cell versions of the HES can be produced. Output characteristics of the HES are optimized by carefully contr... | 12/25/2007 |
| 7307830 | Capacitor with battery form factor housing High reliable energy density capability of double-layer capacitor electrode technology now enables the use of capacitors as supplements to, or replacements for, battery technologies. In one application, when sized to a standard battery form factor, the large end ter... | 12/11/2007 |
| 7301753 | Method and apparatus for a capacitor with flexible bus The present subject matter includes a first capacitor stack including a first plurality of anode layers and a first plurality of cathode layers and a second capacitor stack including a second plurality of anode layers and a second plurality of cathode layers. In var... | 11/27/2007 |
| 7292431 | Electrochemical capacitor and method of use The invention is an electrochemical capacitor with its electrodes made on a conducting substrate with a layer of a redox polymer of the poly[Me(R-Salen)] type deposited onto the substrate. Me is a transition metal (for example, Ni, Pd, Co, Cu, Fe), R is an electron-... | 11/06/2007 |
| 7289312 | Electrical charges storage device having enhanced power characteristics The present invention relates generally to an electrical charge storage device (ECSD) with enhanced power characteristics. More particularly, the present invention relates to enhancing the current density, voltage rating, power transfer characteristics, frequency re... | 10/30/2007 |
| 7286335 | Electric double layer capacitor An electric double layer capacitor capable of preventing leakage of an electrolytic solution from the inside and interfusion of unnecessary material from the outside, and capable of forming insulation between a terminal and an outer casing, is provided. A low... | 10/23/2007 |
| 7283349 | Electric double layer capacitor An electric double layer capacitor has a pair of current collectors, a positive polarizable electrode which is provided on one of the pair of current collectors, includes activated carbon of a weight W+ and has a capacitance C+, a negative pola... | 10/16/2007 |
| 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 serves to absorb hydrogen gas generated by reaction between the aluminum e... | 10/09/2007 |
| 7268205 | Medical devices and applications of polyhydroxyalkanoate polymers Devices formed of or including biocompatible polyhydroxyalkanoates are provided with controlled degradation rates, preferably less than one year under physiological conditions. Preferred devices include sutures, suture fasteners, meniscus repair devices, rivets, tac... | 09/11/2007 |
| 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 for use in an implantable cardioverter defibrillator (ICD). The electr... | 09/11/2007 |
| 7268995 | Electric double layer capacitor An electric double layer capacitor is composed of a pair of current collectors, a positive polarizable electrode provided on one of the pair of current collectors, a negative polarizable electrode provided on the other of the pair of current collectors, a separator ... | 09/11/2007 |
| 7262953 | Electrolytic capacitor An electrolytic capacitor having a low impedance characteristic, having a high withstand voltage characteristic of 100V class, wherein the electrolytic capacitor provides an excellent high temperature life characteristic and an excellent leakage characteristic. ... | 08/28/2007 |
| 7256981 | Electric double layer capacitor An electric double layer capacitor comprising a pair of electrodes and an electrolytic solution in contact with said pair of electrodes, wherein: the electrolytic solution contains a compound having the formula (1) and an organic solvent. Here, R1 is a gr... | 08/14/2007 |
| 7251122 | Electric chemical capacitor, and method and apparatus for manufacturing electrode for electric chemical capacitor An electric chemical capacitor includes first and second electrodes each including a collector 111, 121, a polarized electrode layer 112, 122 and an undercoat layer 113, 123 for bonding the collector and the polarized electrode layer with each o... | 07/31/2007 |
