Patent application number | Description | Published |
20090109600 | Oblong electrochemical double layer capacitor - An oblong electrochemical double-layer capacitor is disclosed having a modified jelly roll design and having a plurality of fingers extending from each electrode in substantially the same direction. A packaged electrochemical double-layer capacitor is also disclosed comprising the oblong electrochemical double-layer capacitor having a modified jelly roll design. A method for manufacturing an oblong electrochemical double-layer capacitor having a modified jelly roll design is also disclosed. | 04-30-2009 |
20110001424 | SEAL FOR LIGHT EMITTING DISPLAY DEVICE, METHOD, AND APPARATUS - A glass package is disclosed comprising a first substrate and a second substrate, where the substrates are attached in at least two locations, at least one attachment comprising a frit, and at least one attachment comprising a polymeric adhesive and wherein the frit comprises a glass portion comprising: a base component comprising and at least one absorbing component. Also disclosed is a method of sealing a light emitting display device comprising providing a light emitting layer, a first substrate and a second substrate, where a frit is deposited between the substrates and a polymeric adhesive is deposited either between the substrates or around the edge of the device, and where the frit is sealed with a radiation source and the polymeric adhesive is cured. | 01-06-2011 |
20110070493 | CURRENT COLLECTORS HAVING TEXTURED COATING - A current collector and an electric double layer capacitor including a current collector. The current collector has a conductive layer with an electrode-facing surface and an opposing second surface, each surface having an area, and a textured coating formed over and in contact with at least a majority of the electrode-facing surface. | 03-24-2011 |
20110292569 | MULTI-LAYERED ELECTRODE FOR ULTRACAPACITORS - A multi-layer electrode includes a current collector having opposing first and second major surfaces, a fused carbon layer formed over one or both of the major surfaces, a conductive adhesion layer formed over each fused carbon layer, and an activated carbon layer formed over each conductive adhesive layer. The multi-layer electrode can be incorporated into a high energy density, high power density device such as an electric double layer capacitor. | 12-01-2011 |
20120043120 | Dual-Layer Method of Fabricating Ultracapacitor Current Collectors - A method of making a multi-layer current collector comprises forming a first layer from a first formulation over each major surface of a current collector substrate, and forming a second layer from a second formulation over each of the first layers, wherein one of the first formulation and second formulation is a graphite formulation and the other of the first formulation and second formulation is a carbon black formulation. | 02-23-2012 |
20120218680 | Ultracapacitor Package Design - A terminal plate for an ultracapacitor package is formed from a single sheet of conductive material and comprising a plurality of bent tabs extending in a direction substantially orthogonal to a first main surface of the terminal plate. The terminal plate is configured to provide direct metallurgical contact between external terminals of the ultracapacitor package and the respective terminals of an electrode set that is incorporated into the package. | 08-30-2012 |
20120257326 | Ultracapacitor With Improved Aging Performance - An electric double layer capacitor comprises first and second electrodes, each comprising respective first and second carbon materials having distinct pore size distributions. A pore volume ratio of the first carbon material is greater than a pore volume ratio of the second carbon material. The pore volume ratio R is defined as R=V | 10-11-2012 |
20140016246 | ULTRACAPACITOR WITH IMPROVED AGING PERFORMANCE - An electric double layer capacitor comprises first and second electrodes, each comprising respective first and second carbon materials having distinct pore size distributions. A pore volume ratio of the first carbon material is greater than a pore volume ratio of the second carbon material. The pore volume ratio R is defined as R=V1/V, where V1 is a total volume of pores having a pore size of less than 1 nm, and V is a total volume of pores having a pore size greater than 1 nm. | 01-16-2014 |
20140056798 | MICROWAVE ENERGY-ASSISTED, CHEMICAL ACTIVATION OF CARBON - A method for forming activated carbon comprises forming a feedstock mixture from a carbon feedstock and a chemical activating agent, and heating the feedstock mixture with microwaves in a plurality of successive heating steps to react the carbon feedstock with the chemical activating agent and form activated carbon. Step-wise heating can be used to efficiently control the microwave activation process. | 02-27-2014 |
20140210129 | METHOD FOR MANUFACTURING CARBON ELECTRODE MATERIAL - A method of extruding a dry mixture includes providing mixing materials to a twin screw extruder. The mixing materials are substantially dry and may include a substantially unfibrillated binder and a carbon material. The method includes extruding the mixing materials via a twin screw extruder to form an extruded mixture that is substantially dry. In one embodiment, the substantially dry mixture exiting the extruder may be further processed to form an electrode material, such as by a calendaring step. | 07-31-2014 |
20150055275 | CERAMIC SEPARATOR FOR ULTRACAPACITORS - A separator such as for an electrochemical double layer capacitor includes acicular inorganic particles that are dried to form a porous membrane. Example inorganic particles are calcium silicate particles. A deposition method implementing slurry that includes the acicular inorganic particles and a dispersing medium along with a binder material can be used to form the separator layer directly on electrode materials. | 02-26-2015 |
20150062779 | EDLC ELECTRODE AND MANUFACTURING PROCESS THEREOF - A method of forming a carbon-based electrode includes forming a mixture of activated carbon particles, carbon black particles, binder, and an optional liquid, fibrillating the binder to form a fibrillated mixture, and forming a carbon mat from the fibrillated mixture, wherein the mixture, during the forming of the mixture, is maintained at a temperature less than 19° C. The low temperature process facilitates dispersive and distributive mixing of the components of the carbon mat. | 03-05-2015 |