Patent application number | Description | Published |
20120146066 | HIGH EFFICIENCY LEDS AND LED LAMPS - The present invention relates to a light emitting device comprising a plurality of electrically coupled light emitting elements, wherein each light emitting element has a luminous efficacy vs. current characteristic, wherein said luminous efficacy vs. current characteristic has a maximum luminous efficacy value and wherein at least one of said light emitting devices is operated at a current corresponding to a luminous efficacy value that is within 10% of said maximum luminous efficacy value. The present invention also relates to methods of making said light emitting device, to lamps comprising said light emitting device and to methods of operating said light emitting device. | 06-14-2012 |
20120248477 | HIGH EFFICIENCY LEDS AND LED LAMPS - In various embodiments, lighting systems include an electrically insulating carrier having a plurality of conductive elements disposed thereon, a light-emitting array, and at least one power source. The light-emitting array is disposed over the carrier and includes a plurality of light-emitting strings, each light-emitting string comprising a plurality of unpackaged light-emitting diode (LED) dies electrically connected in series. Each LED die has at least two electrical contacts on one surface thereof, and each electrical contact is electrically connected to a conductive element by a conductive adhesive. The power source provides power to the light-emitting strings. | 10-04-2012 |
20130177806 | Cathode for a Battery - An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material. | 07-11-2013 |
20130181619 | HIGH EFFICIENCY LEDS AND LED LAMPS - In various embodiments, lighting systems include an electrically insulating carrier having a plurality of conductive elements disposed thereon, a light-emitting array, and at least one power source. The light-emitting array is disposed over the carrier and includes a plurality of light-emitting strings, each light-emitting string comprising a plurality of light-emitting diodes (LEDs) electrically connected in series. Each LED has at least two electrical contacts, and each electrical contact is electrically connected to a conductive element by a solder. The power source provides power to the light-emitting strings. | 07-18-2013 |
20130250485 | MATERIALS FOR ELECTROLYTES AND METHODS FOR USE - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within supercapacitors, such as high stability during supercapacitor cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 09-26-2013 |
20140030589 | Materials Prepared by Metal Extraction - A method for extracting ions from an active material for use in a battery electrode includes mixing the active material and an activating compound to form a mixture. The mixture is annealed such that an amount of ions is extracted from the active material, an amount of oxygen is liberated from the active material, and an activated active material is formed. Embodiments of the invention include the activated active material, the electrode, and the primary and secondary batteries formed from such activated active materials. | 01-30-2014 |
20140103252 | CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM BATTERY INCLUDING THE MATERIAL - A cathode active material including a lithium metal oxide represented by Formula 1: | 04-17-2014 |
20140264190 | HIGH ENERGY MATERIALS FOR A BATTERY AND METHODS FOR MAKING AND USE - A composition for forming an electrode. The composition includes a metal fluoride compound doped with a dopant. The addition of the dopant: (i) improves the bulk conductivity of the composition as compared to the undoped metal fluoride compound; (ii) changes the bandgap of the composition as compared to the undoped metal fluoride compound; or (iii) induces the formation of a conductive metallic network. A method of making the composition is included. | 09-18-2014 |
20140264198 | High Energy Materials for a Battery and Methods for Making and Use - A composition for forming an electrode. The composition includes a metal fluoride, such as copper fluoride, and a matrix material. The matrix material adds capacity to the electrode. The copper fluoride compound is characterized by a first voltage range in which the copper fluoride compound is electrochemically active and the matrix material characterized by a second voltage range in which the matrix material is electrochemically active and substantially stable. A method for forming the composition is included. | 09-18-2014 |
20140272570 | High Energy Cathode Material - A composition for use in a battery electrode including lithium-sulfur particles coated with a transition metal species bonded to a sulfur species. Methods and materials for preparing such a composition. Use of such a compound in a battery. | 09-18-2014 |
20140272581 | HIGH ENERGY MATERIALS FOR A BATTERY AND METHODS FOR MAKING AND USE - A method of forming an electrode active material by reacting a metal fluoride and a reactant. The reactant can be a metal oxide, metal phosphate, metal fluoride, or a precursors expected to decompose to oxides. The method includes a milling step and an annealing step. The method can alternately include a solution coating step. Also included is the composition formed following the method. | 09-18-2014 |
20140272586 | HIGH ENERGY MATERIALS FOR A BATTERY AND METHODS FOR MAKING AND USE - A method of forming an electrode active material by reacting a metal fluoride and a reactant. The reactant can be a metal oxide, metal phosphate, metal fluoride, or a precursors expected to decompose to oxides. The method includes a milling step and an annealing step. The method can alternately include a solution coating step. Also included is the composition formed following the method. | 09-18-2014 |
20140349182 | High Energy Cathode for a Battery - An electrode for an electrochemical cell including a metal fluoride containing active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material. The active material can be a hybrid material formed from the reaction of a metal fluoride and a metal complex. | 11-27-2014 |