Patent application number | Description | Published |
20120134071 | ELECTROCHEMICAL DOUBLE-LAYER CAPACITOR USING NANOTUBE ELECTRODE STRUCTURES - Methods and apparatus for an electrochemical double-layer capacitor using nanotube structures. An electrochemical double-layer capacitor includes a first carbon nanotube-based electrode and a second carbon nanotube-based electrode mixed with an electrolyte, the carbon nanotubes comprising multiwall carbon nanotubes (MWNT) fabricated on one of a plurality of substrates using chemical vapor deposition (CVD), and a separator disposed between the first carbon nanotube-based electrode and the second carbon nanotube-based electrode. | 05-31-2012 |
20120154979 | Electrochemical double-layer capacitor for high temperature applications - Methods and apparatus for an electrochemical double-layer capacitor for hostile environments. An electrochemical double-layer capacitor includes two electrodes wetted with an electrolyte, each electrode being attached to or in contact with or coated onto a current collector and separated from each other by a separator porous to the electrolyte, the electrodes, electrolyte and current collector containing less than 1,000 parts per million (ppm) of impurities, while exhibiting a leakage current less than 1 amp per liter of volume over a range of operating temperatures and at a voltage up to a rated voltage. | 06-21-2012 |
20120268074 | POWER SYSTEM FOR HIGH TEMPERATURE APPLICATIONS WITH RECHARGEABLE ENERGY STORAGE - A power system adapted for supplying power in a high temperature environment is disclosed. The power system includes a rechargeable energy storage that is operable in a temperature range of between about seventy degrees Celsius and about two hundred and fifty degrees Celsius coupled to a circuit for at least one of supplying power from the energy storage and charging the energy storage; wherein the energy storage is configured to store between about one one hundredth (0.01) of a joule and about one hundred megajoules of energy, and to provide peak power of between about one one hundredth (0.01) of a watt and about one hundred megawatts, for at least two charge-discharge cycles. Methods of use and fabrication are provided. Embodiments of additional features of the power supply are included. | 10-25-2012 |
20120313586 | AUTOMOTIVE ELECTRIFIED DRIVE TRAIN SYSTEMS WITH HIGH TEMPERATURE RECHARGEABLE ENERGY STORAGE DEVICE - A propulsion energy storage system for a hybrid vehicle includes ultracapacitor based energy storage to provide rechargeable energy storage. The rechargeable energy storage used performs well over a wide thermal range and thus permits vehicle designers and manufacturers to forego incorporation of temperature management systems. Further, as the rechargeable energy storage exhibit excellent thermal stability, the form factor of the cells of the rechargeable energy storage (e.g., ultracapacitors) may be adjusted to meet the desires of designers, manufacturers and users. | 12-13-2012 |
20120313591 | Energy Storage Media for Ultracapacitors - An ultracapacitor includes at least one electrode that includes carbon nanotubes. The carbon nanotubes may be applied in a variety of ways, and a plurality of layers may be included. Methods of fabrication of carbon nanotubes and ultracapacitors are provided. | 12-13-2012 |
20130026978 | POWER SUPPLY FOR DOWNHOLE INSTRUMENTS - A power supply for a downhole instrument is provided. The power supply includes high temperature rechargeable energy storage, power generation capabilities and provides for operation in high temperature environments. A method of fabrication and use are provided. | 01-31-2013 |
20130044405 | High Power and High Energy Electrodes Using Carbon Nanotubes - An electrode useful in an energy storage system, such as a capacitor, includes an electrode that includes at least one to a plurality of layers of compressed carbon nanotube aggregate. Methods of fabrication are provided. The resulting electrode exhibits superior electrical performance in terms of gravimetric and volumetric power density. | 02-21-2013 |
20130045157 | IN-LINE MANUFACTURE OF CARBON NANOTUBES - Mass production of carbon nanotubes (CNT) are facilitated by methods and apparatus disclosed herein. Advantageously, the methods and apparatus make use of a single production unit, and therefore provide for uninterrupted progress in a fabrication process. Embodiments of control systems for a variety of CNT production apparatus are included. | 02-21-2013 |
20140265565 | MODULAR SIGNAL INTERFACE DEVICES AND RELATED DOWNHOLE POWER AND DATA SYSTEMS - A downhole power system is provided that includes an energy storage adapted to operate at high temperatures, and a modular signal interface device that serves to control the energy storage component as well as offer a means of data logging at high temperatures. The controller is fabricated from pre-assembled components that may be selected for various combinations to provide desired functionality. The energy storage may include at least one ultracapacitor. | 09-18-2014 |
20140265580 | INERTIAL ENERGY GENERATOR FOR SUPPLYING POWER TO A DOWNHOLE TOOL - A downhole power supply is provided that includes an energy storage adapted to operate at high temperatures, and a rotary inertial energy generator to capture the shock energy and vibrational energy of downhole movement of the drill string. The energy storage may include at least one ultracapacitor. | 09-18-2014 |