Patent application number | Description | Published |
20080274033 | Methods of generating hydrogen with nitrogen-containing hydrogen storage materials - Methods of generating hydrogen-containing streams having a minimal concentration of gaseous reactive nitrogen-containing compounds, e.g., ammonia, are provided. Hydrogen storage material systems are also provided that generate such hydrogen-containing streams. A first composition comprising a nitride, a second composition comprising a hydride, and a third composition having a cation selected from the group consisting of: alkali metals, alkaline earth metals, and mixtures thereof are combined together. The hydrogen-containing stream thus generated has a minimal concentration of gaseous reactive nitrogen-containing compounds. | 11-06-2008 |
20090140742 | METHOD AND SYSTEM FOR DETERMINING A STATE OF CHARGE OF A BATTERY - Methods and systems are provided for determining a state of charge of a battery. The battery is subjected to a predetermined magnetic field such that the battery and the predetermined magnetic field jointly create a resultant magnetic field. The resultant magnetic field is sensed. The state of charge of the battery is determined based on the resultant magnetic field. | 06-04-2009 |
20090317613 | MICROPOROUS CARBON AND METHOD FOR MAKING THE SAME - A carbon material includes a carbonized composite formed from a substantially homogeneous composite including a carbon precursor and an activation agent that is soluble in a solution including the carbon precursor. Micropores having a substantially uniform size distribution are formed throughout the carbonized composite. At least 90% of a total pore volume of the carbon material is composed of micropores, and 10% or less of the total pore volume is composed of mesopores and macropores. A surface area of the carbon material ranges from about 1400 m | 12-24-2009 |
20100079145 | SYSTEM AND METHOD TO DETERMINE THE STATE OF CHARGE OF A BATTERY USING MAGNETOSTRICTION TO DETECT MAGNETIC RESPONSE OF BATTERY MATERIAL - One exemplary embodiment includes a method including providing a battery, producing a first magnetic field so that a second magnetic field is induced in the battery, sensing a magnetic field resulting from the interaction of the first magnetic field and the second magnetic field, utilizing the sensed net magnetic field to determine the state of charge of the battery. | 04-01-2010 |
20100111754 | Potassium and Sodium Filled Skutterudites - Interstitial voids of the cubic CoSb | 05-06-2010 |
20100155675 | Filled Skutterudites for Advanced Thermoelectric Applications - A low-cost filled skutterudite for advanced thermoelectric applications is disclosed. The filled skutterudite uses the relatively low-cost mischmetal, either alone or in addition to rare earth elements, as a starting material for guest or filler atoms. | 06-24-2010 |
20110048576 | Offboard heat management during compressed gas filling of vehicular hydrogen storage tanks - A method of filling a hydrogen gas storage tank with hydrogen gas includes filling an onboard hydrogen gas storage tank with hydrogen gas at substantially constant temperature and pressure while transferring a liquid from the hydrogen gas storage tank to a reservoir tank, compressing a gas in the reservoir tank by the flow of liquid into the reservoir tank, and managing the heat produced by the compression of gas in the reservoir tank off board the vehicle. A hydrogen gas delivery system includes an onboard hydrogen gas storage tank, a hydrogen gas supply line, a reservoir tank, and a liquid that transfers the heat of filling the hydrogen gas storage tank to the reservoir by effecting a compression of gas in the reservoir. | 03-03-2011 |
20110056531 | METHOD FOR ENHANCING THE PERFORMANCE OF THERMOELECTRIC MATERIALS BY IRRADIATION-PROCESSING - One embodiment includes a method for enhancing thermoelectric properties in a thermoelectric material including irradiation processing. | 03-10-2011 |
20110166811 | METHOD AND SYSTEM FOR DETERMINING A STATE OF CHARGE OF A BATTERY - Methods and systems are provided for determining a state of charge of a battery. The battery is subjected to a predetermined magnetic field such that the battery and the predetermined magnetic field jointly create a resultant magnetic field. The resultant magnetic field is sensed. The state of charge of the battery is determined based on the resultant magnetic field. | 07-07-2011 |
20110177940 | MICROPOROUS CARBON AND METHOD FOR MAKING THE SAME - A substantially homogeneous composite for making a carbon material includes a carbon precursor and an activation agent that is soluble in a solution including the carbon precursor. An amount of the activation agent used is sufficient to form the carbon material having at least 90% of a total pore volume of the carbon material composed of micropores, and 10% or less of the total pore volume composed of mesopores and macropores. | 07-21-2011 |
20110224070 | MICROPOROUS CARBON MATERIAL AND METHODS OF FORMING SAME - A method of forming a microporous carbon material includes combining a carbon precursor in solid form and an activation reagent in solid form to form a mixture, ball milling the mixture to form a composite, and, after ball milling, simultaneously activating and carbonizing the composite to form the microporous carbon material. The microporous carbon material includes a reaction product of the carbon precursor in solid form and the activation reagent in solid form. The microporous carbon material defines a plurality of micropores, a plurality of mesopores, and a plurality of macropores, wherein the plurality of micropores are present in the microporous carbon material in an amount greater than or equal to about 90 parts by volume based on 100 parts by volume of the microporous carbon material. The microporous carbon material has a surface area of from about 1,400 m | 09-15-2011 |
20110239635 | THERMOELECTRIC GENERATOR COOLING SYSTEM AND METHOD OF CONTROL - An apparatus is provided that includes a thermoelectric generator and an exhaust gas system operatively connected to the thermoelectric generator to heat a portion of the thermoelectric generator with exhaust gas flow through the thermoelectric generator. A coolant system is operatively connected to the thermoelectric generator to cool another portion of the thermoelectric generator with coolant flow through the thermoelectric generator. At least one valve is controllable to cause the coolant flow through the thermoelectric generator in a direction that opposes a direction of the exhaust gas flow under a first set of operating conditions and to cause the coolant flow through the thermoelectric generator in the direction of exhaust gas flow under a second set of operating conditions. | 10-06-2011 |
20120073276 | THERMOELECTRIC GENERATORS INCORPORATING PHASE-CHANGE MATERIALS FOR WASTE HEAT RECOVERY FROM ENGINE EXHAUST - Thermoelectric devices, intended for placement in the exhaust of a hydrocarbon fuelled combustion device and particularly suited for use in the exhaust gas stream of an internal combustion engine propelling a vehicle, are described. Exhaust gas passing through the device is in thermal communication with one side of a thermoelectric module while the other side of the thermoelectric module is in thermal communication with a lower temperature environment. The heat extracted from the exhaust gasses is converted to electrical energy by the thermoelectric module. The performance of the generator is enhanced by thermally coupling the hot and cold junctions of the thermoelectric modules to phase-change materials which transform at a temperature compatible with the preferred operating temperatures of the thermoelectric modules. In a second embodiment, a plurality of thermoelectric modules, each with a preferred operating temperature and each with a uniquely-matched phase-change material may be used to compensate for the progressive lowering of the exhaust gas temperature as it traverses the length of the exhaust pipe. | 03-29-2012 |
20120086457 | TEMPERATURE COMPENSATION FOR MAGNETIC DETERMINATION METHOD FOR THE STATE OF CHARGE OF A BATTERY - An exemplary embodiment includes a method of determining a state of charge of a battery system including determining a temperature dependent magnetic property value of a magnetic material proximate a battery cell; determining a temperature compensated value of said determined magnetic property value; and, using said temperature compensated value as an input to a state of charge (SOC) estimator to determine a state of charge (SOC) of said battery system. | 04-12-2012 |
20120161757 | METHOD AND SYSTEM FOR DETERMINING A STATE OF CHARGE OF A BATTERY - Methods and systems are provided for determining a state of charge of a battery. The battery is subjected to a predetermined magnetic field such that the battery and the predetermined magnetic field jointly create a resultant magnetic field. The resultant magnetic field is sensed. The state of charge of the battery is determined based on the resultant magnetic field. | 06-28-2012 |
20120161776 | METHOD AND SYSTEM FOR DETERMINING A STATE OF CHARGE OF A BATTERY - Methods and systems are provided for determining a state of charge of a battery. The battery is subjected to a predetermined magnetic field such that the battery and the predetermined magnetic field jointly create a resultant magnetic field. The resultant magnetic field is sensed. The state of charge of the battery is determined based on the resultant magnetic field. | 06-28-2012 |
20130079981 | BYPASS VALVE AND COOLANT FLOW CONTROLS FOR OPTIMUM TEMPERATURES IN WASTE HEAT RECOVERY SYSTEMS - Implementing an optimized waste heat recovery system includes calculating a temperature and a rate of change in temperature of a heat exchanger of a waste heat recovery system, and predicting a temperature and a rate of change in temperature of a material flowing through a channel of the waste heat recovery system. Upon determining the rate of change in the temperature of the material is predicted to be higher than the rate of change in the temperature of the heat exchanger, the optimized waste heat recovery system calculates a valve position and timing for the channel that is configurable for achieving a rate of material flow that is determined to produce and maintain a defined threshold temperature of the heat exchanger, and actuates the valve according to the calculated valve position and calculated timing. | 03-28-2013 |
20140030560 | BATTERY WITH SOLID STATE COOLING - A battery is provided with solid state cooling means so that it may operate within a predetermined operating temperature range is described. Suitably such a battery may be a high voltage-high current battery intended for use in a vehicle propelled by an electric motor such as a hybrid or electric vehicle. A plurality of thermoelectric assemblies is positioned in thermal contact with the assembled cells and/or modules which comprise the battery. These assemblies may be appropriately powered to pump heat from the battery responsive to a plurality of temperature sensors associated with individual cells or modules so that the battery temperature is maintained within the predetermined temperature range. The thermoelectric assemblies may also be powered to pump heat to the battery to more rapidly increase its temperature to the predetermined operating range under low temperature conditions. | 01-30-2014 |
20140297084 | SYSTEM AND METHOD TO DETERMINE THE STATE OF CHARGE OF A BATTERY USING MAGNETOSTRICTION TO DETECT MAGNETIC RESPONSE OF BATTERY MATERIAL - One exemplary embodiment includes a method including providing a battery, producing a first magnetic field so that a second magnetic field is induced in the battery, sensing a magnetic field resulting from the interaction of the first magnetic field and the second magnetic field, utilizing the sensed net magnetic field to determine the state of charge of the battery. | 10-02-2014 |