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| Number | Title | Issue Date |
| 8187735 | Multifunctional mixed metal olivines for lithium ion batteries Electroactive compositions are disclosed for use in lithium ion battery electrodes. The compositions, such as multifunctional mixed metal olivines, provide an electrochemical cell having a plurality of open circuit voltages at different states of charge. The composi... | 05/29/2012 |
| 8163407 | Method for controlling sodium-sulfur battery In a method for controlling a sodium-sulfur battery, a time of correcting or resetting a depth of discharge of the sodium-sulfur battery is determined within a predetermined period based on weather information, and the depth of discharge of the sodium-sulfur battery... | 04/24/2012 |
| 8142918 | Flexible cathodes This disclosure relates to methods of making a cathode for a lithium battery. The batteries include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current... | 03/27/2012 |
| 8137830 | High voltage battery composed of anode limited electrochemical cells An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous electrolyte. The charge storage capacity of the anode electrode is less than ... | 03/20/2012 |
| 8084151 | Fuel cell system and method therefor When an output voltage of a fuel cell is lowered to carry out a catalyst activation process so as to activate a catalyst during an intermittent operation of the fuel cell, if generated power P1 exceeds allowed battery charge power, while generated power P2... | 12/27/2011 |
| 8080325 | Covers for electrochemical cells and related methods Embodiments of the invention relate to an electrochemical cell system including a cover that affects reactant flow into an electrochemical cell array. ... | 12/20/2011 |
| 8071256 | Electrochemical energy generating apparatus and method for driving the apparatus To provide an electrochemical energy generating apparatus which can regulate the operating conditions of an electrochemical device such as a fuel cell, according to a change of the internal properties of the device, achieving high energy density, and a method for dr... | 12/06/2011 |
| 8067108 | Hybrid battery for use over extended temperature range A hybrid battery comprising at least two nonaqueous electrochemical systems is described. The first cell comprises an anode of an alkaline earth metal or alloy thereof, and the second cell comprises an anode of an alkali metal or alloy thereof. The first cell is pre... | 11/29/2011 |
| 7993768 | Energy storage device and method A composition is provided that includes a ternary electrolyte having a melting point greater than about 150 degree Celsius. The ternary electrolyte includes an alkali metal halide, an aluminum halide and a zinc halide. The amount of the zinc halide present in the te... | 08/09/2011 |
| 7968220 | Non-aqueous electrolytic solution and lithium secondary battery A non-aqueous electrolytic solution favorably employable for a lithium secondary battery employs a non-aqueous electrolytic solution which comprises a non-aqueous solvent and an electrolyte which further contains 0.001 to 0.8 weight % of a biphenyl derivative having... | 06/28/2011 |
| 7851077 | System and method for enhanced information handling system battery safety Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes having a quenching distance that retards transfer of flames from the... | 12/14/2010 |
| 7842429 | Solid oxide fuel cell device and system The invention provides a fuel cell device including an elongate substrate the length of which is the greatest dimension such that the elongate substrate exhibits thermal expansion along a dominant axis coextensive with the length. A reaction zone is provided along a... | 11/30/2010 |
| 7807308 | Fuel cell system and start-up method A fuel cell system including a fuel cell stack having a plurality of fuel cells is provided. An anode supply manifold and an anode exhaust manifold are in fluid communication with the anodes of the plurality of fuel cells. A first valve is in fluid communication wit... | 10/05/2010 |
| 7803478 | Power output apparatus and method of setting secondary battery In a power output apparatus of the invention, a battery 36 is constructed by a lithium ion battery satisfying a first requirement of Sb/Pm2max>0.09 (m2/kW) as a relation of a total electrode area Sb of the battery to a rated output (maximum output)... | 09/28/2010 |
| 7785730 | Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries Electrode protection in electrochemical cells, and more specifically, electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries, are presented. In one embodiment, an electrochemical cell includes an anode co... | 08/31/2010 |
| 7771861 | Method of using an electrochemical cell The silicon as an anode material for use in lithium ion batteries according to the present invention provides a method for cell manufacturing. The degree to which the silicon is lithiated during cycling can be controlled, thereby lowering the volume expansion while ... | 08/10/2010 |
| 7763389 | Fuel cell manufacturing device and fuel cell There are disclosed a fuel cell manufacturing device in which a time of an assembling operation of a fuel cell can be reduced, and the fuel cell. A fuel cell manufacturing device is for use in manufacturing a fuel cell having a cell component including a plurality o... | 07/27/2010 |
| 7749641 | Secondary lithium ion cell or battery, and protecting circuit, electronic device, and charging device of the same The present invention provides a new method for improving capacity, average operating voltage and specific energy of a secondary lithium ion cell or battery. This method is achieved by means of properly adjusting the ratio between a positive material and negative ma... | 07/06/2010 |
| 7642001 | Non-aqueous secondary battery and its control method The invention provides a non-aqueous secondary battery having positive and negative electrodes and non-aqueous electrolyte containing lithium salt which has an energy capacity of 30 Wh or more, a volume energy density of 180 Wh/l or higher, which battery has a flat ... | 01/05/2010 |
| 7560188 | Nickel-metal hydride rechargeable battery In a nickel-metal hydride rechargeable battery comprising a positive electrode of nickel hydroxide and a negative electrode of hydrogen-absorption alloy, prolonged battery life is achieved by limiting the charge and discharge operations to be performed in the range ... | 07/14/2009 |
| 7550224 | Apparatus equipped with metallic manganese anode for generating power from voltage gradients at the sediment-water interface An apparatus having a metallic manganese anode; a cathode capable of reducing at least one species found in marine water; and a rig coupled to the anode and the cathode capable of maintaining the anode below a marine sediment surface and maintaining the cathode abov... | 06/23/2009 |
| 7527890 | Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or the battery temperature is not higher than a specified value and of be... | 05/05/2009 |
| 7507497 | Method and apparatus for judging degradation of storage battery A degradation judgment method, for a storage battery, according to the invention detects generation of a gas (hydrogen, oxygen, etc) after the start of charging of a lead-acid storage battery 10 and measures the electrical characteristics (voltage, current, resistan... | 03/24/2009 |
| 7432001 | Prevention of lithium deposition in nonaqueous electrolyte cells by electrolyte-to-cathode weight ratio The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by limiting the amount of electrolyte in the cell, thereby eliminating excess electrolyte pooling above the cell stack. ... | 10/07/2008 |
| 7419737 | Fuel supply device for direct methanol fuel cells A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the fuel tank, a sheet stack disposed on the wick structure, the sheet s... | 09/02/2008 |
| 7410710 | Firstout shutdown tracing for fuel processor control system A method and apparatus for determining which condition in a fuel processor has initiated a shutdown of the fuel processor are disclosed. In general, the apparatus generates a plurality of shutdown initiator signals, each corresponding to one of a plurality of shutdo... | 08/12/2008 |
| 7368191 | Electrode array for use in electrochemical cells The invention features an electrode array (7) in which pairs of electrodes (1) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each other. Rather, the broadest facing surfaces of the electrod... | 05/06/2008 |
| 7362965 | Wireless communication activation system and method A system and method for removable connection of an antenna element to a first flash synchronization connector of a camera body having wireless communication capability therein. An electrical event may be produced when the antenna element is connected to the first fl... | 04/22/2008 |
| 7357015 | Gas concentration sensor, hydrogen purification unit using this and fuel cell system In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a gas concentration detector comprising a reaction chamber which has a ... | 04/15/2008 |
| 7327147 | Device and method for determining characteristic variables for batteries A method for determining characteristic variables for electrical states of an energy storage battery includes subdividing an electrolyte volume of the battery into at least two electrolyte volume components with associated electrolyte balancing areasabd defining at ... | 02/05/2008 |
| 7326489 | Catalyst design for VRLA batteries A catalyst device for use with battery cells to recombine oxygen and hydrogen gas and thereby improve the performance and life of such cells. The catalyst device has the ability to filter out catalyst poisons and control the temperature of the recombination reaction... | 02/05/2008 |
| 7327122 | Battery heating circuit A battery delivers its rated capacity when the battery is below a temperature when the available battery capacity is limited. The battery includes a heating element, a temperature sensor, and a switch operatively connected to the heating element and temperature sens... | 02/05/2008 |
| 7326481 | Fuel cell system The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a controller. A first fuel flow circuit is provided, wherein fuel is flowed from ... | 02/05/2008 |
| 7318970 | Architectural hierarchy of control for a fuel processor A control technique for use in a fuel processor is disclosed. In one aspect, a control system includes a subsystem manager controller the operation of a respective physical subsystem for each of a plurality of physical subsystems in the fuel processor. The subsystem... | 01/15/2008 |
| 7309928 | Starter system for portable internal combustion engine electric generators using a portable universal battery pack A portable electrical generator has a manually movable frame. An internal combustion engine and a generator device that generates AC power are supported on the frame. The internal combustion engine drives the generator device. An electrically powered starting device... | 12/18/2007 |
| 7286356 | Thermally insulated cabinet and method for inhibiting heat transfer One embodiment of an cabinet according to the present invention comprises an inner cabinet having a plurality of inner walls that form an enclosure. A phase change material covers at least some of the plurality of inner walls. An outer cabinet is positioned around t... | 10/23/2007 |
| 7265456 | Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ... | 09/04/2007 |
| 7253680 | Amplifier system with current-mode servo feedback A system and method for compensating an amplifier apparatus for low frequency and/or DC components of an externally applied input signal as well as for any voltage offsets contributed by the amplifier circuitry. Band-limited servo feedback is applied to predetermine... | 08/07/2007 |
| 7248022 | Method and apparatus for determining the available energy of a lithium ion battery In accordance with various embodiments, there is a method for determining the available energy of a battery. Various embodiments include the steps of applying an increasing current to the battery and measuring a response voltage of the battery when the increasing cu... | 07/24/2007 |
| 7247048 | Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism A battery contact mechanism energizing a battery in a direction of one electrode of the battery by making pressure contact between a conductive contact member and the other electrode of the battery, includes a torsion coil spring. A rotational force is given to the ... | 07/24/2007 |
