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| Number | Title | Issue Date |
| 8097373 | Fuel cell power supply device It is an object of the present invention to provide a fuel cell power supply device that can realize a reduction in size and improvement of durability of an accumulating unit while maintaining output performance that is applicable when large output is requested. The... | 01/17/2012 |
| 8017256 | Dual-power-supply system A dual-power-supply system uses both a fuel cell and a chargeable secondary battery. A differential voltage adding unit adds a differential voltage between the voltage of the fuel cell and a necessary target output voltage to the voltage of the fuel cell by using th... | 09/13/2011 |
| 8017276 | Power output device with fuel cell and method therefor An output limitation warning lamp is turned on when a possible output Qf of the fuel cell is less than a predetermined value L2. The output limitation warning lamp is provided at a combination meter in an instrument panel. The output limitation warning lamp i... | 09/13/2011 |
| 8012637 | Power output device with fuel cell and method therefor An output limitation warning lamp is turned on when a possible output Qf of the fuel cell is less than a predetermined value L2. The output limitation warning lamp is provided at a combination meter in an instrument panel. The output limitation warning lamp i... | 09/06/2011 |
| 7985495 | Assembled battery, power-supply system and production method of assembled battery An assembled battery comprises mainly multiple non-aqueous secondary cells A and at least one electric device B for voltage detection containing a non-aqueous electrolyte connected to the multiple non-aqueous secondary cells A in series. When a difference in the non... | 07/26/2011 |
| 7927757 | High temperature fuel cell with mixed anionic and protonic conduction This invention concerns a high temperature fuel cell with mixed anionic and protonic conduction having a protonic conduction reforming membrane directly coupled to a solid oxide fuel cell with conduction by oxygen ions, enabling use of a gradually reforming anode ge... | 04/19/2011 |
| 7883790 | Method of preventing over-discharge of battery A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collecto... | 02/08/2011 |
| 7867641 | Solar energy power supply system A solar energy power supply system includes a solar battery, an electrolyte supply device, an electrolyte recycling device, a hydrogen recycling device, a fuel cell, a heating device and a power management device. Electric power generation is accomplished by first a... | 01/11/2011 |
| 7862920 | Charged arrays of micro and nanoscale electrochemical cells and batteries for computer and nanodevice memory and power supply A sequence or array of electrochemical cells storing both digital and analog data. Both binary code and codes having a higher base may be stored in the memory device to increase information density. Such battery arrays could also provide power for the micro or nanod... | 01/04/2011 |
| 7862919 | Battery pack and electronic device using the same A high-capacity battery pack attachable to a small-sized electronic device in which a lithium-polymer cell and a lithium-ion cell are physically coupled and to be electrically connected in parallel, and an electronic device using the battery pack maximize a battery ... | 01/04/2011 |
| 7846568 | Power supply and control method therefor A power supply unit in a hybrid structure of a fuel cell and a power storage unit and a control method for the power supply unit, in which a small-size light-weight power storage unit is used and chances of incomplete functioning have been eliminated. In addition to... | 12/07/2010 |
| 7820312 | Variable power micro power generator A fuel cell based power generator exhibits a plurality of different power outputs. A selection structure carried by the generator facilitates specification of a desired output power. ... | 10/26/2010 |
| 7803489 | Hydrogen mobile power plant that extracts hydrogen fuel from water The apparatus contains a means to create superheated steam at a temperature of preferably 800° C. The superheated steam is delivered to a catalytic decomposition converter that contains ceramic membranes that function to decompose water H2O into its cons... | 09/28/2010 |
| 7745025 | Fuel cell based rechargable power pack system and associated methods for controlling same A power pack system for charging a set of isolated batteries is provided. In an illustrative embodiment of the invention, a single fuel cell, a single DC-DC converter and a single system controller device comprises the power-generation side of the power pack. A set ... | 06/29/2010 |
| 7704615 | Charged arrays of micro and nanoscale electrochemical cells and batteries for computer and nanodevice memory and power supply A sequence or array of electrochemical cells storing both digital and analog data. Both binary code and codes having a higher base may be stored in the memory device to increase information density. Such battery arrays could also provide power for the micro or nanod... | 04/27/2010 |
| 7700206 | Fuel cell system A fuel cell system comprises: a DBFC for generating a power by receiving a fuel; a PEMFC for generating a power by receiving hydrogen, a byproduct generated at an anode of the DBFC after a reaction, as a fuel; a supplementary power partially charged by a power gener... | 04/20/2010 |
| 7691501 | Fuel cell system and controlling method thereof A fuel cell system comprises: a fuel storage means for storing a fuel; a direct borohydride fuel cell (DBFC); a fuel circulation supply means for circulation and supplying a fuel to an anode of the DBFC from the fuel storage means; a polymer electrolyte membrane fue... | 04/06/2010 |
| 7659015 | Combined fuel cell system A fuel cell system comprises a combination of a first fuel cell of a first type and a second fuel cell of a second type, arranged downstream of the first fuel cell. The anode side of the first fuel cell is coupled with a cathode side of the second fuel cell; allowin... | 02/09/2010 |
| 7641992 | Medical device having lithium-ion battery A medical device includes a rechargeable lithium-ion battery for providing power to the medical device. The lithium-ion battery includes a positive electrode including a current collector and a first active material, a negative electrode including a current collecto... | 01/05/2010 |
| 7521138 | Apparatus and method for hybrid power module systems A hybrid power module suitable for use in an array of hybrid power modules comprises a fuel cell stack, an energy storage device, charger circuit operable to charge the energy storage device from the fuel cell stack and/or an external power source at approximately a... | 04/21/2009 |
| 7514164 | Fuel cell system including a fuel cell stack and at least one electrical energy storage device A fuel cell system includes a fuel cell stack and at least one electrical energy storage device that can be electrically connected to and/or disconnected from the fuel cell stack by at least one electronic switching element which is based, for example, on a MOSFET. ... | 04/07/2009 |
| 7494729 | Optimized battery performance In an electrical instrument to which a plurality of battery blocks and/or a plurality of batteries are detachably connectable, to prevent a phenomenon that only specific battery and battery block are deteriorated. A hybrid battery connectable to a body of an electri... | 02/24/2009 |
| 7491454 | All-in-one type hybrid fuel cell system A hybrid fuel cell system includes a fuel supply unit for supplying a fuel containing hydrogen, an oxygen supply unit for supplying oxygen, at least one electricity generation unit for generating electricity through an electrochemical reaction of the fuel supplied b... | 02/17/2009 |
| 7435508 | Multiple battery assembly for portable devices Described is a portable electronic device which may include a body accommodating electrical components of the device. The body defines a battery chamber and a battery receiving element movably mounted within the battery chamber. The battery receiving element include... | 10/14/2008 |
| 7427450 | Hybrid fuel cell system with battery capacitor energy storage system A fuel cell system that employs a super capacitor and battery electrically coupled in series with each other and in parallel with a fuel cell stack on a power bus line. As the voltage on the power bus line changes over the operating requirements of the system, the s... | 09/23/2008 |
| 7422817 | Fuel cell device with compound power supply A fuel cell device with a compound power supply is disclosed, which comprises a bipolar fuel cell board and an auxiliary power supply. The bipolar fuel cell board includes at least one fuel cell unit. The auxiliary power supply is disposed on the bipolar fuel cell b... | 09/09/2008 |
| 7416796 | Fuel cell with capacitor attached to the fuel cell separator plate The present invention provides a capacitor-embedded fuel cell. The capacitor-embedded fuel cell comprises a membrane electrode assembly including a hydrogen ion exchange membrane consisting of a polymeric electrolyte, and a pair of gas diffusion electrodes disposed ... | 08/26/2008 |
| 7371476 | Fuel cell system and related control method A fuel cell system and a related control method are disclosed wherein, during start-up of a fuel cell stack 1, a controller 21 operates a DC/DC converter 13 in a voltage control mode to allow an electric power to be supplied from a secondary bat... | 05/13/2008 |
| 7364812 | Multi-function solid oxide fuel cell bundle and method of making the same A multi-function bundle having all of the basic support functions integrated therein can be used as a basic building block component, for example, in a fuel cell engine. The multi-function bundle is modular, easy to assemble, and able to withstand the physical and t... | 04/29/2008 |
| 7362557 | Method, apparatus and article for bi-directional DC/DC power conversion A controller implements a state machine for operating the bi-directional power converter with a flexible load pattern while maintaining a thermal condition of the power converter within acceptable limits. The state machine implements a wait loop in response to selec... | 04/22/2008 |
| 7358702 | Storage battery with auxiliary terminals There is provided a storage battery for supplying power to an engine starting circuit and plural electrical parts and accessories, which is structured to prevent all the cords for various circuits and the like from being jammed to a single pair of terminals of the s... | 04/15/2008 |
| 7354670 | Fuel cell with fuel gas adjustment mechanism A fuel cell includes cell assemblies connected to each other by a fuel gas connection passage, an oxygen-containing gas connection passage, and a coolant connection passage. A fuel gas adjusting mechanism, an oxygen-containing gas adjusting mechanism, and a coolant ... | 04/08/2008 |
| 7353894 | Sealed nickel-metal hydride storage cells and hybrid electric having the storage cells A sealed nickel-metal hydride storage cell includes a positive electrode containing nickel as a positive electrode active material, a negative electrode containing a hydrogen-absorbing alloy as a negative electrode active material, a separator interposed between the... | 04/08/2008 |
| 7354671 | Fuel cell system having secondary cell This invention provides a power supply system for supplying electrical power to a load. The system includes: a first and a second power supply wirings for a connection to the load; a fuel cell system having a fuel cell connected between the first and second power su... | 04/08/2008 |
| 7342360 | Flashlight A handheld flashlight includes a head that pivots relative to a body. Three legs pivotally connect to the body and open into a tripod to support the head in an elevated position. The legs are spring-biased toward the open tripod position and are selectively held clo... | 03/11/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 7339347 | Apparatus and method for reliably supplying electrical energy to an electrical system The instant invention is directed to a multiple battery system and auxiliary battery attachment system. The invention provides a battery housing having a common positive terminal and a common negative terminal coupled to an electrical system. A main battery having a... | 03/04/2008 |
| 7338726 | Multi-layered cell, particularly a liquid crystal display cell, or electrochemical photovoltaic cell The present invention concerns a multi-layered cell, particular a liquid crystal display cell (1), or an electrochemical photovoltaic cell, or a combination of a liquid crystal display cell and an electrochemical photovoltaic cell, this multi-layered cell com... | 03/04/2008 |
| 7337001 | Implantable medical device and method with a dual power source incorporating electrolyte additive 2,2,2-trifluoroacetamide An implantable medical device includes a control circuit for controlling the operation of the device and for obtaining physiological data from a patient in which the medical device is implanted. The implanted device also includes a communication circuit for transmit... | 02/26/2008 |
| 7336004 | Topologies for using multiple energy sources for power conversions A boost converter and a buck-boost converter supply power to a load from a series connection between a first and a second power source. ... | 02/26/2008 |
