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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7816026 | Battery having air electrode and biased lever gasket A fluid consuming battery and method are provided for reducing electrode doming and providing an adequate sealed closure to the battery housing. The battery includes a cell housing having first and second housing components and at least one fluid entry port through ... | 10/19/2010 |
| 7740965 | Battery A battery includes a battery can housing an cell that supplies electrical energy at terminals of the cell by an electro-chemical reaction with oxygen, the can including, a first member having at least one hole that is exposed to air; and a second member. The battery... | 06/22/2010 |
| H2241 | Fuel cell electric power generating system A fuel cell electric power generation system using air as both a coolant and an oxidant comprises an electric power generation subsystem, an air filter subsystem, a power and control electronics unit (PEU) subsystem comprising a DC/DC converter, and an air fan subsy... | 06/01/2010 |
| 7704621 | Batteries and battery systems A battery includes a cathode having an interior surface and an exterior surface, and defining a cavity and two open ends; a separator disposed adjacent to the interior surface of the cathode; an anode disposed adjacent to the separator and inside the cavity; an air-... | 04/27/2010 |
| 7695840 | Electrochemical cell having a deposited gas electrode An electrochemical cell comprising a gas electrode, including a deposited layer, and a counter electrode. The gas electrode is an electrode that either utilizes a gas as the active material that is reduced by the gas electrode or produces a gas by oxidation at the g... | 04/13/2010 |
| 7678484 | Electrochemical device and methods for energy conversion The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fuel cell or as a battery. The ... | 03/16/2010 |
| 7632585 | Battery having fluid regulator with pressure equalization A fluid consuming battery (10) is provided with a fluid regulating system (50) for regulating fluid entry into the battery. The battery (10) includes a fluid consuming cell (20) having a cell housing with fluid entry ports for the passage... | 12/15/2009 |
| 7611790 | Zinc/air battery with improved lifetime A zinc/air battery includes a plurality zinc/air battery cells and an arrangement for exposing the plurality of zinc/air battery cells to air wherein the exposing arrangement opens the plurality of zinc/air battery cells in a serial manner such that only one cell is... | 11/03/2009 |
| 7563531 | Air cell with modified sealing tab An air depolarized battery with an improved sealing member for sealing the air inlet port(s) of the battery before use is disclosed. The sealing member has areas of relatively high and low permeability, with an area of low permeability over at least a portion of an ... | 07/21/2009 |
| 7491458 | Active metal fuel cells Active metal fuel cells are provided. An active metal fuel cell has a renewable active metal (e.g., lithium) anode and a cathode structure that includes an electronically conductive component (e.g., a porous metal or alloy), an ionically conductive component (e.g., ... | 02/17/2009 |
| 7482081 | Battery system with in-situ and on-time continuous regeneration of the electrodes The battery system of this invention continuously regenerates the electrodes of the battery in-situ and on-time as the electrodes are consumed during discharge, which concurrently generate electric current. The continuous in-situ and on-time regeneration of the anod... | 01/27/2009 |
| 7470482 | Rectangular air battery with an interior bottom rib to support a sidewall insulating gasket A rectangular air battery includes: a first case having a bottom with air holes; a second case; and an insulating gasket with a substantially U-shaped cross-section. The first case and the second case are joined such that the opening of the second case faces the bot... | 12/30/2008 |
| 7435494 | Electrochemical cell electrodes Coal based carbon foams that are produced by the controlled heating of coal particulate in a mold and under a non-oxidizing atmosphere and subsequently graphitized have been found to provide excellent electrode materials for electrochemical cell applications. ... | 10/14/2008 |
| 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 |
| 7404842 | Microfabricated hydrogen storage device and metal hydride fuel cell/battery A hydrogen storage system is described that can fabricated under ambient atmospheric conditions and humidity. The hydrogen storage system includes hydrogen-absorbing alloy particles, such as ABx-type alloys, for example LaNi4.7Al0.3,... | 07/29/2008 |
| 7405014 | Tab system for a metal-air electrochemical cell Various embodiments of a metal-air cell having a tab system that covers an air entry port of the metal-air cell are provided. In one representative embodiment the tab system includes polymer layer and an adhesive layer between the metal-air cell and the polymer laye... | 07/29/2008 |
| 7396442 | Electrochemical oxygen generator module assembly An ionically conductive ceramic element includes a central unit (703). The central unit (703) is composed of a plurality of integrated manifold and tube modules (IMAT) (22) joined end to end along a central axis (A). Each IMAT module (22)... | 07/08/2008 |
| 7378168 | Fluid regulating microvalve assembly for fluid consuming cells A fluid regulating microvalve assembly for use to control fluid flow to a fluid consuming electrode, such as an oxygen reduction electrode, in an electrochemical cell. The microvalve assembly includes a stationary valve body having an aperture and a microactuator mo... | 05/27/2008 |
| 7357709 | Metal vent A metal vent having an aperture for the passage of a fluid, a porous membrane sealing the aperture, wherein the components of the vent are assembled by an interference fit. ... | 04/15/2008 |
| 7351487 | Fuel cell A fuel cell comprising a gas-permeable and electrically conducting support substrate having a fuel gas passage formed therein; a fuel-electrode layer formed on said substrate; a solid electrolytic layer formed on said support substrate so as to cover said fuel-elect... | 04/01/2008 |
| 7351491 | Supporting electrodes for solid oxide fuel cells and other electrochemical devices An electrode supported electrolyte membrane includes an electrode layer 630 facing an electrolyte layer 620. The opposing side of the electrode layer 630 includes a backing layer 640 of a material with a thermal expansion coefficient appr... | 04/01/2008 |
| 7348081 | Fuel efficient membrane electrode assembly The present invention provides a fuel efficient membrane electrode assembly that substantially resists methanol from “crossing over” by sealing the anode diffusion layer and catalyst layer, and by preventing fluids from passing across at least a portion of the m... | 03/25/2008 |
| 7347294 | Power system for electrically powered land vehicle The power system for an electrically powered land vehicle extracts electrons from ambient air to generate adequate electrical power to operate the land vehicle electrical energy production and propulsion system. The extracted electrons generate enough electrical pow... | 03/25/2008 |
| 7344804 | Lithium/air batteries with LiPON as separator and protective barrier and method A method and apparatus for making lithium/air batteries with LiPON as separator and protective barrier, and the resulting cell(s) and/or battery(s). Some embodiments include an apparatus that includes a lithium anode; a polymer-air cathode; and a LiPON separator bet... | 03/18/2008 |
| 7341800 | Fuel cell A simple, inexpensive and highly efficient fuel cell has boundary structures made of a photo-sensitive material in combination with selective patterning. Printed circuit board (PCB) fabrication techniques combine boundary structures with two and three dimensional el... | 03/11/2008 |
| 7338542 | Designed cellular coal Coal-based cellular products that can be custom designed to have integral stiffeners or load paths, directed heat transfer paths, and/or directed mass transfer paths and methods for their production are described. Such design and production is made possible by the a... | 03/04/2008 |
| 7332238 | Electrochemical cells and systems An electrochemical cell or cell system includes an air mover, such as a fan, and one or more pressure-sensitive mechanisms, such as a slit valve, that allow air to enter or to exit the cell or system. ... | 02/19/2008 |
| 7326480 | Fuel cell power system and method of controlling a fuel cell power system A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples... | 02/05/2008 |
| RE40035 | Modular ceramic oxygen generator A ceramic oxygen generator is described which is capable of modular construction to permit the oxygen generation capacity to be expanded. An ionically conducted ceramic electrolyte is formed into a series of rows and columns of tubes on a tube support member and lik... | 01/29/2008 |
| 7316794 | Continuous production of catalyst coated membranes A process for the production of catalyst coated membranes, especially catalyst coated membranes for use in fuel cells, that includes applying followed by drying of an electrocatalyst coating composition, a polymeric dispersion and a second electrocatalyst coating co... | 01/08/2008 |
| 7309535 | Air breathing fuel cell having bi-cell unit cells The present invention discloses a fuel cell having at least one bi-cell. The bi-cells may be stacked in series to achieve a desired power output. Each bi-cell is a unit cell comprising two hydrogen electrodes, two air/oxygen electrodes, two electrolyte distributors ... | 12/18/2007 |
| 7291414 | Reactant feed for nested stamped plates for a compact fuel cell A fuel cell in a fuel cell stack that provides a transition from nested bipolar plates in the active region of the stack to non-nested bipolar plates in the inactive regions of the stack without giving up the reduced stack thickness provided by the nested plates or ... | 11/06/2007 |
| 7288335 | Alkaline electrode tape The invention is a consumable Alkaline electrode for use in an Electrolytic Fuel Cell. The electrode system incorporates an intermediate perforated tape between the carrier insulation tape holding the electrolytic fuel and the cover stripper tape having a metalized ... | 10/30/2007 |
| 7278972 | Combined bone marrow aspiration and core biopsy device A combined bone marrow aspiration and core biopsy device. A large bore cannula includes a coaxial stylet which seals both ends of the cannula, allowing fluid to be aspirated through the space between stylet and cannula. Then, a core sample is taken with the cannula ... | 10/09/2007 |
| 7276142 | Combination pH electrode with stable standard potential Disclosed are combination glass pH electrodes, the standard potential of which is stabilized by means one or more of the following structural modifications: (a) incorporating a noble metal internal element in the pH half-cell;... | 10/02/2007 |
| 7276309 | Methods and devices for controlling flow and particle fluidization in a fuel cell Improved fuel cell systems comprise a fuel delivery system having a fluidization apparatus and a fluidization pump for creating an electrolyte flow suitable for fluidizing at least a portion of the fuel particles located within the fluidization apparatus. Due to the... | 10/02/2007 |
| 7264898 | Primary zinc-air battery A rectangular-shaped primary zinc-air battery is provided. Hence, many components of the primary zinc-air battery can be designed in shapes of sheets for easy production. In addition, the primary zinc-air battery comprises two sheets of air cathodes on opposite side... | 09/04/2007 |
| 7264752 | Conductive coatings for corona generating devices Conductive coatings usable for coating various elements of corona generating devices and method of forming such coatings are provided. The coatings include graphite and at least one transition metal oxide catalyst. When the conductive coatings are employed in elemen... | 09/04/2007 |
| 7258940 | Zinc/air cell A zinc/air button cell, wherein the cell has a single casing, namely, the anode can. A substantially flat metal support disk is employed, to close the open end of the anode can, thus eliminating the need for the conventional cathode can. The metal support disk is lo... | 08/21/2007 |
| 7252900 | Combination fuel cell and ion pump, and methods and infrastructure systems employing same A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and seco... | 08/07/2007 |