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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...
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7608118 |
Preconditioning fuel cell membrane electrode assemblies
A method is presented for preconditioning fuel cell membrane electrode assemblies for use in fuel cell systems which includes exposure to saturated steam at superatmospheric pressures, typically...
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7595085 |
Ceramic assembly with a stabilizer layer
In one embodiment, the method of producing a ceramic assembly includes: disposing an electrode precursor on an electrolyte precursor having an electrolyte sintering shrinkage, disposing a...
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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...
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7541016 |
Lithium titanate and method of forming the same
A lithium titanate has the following formula:
Li 4 Ti 5 O 12−x
wherein x...
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7521149 |
High efficiency semi-fuel cell incorporating an ion exchange membrane
A new semi-fuel cell design that incorporates ion exchange membranes to create separate compartments for the anolyte and catholyte to flow through the semi-fuel cell thereby isolating the metal...
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7498286 |
Electrocatalyst for oxygen reduction reaction in proton exchange membrane fuel cells
The present invention includes an apparatus, system and method for screening and making one or more electrocatalysts, electrocatalyst arrays, electrodes and catalysts for an oxygen reduction...
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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...
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7485387 |
Fuel cell module compatible with a dry cell
The present invention provides a fuel cell module compatible with a dry cell. The fuel cell module includes an enclosure, a power generating unit, a hydrogen storage unit and positive/negative...
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7482082 |
Electrochemical cell and a method for the manufacture thereof
Electrochemical cell, such as an SOFC, comprising a porous solid electrode ( 2 ) in contact with an electrolyte ( 1 ), which has been treated so as to become gasproof before the electrode is...
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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...
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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...
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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...
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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...
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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...
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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 AB x...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7244526 |
Solid oxide fuel cell anodes and electrodes for other electrochemical devices
An anode supported electrochemical device, such as a SOFC, is disclosed. A thin layer of electrolyte 310 is supported on an anode layer comprised of an active anode layer 320 and a bulk anode...
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7226676 |
Fuel containment and recycling system
An energy conversion system, comprising: a reservoir container including at least two chambers of inversely variable volume for respectively storing a quantity of fuel and receiving a quantity of...
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7226675 |
Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack
A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a fuel cell, a metal hydride hydrogen storage unit, an electric motor, high specific power,...
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7211351 |
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...
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7169497 |
Electrochemical cells
An electrochemical cell includes a hydrogen generator and a hydrogen fuel cell.
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7157171 |
Metal-air battery with programmed-timing activation
This invention provides an actively controlled battery with a programmed-timing actuation capability. As a preferred embodiment, the battery comprises (a) a first metal-air cell assembly and at...
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7150932 |
Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes
The present invention relates to a composite system comprising an electrode and a membrane, which can be used as a fuel cell element or an ion-exchange membrane.
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7150930 |
Power supply system and operating method thereof
A power supply system capable of obtaining a high output with a good startability even in an extremely low humidity atmosphere. The power supply system includes a hybrid structure of a humidified...
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7147952 |
Metal-air cell having an adjustable air inlet
A metal-air cell having an anode/electrolyte and a cathode includes a container having an upper interior surface and a lower interior surface for housing the anode/electrolyte and the cathode; a...
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7097928 |
Battery and method of making a battery
A battery includes a can having a rectangular or triangular cross section, the can having a closed end and an open end, a cathode in the can, an anode in the can, a separator between the cathode...
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7087341 |
Metal-air battery components and methods for making same
Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
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7081317 |
Polymer electrolyte thin film fuel cell and method of operating the same
It is difficult to realize a small fuel cell capable of being installed in mobile device by merely downsizing a conventional fuel cell without changing the configuration. The present invention...
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7066970 |
Electrochemical cells
Electrochemical cells and methods of making cells are disclosed. In some embodiments, an electrochemical cell includes a housing, a negative electrode in the housing, a positive electrode in the...
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7033699 |
Fuel cell cathodes and their fuel cells
Fuel cell cathodes and instant startup fuel cells employing the cathodes. The cathodes operate through the valency change mechanism of redox couples which uniquely provide multiple degrees of...
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7018740 |
Fuel cell cathode with redox couple
Fuel cell oxygen electrode and instant startup fuel cells employing such oxygen electrode. The oxygen electrode operates through the mechanism of redox couples which uniquely provide multiple...
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7014953 |
Regenerative bipolar fuel cell
The present invention discloses a fuel cell, which incorporates a bipolar plate. The regenerative bipolar fuel cell of the present invention contains at least one hydrogen electrode in contact with...
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7008706 |
Drive system incorporating a hybrid fuel cell
A vehicle drive system powered by a hybrid fuel cell including at least one cathode, at least one anode, and at least one auxiliary electrode. The auxiliary electrode works in combination with the...
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6998184 |
Hybrid fuel cell
A hybrid fuel cell/battery including at least one cathode, at least one anode, and at least one auxiliary electrode. The auxiliary electrode works in combination with the anode to provide a current...
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6986964 |
Metal air cell incorporating ionic isolation systems
Electrochemical cell systems are disclosed herein that are capable of selective ionic isolation, oxidant isolation, oxidant removal, moisture control, and combinations thereof. Selective ionic...
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6955187 |
Zinc-air battery control valve
A zinc-air battery and control valve for controlling air flow to energize the battery. Telescoping inner and outer valve sleeves each have a plurality of openings that when aligned communicate air...
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6939630 |
Composite electrode for reducing oxygen
A composite electrode for reducing oxygen that provides the quasi four-electron reduction at selectivity of nearly 100% is provided. The composite electrode includes an electrochemical catalyst A...
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6921606 |
Composite films for electrochemical devices
Composite film articles and assemblies that include at least one layer of expanded fluoropolymer bonded to at least one thermoplastic sheet are fabricated using a method which can adjust the gas...
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