Matches 351 - 400 out of 477 < 1 2 3 4 5 6 7 8 9 10 >
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4752370 Supported membrane/electrode structure combination wherein catalytically active particles are coated onto the membrane  
The invention is a membrane/electrode combination having an electrically conductive screen which has a first and a second face. The first face is substantially flat and the screen has a plurality...
4751062 Fuel cell with electrolyte matrix assembly  
This invention is directed to a fuel cell employing a substantially immobilized electrolyte imbedded therein and having a laminated matrix assembly disposed between the electrodes of the cell for...
4722773 Electrochemical cell having gas pressurized contact between laminar, gas diffusion electrode and current collector  
An electrochemical cell having a hydraulically impermeable permselective membrane located between electrodes comprising at least one gas diffusion, laminar electrode having hydrophilic and...
4710436 Molten carbonate fuel cell and method of manufacturing electrolyte plate thereof  
A molten carbonate fuel cell is disclosed, which includes a γ-lithium aluminate porous electrolyte plate composed of a γ-lithium aluminate porous sheet having fine, continuous pores having...
4702971 Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells  
An electrochemical apparatus is made containing an exterior electrode bonded to the exterior of a tubular, solid, oxygen ion conducting electrolyte where the electrolyte is also in contact with an...
4702973 Dual compartment anode structure  
A dual compartment anode structure for use in molten carbonates fuel cells having an electrolyte porous metallic plate structure with one face adapted to contact the electrolyte and an opposite...
4695518 Silicon carbide matrix for fuel cells  
A matrix for holding the electrolyte within a phosphoric acid fuel cell is made from silicon carbide and a binder of polyestersulfone. Preferably the matrix consists of 10-20 weight percent...
4687715 Zirconium pyrophosphate matrix layer for electrolyte in a fuel cell  
A fuel cell is made, where a porous electrolyte retaining matrix layer, containing acid electrolyte, is disposed between a pair of spaced apart gas diffusion electrodes; where the matrix contains...
4673624 Fuel cell  
A fuel cell is constructed of three porous membranes filled with electrolyte. Outer membranes are plated externally with a metal film. The metal films are coated with a release agent. A catalyst...
4663250 Reduction of electrode dissolution  
Reduction of electrode metal dissolution in electrolyte between two metal electrodes of a voltaic cell by adding an electrode metal dissolution reduction agent to the electrolyte prior to operation...
4661423 Fuel cell electrolyte matrix and method for manufacturing the same  
A method for manufacturing a fuel cell electrolyte matrix comprises the steps of providing a fuel electrode and oxidizing electrode respectively coated with a catalyst layer on one side, forming a...
4659559 Gas fueled fuel cell  
A gas fueled fuel cell including spaced anode and cathode electrode parts defining anode and cathode gas chambers, means to conduct anode and cathode fuel gases into the chambers and a unit between...
4659635 Electrolyte matrix in a molten carbonate fuel cell stack  
A fuel cell stack is disclosed with modified electrolyte matrices for limiting the electrolytic pumping and electrolyte migration along the stack external surfaces. Each of the matrices includes...
4656735 Process for producing an electrolyte retaining matrix of electrical insulating long fibers  
A fuel cell provided with an electrolyte retaining plate made of electrical insulating long fibers such as lithium aluminate long fibers which have preferably a length of 100 to 400 μm and a...
4643955 Molten carbonate fuel cell reduction of nickel deposits  
A molten carbonate fuel cell with anode and cathode electrodes and an eleolyte formed with two tile sections, one of the tile sections being adjacent the anode and limiting leakage of fuel gas into...
4643957 Fuel cell  
In a fuel cell comprising a pair of counterposed gas-diffusible electrodes, an electrolyte-retaining, porous matrix provided between and in contact with the electrodes, a fuel chamber for feeding a...
4623415 Method of making fuel cell  
In a fuel cell comprising an electrolyte-retaining matrix interposed between a pair of gas-diffusion electrodes, the matrix comprises particles or fibers of a substance unreactive with phosphoric...
4615955 Fuel cell  
A fuel cell for generating electricity by reaction of reacting gases through a catalyst, which comprises a pair of electrodes each having a gas passage and being made from a porous substrate, an...
4612262 Process for adding electrolyte to a fuel cell stack  
Electrolyte is replenished in a fully assembled stack of fuel cells by depositing dilute electrolyte of known concentration on an external vertical face of the stack. The electrolyte is absorbed...
4596749 Method and apparatus for adding electrolyte to a fuel cell stack  
Electrolyte is replenished in a fully assembled stack of fuel cells by depositing dilute electrolyte on tabs extending outwardly from an external vertical face of the stack. The electrolyte is...
4596751 Molten carbonate fuel cell with improved electrolyte storage  
Molten carbonate fuel cells having anodes, cathodes, and matrices of specific characteristics result in improved cell performance as electrolyte is lost due to evaporation, reaction, etc. The anode...
4582766 High performance cermet electrodes  
Disclosed is a method of increasing the operating cell voltage of a solid oxide electrochemical cell having metal electrode particles in contact with an oxygen-transporting ceramic electrolyte. The...
4564567 Electronically conductive ceramics for high temperature oxidizing environments  
A high temperature, ceramic composition having electronic conductivity as measured by resistivity below about 500 ohm-cm, chemical stability particularly with respect to cathode conditions in a...
H000016 Fuel cell electrode and method of preparation  
A fuel cell having good resistance to compressive creep includes electrodes having a superstructure of porous electrically conductive foam with surface sections adjacent to opposing surfaces of an...
4555453 Method for forming molten carbonate fuel cell component and structure  
A molten carbonate fuel cell with oppositely charged porous electrodes and a continuous electrolyte layer therebetween formed of a porous non-electrically conducting binder containing a carbonate...
4554225 Molten carbonate fuel cell  
In a molten carbonate fuel cell wherein a cathode and an anode of porous material formed in contact with an electrolyte layer, each of the cathode and anode comprises a bilayered structure having a...
4548877 Electrolyte reservoir for carbonate fuel cells  
An electrode for a carbonate fuel cell and method of making same wherein a substantially uniform mixture of an electrode-active powder and porous ceramic particles suitable for a carbonate fuel...
4540640 Coated powder for electrolyte matrix for carbonate fuel cell  
A plurality of electrolyte carbonate-coated ceramic particle which does not differ significantly in size from that of the ceramic particle and wherein no significant portion of the ceramic particle...
4529671 Fuel cell  
In a fuel cell comprising an electrolyte-retaining matrix interposed between a pair of gas-diffusion electrodes, the matrix comprises particles or fibers of a substance unreactive with phosphoric...
4526845 Molten carbonate fuel cell integral matrix tape and bubble barrier  
A molten carbonate fuel cell matrix material is described made up of a matrix tape portion and a bubble barrier portion. The matrix tape portion comprises particles inert to molten carbonate...
4517260 Single component cell for phosphoric acid type fuel cell  
A single component cell for a phosphoric acid type fuel cell, constructed with a matrix base which consists principally of phosphoric-acid-resistant inorganic substance powder, and a buffer layer...
4514474 Air cathode structure manufacture  
An improved air cathode structure for use in primary batteries and the like. The cathode structure includes a matrix active layer, a current collector grid on one face of the matrix active layer,...
4511636 Molten carbonate fuel cell matrices  
A molten carbonate fuel cell including a cathode electrode of electrically conducting or semiconducting lanthanum containing material and an electrolyte containing matrix of an electrically...
4507262 Bubble pressure barrier and electrode composite  
Utilizing an organometallic precursor, a metal oxide is formed within the pores of a porous sintered blank substantially uniformly throughout the porosity of the blank producing a porous bubble...
4492741 Boron monoxide-hydrogen peroxide fuel cell  
A primary fuel cell including an elongate case defining a central ion exchange compartment with opposite ends and containing a liquid ionolyte. The case next defines an anode section at one end of...
4478696 Ionizable reducing and oxidizing gaseous supply means and process for catalytic barriers and electrodes  
This disclosure is concerned with the application of reducing or oxidizing gases, for use in electrochemical cells and the like embodying catalytic electrodes or barriers, at edge regions of such...
4476002 Metal current carrier for electrochemical cell electrodes  
A metal current carrier for use in fabricating thin electrochemical cell electrodes comprising a thin metal screen having disposed on one side a thin layer of coarse metal particles which at least...
4476199 Fused carbonate fuel cell  
A fused carbonate type of fuel cell comprising an electrolytic body retaining an electrolyte therein which is arranged between an anode and a cathode, where electricity is electrochemically...
4469579 Solid polymer electrolytes and electrode bonded with hydrophylic fluorocopolymers  
A solid polymer electrolyte (SPE), solid polymer electrolyte electrode, and method for forming from cationic exchange perfluorocarbon copolymer. Disclosed are solution techniques for forming SPE's...
4459341 High temperature solid electrolyte fuel cell with ceramic electrodes  
A solid oxide electrolyte fuel cell is described having a central electrolyte comprised of a HfO 2 or ZrO 2 ceramic stabilized and rendered ionically conductive by the addition of Ca, Mg, Y, La,...
4457987 Liquid fuel cell  
A liquid fuel cell including an anode made of carbon powders, which contains therein an electrode catalyzer and is adapted to be supplied with a liquid fuel, a cathode supplied with oxygen, and a...
4448857 Cathode composite for molten carbonate fuel cell  
A cathode composite useful for a molten carbonate fuel cell comprised of a porous sintered cathode having a porous sintered bubble pressure barrier integrally sintered to one face thereof, said...
4420544 High performance methanol-oxygen fuel cell with hollow fiber electrode  
A methanol/air-oxygen fuel cell including an electrode formed by open-ended ion-exchange hollow fibers having a layer of catalyst deposited on the inner surface thereof and a first current...
4404267 Anode composite for molten carbonate fuel cell  
An anode composite useful for a molten carbonate fuel cell comprised of a porous sintered metallic anode component having a porous bubble pressure barrier integrally sintered to one face thereof,...
4390603 Methanol fuel cell  
A methanol fuel cell wherein a positive electrode and a negative electrode are disposed in contact with a solid film which exhibits a hydrogen ion- and/or hydronium ion-conductivity. The methanol...
4389467 Porous electrolyte retainer for molten carbonate fuel cell  
A porous tile for retaining molten electrolyte within a fuel cell is prepared by sintering particles of lithium aluminate into a stable structure. The tile is assembled between two porous metal...
4352865 Fuel cell matrix having curling compensation  
A fuel cell matrix comprising a first layer of material having opposing first and second surfaces and second and third layers of material each adjacent one of said opposing surfaces, the first and...
4348465 Nitrogen metal fuel cell  
A nitrogen-metal fuel cell comprising a cathode and an anode in spaced relationship, a first electrolyte solution contacting the cathode, a second electrolyte solution contacting the anode and an...
4345008 Apparatus for reducing electrolyte loss from an electrochemical cell  
In an electrochemical cell wherein during operation electrolyte evaporates into a reactant gas stream, the evaporated electrolyte, before it leaves the cell as a vapor in the reactant gas exhaust...
4328086 Method for the manufacture of ion-exchange membrane-catalytic metal composite  
Disclosed is a method for the manufacture of an ion-exchange membrane--catalytic metal composite, which comprises treating the surface of an ion-exchange membrane with a low-temperature gas plasma...
Matches 351 - 400 out of 477 < 1 2 3 4 5 6 7 8 9 10 >