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8168339 Reducing loss of liquid electrolyte from a high temperature polymer-electrolyte membrane fuel cell  
A method for controlling an amount of a liquid electrolyte in a polymer-electrolyte membrane of a fuel cell is provided. The method comprises enriching one or more of a fuel flow and an air flow...
8147659 Gated electrodes for electrolysis and electrosynthesis  
A gated electrode structure for altering a potential and electric field in an electrolyte near at least one working electrode is disclosed. The gated electrode structure may comprise a gate...
8137857 Liquid electrolyte fuel cell having an anode substrate layer thicker than the cathode substrate layer  
A fuel cell (8a) having a matrix (11) for containing phosphoric acid (or other liquid) electrolyte with an anode catalyst (12) on one side and a cathode catalyst (13) on the other side includes an...
8101296 Battery having a charge voltage between 4.25 V and 6.00 V  
A battery having a cathode, an anode, an electrolytic solution, and a separator is provided. An open circuit voltage per pair of cathode and anode in a perfect charging state lies within a range...
8084568 Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof  
The present invention relates to a poly(arylene ether) copolymer having an ion exchange group, particularly a positive ion exchange group, a method for manufacturing the same, and use thereof. In...
8071253 Electrochemical cell using an ionic conductor  
An electrochemical cell includes an electrolyte membrane containing an ionic conductor. The ionic conductor includes: (a) a cation expressed by one of Formulae (1) and (2): R1R2R3HX+ (1) where, in...
8058383 Arylene-fluorinated-sulfonimide ionomers and membranes for fuel cells  
The preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells is described.
8043750 Reducing loss of liquid electrolyte from a high temperature polymer-electrolyte membrane fuel cell  
A method for controlling an amount of a liquid electrolyte in a polymer-electrolyte membrane of a fuel cell is provided. The method comprises enriching one or more of a fuel flow and an air flow...
8026017 High voltage methanol fuel cell assembly using proton exchange membranes and base/acid electrolytes  
An electrolyte membrane assembly for use in a fuel cell or other electrochemical device includes an ion exchange membrane, a base electrolyte reservoir configured and operable to maintain a volume...
8017261 Electrochemical cells utilizing Taylor Vortex Flows  
Electrochemical cells (10), such as fuel cells (12) and fuel reformers (14), with rotating elements or electrodes (34, 24) that generate Taylor Vortex Flows (28, 50) and Circular Couette Flows (58)...
7993796 Wafer provided with transverse conductors and application to a fuel cell  
A thin wafer comprising through holes filled at least partially with conductive carbon nanotubes generally oriented transversally to the wafer. A fuel cell comprising, in a thin wafer, a through...
7985505 Fuel cell apparatus and associated method  
An apparatus is provided that relates to an electrochemical cell assembly. The apparatus is capable of controlling water loss from a fuel cell, at least in part by separating gas and liquid fluid...
7964319 Fuel cell in which proton conductive gel is used and manufacturing method thereof, and electric power generation method  
An object of the present invention is to provide a fuel cell that operates in a temperature range of not lower than 100° C., and a method for manufacturing such a fuel cell. The fuel cell of the ...
7938891 Using ionic liquids  
Carbon dioxide or other gases can be separated from gas streams using ionic liquid, such as in an electrochemical cell. For example, a membrane can contain sufficient ionic liquid to reduce ionic...
7927731 Redox flow cell  
A redox flow cell is presented that utilizes a porous membrane separating a first half cell and a second half cell. The porous membrane is chosen to have a figure of merit (FOM) is at least a...
7927748 Catalytic membranes for fuel cells  
A fuel cell of the present invention comprises a cathode and an anode, one or both of the anode and the cathode including a catalyst comprising a bundle of longitudinally aligned graphitic carbon...
7919204 Thermal control of a flow cell battery  
A flow battery with thermal management is presented. The flow battery is housed in an enclosure where fluid is uniformly circulated about holding tanks of electrolyte to control the temperature...
7867658 Ionic liquids and ionic liquid acids with high temperature stability for fuel cell and other high temperature applications, method of making and cell employing same  
Disclosed are developments in high temperature fuel cells including ionic liquids with high temperature stability and the storage of inorganic acids as di-anion salts of low volatility. The...
7833677 Nonaqueous electrolyte battery  
This invention provides a nonaqueous electrolyte battery that has excellent output characteristics, is small in individual difference, and is more stable. The nonaqueous electrolyte battery...
7829237 Proton conductive film, method for producing the same, and fuel cell using same  
An object of the present invention is to solve the problems with conventional polymer electrolyte fuel cells and provide a proton conducting membrane which exhibits an excellent heat resistance and...
7763390 Fuel cell assembly having long life characteristics  
An example fuel cell assembly includes a separator plate. Non-porous and hydrophobic flow field layers are associated with the separator plate. An electrolyte retaining matrix comprises silicon...
7759019 Liquid fuel cell, membrane electrode assembly and cathode  
A cathode includes a diffusion layer, and a porous catalyst layer provided on the diffusion layer. The porous catalyst layer has a thickness not greater than 60 μm, a porosity of 30 to 70% and a ...
7674548 Fuel cell  
A fuel cell comprises a single cell including a membrane assembly electrode unit comprising a fuel electrode to which an aqueous methanol solution is supplied as a fuel, an air electrode to which...
7635533 Fuel cell electrocatalyst of Pt-Mn-Co  
An improved metal alloy composition for a fuel cell catalyst containing platinum, manganese, and cobalt.
7604887 Electrolyte membrane, membrane electrode assembly using this and fuel cell  
The electrolyte membrane of the present invention is an electrolyte membrane (1) having ionic conductivity that includes a base material (2) and organic molecules having ion exchange groups,...
7374837 Liquid electrochemical cell stacks and manufacturing methods for same  
The present invention provides liquid electrolyte electrochemical cassettes and stacks thereof which are suitable for a use in a variety of electrochemical, ion exchange, and battery applications....
7258946 Fuel cells and fuel cell systems containing non-aqueous electrolytes  
Fuel cells and fuel cell systems that include at least one non-aqueous electrolyte. Fuel cells according to the present disclosure may include an anode region that is adapted to receive an anode...
7238440 Membrane free fuel cell  
The invention is directed to a fuel cell comprising an anode and a cathode immersed in an electrolyte in the presence of a reductant and oxidant, wherein the distinguishing feature is that all of...
7060169 Electrochemical cell for gas sensor  
An electrochemical cell for applications such as electrochemical fuel cells, or electrochemical cell gas sensors used for detection of target gas species in environments containing or susceptible...
6989216 Fuel cell with overmolded electrode assemblies  
A fuel cell utilizing parallel flow of a hydrogen stream, an oxygen stream, and an electrolyte solution with respect to the electrodes, while maintaining mechanical support within the fuel cell....
6943263 Method for producing bis(trifluoromethyl)imido salts  
The present invention relates to a novel process for the preparation of bis(trifluoromethyl)imido salts of the general formula (I): [Ma+]−[N(CF3)2]a (I).
6933072 Parallel flow fuel cell  
A fuel cell utilizing parallel flow of a hydrogen stream, an oxygen stream, and an electrolyte solution with respect to the electrodes, while maintaining mechanical support within the fuel cell....
6924058 Hydrodynamic transport and flow channel passageways associated with fuel cell electrode structures and fuel cell electrode stack assemblies  
Hydrodynamic transport and flow channel passage structures associated with fuel cell electrode structures and fuel cell electrode stack assemblies, as well as to methods relating thereto, are...
6869710 Metal air cell system  
A metal air cell system is provided. The system includes a cathode having a pair of oxidant sides and anode sides. An anode is provided in two parts, each part having a side complementary each...
6833204 Method of operating phosphoric acid fuel cell  
A method of operating a phosphoric acid fuel cell is provided, in which the phosphoric acid fuel cell effects power generation at a high output. A power-generating cell is provided with an...
6727015 Fuel cell  
In a fuel cell which comprises at least the following elements: a) two electrodes which are each provided with at least one gas duct for a reaction gas,b) a liquid electrolyte,the respective gas...
6534220 High-boiling electrolyte solvent  
Novel carbonate compounds and novel carbamate compounds comprise at least one carbonate or carbamate moiety that is directly bonded only to groups selected from the group consisting of alkyl...
6488836 CO gas sensor and method of using same  
A CO gas sensor is equipped with a detecting unit in which a solid electrolyte membrane is held between a detection electrode and a counter electrode, and a voltage applying unit which applies...
6383674 Air-assisted electrochemical cell construction  
An electrochemical cell is disclosed including a cell housing, an ion-permeable, oxygen transmission restricting membrane that divides the interior of the cell housing into a first portion exposed...
6338913 Double-membrane microcell electrochemical devices and assemblies, and method of making and using the same  
A fibrous microcell structure comprising at least one electrically conductive fibrous element circumscribed by a porous membrane separator having coated, impregnated or extruded at an inner surface...
6333126 Process for producing nickel compound containing lithium  
In a process for producing a nickel compound containing lithium, a first substance comprising one selected from the group consisting of lithium and lithium compound and a second substance...
6205034 Protection device for protecting an electrical component and method of assembling a battery with a protection device and an electrical component  
A protection device and a method for protecting an electrical component. The protection device has a protective housing and a terminal cap. The protective housing has a base with a contact hole...
5997771 Use of hydrotropic agents in electrolytic capacitors  
An electrolytic solution is comprised of a borate, at least one dicarboxylic acid and at least one hydrotropic agent. The hydrotropic agent serves to maintain soluability at low temperatures, for...
5928808 Fibrous electrochemical feed cells  
The subject invention relates to an electrochemical cell in which a fiber containing electrode, a membrane separator, the electrolyte, the second electrode or electrocatalyst of the second...
5830593 Rotating electrode fuel cell for vehicle propulsion  
A fuel cell system for use in vehicles has a hydrogen electrode assembly, an oxygen electrode assembly, and a body of liquid electrolyte between the hydrogen electrode assembly and the oxygen...
5827602 Hydrophobic ionic liquids  
Ionic liquids having improved properties for application in non-aqueous batteries, electrochemical capacitors, electroplating, catalysis and chemical separations are disclosed. Exemplary compounds...
5789585 Aza crown ether compounds as anion receptors  
A family of aza-ether based compounds including linear, multi-branched and aza-crown ethers is provided. When added to non-aqueous battery electrolytes, the new family of aza-ether based compounds...
5733677 Metal-air electrochemical cell with oxygen reservoir  
A metal-air electrochemical cell comprising an oxygen reservoir disposed in an air plenum adjacent the air cathode. The oxygen reservoir includes an oxygen binding compound characterized in that...
5665481 Metal-air battery  
A metal-air battery having a liquid electrolyte above which is an air plenum. The battery includes a horizontally or vertically disposed anode completely within the electrolyte and a reticulated...
5639568 Split anode for a dual air electrode cell  
A dual air electrode metal-air cell having a casing with an upper cathode mask wall, a lower cathode mask wall, and a side wall; an anode assembly having a layer of anode material positioned above...
Matches 1 - 50 out of 202 1 2 3 4 5 >