213462 ⎘
Fuel cells; Manufacture thereof; Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids Arrangements for managing water in solid electrolyte fuel cell systems
Power generator having multiple layers of fuel cells
#602Fuel cell system
#603Fuel cell water management system and method
#604Maintaining a fluid level in a heat exchanger of a fuel cell system
#605Surface engineering of bipolar plate materials for better water management
#606Sensorless relative humidity control in a fuel cell application
#607METHOD OF MAKING A MEMBRANE ELECTRODE ASSEMBLY COMPRISING A VAPOR BARRIER LAYER, A GAS DIFFUSION LAYER, OR BOTH
#608HYDROPHOBIC CATALYST LAYER FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD OF PRODUCING THE SAME, AND POLYMER ELECTROLYTE FUEL CELL AND METHOD OF PRODUCING THE SAME
#609Hydration sensor apparatus for measuring membrane hydration in a fuel cell stack
#610High efficiency fuel cell system
#611Direct oxidation fuel cell
#612Method of operating a fuel cell stack
#613Flow field plate geometries
#614Water reclamation in a micropower generator
#615Solid polymer fuel cell
#616Self-humidifying proton exchange membrane, membrane-electrode assembly, and fuel cell
#617Fuel cell system having no fuel pump
#618Fuel cell system and polymer electrolyte fuel cell system
#619Proton exchange membrane fuel cell
#620Fuel cells with hydrophobic diffusion medium
#621Device to control the flow speed of media through a fuel cell stack
#622Water recovery system and direct liquid feed fuel cell having the same
#623FUEL CELL HAVING TEMPERATURE-HUMIDITY CONTROLLER
#624Fuel cell fluid dissipater
#625Compact anode flow shift design for small fuel cell vehicles
#626Water transport features for diffusion media
#627Power supply apparatus with fuel cell and method of controlling the same
#628Dynamically controllable direct oxidation fuel cell systems and methods therefor
#629Fuel cell
#630Fuel cell
#631Fuel cell
#632Diffusion media with continuous micro-porous layers incorporating non-uniformity
#633Fuel cell system enclosure
#634Fuel cell system, fuel cell power generation apparatus and method therefor
#635Method and apparatus for water management in direct methanol fuel cell system using heat exchanger
#636Mixed reactant fuel cell system with vapor recovery and method of recovering vapor
#637Hydrophilic coating for fuel cell bipolar plate and methods of making the same
#638Sulfonated perfluorosulfonic acid polyelectrolyte membranes
#639Distributed electrochemical cells integrated with microelectronic structures
#640Lightweight direct methanol fuel cell
#641Flow field plates for fuel cells
#642Moving body
#643Fuel cell contact element including a TiOlayer and a conductive layer
#644Monomer compound, graft copolymer compound, production method thereof, polymer electrolyte membrane, and fuel cell
#645Fuel cell system
#646Combined accumulator and demineralizer functionality for a fuel cell
#647Relative humidity profile control strategy for high current density stack operation
#648Switchable surfaces
#649Fuel cell vehicle and water discharging method for fuel cell vehicle
#650Water management in monopolar fuel cells
#651PEM-SOFC hybrid power generation systems
#652Integrated fuel cell system
#653Optical fiber based fluorescence sensor for in-situ measurement and control of fuel cells
#654Water management in bipolar electrochemical cell stacks
#655Compound membrane and fuel cell using the same
#656Passive micro fuel cell
#657Fuel cell
#658Fuel cell membranes and catalytic layers
#659Liquid fuel mixing apparatus and direct liquid feed fuel cell system including the same
#660Fuel cell demineralizers integrated with coolant accumulator
#661Proton conductor, polymer electrolyte comprising the same and fuel cell employing the polymer electrolyte
#662Apparatus and method for variable conductance temperature control
#663Methods to control water flow and distribution in direct methanol fuel cells
#664Design, method and process for unitized mea
#665Fuel cell stack
#666Hydrophilic surface modification of bipolar plate
#667Rotable fuel cell system
#668Polymer electrolyte membrane fuel cell stack
#669Substituted nitrogen heterocycles as proton carriers for water-free proton exchange membranes for fuel cells
#670Fuel cell unit and method for controlling liquid volume
#671Rechargeable battery and method for fabricating the same
#672Fuel cell device
#673Solid polymer electrolyte fuel battery cell and fuel battery using same
#674Rechargeable fuel cell module
#675Fuel cell system
#676Apparatus and methods for generating water in a fuel cell system
#677Surface modifications of fuel cell elements for improved water management
#678Method of enhancing fuel cell water management
#679Water vapor transport power generator
#680Method of treating composite plates
#681Water filter for an electrochemical fuel cell system
#682Hydrophilic side-chain polymer, electrolyte membranes
#683Fuel cell system, electrical apparatus and method for recovering water formed in fuel cell system
#684Untreated diffusion media with mesoporous layer and devices incorporating the same
#685Diffusion media with hydrophobic and hydrophilic properties
#686Increasing the hydrophilicity of carbon fiber paper by electropolymerization
#687Fuel cell with electroosmotic pump
#688System for water reclamation from an exhaust gas flow of a fuel cell of an aircraft
#689Method for activating fuel cell
#690Method and apparatus for level control in a water tank of a fuel reformer
#691Non-humidified polymer electrolyte
#692Polymer electrolyte fuel cell and power generation device
#693AC impedance monitoring of fuel cell stack
#694Fuel cell device
#695Fuel cell system and purging method therefor
#696Integrated systems for use with fuel cells, and methods
#697Fuel cell and control method thereof
#698Temperature-based vehicle wakeup strategy to initiate fuel cell freeze protection
#699Liquid fuel feed fuel cell, electrode for fuel cell and methods for manufacturing same
#700Separator and fuel cell using that separator
#701Fuel cell stack
#702Solid polymer cell assembly
#703Polymer electrolyte fuel cell
#704Separator and fuel cell using that separator
#705Fuel cell apparatus
#706Balanced humidification in fuel cell proton exchange membranes
#707Temperature-based vehicle wakeup strategy to initiate fuel cell freeze protection
#708Water management layer on flowfield in PEM fuel cell
#709Structures of the proton exchange membranes with different molecular permeabilities
#710Integrated fuel cell system
#711Fuel cell flooding detection
#712Methods and apparatuses for managing effluent products in a fuel cell system
#713Controlled direct liquid injection vapor feed for a DMFC
#714Fuel cell
#715Coolant conditioning system and method for a fuel processing subsystem
#716Ventilation system for fuel cell water tank
#717Water disposal system, method of disposing water, and power generation apparatus
#718Method of operating a fuel cell with fuel recirculation
#719Fuel cell with passive water balance
#720Hydrogen/hydrogen peroxide fuel cell
#721Fuel cell system, operating method thereof, program and recording medium
#722Fuel cell system for low pressure operation
#723System for generating hydrogen and method thereof
#724Proton conductive composition and proton conductive membrane
#725Fuel cell system
#726Fuel cell having stack structure
#727Fuel cell and fuel cell system
#728Automatic measurement of fuel cell resistance
#729Self-hydrating membrane electrode assemblies for fuel cells
#730Nitric acid regeneration fuel cell systems
#731Fuel cell system
#732Fuel cell apparatus and method of controlling the same
#733Textured electrolyte for a solid oxide fuel cell
#734Fuel cell
#735Manufacturing process of layer lamination integrated fuel cell system and the fuel cell system itself
#736Internal PEM fuel cell water management
#737Mixed reactant molecular screen fuel cell
#738Gas-liquid separator and fuel cell
#739Membrane electrode assembly for a fuel cell
#740Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
#741Polymer electrolyte fuel cell system and operation method thereof
#742Diffusion media for use in a PEM fuel cell
#743Method for operating a PEM fuel cell system, and associated PEM fuel cell system
#744Untreated diffusion media with mesoporous layer and devices incorporating the same
#745Spatially varying diffusion media and devices incorporating the same
#746Fuel cell system
#747Diffusion media tailored to account for variations in operating humidity and devices incorporating the same
#748Matching of the local area-specific gas flows in PEM fuel cells
#749Compact multi-functional modules for a direct methanol fuel cell system
#750Porous fuel cell separator, method of manufacture thereof, and solid polymer fuel cell
#751Gas control and operation method of a fuel cell system for water and gas distribution
#752Carbon dioxide management in a direct methanol fuel cell system
#753Electrochemical cells comprising water-retaining components and methods of fabricating
#754Fuel cell motor system