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Fuel Cell patents

      

This page is updated frequently with new Fuel Cell-related patent applications.




 External manifold for minimizing external leakage of reactant from cell stack patent thumbnailExternal manifold for minimizing external leakage of reactant from cell stack
A fuel cell assembly has a plurality of fuel cell component elements extending between a pair of end plates to form a stack, and plural reactant gas manifolds mounted externally of and surrounding the stack, in mutual, close sealing relationship to prevent leakage of reactant gas in the manifolds to the environment external to the manifolds. The reactant gas manifolds are configured and positioned to maximize sealing contact with smooth surfaces of the stack and the manifolds.
Audi Ag


 Method of making a fuel cell device patent thumbnailMethod of making a fuel cell device
Two active cell structures are prepared each comprising anode/electrolyte/cathode layers, each anode and cathode layer having embedded spaced-apart physical structures therein. Two interconnect sublayers are prepared, each comprising a layer of non-conductive material with holes formed therein and a conductor layer formed on one surface.

 Apparatus for assembling fuel cell stack patent thumbnailApparatus for assembling fuel cell stack
An apparatus for assembling a fuel cell stack is provided. The apparatus exerts a force on fuel cell components stacked on a stacking guide and couples a pressed stacked body formed of the pressed fuel cell components by a fastening member.
Hyundai Motor Company


 Polymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same patent thumbnailPolymer electrolyte composition and polymer electrolyte membrane, polymer electrolyte membrane with catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell each using the same
An excellent polymer electrolyte composition has excellent chemical stability of being resistant to strong oxidizing atmosphere during operation of fuel cell, and achieves excellent proton conductivity under low-humidification conditions, excellent mechanical strength and physical durability. A polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell each use the same.
Ford Motor Company


 Proton conductor,  producing proton conductor, and fuel cell patent thumbnailProton conductor, producing proton conductor, and fuel cell
A proton conductor includes a coordination polymer having stoichiometrically metal ions, oxoanions, and proton coordinating molecules capable of undergoing protonation or deprotonation. The coordination polymer including coordination entities that are repeatedly coordinated to bond the coordination entities with one another.
Kyoto University


 Device and  manufacturing membrane-electrode assembly of fuel cell patent thumbnailDevice and manufacturing membrane-electrode assembly of fuel cell
A manufacturing device of a membrane-electrode assembly for a fuel cell bonds each of anode and cathode catalyst electrode layers continuously formed in upper and lower electrode films to upper and lower surfaces of an electrolyte membrane. The device includes: upper and lower bonding rolls respectively installed to upper and lower sides of a transport path of the electrolyte membrane and of the upper and lower electrode films, the bonding rolls pressing the catalyst electrode layers to the upper surface and the lower surface of the electrolyte membrane at a predetermined temperature to be transferred, and upper and lower adsorbents respectively disposed at the upper and lower sides of the transport path in an entry side of the upper and lower bonding rolls, installed to be reciprocally moved along the transport path, and selectively adsorbing the upper and lower electrode films..
Hyundai Motor Company


 Resource tower patent thumbnailResource tower
Invented is a resource tower that uses water electrolysis to separate out its elemental and purified h2 hydrogen gas and o2 oxygen gas. These gases form a pressurized flow for electricity generation for distribution and transport to heights atop the resource tower.

 Method for synchronizing voltage of fuel cell vehicle patent thumbnailMethod for synchronizing voltage of fuel cell vehicle
A method for synchronizing voltages of a fuel cell vehicle may synchronize the voltages of high voltage components in real time regardless of the completion of vehicle start-up in order to improve performance and control precision within a full range of operable voltages. The method includes a default voltage synchronization step in which, when the fuel cell vehicle starts, the voltages of the high voltage components are corrected based on an offset value, stored in advance in multiple auxiliary controllers for controlling the high voltage components, and the corrected voltages are further corrected according to a default voltage synchronization command of a main controller; and a real-time voltage synchronization step in which, after the default voltage synchronization step, the main controller transmits a target offset value to the auxiliary controllers, and the auxiliary controllers correct the voltages based on the target offset value..
Hyundai Motor Company


 Method and system for controlling start of fuel cell patent thumbnailMethod and system for controlling start of fuel cell
A system and method of controlling a start of a fuel cell are provdied. The method includes comparing a derived internal temperature of a stack and a predetermined reference temperature value and determining whether the internal temperature of the stack is less than the reference temperature value when an on signal of the start of the fuel cell is received.
Hyundai Motor Company


 Multi-fluid nozzles patent thumbnailMulti-fluid nozzles
A fuel cell nozzle includes a fuel circuit receiver configured to receive a fuel circuit and an air circuit. At least a portion of the air circuit is integrally formed with the fuel circuit receiver.
Delavan Inc


Fuel cell device and system

A fuel cell device is provided having an active central portion with an anode, a cathode, and an electrolyte therebetween. At least three elongate portions extend from the active central portion, each having a length substantially greater than a width transverse thereto such that the elongate portions each have a coefficient of thermal expansion having a dominant axis that is coextensive with its length.

Resin-framed membrane electrode assembly and fuel cell

A solid polymer electrolyte membrane is made from a solid polymer electrolyte membrane roll in which a solid polymer electrolyte membrane sheet is wound in a winding direction. A first electrode is disposed on a first surface of the solid polymer electrolyte membrane in a stacking direction.
Honda Motor Co., Ltd.

Coating seperator for fuel cell and seperator for fuel cell

A coating method of a separator for a fuel cell includes steps of vaporizing a precursor to prepare a precursor gas; introducing the precursor gas and a reactive gas into a reaction chamber; and forming a coating layer on a base material by applying a voltage to the reaction chamber to change the precursor gas and the reactive gas into a plasma state.. .
Hyundai Motor Company

Bipolar plate and fuel cell

A bipolar plate (100) for a fuel cell includes at least one profiled flow field (120) with at least two flow field channels (121, 122, 123, 124) and an associated inlet channel (111, 112, 113, 114) and an associated outlet channel (131, 132, 133, 134) for each of the flow field channels (121, 122, 123, 124). Here, different inlet channels (111, 112, 113, 114) are of different lengths, and different outlet channels (131, 132, 133, 134) are of different lengths.
Volkswagen Ag

Stainless-steel foil for separator of polymer electrolyte fuel cell

The surface of a substrate made of stainless-steel foil is coated with a sn alloy layer, with a strike layer in between. The coating ratio of the strike layer on the substrate is 2% to 70%..
Jfe Steel Corporation

Method for producing fuel cell catalyst

The present invention is to provide a method for producing a fuel cell catalyst that is configured to be able to increase the power generation performance of a membrane-electrode assembly. Disclosed is a method for producing a fuel cell catalyst, wherein the method comprises: a mixing step in which, by mixing a platinum-containing solution, a titanium-containing solution and an electroconductive support in a solvent, a catalyst precursor in which a platinum ion compound and a titanium ion compound are supported on the electroconductive support, is formed; a solvent removing step in which, by removing the solvent from a mixture thus obtained after the mixing step, the catalyst precursor is obtained; a firing step in which, by firing the catalyst precursor at a temperature of 500 to 900° c.
Toyota Jidosha Kabushiki Kaisha

Power supply apparatus

A power supply apparatus for providing electrical power, the power supply apparatus configured to be coupled to an electronic device to supply power thereto to charge a battery of the electronic device, the apparatus comprising a fuel cell configured to receive a supply of a fuel for generating said electrical power, the apparatus further including a controller configured to determine the power flow to the electronic device to interrupt the supply of power to the electronic device prior to the battery of the electronic device reaching a fully charged state.. .
Intelligent Energy Limited

A clamp assembly for a fuel cell stack and a assembling a fuel cell stack

A clamp assembly for securing a fuel cell stack arrangement in a compressed condition. The stack includes an electrode assembly interposed between upper and lower current collectors, supportable between upper and lower endpiate structures.
University Of Cape Town

Composite proton conducting electrolyte with improved additives for fuel cells

Improved additives can be used to prepare polymer electrolyte for membrane electrode assemblies in polymer electrolyte fuel cells. Use of these improved additives can not only improve durability and performance, but can also provide a marked performance improvement during initial conditioning of the fuel cells.
Ford Motor Company

Fuel cell system with improved thermal management

There is disclosed a high temperature fuel cell system incorporating off-gas anode loop recycling and reforming. The fuel cell system includes a fuel cell stack having an anode inlet for fuel and an anode outlet for off-gas.
Lg Fuel Cell Systems Inc.

Systems and methods for detecting anode contamination in a fuel cell system

System and methods for detecting anode contamination in a fuel cell system are presented. In certain embodiments, a high frequency resistance response of a fuel cell system may be measured at a plurality of frequencies.
Gm Global Technology Operations Llc

Electrochemical hydrogen sensor for global/local hydrogen starvation detection in pem fuel cells

A fuel cell stack hydrogen starvation detection device, a fuel cell system and a method of operating a fuel cell stack to protect it from hydrogen starvation conditions. In one particular form, the fuel cell system includes a stack of fuel cells, a controller and a detection device made up of one or more sensors that can compare a reference signal corresponding to the presence of substantially pure hydrogen to a signal that corresponds to a local hydrogen value within a single fuel cell within the stack or across multiple fuel cells within the stack.
Gm Global Technology Operations Llc

Bipolar plate and fuel cell comprising same

A bipolar plate for a fuel cell, including a profiled anode plate and a profiled cathode plate each having an active region and two distributor regions with an anode gas main port for feeding and discharging fuel, a cathode gas main port for feeding and discharging oxidation agents, and a coolant main port for feeding and discharging coolant, these being arranged along a side edge. The bipolar plate includes channels connecting the operator media main ports to the active region, and the distributor regions including at least one overlap section in which the channels intersect one another in a non-fluidically connecting manner.
Volkswagen Ag

Fuel cell system

A fuel cell system includes a fuel cell; and a control unit that is configured to set a target current value of the fuel cell based on an output request for the fuel cell, predict that a voltage drop of the fuel cell occurs in a high current region of the fuel cell, based on an output voltage value of the fuel cell in a low current region of the fuel cell, if an output current value of the fuel cell is in the low current region and the target current value is above a current threshold that is set in the high current region, reset the target current value to a current value that is smaller than the set target current value, if it is predicted that the voltage drop occurs, and change the output current value of the fuel cell to the reset target current value.. .
Toyota Jidosha Kabushiki Kaisha

Fuel cell and manufacturing fuel cell (as amended)

A fuel cell comprises a membrane electrode assembly configured such that electrode catalyst layers are formed on respective surfaces of an electrolyte membrane; gas diffusion layers placed on respective surfaces of the membrane electrode assembly; and a frame placed around periphery of the membrane electrode assembly. The membrane electrode assembly has a protruding portion that is configured by protruding outside of the gas diffusion layer in a state that the membrane electrode assembly is combined with the gas diffusion layers.
Toyota Jidosha Kabushiki Kaisha

Porous current collector, fuel cell, and producing porous current collector

An inexpensive porous current collector having high durability is provided by forming a silver layer having high strength on a current collector formed from a nickel porous base material. Porous current collectors 8a and 9a are used in a fuel cell 101 including a solid electrolyte layer 2, a first electrode layer 3 on one side of the solid electrolyte layer, and a second electrode layer 4 on the other side.
Sumitomo Electric Industries, Ltd.

Fuel cell

A fuel cell comprises an anode, a cathode, and a solid electrolyte layer disposed between the anode and the cathode. The cathode includes a main phase configured by a perovskite oxide including at least one of la or sr at the a site and that is expressed by the general formula abo3, and a secondary phase configured by strontium oxide.
Ngk Insulators, Ltd.

Functionalized triptycene polymers and their uses

Embodiments described herein relate to compositions including iptycene-based structures. Some embodiments provide compositions including polymers having a backbone comprising an iptycene-based compound.
Massachusetts Institute Of Technology

Polymer electrolyte membrane, catalyst coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell

A polymer electrolyte composition is excellent in practicality which has such an excellent chemical stability as to be able to withstand a strong oxidizing atmosphere during operation of a fuel cell and is capable of achieving excellent proton conductivity under a low-humidified condition and excellent mechanical strength and physical durability as well as a polymer electrolyte membrane, a membrane electrode assembly, and a polymer electrolyte fuel cell which use the polymer electrolyte composition. The polymer electrolyte membrane is a polymer electrolyte membrane that contains at least an ionic group-containing polymer electrolyte and a polyazole, which is a polymer electrolyte membrane in which a phase separation of 2 nm or larger in which the polyazole is a main component is not observed in transmission type electron microscopic observation..
Toray Industries, Inc.

Generation of oxygen depleted air by a fuel cell system

The present disclosure is directed to a fuel cell system for generating oxygen depleted air. The fuel cell system may include a fuel cell having an anode, a cathode, and an electrolyte positioned between the anode and the cathode.
Nuvera Fuel Cells, Llc

Fuel cell system

A fuel cell system includes: a wetness target value calculating unit configured to calculate a target value of a wet state of the fuel cell; a gas required flow rate calculating unit configured to calculate a cathode gas required flow rate on the basis of a power generation request to the fuel cell; a wetness-control anode gas flow rate calculating unit configured to calculate a wetness-control anode gas circulation flow rate at least on the basis of the wetness target value and the cathode gas required flow rate during a dry control; an anode gas flow rate control unit configured to control an anode gas circulation flow rate on the basis of the wetness-control anode gas circulation flow rate; a wetness-control cathode gas flow rate calculating unit configured to calculate a wetness-control cathode gas flow rate at least on the basis of the wetness target value and a measured value or estimated value of the anode gas circulation flow rate during the dry control; and a cathode gas flow rate control unit configured to control a cathode gas flow rate on the basis of the cathode gas required flow rate and the wetness-control cathode gas flow rate.. .
Nissan Motor Co., Ltd.

Stack protection method in case of emergency shut down or black out in solid oxide fuel cell system

The present invention relates to a stack protection method in case of emergency shut down or black out in a solid oxide fuel cell system and, more particularly, to a system and a method for, if supply of fuel gas and water to an anode channel of a stack is discontinued due to emergency shut down or black out, etc. In a solid oxide fuel cell system, preventing an anode from being contaminated by oxygen in the air and preventing re-oxidation of an anode material from occurring and cracks from forming on the stack due to the contamination.
Postech Academy-industry Foundation

Reducing heat loss from a lightweight vacuum insulated vessel

Systems and methods for producing a lightweight vacuum insulated vessel are provided herein. An exemplary vessel is of a non-radially symmetric shape and maintains vacuum pressure between two concentric containers (an inner container and outer container).
Ardica Technologies, Inc.

Humidification a fuel cell

A humidification system for a fuel cell may include a condenser configured to receive fluid output from a cathode of the fuel cell and cool the fluid to extract water from it. A heat exchanger operable to transfer heat from a heat source to an airflow flowing through the heat exchanger may also be included.
Ford Global Technologies, Llc

Fuel cell separator with gasket for improved sealing

A fuel cell separator with a gasket for improved sealing is provided. The fuel cell separator with a gasket is capable of improving the contact pressure of a cooling surface-side airtight line by additionally forming a sub-airtight line in a region in which a gas aperture is not formed at a cooling surface-side position that corresponds to the cooling surface-side airtight line of the separator..
Hyundai Motor Company

Resin frame equipped membrane electrode assembly for fuel cell

A resin frame equipped membrane electrode assembly includes an mea having different sizes of components and a resin frame member. A clearance is formed between an outer end of a second gas diffusion layer and an inner expansion.
Honda Motor Co., Ltd.

Nitrogen-containing carbon material and process for producing nitrogen-containing carbon material, and slurry, ink, and electrode for fuel cell

A nitrogen-containing carbon material containing a nitrogen atom, a carbon atom, and a metal element x, in which the atomic ratio (n/c) of the nitrogen atom to the carbon atom is 0.005 to 0.3, the content of the metal element x is 0.1 to 20% by mass, and the average particle diameter is 1 to 300 nm.. .
Asahi Kasei Kabushiki Kaisha

Surface modified sofc cathode particles and methods of making same

A novel method to modify the surface of lanthanum and strontium containing cathode powders before or after sintering by depositing layers of gadolinium doped ceria (gdc) and/or samarium doped ceria or similar materials via atomic layer deposition on the powders. The surface modified powders are sintered into porous cathodes that have utility enhancing the electrochemical performance of the cathodes, particularly for use in solid oxide fuel cells.

Membrane-electrodes assembly for proton exchange fuel cells (pemfc), and manufacturing method

A membrane-electrode assembly (mea) including a membrane and two electrodes, and further at least one layer located at the interface of the membrane and of an electrode. The layer contains a proton conductive polymer which has a glass transition temperature lower than or equal to, advantageously lower than, that of the proton conductive polymer contained in the membrane..
Commissariat A L'energie Atomique Et Aux Energies Alternatives





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This listing is a sample listing of patent applications related to Fuel Cell for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Fuel Cell with additional patents listed. Browse our RSS directory or Search for other possible listings.


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