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Fuel Cell patents

      

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




new patent 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.


new patent 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


new patent 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.


new patent 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


new patent 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.


new patent 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


new patent 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


new patent 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.


new patent 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


new patent 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.

new patent

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

new patent

Method for producing catalytically active powders from metallic silver or from mixtures of metallic silver with silver oxide for producing gas diffusion electrodes

The invention relates to an electrochemical method for producing catalytically active powder from mixtures of metallic silver, optionally with silver oxides, which are particularly suitable for use in oxygen-consuming electrodes, in particular for use in chlor-alkali electrolysis. The invention also relates to the use of said electrodes in chlor-alkali electrolysis or fuel cell technology or in metal/air batteries..
Covestro Deutschland Ag

new patent

Vinylidene fluoride copolymer and preparation method therefor

Provided in the present invention is a vinylidene fluoride copolymer. Same is acquired via a polymerization reaction taking place at conditions of 30-100° c.
Zhonghao Chenguang Research Nstitute Of Chemical Industry Company Limited

new patent

Integration of high-efficiency, lightweight solar sheets onto unmanned aerial vehicle for increased endurance

Some embodiments include a kit for supplying solar power in a battery-powered or fuel cell powered unmanned aerial vehicle (uav) by incorporating flexible solar cells into a component of a uav, affixing flexible solar cells to a surface of a uav, or affixing flexible solar cells to a surface of a component of a uav. The kit also includes a power conditioning system configured to operate the solar cells within a desired power range and configured to provide power having a voltage compatible with an electrical system of the uav.
Microlink Devices, Inc.

new patent

Multi-propulsion design for unmanned aerial systems

A propulsion system for a ducted fan vertical takeoff and landing aircraft (vtol) powered by multiple electric motors with two, counter rotating electric motors comprising the primary thrust generation within a ducted fan component and 3 or more external electric motors providing lift, stability and directional control of the aircraft. Through the use of counter rotating ducted fans, the aircraft does not require the need for internal stators—either fixed or adjustable angle.
Reference Technologies Inc

Microbial fuel cells

The present invention relates to microbial fuel cells, which can be prepared from easily available starting material. The microbial fuel cell of the present disclosure comprises an anode chamber having an anode and a cathode chamber having a cathode.
Srm University

Solid oxide fuel cell apparatus

The solid oxide fuel cell apparatus of the present invention comprises: multiple fuel cells mutually electrically connected to each other; an outside cylindrical member for housing the multiple fuel cells; an oxidant gas supply flow path for supplying oxidant gas to the fuel cells; a fuel gas supply flow path for supplying fuel gas to the fuel cells; a reforming portion for producing fuel gas by reforming raw fuel gas using steam; an evaporating portion for producing steam supplied to the reforming portion; and a fuel gas supply pipe for supplying water evaporated by the evaporating portion; wherein the evaporating portion comprises a sloped plate for dispersing water supplied from the fuel gas supply pipe over the entire evaporating portion using capillary action.. .
Toto Ltd.

Device and controlling starting fuel cell vehicle

A method for controlling starting of a fuel cell vehicle is provided. The method includes measuring a time interval for stopping of a fuel cell and a cell average voltage of the fuel cell when the fuel cell vehicle stops.
Hyundai Motor Company

Cooling system and operating cooling system

A cooling system of a vehicle having a fuel cell stack includes a pump for circulating a coolant in a coolant line passing through the fuel cell stack, a heater disposed on the coolant line for heating the coolant by electric power supplied by a drive motor of the vehicle, and a controller for operating the heater by a surplus electric power generated by the drive motor when a heat generation amount of the fuel cell stack is less than a first threshold value and a rotation speed of the pump is above a second threshold value, and for turning off the heater when the heat generation amount of the fuel cell stack is less than the first threshold value and the rotation speed of the pump is less than the second threshold value.. .
Hyundai Motor Company

Real-time monitoring and automated intervention platform for long term operability of fuel cells

Methods, apparatuses, and systems for real-time monitoring and automated intervention of a power generation. Embodiments may include receiving operating data from components of the power generation system.
Bloom Energy Corporation

Purge circuit of a fuel cell

A purging circuit for purging an anodic compartment of a cell of a fuel cell, this circuit including: a capacity, forming a related volume at least equal to 500 ml, for containing and homogenising a recovery gas, including an inlet and an outlet; a first nonreturn valve to prevent the recovery gas from returning through the outlet and allowing gas to flow from the first outlet to an inlet of the compartment; a second nonreturn valve to prevent gas from being discharged from the capacity through the inlet; a pressure sensor able to measure the pressure of a fluid present in the circuit; a valve controlling the flow of a supply gas to and from the compartment as a function of data of the sensor and allowing gas to flow from the first nonreturn valve to the inlet of the compartment.. .
Association Pour La Recherche Et Le DÉveloppement Des MÉthodes Et Processus Industriels

Fuel cell system

A fuel cell system includes a fuel cell for generating electrical power upon being supplied with anode gas and cathode gas. The fuel cell system includes a wetness control state determination unit that determines whether or not a wetness control of controlling a degree of wetness of an electrolyte membrane of the fuel cell is normally executed, a combined capacitance calculation unit that calculates a combined capacitance of the fuel cell, and an anode gas concentration control unit that determines the occurrence of decrease in an anode gas concentration in the fuel cell or executes a control for increasing the anode gas concentration if the combined capacitance of the fuel cell is smaller than a predetermined value when the wetness control is determined to be normally executed..
Nissan Motor Co., Ltd.

Integrated recirculating fuel cell system

A fuel cell containment system wherein fan exhaust is ducted in a manner that directs the flow of air into or from hydrogen storage system or other fuel cell component housing, creating an active ventilation of the storage system. During standby operations, cooling air supporting the control electronics may be ducted into the hydrogen storage system likewise creating an active ventilation of the hydrogen storage system..
Altergy Systems

Thermal conditioning fluids for an underwater cryogenic storage vessel

Technologies are described herein for conditioning fluids stored in an underwater cryogenic storage vessel designed for use in a fuel system of an underwater vehicle. According to one aspect of the disclosure, a fuel system includes a fuel cell and a storage vessel, which stores a first fluid that is supplied to the fuel cell and a second fluid that is produced by the fuel cell.
The Boeing Company

Integrated sealing for fuel cell stack manufacturing

A seal and corresponding method of manufacture of stacks enabled by the physical properties of the seal are provided. In the instance of a fuel cell or other electrochemical stack, the seal provides low-cost manufacturing and reliable/durable operation in high temperature (e.g., 120° c.
Trenergi Corp.

Molding process for making fuel cell components

An illustrative method of making a fuel cell component includes obtaining at least one blank plate including graphite and a polymer; establishing a temperature of the blank that is sufficient to maintain the polymer in an at least partially molten state; and applying a compression molding force to the blank until the polymer is essentially solidified to form a plate including a plurality of channels on at least one side of the plate. The blank plate has a central area having a first thickness.
Doosan Fuel Cell America, Inc.

Gas diffusion electrode substrate, and membrane electrode assembly and fuel cell equipped with same

A gas diffusion electrode substrate that is used in a fuel cell and is constituted by an electrode substrate and microporous parts, in which a microporous part (a) is formed on one surface of the electrode substrate with a thickness in the range of 10 μm or more and 60 μm or less, and in the gas diffusion electrode substrate, the pore volume of pores with a pore size of 0.1 μm or more and less than 10 μm is within the range of 0.9 times or more and 5 times or less of the pore volume of pores with a pore size of 10 μm or more and less than 100 μm.. .
Toray Industries, Inc.

Gas diffusion electrode substrate

A gas diffusion electrode substrate that is used in a fuel cell, wherein a microporous layer constituted by a carbon based filler and a fluororesin is formed on one surface of the electrode substrate, the sliding angle of water on the surface on the opposite side of the surface on which the microporous layer is formed is 30 degrees or less, and the through-plane gas permeation resistance is 15 to 190 mmaq.. .
Toray Industries, Inc.

Electrode catalyst for fuel cell, producing the same, and polymer electrolyte fuel cell using the same

A method for producing an electrode catalyst for a fuel cell is provided. The electrode catalyst includes a carbon support and a catalyst supported on the carbon support.
Cataler Corporation

Method for producing membrane electrode assembly, membrane electrode assembly, and polymer electrolyte fuel cell

A method for producing a membrane electrode assembly includes: a first step of disposing a transfer member including a gasket layer on an upper surface of a support base material; a second step of forming an electrode catalyst layer by coating an ink onto a portion of the upper surface of the support base material, exposed from the transfer member to form a layered body having the support base material, the transfer member, and the electrode catalyst layer; and a third step of pressing the layered body against a polymer electrolyte membrane having a contact surface to compression bond the gasket layer and the electrode catalyst layer to the contact surface.. .
Toppan Printing Co., Ltd.

Gas diffusion electrode substrate, and membrane electrode assembly and fuel cell provided therewith

A gas diffusion electrode substrate that, is used in a fuel cell and is constituted by an electrode substrate and microporous parts, in which a microporous part (a) is formed on one surface of the electrode substrate, and a microporous part (b) is formed in a part, of the inside of the electrode substrate, the gas diffusion electrode substrate having a part in which the microporous part (b) is continuously present from the electrode substrate surface on the side on which the microporous part (a) is formed to a position near the electrode substrate surf ace on the opposite side, and a part in which pores are continuously distributed front the electrode substrate surface on the side on which the microporous part (a) is formed to the electrode substrate surface on the opposite side.. .
Toray Industries, Inc.

Method for manufacturing separator of fuel cell stack

A method for manufacturing a separator of a fuel cell stack includes: forming a gasket on the separator of the fuel cell stack; masking a surface of the separator except for a region of the surface of the separator on which the gasket is formed; and inserting the partially masked separator into a chamber to cross-link the gasket.. .
Hyundai Motor Company

Apparatus and detecting leakage in hydrogen tank of hydrogen fuel cell vehicle

An apparatus and a method for detecting leakage in a hydrogen tank of a hydrogen fuel cell vehicle are provided. Particularly, leakage is detected due to failure of an airtight seal of a solenoid valve in a hydrogen tank based on a change of the sensing value of a high pressure sensor which represents a hydrogen tank pressure during a process of performing a wakeup operation at the time of key-off of a vehicle..
Hyundai Motor Company

Polymeric ion conductor with improved thermal characteristics

Values for the variables are as disclosed herein. The polymers provided can be employed as ion conductors, for example in fuel cells, and have improved thermal characteristics..

Driving control method and system of fuel cell vehicle

A driving control method and system for a fuel cell vehicle are provided. The driving control method includes monitoring, by a vehicle controller, information regarding vehicle conditions and entering a minimum driving mode when the monitored vehicle conditions meet minimum-driving-mode entry conditions.
Hyundai Motor Company

Control system for and control electric vehicle

To make a fuel cell stack reliably discharge at the time of vehicle collision, a control system for an electric vehicle is provided with a fuel cell stack generating electric power by an electrochemical reaction between fuel gas and oxidizing gas and supplying generated electric power to an electric motor for driving the vehicle, a first electrical resistor for discharge electrically connected to the fuel cell stack through an electrically controlled type discharge switch, a discharge control circuit controlling an on/off state of the discharge switch, and a collision detector detecting a vehicle collision and outputting a collision signal to the discharge control circuit. When a collision signal is input to the discharge control circuit, it turns the discharge switch on and electrically connects the fuel cell stack to the first electrical resistor for discharge, to thereby discharge the fuel cell stack.
Toyota Jidosha Kabushiki Kaisha

Hot press device and hot pressing membrane-electrode assembly of fuel cell

A hot press device presses one or more objects to be pressed at a predetermined temperature, and includes: a roller around which a roll on which the objects to be pressed are disposed at predetermined intervals is wound; hot plates which are disposed to face one surface of the objects to be pressed while corresponding to the roll supplied from the roller; press units which are disposed to push the hot plates on the objects to be pressed; and a pitch changing unit which moves the hot plates in a direction in which the roll is moved or in a direction opposite to a direction in which the roll is moved, in accordance with a distance between the objects to be pressed.. .
Hyundai Motor Company





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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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