|| List of recent Fuel Cell-related patents
| On-chip integrated processing and power generation|
A self-powered processing device comprises both a processing device and a power generator that are physically, electrically, and thermally coupled to one another. The power generator can be a fuel cell that can be manufactured from materials that can also support processing circuitry, such as silicon-based materials.
| Methods and apparatus for sensing the internal temperature of an electrochemical device|
The internal temperature of an electrochemical device may be probed without a thermocouple, infrared detector, or other auxiliary device to measure temperature. Some methods include exciting an electrochemical device with a driving profile; acquiring voltage and current data from the electrochemical device, in response to the driving profile; calculating an impulse response from the current and voltage data; calculating an impedance spectrum of the electrochemical device from the impulse response; calculating a state-of-charge of the electrochemical device; and then estimating internal temperature of the electrochemical device based on a temperature-impedance-state-of-charge relationship.
| Operating process for a fuel cell system|
A process for operating a fuel cell system (2), which is arranged in a vehicle (1) having a tachograph (6) and an internal combustion engine (3), and used for power supply of at least one electrical component (10) of the vehicle (1) with the internal combustion engine (3) switched off. With the fuel cell system (2) switched off, the control device (4) receives from the tachograph (6) a foreseeable break start time of an operating break following a drive mode, which is legally prescribed and/or planned by the driver of the vehicle (1), at which the internal combustion engine (3) is switched off.
| Cathode catalysts for fuel cells|
A method of preparation of metal-chalcogen-nitrogen-carbon (m-ch-n—c) catalytic material utilizing a sacrificial support approach and using inexpensive and readily available precursors is described. Furthermore, the catalytic materials synthesized using the disclosed methods include multiple types of active sites..
| Method for examining reaction layer for fuel cell|
The purpose of the present invention is to grasp the state in which hydrophilic groups of an electrolyte are distributed in a reaction layer for fuel cells. Nitric acid groups are bonded to hydrophilic groups (sulfonic acid groups) contained in a reaction layer for fuel cells, and metal ions capable of forming a nitrosyl complex with the nitric acid groups, e.g., ruthenium ions, are introduced into the reaction layer to dye the nitric acid groups bonded to the hydrophilic groups contained in the reaction layer.
| Fuel cartridge with connecting valve|
A shut-off valve or connecting valve capable of connecting a fuel supply to a fuel cell is disclosed. The valve comprises a first valve component and a second valve component.
| Monomers and polymers carrying imidazole and benzimidazole groupings, and proton exchange membrane containing the same for the production of a fuel cell|
The invention relates to a monomer (6, 14) carrying an imidazole-type heterocycle (3). According to the invention, the chemical structure of said monomer (6, 14) comprises at least one unit of formula (i) wherein r1 comprises an alkenyl grouping and r2 comprises a grouping for protecting one of the nitrogen atoms of the heterocycle.
| Anion exchange membrane, method for producing the same, and fuel cell using the same|
A method of the present invention for producing an anion exchange membrane includes the steps of: (i) irradiating a first polymer film with radiation; and (ii) graft-polymerizing a monomer containing a site into which a functional group having anion conducting ability can be introduced and an unsaturated carbon-carbon bond onto the radiation-irradiated first polymer film so as to form a second polymer film containing grafted chains. This method further includes the subsequent steps of: (a) subjecting the second polymer film to a treatment including irradiation with radiation so as to introduce a crosslinked structure into the grafted chains; and (b) introducing the functional group having anion conducting ability into the site..
| Proton exchange membrane fuel cell|
The invention relates to a proton exchange membrane fuel cell and a method of designing the same. A method of designing a proton exchange membrane fuel cell comprising a gas diffusion layer is described.
| Stainless separator for fuel cell and method of manufacturing the same|
A stainless steel separator for fuel cells and a method of manufacturing the same are disclosed. The method includes preparing a stainless steel sheet as a matrix, performing surface modification on a surface of the stainless steel sheet to form a cr-rich passive film having a comparatively increased amount of cr in a superficial layer of the stainless steel sheet by decreasing an amount of fe in the superficial layer of the stainless steel sheet, and forming a coating layer on the surface of the surface-modified stainless steel sheet.
| Internally controllable fuel cell|
Fuel cell and/or high-pressure electrolysis cell and a fuel cell membrane arrangement for improved control of a fuel cell by an actuator connected to the fuel cell membrane.. .
| Fuel cell water drain valve control with vehicle tilt compensation|
System and methods for removing water and/or other liquids from a fuel cell system at a variety of vehicle tilt orientations are disclosed. In certain embodiments, a method for regulating a sump system in a vehicle may include receiving orientation information from one or more orientation sensors associated with the vehicle and/or the sump system.
| Charging device for a fuel cell, in particular of a motor vehicle|
A charging device for a fuel cell includes a turbine having a housing part with a receiving chamber in which a turbine wheel of the turbine is received so as to be rotatable relative to the housing part about an axis of rotation. The turbine wheel includes impeller vanes via which a medium, in particular a gaseous waste gas of the fuel cell, can flow against the turbine wheel in an inlet region, and which are curved forwards at least in the inlet region..
| Fuel cell header wedge|
A fuel cell system may include a fuel cell stack having a header and active area in fluid communication with the header. The fuel cell system may also include a wedge disposed within the header and configured to alter the cross-sectional area of the header along the length of the stack such that, during operation of the stack, a flow velocity of gas through the active area is generally constant..
| Fuel cell using synthetic jet array|
A fuel cell using a synthetic jet array has a structure in which a plurality of cells are superposed in series and share a manifold for inflow and outflow of air, hydrogen, and coolant. The fuel cell includes an air inflow manifold formed passing through the plurality of cells, a synthetic jet array made up of a plurality of jet generators that are disposed on the air inflow manifold at regular intervals and generate a synthetic jet toward a cathode, and a controller configured to selectively operate the jet generators of the synthetic jet array..
| System for controlling temperature in a fuel cell|
Methods, articles, and systems for controlling the internal operating temperature of fuel cell systems, such as planar fuel cell arrays. The heat management system conducts heat away from the fuel cell without disturbing the flow of gases around the fuel cell layer and without the need for the equipment to disturb the flow of gases around the fuel cell layer.
| Fuel cell stack discrete header|
A fuel cell system comprises a main body including a first partial header and a fastening point. The main body is adapted to be coupled to a plurality of plates forming a fuel cell stack, allowing a single plate design to be used for multiple fuel cell stack lengths having a large differential of energy requirements, affording a durable alignment mechanism for the fuel cell stack, and providing integration flexibility for components and configurations of the fuel cell system..
| Electrolyte generation within a fuel cell|
An exemplary method of providing an electrolyte for a fuel cell comprises including a electrolyte precursor within a fuel cell. An electrolyte is generated within the fuel cell from the precursor.
| System and method for emergency starting of fuel cell vehicle|
A system and method for emergency starting of a fuel cell vehicle is provided. In particular, a high-voltage converter, a balance of power (bop), and a controller are included in the system.
| Fuel cell vehicle|
In this fuel cell vehicle, a radiator, a protruding region of a casing, and a connecting bar of a fuel cell stack are arranged in a front box in the listed order from the front toward the rear in the direction in which the vehicle travels. A first end plate and a second end plate are fixed directly on a frame member via mounting members, and the frame member is fixed to a vehicle body frame.
| Downhole fuel cell with steam adsorption and pressure compensation|
A fuel cell for use in downhole applications stores steam created by the chemical reaction in a desiccant like zeolite. The fuel cell also uses ambient hydrostatic pressure to increase cell voltage and power-density..
| Chloro- and bromo-fluoro olefin compounds useful as organic rankine cycle working fluids|
Wherein r1, r2, r3, and r4 are each independently selected from the group consisting of: h, f, cl, br, and c1-c6 alkyl, at least c6 aryl, at least c3 cycloalkyl, and c6-c15 alkylaryl optionally substituted with at least one f, cl, or br, wherein formula (i) contains at least one f and at least one cl or br, provided that if any r is br, then the compound does not have hydrogen. The working fluids are useful in rankine cycle systems for efficiently converting waste heat generated from industrial processes, such as electric power generation from fuel cells, into mechanical energy or further to electric power.
|Furnace with an integrated flame assisted fuel cell for combined heating and power|
The present invention relates to a flame-assisted fuel cell (ffc) and, more particularly, to the integration of a ffc in a fuel fired furnace or boiler to enable the generation of both electricity and heat from the fuel's chemical energy, transforming the furnace/boiler into a combined heating and power (chp) system.. .
|Membrane electrode assembly for polymer electrolyte fuel cell, method for producing the same and polymer electrolyte fuel cell|
A membrane electrode assembly for a polymer electrolyte fuel cell having higher power-generating characteristics in a high-temperature, low-humidity environment, and a polymer electrolyte fuel cell using the same. In this membrane electrode assembly for a polymer electrolyte fuel cell provided with electrode catalyst layers, which include at least a proton-exchange polymer and carbon-supported catalyst, on both surfaces of a polymer electrolyte membrane, the resistance (ri) of the proton-exchange polymer of the electrode catalyst layers is at least about 2 Ωcm2 but not more than about 5 Ωcm2 under measurement conditions of 20% relative humidity and an ac impedance of 10 khz to 100 khz..
|Fuel cell system|
A group of fuel gas system devices are provided at a first end plate of a fuel cell system through a block member. A cover member is provided at the first end plate to cover the group of the fuel gas system devices.
|Polymer electrolyte composition, electrolyte membrane, membrane-electrode assembly and fuel cell|
Provided are a polymer electrolyte composition, an electrolyte membrane, a membrane electrolyte assembly, and a fuel cell. The polymer electrolyte composition according to an exemplary embodiment of this application includes a first solvent, a second solvent which is different from the first solvent, and a polymer which is reacted with the first solvent and the second solvent, in which the polymer includes a functional group which reacts with the first solvent by a first reaction energy and with the second solvent by a second reaction energy, and the second reaction energy is smaller than the first reaction energy..
|Systems and methods for controlling cabin heating in fuel cell vehicles|
System and methods for controlling and optimizing coolant system parameters in a fuel cell system to obtain a requested cabin temperature in a fuel cell vehicle are presented. A method for managing a temperature in a vehicle cabin may include receiving an indication relating to a desired vehicle cabin temperature and a plurality of measured operating parameters.
|Fuel generator and secondary battery-type fuel cell system equipped with same|
This fuel generator is equipped with fine particles of a fuel-generating agent (1) that generates fuel by an oxidation reaction with an oxidizing gas and can be regenerated by a reduction reaction with a reducing gas, and a porous member (3). The fine particles of the fuel-generating agent (1) are dispersed and disposed in the interior of the porous member(3)..
|Method and system for liquid fuel desulphurization for fuel cell application|
A method for desulphurization of a liquid fossil fuel to be used in connection with a fuel cell is performed in a system comprising an evaporator unit (1), wherein the liquid fuel is first evaporated, a fixed bed reactor (2) in the form of a gas-phase hydro-desulphurizer, where the fuel is treated with hydrogen at atmospheric pressure over a highly active hydro-cracking (haht) catalyst, whereby sulphur species are converted to h2s, an adsorber (3), where the produced hydrogen sulphide can be adsorbed on a catalytic bed, and a fuel reformer (4), in which the fuel product is converted to syngas to be fed to an sofc system (6). The evaporator unit (1) comprises a liquid spraying device, preferably in the form of a piezoelectric spray nozzle..
|Device for discharging liquid|
A device (13) for discharging liquid water from a water separator (12) in a fuel cell system (1), having a valve device (15), a liquid sensor (16) and a control unit (17) which controls the valve device (15) depending on measured values of the liquid sensor (16). The liquid sensor (16) is arranged downstream of the valve device (15) in the flow direction..
|Apparatus and method for controlling cooling of electronic components of fuel cell vehicle|
An apparatus and method for controlling cooling of electronic components of a fuel cell vehicle are provided. The apparatus for controlling cooling of electronic components connected in series and parallel with a coolant loop in a fuel cell vehicle using a pump includes a monitor configured to collect measured temperature of the electronic components and a measured temperature of a coolant through a plurality of temperature sensors, and a controller configured to control the rpm of the pump based on the measured temperatures and at least one of electronic component temperature maps, a coolant temperature map and a temperature difference map representing temperature differences between the electronic components and coolant, the controller controlling the rpm of the pump using over-temperature set information and over-temperature reset information of each temperature map..
|Carbon fiber composite, method for producing same, catalyst support and polymer electrolyte fuel cell|
An improved catalyst support can be provided by a process for producing a carbon fiber composite which comprises: a step of subjecting metal fine particles of either at least one metal or a compound containing the metal to reductive deposition on fine cellulose having carboxyl groups on the crystal surface to make a composite composed of both the fine cellulose and the metal fine particles; and a step of carbonizing the fine cellulose of the composite to prepare a carbon fiber composite. The invention also relates to a carbon fiber composite made by the process, a catalyst support, and a polymer electrolyte fuel cell..
|Fuel cell electrode and method for manufacturing membrane-electrode assembly using the same|
The present invention provides a fuel cell electrode, which has increased physical and chemical durability, and a method for manufacturing a membrane-electrode assembly (mea) using the same. According to the present invention, the fuel cell electrode is manufactured by controlling the amount of platinum supported on a first carbon support used in an anode to be smaller than that used in a cathode to increase the mechanical strength of a catalyst layer and maintain the thickness of the catalyst layer after prolonged operation and by adding carbon nanofibers containing a radical scavenger to a catalyst slurry to decrease deterioration of chemical durability..
|Amorphous carbon film, process for forming amorphous carbon film, electrically conductive member and fuel cell bipolar plate having amorphous carbon film|
An amorphous carbon film contains carbon as a main component, not more than 30 at. % of hydrogen, not more than 20 at.
|Repeating unit for a fuel cell stack|
A repeating unit (10) for a fuel cell stack comprises a gas conducting region (8) for conducting a first gas (12) to and along an active surface (14). A barrier (16) is located in the gas conducting region.
|Integrated gas diffusion layer with sealing function and method of making the same|
The present invention relates to the field of fuel cell technology and, more particularly, relates to an integrated gas diffusion layer with a sealing function and a method of making the same. The integrated gas diffusion layer includes a gas diffusion member and a sealing member having fuel inlet and outlet openings, oxidant inlet and outlet openings, and coolant inlet and outlet openings.
An electrocatalyst suitable for use in a fuel cell, the electrocatalyst comprising: palladium, iridium and an anionic polymer.. .
|Nitrogen-containing carbon alloy, method for producing same, carbon alloy catalyst, and fuel cell|
A problem to be solved by the invention is to provide a production method of a nitrogen-containing carbon alloy that has sufficiently high redox activity or has a large number of reaction electrons of redox reaction. A method for producing a nitrogen-containing carbon alloy comprising baking a precursor containing a nitrogen-containing organic compound and an inorganic metal salt containing one or more kinds of fe, co, ni, mn and cr, wherein: the precursor satisfies one of the requirements (a) and (b) below, and, the nitrogen-containing organic compound is one of a compound represented by the formula (1) below, a tautomer of the compound, and a salt and hydrate thereof: (a) the precursor contains the inorganic metal salt in an amount exceeding 45% by mass based on the total amount of the nitrogen-containing organic compound and the inorganic metal salt of the precursor, in which the total amount includes the mass of hydrated water in the nitrogen-containing organic compound and the inorganic metal salt, and the amount of the inorganic metal salt includes the mass of hydrated water in the inorganic metal, (b) the precursor further contains a β-diketone metal complex:.
A unit cell of a fuel cell includes a membrane electrode assembly and a cathode side separator and an anode side separator sandwiching the membrane electrode assembly. An oxygen-containing gas supply passage connected to an oxygen-containing gas flow field is formed in the cathode side separator.
|Production method for a tubular fuel cell having a two-layer cap region of the support body|
The invention relates to a method for producing a tubular fuel cell by means of a pulling-core tool (11), wherein the pulling-core tool (11) comprises at least one tool part (12a, 12b) that forms a cavity and a pulling core (13) that can be positioned in at least two positions (a, b) in the cavity, wherein a hollow space (14, 14a) can be formed between the pulling core (13) and the at least one cavity-forming tool part (12a, 12b), which hollow space substantially corresponds to the shape of a tubular body to be formed, said tubular body being closed at one end by a cap section, wherein the pulling-core tool (11) has at least one sprue channel (15) that opens into the hollow-space region (14a) having the shape of the cap section. The method comprises the following method steps: a) injecting a first injection-molding component (1) for forming a ceramic and/or vitreous material into the pulling-core tool (11) through the sprue channel (15), wherein the pulling core (13) is positioned in a first position (a); b) positioning the pulling core (13) in a second position (b), in which the pulling core (13) is further from the sprue channel (15) than in the first position (a); and c) injecting a second injection-molding component (2) different from the first for forming a ceramic and/or vitreous material into the pulling-core tool (11) through the sprue channel (15).
|Fuel cell electrode with gradient catalyst structure|
An example of a stable electrode structure is to use a gradient electrode that employs large platinum particle catalyst in the close proximity to the membrane supported on conventional carbon and small platinum particles in the section of the electrode closer to a gdl supported on a stabilized carbon. Some electrode parameters that contribute to electrode performance stability and reduced change in eca are platinum-to-carbon ratio, size of platinum particles in various parts of the electrode, use of other stable catalysts instead of large particle size platinum (alloy, etc), depth of each gradient sublayer.
A fuel cell has a membrane electrode assembly forming a catalytic reaction plane region, a gas diffusion layer disposed on a main surface of the membrane electrode assembly, a separator disposed on a main surface of the gas diffusion layer, an electroconductive member, which is disposed between the gas diffusion layer and the separator and outside the catalytic reaction plane region, and which electrically connects the gas diffusion layer and the separator, and a penetration resistance reduction member that makes a penetration resistance between the gas diffusion layer and the separator, passing through the electroconductive member, smaller than a penetration resistance between the gas diffusion layer and the separator in the catalytic reaction plane region.. .
|Membrane-electrode assembly, direct carbon fuel cell including the same, and method of preparing the same|
Disclosed herein is a direct carbon fuel cell in which a coal fuel is oxidized electrochemically so as to create electrons to cause the electrons to generate electricity by a voltage difference between two electrodes. Specifically, a membrane-electrode assembly for operating a low rank coal fuel, a direct carbon fuel cell including the same, and a method of preparing the same are provided..
|Fuel cell stack|
A fuel cell stack includes a plurality of stacked fuel cell units and at least one stack end element that are clamped a clamping device. The clamped fuel cell units are surrounded by a housing.
|Fuel cell assembly and method of making same|
A method of fabricating a fuel cell component for use with or as part of a fuel cell in a fuel cell stack, the method comprising: providing a fuel cell component, providing a deposition assembly for depositing loading material particles onto the fuel cell component, and actuating the deposition assembly to cause the deposition assembly to deposit said loading material particles onto said fuel cell component.. .
|Method sensor and regulation apparatus for regulating gas operated energy converter plants|
A method for the combined controlled regulation of fuel gas-oxygen carriers of a gas operated energy converter plant (15), in particular of a fuel cell plant, is provided in which the mass or volume through flow of the fuel gas (1) and/or of the oxygen carrier (2) is detected in order to regulate the mixing ratio (r) of fuel gas to oxygen carrier. In the method at least two physical parameters of the fuel gas are additionally determined using a micro thermal sensor (3.1, 3.2), for example, the mass flow and/or volume through flow of the fuel gas and the thermal conductivity or thermal capacity of the fuel gas are determined and a desired value for the mixing ratio is determined from the physical parameters which depends on the fuel gas or on the composition of the fuel gas, and which desired value is used for the regulation of the mixing ratio..
|Systems and methods to determine cathode inlet pressure limits in a fuel cell system|
System and methods for setting pressure limits for an air supply of a fuel cell (“fc”) system are presented. Certain embodiments disclosed herein may allow a fc system to calculate a minimum and a maximum fc stack cathode inlet pressure based on different operating conditions while ensuring that the fc stack receives a desired air flow.
|Apparatus for preventing over-cooling of fuel cell|
An apparatus preventing over-cooling of a fuel cell is provided that includes a cooling fluid manifold which is mounted to a stack of the fuel cell and through which cooling fluid flows therethrough. End plates are arranged on both ends of the stack of a fuel cell, and at least one protrusion is provided on one surface of each of the end plates.
|Waste heat recovery system|
A waste heat recovery system includes a fuel cell, a coolant circulation flow passage, a first heat exchanger, a waste heat recovery flow passage, a second heat exchanger, an upstream end of the waste heat recovery flow passage, and a downstream end of the waste heat recovery flow passage. The coolant circulation flow passage includes a first coolant supply flow passage, a first coolant exhaust flow passage, and a first bypass flow passage.
|Spliced bipolar plates for fuel cells and fuel cell stacks comprising the same|
Spliced bipolar plates for fuel cells are provided. The spliced bipolar plate includes a supporting plate and a splice plate.
|Fuel cell system mounted on a vehicle|
A fuel cell system mounted on a vehicle is provided. During intermittent operation of the fuel cell system, if a cell voltage vc of a fuel cell stack becomes lower than a predetermined threshold voltage v′, an air compressor is operated to supply air to the fuel cell stack at a first predetermined flow rate, and when the cell voltage vc reaches and stabilizes at a predetermined target voltage v″, air is supplied to the fuel cell stack at a second predetermined flow rate that is higher than the first predetermined flow rate for a certain period of time..
|Energy system having a fuel cell arrangement|
An energy system having a fuel cell arrangement, wherein the fuel cell arrangement has at least one fuel cell and the fuel cell arrangement has at least one first electrical contact and at least one second electrical contact for tapping off electrically generated energy of the fuel cell arrangement. An electrical component for warming up the fuel cell arrangement is electrically connectable between the first electrical contact and the second electrical contact.
|Hydrogen gas generator with flexible feed member|
A hydrogen generator (30) and fuel cell system are disclosed. The hydrogen generator (30) includes a housing (32) and a flexible feed member (56) including a flexible carrier (64) and a hydrogen-containing reactant (62) disposed on the carrier.
|Combined generation system and method for collecting carbon dioxide for combined generation system|
A combined generation system according to one embodiment of the present invention comprises: a natural gas synthesizing apparatus for receiving coal and oxygen, generating synthetic gas by a gasifier, and permitting the synthetic gas to pass through a methanation reactor so as to synthesize methane; a fuel cell apparatus for receiving fuel that contains methane from the natural gas synthesizing apparatus and generating electrical energy; and a generating apparatus for producing electrical energy using the fluid discharged from the fuel cell apparatus. .
|Polymer electrolyte fuel cell|
A polymer electrolyte fuel cell according to the present invention includes: a unit cell including a membrane-electrode assembly and a pair of separators; a manifold; a gas introducing member; and a first member. A recess is formed at a gas lead-out port side of the gas introducing member so as to be connected to the gas lead-out port.
|Fuel cell system|
A fuel cell system includes a fuel cell which generates electrical energy by reacting a hydrogen gas from a hydrogen gas supply source and an oxidizing agent gas from an oxidizing agent gas supply source, a hydrogen circulating pump which is provided in a hydrogen circulation path and transfers hydrogen gas of the hydrogen circulation path to the fuel cell, and control means. When the supply of hydrogen gas from the hydrogen gas supply source to the fuel cell is discontinued, the control means discontinues the supply of oxidizing agent gas from the oxidizing agent gas supply source to the fuel cell and activates the hydrogen circulating pump such that electrical energy generated in the fuel cell is supplied to the hydrogen circulating pump..
|Thioether-bridged organic/inorganic composite and method for preparing hollow or porous carbon structures and silica structures using the same|
Provided are organosilica composites based on bis(3-triethoxysilylpropyl)tetrasulfide (tespts) or bis(3-triethoxysilylpropyl)disulfide (tespds) and containing octadecyltrimethoxy silane (c18tms) and cetyltrimethylammonium bromide (ctab), and a method for preparing hollow or porous carbon structures and silica structures using the same. According to the present disclosure, it is possible to obtain hollow or porous carbon structures and silica structures in a more simple and cost-efficient manner.
|Vitreous or at least partially crystalline joining material and uses of same|
The amorphous, or at least partially crystalline, glass-based joining material is suitable for high-temperature applications, particularly in fuel cells and/or sensors. In addition to sio2 and b2o3 as glass formers, the joining material similarly contains bao and cao, whereby the amount of al2o3 is limited.