A desulfurization system includes at least one reaction vessel containing an inlet and an outlet, a hydrolysis catalyst located in the at least one reaction vessel and configured to hydrolyze at least one sulfur species in a fuel received from the inlet, and a sulfur species sorbent located in the at least one reaction vessel and configured to sequester the at least one sulfur species in the fuel output from the hydrolysis catalyst.
A method of assembling a fuel cell stack includes depositing a liquid seal material on an interconnect, pressing a fuel cell into the liquid seal material, and solidifying the liquid seal material after pressing the fuel cell into the liquid seal material. The seal material may also include a support portion or extensions which are configured to reduce an amount of compressive stress on corners of the fuel cell in the fuel cell stack.
H01M 8/248 - Means for compression of the fuel cell stacks
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
A glow plug includes a housing formed of a metal or metal alloy and having a first end having a first opening, and an opposing second end having a second opening, a heating element extending through the first opening and having a working end that is exposed outside of the first end of the housing and an opposing terminal end that is located inside of the housing, a brazed sealant assembly connected to the second end of the housing, first and second terminal wires that extend through the brazed sealant assembly and are electrically connected to the terminal end of the heating element, and a dielectric disk located inside of the housing and surrounding a portion of the terminal end of the heating element.
H01M 8/0612 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
4.
MIXED MEDIA DESULFURIZATION SYSTEMS AND FUEL CELL SYSTEMS INCLUDING THE SAME
A desulfurization system includes at least one reaction vessel containing an inlet and an outlet, at least one material located in the at least one reaction vessel and configured to hydrolyze and sequester at least one sulfur species in a fuel provided to the inlet.
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
C10L 3/10 - Working-up natural gas or synthetic natural gas
5.
SELECTIVE GROUNDING OF GRID PARALLEL INVERTER SYSTEMS
A method of operating a power generator having a first electrical output electrically connected to a utility grid and a second electrical output electrically connected to a load includes detecting if the first electrical output of the power generator is electrically disconnected from the utility grid, and electrically connecting at least a neutral line of the first electrical output to ground in response to detecting that the first output is electrically disconnected from the utility grid.
H01M 8/04992 - Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
6.
FUEL CELL INTERCONNECT OPTIMIZED FOR OPERATION IN HYDROGEN FUEL
A fuel cell interconnect includes fuel ribs disposed on a first side of the interconnect and a least partially defining fuel channels, and air ribs disposed on an opposing second side of the interconnect and at least partially defining air channels. The fuel channels include central fuel channels disposed in a central fuel field and peripheral fuel channels disposed in peripheral fuel fields disposed on opposing sides of the central fuel field. The air channels include central air channels disposed in a central air field and peripheral air channels disposed in peripheral air fields disposed on opposing sides of the central air field. At least one of the central fuel channels or the central air channels has at least one of a different cross-sectional area or length than at least one of the respective peripheral fuel channels or the respective peripheral air channels.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0276 - Sealing means characterised by their form
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 8/1231 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
H01M 8/241 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
H01M 8/2425 - High-temperature cells with solid electrolytes
H01M 8/2457 - Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
A fuel processing unit includes a fuel line configured to transfer a fuel, a fuel processor including a processing material container configured to contain a processing material configured to remove at least one impurity from the fuel at an elevated temperature above 50° C. to produce a processed fuel, and a thermal treatment device configured to thermally treat the fuel by thermally treating at least one of the fuel line or the processing material container to the elevated temperature.
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A conduit assembly includes a dielectric tube having a first end and a second end, a first metal tube including a first flange coupled to the first end of the inner dielectric tube, the first flange including relief openings, a first dielectric ring coupled to the first flange, a second metal tube including a second flange coupled to the second end of the inner dielectric tube, the second flange including relief openings, and a second dielectric ring coupled to the second flange.
An electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, and a water preheater configured to preheat water provided to the steam generator using heat extracted from oxygen exhaust output from the stack.
F22D 1/08 - Feed-water heaters, e.g. preheaters with water tubes arranged in the boiler furnace, fire tubes or flue ways the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement
F22D 1/12 - Control devices, e.g. for regulating steam temperature
A fuel cell assembly for easy removal and installation of a fuel cell system is described. The fuel cell assembly includes one or more first rolling members provided in one or more first slots of a first base arrangement, where a plurality of holes are configured on a second surface of the first base arrangement. Each of the one or more first rolling members includes a plurality of rollers configured to be inflated and deflated. The inflating and deflating of each first rolling member facilitate movement of the plurality of rollers of each first rolling member into a plurality of holes and out of the plurality of holes, respectively, which enables the fuel cell system to move between a raised position and a lowered position. The raised position of the fuel cell system indicates a position in which the fuel cell system is in contact with the plurality of rollers.
H01M 8/249 - Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
B62B 3/04 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor involving means for grappling or securing in place objects to be carriedLoad handling equipment
B62B 3/06 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor involving means for grappling or securing in place objects to be carriedLoad handling equipment for simply clearing the load from the ground, e.g. low-lift trucks
B62B 3/10 - Hand carts having more than one axis carrying transport wheelsSteering devices thereforEquipment therefor characterised by supports specially adapted to objects of definite shape
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
12.
ELECTROCHEMICAL CELLS WITH SUPPORT RIBS AND MANUFACTURING METHODS THEREOF
An electrochemical cell includes an electrolyte layer, an anode electrode disposed over a first surface of the electrolyte layer, a ceramic anode support laterally surrounding the anode electrode and embedded in the anode electrode, such that a recess configured to receive a seal is located above a periphery of the ceramic anode support, and a cathode disposed over a second surface of the electrolyte layer.
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 9/63 - Holders for electrodesPositioning of the electrodes
C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
A method includes operating a fuel cell system to generate power and an anode exhaust, separating water and carbon dioxide in the anode exhaust from syngas consisting essentially of a mixture of hydrogen and carbon monoxide, and providing the syngas to a syngas user.
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
C01B 3/12 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04225 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during start-up
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 8/2425 - High-temperature cells with solid electrolytes
A method of electrolyzer system load configuration includes determining that at least one sensor of multiple heater power supplies is functional, determining whether multiple heater power supplies are connected in parallel, testing a connection between the plural heater power supplies and one or more heaters, and transmitting an electrolyzer system load configuration to one or more electrolyzer module controllers.
An electrochemical cell includes an electrolyte layer, an anode electrode disposed over a first surface of the electrolyte layer, a ceramic anode support laterally surrounding the anode electrode and embedded in the anode electrode, such that a recess configured to receive a seal is located above a periphery of the ceramic anode support, and a cathode disposed over a second surface of the electrolyte layer.
H01M 8/1226 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material characterised by the supporting layer
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
An electrolyzer system includes a splitter configured to split a first air inlet stream into a bypass air stream and a second air inlet stream, a stack of electrolyzer cells configured receive steam and the second air inlet stream and output a product stream containing hydrogen and an oxygen exhaust stream, such that the bypass air stream is configured to bypass the stack, and a product cooler heat exchanger configured to cool the product stream using the first air inlet stream.
A method of assembling a fuel cell stack includes depositing a liquid seal material on an interconnect, pressing a fuel cell into the liquid seal material, and solidifying the liquid seal material after pressing the fuel cell into the liquid seal material. The seal material may also include a support portion or extensions which are configured to reduce an amount of compressive stress on corners of the fuel cell in the fuel cell stack.
H01M 8/248 - Means for compression of the fuel cell stacks
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
An interconnect for an electrochemical cell stack, the interconnect including an interconnect substrate having an air side and an opposing fuel side, and a protective layer coated on at least the air side of the interconnect, the protective layer including a transition metal oxide including copper (Cu) and at least one of iron (Fe) and manganese (Mn).
An interconnect for an electrochemical cell stack, the interconnect including an interconnect substrate having an air side and an opposing fuel side, and a protective layer coated on at least the air side of the interconnect, the protective layer including a transition metal oxide including copper (Cu) and at least one of iron (Fe) and manganese (Mn).
H01M 8/0228 - Composites in the form of layered or coated products
C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
H01M 8/0217 - Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
20.
FUEL CELL SYSTEM INCLUDING ANODE RECYCLE COOLER AND METHOD OF OPERATING THE SAME
A fuel cell system includes a housing, a hotbox disposed in the housing, a stack of fuel cells disposed in the hotbox and configured to generate an anode exhaust, and an anode recycle cooler (ARC) heat exchanger disposed in the housing outside the hotbox and configured to cool the anode exhaust received from the stack by transferring heat from the anode exhaust to air in the housing.
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04302 - Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
A method of forming a protective layer on an interconnect for an electrochemical cell stack includes coating at least one side of the interconnect with a metal oxide powder to form a protective layer, sintering the coated interconnect in an inert atmosphere to at least partially reduce the protective layer, and oxidizing the sintered interconnect in an oxidizing atmosphere to oxidize and densify the protective layer.
An electrochemical system includes a plurality of electrochemical modules, a ventilation assembly including a central duct connected to the plurality of electrochemical modules and configured to ventilate exhaust gas from the plurality of electrochemical modules, and a system component configured to transmit a fluid containing hydrogen gas, connected to the plurality of electrochemical modules and located inside the central duct.
An electrochemical cell stack includes electrochemical cells that each contain a fuel electrode, an air electrode and an electrolyte disposed therebetween, interconnects disposed between the electrochemical cells, and an interconnect end plate disposed over the fuel electrode of an outermost one of the electrochemical cells. The interconnect end plate includes a fuel side, an opposing air side, fuel ribs disposed on the fuel side and at least partially defining fuel channels, air ribs disposed on the air side and at least partially defining dummy air channels, fuel holes extending from the fuel side to the air side, and recessed ring seal regions disposed on the air side surrounding the fuel holes.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
H01M 8/0217 - Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
H01M 8/0276 - Sealing means characterised by their form
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 8/2484 - Details of groupings of fuel cells characterised by external manifolds
24.
FUEL CELL INTERCONNECT INCLUDING FUEL CHANNELS HAVING DIFFERENT CROSS-SECTIONAL AREAS
A fuel cell interconnect includes an air side and an opposing fuel side, air ribs disposed on the air side and at least partially defining air channels, and fuel ribs disposed on the fuel side and a least partially defining fuel channels. The fuel channels include central fuel channels disposed in a central fuel field, the central fuel channels having a cross-sectional area A1, peripheral fuel channels disposed in peripheral fuel fields that are disposed on opposing sides of the central fuel field, the peripheral fuel channels having a cross-sectional area A3, and intermediate fuel channels disposed in intermediate fuel fields that are disposed between the central fuel field and the peripheral fuel fields, the intermediate fuel channels having a cross-sectional area A2, where area A1
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
A fuel cell system includes a power module housing including a hotbox cabinet and an auxiliary cabinet, a hotbox disposed in the hotbox cabinet and including a stack of fuel cells, electronic components disposed in the auxiliary cabinet, a system blower configured to provide air into the power module housing, a hotbox air inlet conduit fluidly connecting the system blower to the hotbox, a heat exchanger configured to preheat air in the hotbox air inlet conduit by extracting heat from cathode exhaust output from the hotbox, and a cathode exhaust outlet conduit fluidly connecting a cathode exhaust outlet of the hotbox to the heat exchanger.
A method of making an interconnect for an electrochemical cell stack includes providing the interconnect, and creep flattening the interconnect prior to placing the interconnect into the electrochemical cell stack.
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Hydrogen fuel
(2) Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis
(3) Electric generators
(4) Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters (1) Distribution of energy; electricity distribution; storage of captured carbon dioxide for others
(2) Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators
(3) Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Hydrogen fuel
(2) Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis
(3) Electric generators
(4) Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters (1) Distribution of energy; electricity distribution; storage of captured carbon dioxide for others
(2) Generation of energy
(3) Consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators
(4) Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available
(5) Providing technical consultation in the field of fuel cell technology and energy generation
29.
ELECTROLYZER SYSTEM INCLUDING THERMAL CONTROL COMPONENTS AND METHOD OF OPERATING SAME
An electrolyzer system includes electrolyzer cell columns each containing at least one stack of electrolyzer cells that are configured to receive a steam inlet stream and an air inlet stream, and to generate a hydrogen exhaust stream and an oxygen exhaust stream, an air recuperator heat exchanger surrounded by the electrolyzer cell columns and configured to heat the air inlet stream using the oxygen exhaust stream, a steam recuperator heat exchanger surrounded by the electrolyzer cell columns and configured to heat the steam inlet stream using the hydrogen exhaust stream, an outer column heater located radially outward of the electrolyzer cell columns and configured to radiate heat toward radially outward surfaces of the electrolyzer cell columns, and an inner column heater located radially inward of the electrolyzer cell columns, surrounding the air recuperator heat exchanger and the steam recuperator heat exchanger, and configured to radiate heat toward radially inward surfaces of the electrolyzer cell columns.
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Hydrogen fuel
(2) Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis; electric generators
(3) Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters (1) Distribution of energy; electricity distribution; storage of captured carbon dioxide for others
(2) Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators
(3) Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Hydrogen fuel Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis; electric generators Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; electricity distribution; storage of captured carbon dioxide for others Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Hydrogen fuel Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis; electric generators Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; electricity distribution; storage of captured carbon dioxide for others Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Hydrogen fuel Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis; electric generators Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; electricity distribution; storage of captured carbon dioxide for others Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
34.
LARGE SITE FUEL CELL POWER SYSTEM INCLUDING HOT GAS DESULFURIZER AND METHOD OF OPERATING THEREOF
A system includes a desulfurizer vessel, a heat source configured to heat a fuel received from a fuel source to form a heated fuel, and a desulfurization catalyst located in the desulfurizer vessel and configured to catalytically adsorb sulfur species from the heated fuel and output a desulfurized fuel.
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/0612 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
35.
Electrochemical cell system containing air baffle assembly with air bypass mitigation features and method of operating thereof
An electrochemical cell system includes electrochemical cell columns arranged in an annular configuration over a support, each cell column having a front side that faces away from a center of the annular configuration, a back side that faces the center of the annular configuration, and opposing first and second sides that connect the front and back sides, and multi-component baffle assemblies located between adjacent cell columns and including at least one air bypass mitigation feature configured to reduce or prevent air from flowing between the cell columns.
A fuel cell system includes a stack of fuel cells, an anode recuperator configured to heat fuel provided to the stack using anode exhaust generated by the stack, an anode exhaust distribution structure fluidly connecting a fuel outlet the stack to an anode exhaust inlet of the anode recuperator, and a reformation catalyst disposed in the anode exhaust distribution structure.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/2457 - Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
37.
FUEL CELL SYSTEM WITH ANODE EXHAUST REFORMATION AND METHOD OF OPERATING SAME
A fuel cell system includes a stack of fuel cells, an anode recuperator configured to heat fuel provided to the stack using anode exhaust generated by the stack, an anode exhaust distribution structure fluidly connecting a fuel outlet the stack to an anode exhaust inlet of the anode recuperator, and a reformation catalyst disposed in the anode exhaust distribution structure.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/0612 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
H01M 8/0668 - Removal of carbon monoxide or carbon dioxide
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
38.
PRESSURE SENSOR CONTAINING ICE MITIGATING FEATURE AND ELECTROCHEMICAL SYSTEM USING THE SAME
A pressure sensor includes a transducer portion containing a pressure sensing diaphragm, and a connecting portion having a first end in fluid communication with the transducer portion and a second end located opposite to the first end. The connecting portion includes a bore having an outlet and a stepped inlet. The outlet is located closer to the first end than the stepped inlet. The stepped inlet includes a first surface having a gas opening and a second surface having a water opening. The first surface is located closer to the first end than the second surface.
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
G01L 7/08 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04223 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric generators utilizing fuel cell technology; Electric generators Generation of energy; consultancy in the field of energy production, electrochemical treatment, chemical processing and purification of gases; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; Electricity distribution Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
40.
SYSTEMS AND METHODS FOR DETERMINING A SITE CONTROL ARCHITECTURE FOR CONTROLLING INVERTERS IN MICROGRID-BASED SITE
Systems and methods for determining a site control architecture for controlling inverter(s) in a microgrid-based site are disclosed. The system includes a site controller, stamp controller(s), and inverter controller(s) communicatively coupled with each other. The site controller receives site operating input(s) associated with a microgrid-based site, determines a site control architecture for implementation on the microgrid-based site to stabilize an operation of the microgrid-based site, receives values corresponding to electrical parameter(s) associated with electrical point(s) in the microgrid-based site, transmits a control message to each of the stamp controller(s) and the inverter controller(s), and facilitates each of the stamp controller(s) and the inverter controller(s) to operate in one of at least two control modes for implementing the determined site control architecture, in response to the control message. The at least two control modes include an Alternating Current (AC) droop control mode and a master-slave control mode.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
An electrochemical cell stack includes a first interconnect, a second interconnect, an electrochemical cell located between the first interconnect and the second interconnect, and a fuel impermeable, hermetically sealed wall contacting opposing surfaces of the first interconnect and the second interconnect. The fuel impermeable, hermetically sealed wall includes a stack of a glass or glass ceramic seal and a gas impermeable layer. The electrochemical cell is laterally offset from ends of the first interconnect and the second interconnect.
A method of operating a fuel cell system includes providing fuel and air to a stack of fuel cells located in a hotbox, operating the stack to generate an anode exhaust and a cathode exhaust, in a startup mode, providing a first amount of the anode exhaust and the cathode exhaust to an anode tail gas oxidizer (ATO) located in the hotbox to oxidize the anode exhaust and to generate heat which is provided to the stack, and in a steady-state mode, stopping providing the anode exhaust to the ATO or providing to the ATO a second amount of the anode exhaust which is smaller than the first amount, and providing the anode exhaust and the cathode exhaust outside the hotbox.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04223 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells
H01M 8/04225 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during start-up
H01M 8/04302 - Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
H01M 8/1231 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
43.
FUEL CELL SYSTEM CONFIGURED TO OPERATE IN COLD CONDITIONS AND METHOD OF OPERATING THE SAME
A method of operating a fuel cell system includes providing an anode exhaust stream from a stack of fuel cells into an anode exhaust cooler, providing an air inlet stream into the anode exhaust cooler and heating the air inlet stream using heat extracted from the anode exhaust stream, providing a heated air inlet stream output from the anode exhaust cooler into the stack, providing a cooled anode exhaust stream at a temperature between 110° C. and 180° C. from the anode exhaust cooler into an anode recycle blower, and recycling at least a portion of the cooled anode exhaust stream into a fuel inlet stream provided into the stack.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04223 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells
H01M 8/04225 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during start-up
H01M 8/2425 - High-temperature cells with solid electrolytes
44.
SOLID OXIDE FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME USING PEAK SHAVING GAS
A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/1253 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
H01M 8/2404 - Processes or apparatus for grouping fuel cells
45.
FUEL CELL SYSTEM CONFIGURED TO OPERATE IN COLD CONDITIONS AND METHOD OF OPERATING THE SAME
A method of operating a fuel cell system includes providing an anode exhaust stream from a stack of fuel cells into an anode exhaust cooler, providing an air inlet stream into the anode exhaust cooler and heating the air inlet stream using heat extracted from the anode exhaust stream, providing a heated air inlet stream output from the anode exhaust cooler into the stack, providing a cooled anode exhaust stream at a temperature between 110 C and 180 C from the anode exhaust cooler into an anode recycle blower, and recycling at least a portion of the cooled anode exhaust stream into a fuel inlet stream provided into the stack.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04302 - Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric generators utilizing fuel cell technology; Electric generators Generation of energy; consultancy in the field of energy production, electrochemical treatment, chemical processing and purification of gases; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; Electricity distribution Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric generators utilizing fuel cell technology; Electric generators Generation of energy; consultancy in the field of energy production, electrochemical treatment, chemical processing and purification of gases; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; Electricity distribution Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
04 - Industrial oils and greases; lubricants; fuels
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
Goods & Services
Distribution of energy; electricity distribution; storage of captured carbon dioxide for others Generation of energy; consultancy in the field of energy production and conversion of water and steam to fuel, electrochemical treatment, chemical processing and purification of gases; carbon capture for others; production of energy; rental of electricity generators Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation Hydrogen fuel Electric generators utilizing fuel cell technology; machines for generating gas by electrolysis; electric generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus and instruments for using electricity to produce hydrogen and oxygen; computers, namely, network communication equipment with network operating system programs used with electrolysers; downloadable computer software for use in operating apparatus for conducting, switching, accumulating, regulating or controlling electricity, namely, downloadable computer software for use in monitoring, analyzing, controlling and running electrolysis equipment that utilizes electricity; downloadable computer software for recording, processing and managing data relating to conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, downloadable computer software for processing and managing data relating to electrolysis equipment that utilizes electricity; electrolysers, namely, computer controlled electrolysis equipment and electrolysis apparatus for hydrogen and oxygen generation and electrolytic cells; fuel cells, namely fuel cells for electrolysis, fuel cell electrodes for electrolysis; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric generators utilizing fuel cell technology; Electric generators Generation of energy; consultancy in the field of energy production, electrochemical treatment, chemical processing and purification of gases; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; Electricity distribution Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
40 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
39 - Transport, packaging, storage and travel services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electric generators utilizing fuel cell technology; Electric generators Generation of energy; consultancy in the field of energy production, electrochemical treatment, chemical processing and purification of gases; production of energy; rental of electricity generators Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Batteries, electric; Electricity control panels; Electricity inverters; Batteries; Inverters Distribution of energy; Electricity distribution Providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services or business models that enable the use of energy that is clean, reliable, affordable and widely available; Providing technical consultation in the field of fuel cell technology and energy generation
51.
Systems and methods for facilitating medium voltage microgrid operation to manage critical loads
Systems and methods for facilitating a medium voltage microgrid operation to manage critical loads are disclosed. The system includes at least two fuel cell systems that operate in one of at least two operating modes including a grid-forming mode and a grid-following mode, based on an operation of at least two utility feeders of a grid. The system includes a controller that receives values corresponding to electrical parameter(s) from at least two utility circuit breakers and a load circuit breaker, detects availability status of the utility circuit breakers to supply power to corresponding at least two portions of the critical load, and a connection status of the load circuit breaker, based on the values, and facilitates the at least two fuel cell systems to operate in one of the at least two operating modes. Further, the system is scalable, redundant, and reliable, and reliability and redundancy are customizable.
A method includes outputting an alternating current (AC) waveform from an inverter module to a plurality of loads, outputting a fault waveform from the inverter module to a first load of the plurality of loads in response to a fault condition associated with the first load, and outputting the AC waveform from the inverter module to at least some of the plurality of loads if the fault condition is cleared before a recovery period expires or disconnecting the inverter module from the plurality of loads if the fault condition is not cleared before the recovery period expires.
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02H 1/00 - Details of emergency protective circuit arrangements
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
H02M 7/537 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
53.
CROSS-FLOW INTERCONNECT AND FUEL CELL SYSTEM INCLUDING SAME
A cross-flow interconnect and a fuel cell stack including the same, the interconnect including fuel inlets and outlets that extend through the interconnect adjacent to opposing first and second peripheral edges of the interconnect; an air side; and an opposing fuel side. The air side includes an air flow field including air channels that extend in a first direction, from a third peripheral edge of the interconnect to an opposing fourth peripheral edge of the interconnect; and riser seal surfaces disposed on two opposing sides of the air flow field and in which the fuel inlets and outlets are formed. The fuel side includes a fuel flow field including fuel channels that extend in a second direction substantially perpendicular to the first direction, between the fuel inlets and outlets; and a perimeter seal surface surrounding the fuel flow field and the fuel inlets and outlets.
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/2425 - High-temperature cells with solid electrolytes
54.
Auxiliary circuit to inject fault current during grid faults
An auxiliary circuit to inject fault current to a grid is provided. The circuit includes a pair of transformers including a first transformer and a second transformer, and a pair of SCRs including a first SCR and a second SCR. Each SCR remains in an OFF state and an ON state when AC voltage of the grid is in normal range and fault range, respectively. The circuit includes a capacitor electrically connected between the first transformer, the second transformer, and the first SCR. The circuit includes a diode biased by the second transformer and the capacitor to enable charging of the capacitor to a peak of AC voltage during one polarity of AC voltage when the AC voltage is in normal range. The capacitor discharges via the first SCR and the first transformer by injecting the fault current into the grid when the AC voltage is in the fault range.
H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
55.
BINDER JET PRINTING OF METALLIC INTERCONNECT FOR SOLID OXIDE ELECTROCHEMICAL CELL STACK
A method includes binder jet printing a metal alloy powder or a metal powder mixture to form a green interconnect, debinding the green interconnect, and sintering the green interconnect to form a metal alloy interconnect for an electrochemical stack.
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
B33Y 80/00 - Products made by additive manufacturing
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
H01M 8/2404 - Processes or apparatus for grouping fuel cells
56.
INVERTER-BASED MICROGRID INCLUDING KINETIC STORAGE DEVICE AND METHOD OF OPERATING THE SAME
A microgrid power system includes a power module configured to generate direct current (DC) power, an inverter module having a DC side and an AC side, and configured to invert DC power received from the power module on the DC side and output alternating current (AC) power on the AC side, a DC bus electrically connecting an output of the power module to an input on the DC side of the inverter module, an AC load bus configured to electrically connect an output on the AC of the inverter module to an AC load, an energy storage device electrically connected to the DC bus, and a kinetic storage device (KSD) device electrically connected to the AC load bus on the AC side of the inverter module.
Various embodiments disclose a glow plug for a solid oxide fuel cell system. The glow plug includes a housing haying a first end portion and a second end portion. The glow plug includes a heating element longitudinally disposed in the housing, extending from the second end portion of the housing towards the first end portion and extending outwardly from the housing for igniting fuel. Further, the glow plug includes a pair of coiled wires electrically connected to the heating element. Further, the glow plug includes a potting compound disposed within the second end portion of the housing for securing electrical coupling of the pair of coiled wires with the heating element. Furthermore, the glow plug includes a sealing element configured to form an air-tight connection between the housing and the heating element. The sealing element is positioned on top of the potting compound.
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
58.
METHOD OF FORMING AN INTERCONNECT COATING FOR AN ELECTROCHEMICAL DEVICE STACK USING LASER SINTERING
A method of forming a protective coating on an interconnect for an electrochemical device stack includes providing a powder on the interconnect and laser sintering the powder.
H01M 8/0202 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors
C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
59.
METHOD OF FORMING AN INTERCONNECT COATING FOR AN ELECTROCHEMICAL DEVICE STACK USING LASER SINTERING
A method of forming a protective coating on an interconnect for an electrochemical device stack includes providing a powder on the interconnect and laser sintering the powder.
H01M 8/0217 - Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
A method of forming an interconnect for an electrochemical device stack includes loading a die with an interconnect material comprising an interconnect body powder comprising chromium and iron, and spark plasma sintering (SPS) the interconnect material to form a body of the interconnect.
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
H01M 8/0217 - Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
H01M 8/0228 - Composites in the form of layered or coated products
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
61.
METHOD OF FORMING AN INTERCONNECT FOR AN ELECTROCHEMICAL DEVICE STACK USING SPARK PLASMA SINTERING
A method of forming an interconnect for an electrochemical device stack includes loading a die with an interconnect material comprising an interconnect body powder comprising chromium and iron, and spark plasma sintering (SPS) the interconnect material to form a body of the interconnect.
H01M 8/0228 - Composites in the form of layered or coated products
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
A system for fuel cell based microgrid is provided. The system includes a plurality of fuel cell modules to generate DC power. The system includes a plurality of dual-mode inverters (DMIs) to convert the DC power into AC power. The system includes a plurality of DC switches to electrically connect or disconnect a fuel cell module from a DC bus. The DC bus is electrically coupled to the plurality of the DC switches. The plurality of DMIs includes a first set of DMIs, second set of DMIs, and a third set of DMIs. The first set is configured to electrically connect a first set of fuel cell modules with a grid. The second set of DMIs is configured to electrically connect a second set of fuel cell modules with a first load. The third set of DMIs is configured to electrically connect the DC bus with the first load.
A modular electrolyzer system including a power module and a generator module wherein the power module and the generator module are integrated with a hydrogen collection component and a steam delivery component, the hydrogen collection component and the steam delivery component being disposed on a structural base.
H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Systems, devices, and methods for electrolysis at very large scale (e.g., exceeding 100 megawatts (MW), and at gigawatt (GW) scale having a solid oxide electolyzer cell (SOEC) system including one or more SOEC columns, and one or more heat exchangers, each of the heat exchangers configured to receive input stream that is used to heat respective SOEC columns, wherein each of the heat exchangers is located along respective SOEC columns such that the input steam exiting the heat exchanger is directed towards adjacent SOEC columns.
A modular electrolyzer system including a power module and a generator module wherein the power module and the generator module are integrated with a hydrogen collection component and a steam delivery component, the hydrogen collection component and the steam delivery component being disposed on a structural base.
Embodiments of the present disclosure provide systems and methods for testing a device for grid interconnection standards. The method includes inputting a set of instructions to a device under test (DUT), where the instructions correspond to a firmware version to be tested by a variable AC source. The method includes transmitting a command signal to an inverter redundant controller (IRC) of the DUT, where the IRC operates at least one DC-AC inverter to attain a grid-tie state in response to receipt of the command signal. The method includes transmitting a set of values corresponding to parameters of the variable AC source configured to simulate an AC grid upon operating at least one DC-AC inverter in the grid-tie state. The method further includes accessing test output data of the DUT from measuring equipment and generating a test report based on responses of the DUT to a set of test waveforms.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
67.
Control systems and methods for minimizing power loss associated with fuel cell systems
Embodiments of the present disclosure provide control systems and methods to reduce wastage of energy associated with fuel cell systems. The method includes transmitting DC power from a plurality of fuel cells of a set of power modules to a centralized DC bus through a first set of DC-DC converters. The method includes operating a second set of DC-DC converters to provide an output DC power by boosting a voltage level of the DC power from the centralized DC bus and further operating a first set of DC-AC inverters to convert the DC power from the second set of DC-DC converters to AC power. The method includes transmitting the AC power from the first set of DC-AC inverters to a grid. The AC power is transmitted to the grid at substantially unity power factor due to combined effect of switching modulation and MPPT of the first set of DC-AC inverters.
H01M 8/0668 - Removal of carbon monoxide or carbon dioxide
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
A modular electrolyzer system, comprising a plurality of generator modules, each of the plurality of generator modules including a hotbox, and a gas distribution module configured to supply hydrogen to each of the plurality of generator modules.
A blower includes a motor housing, a volute disposed on an outer surface of the motor housing, a motor shaft extending through the motor housing, a motor disposed in the motor housing and coaxially mounted to the motor shaft, and a mixed flow impeller disposed in the motor housing and coaxially mounted to the motor shaft. The mixed flow impeller is configured to circulate air inside the motor housing.
F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
F04D 29/58 - CoolingHeatingDiminishing heat transfer
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
71.
CENTRIFUGAL BLOWER INCLUDING SHROUDED MIXED FLOW IMPELLER FOR ENHANCED COOLING
A blower includes a motor housing, a volute disposed on an outer surface of the motor housing, a motor shaft extending through the motor housing, a motor disposed in the motor housing and coaxially mounted to the motor shaft, and a mixed flow impeller disposed in the motor housing and coaxially mounted to the motor shaft. The mixed flow impeller is configured to circulate air inside the motor housing.
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
A fuel cell system includes a stack of fuel cells, a cathode recuperator configured to heat air using cathode exhaust output from the stack, and an air inlet baffle disposed between the cathode recuperator and the stack and containing at least two rows apertures which are separated along a vertical direction and configured to provide the heated air output from the cathode recuperator to plural areas of the stack.
A method of operating a fuel cell power system includes providing a fresh hydrogen fuel to power modules that each contain a heater and a stack of fuel cells, providing a fuel exhaust containing hydrogen and water from the stack to a condenser, removing water from the fuel exhaust to generate a recycled fuel containing dewatered hydrogen, and pressurizing and recycling the recycled fuel output from the condenser to the power modules. The removed water may be vaporized in a stack cathode exhaust.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04225 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during start-up
A method of operating a fuel cell power system includes providing a fresh hydrogen fuel to power modules that each contain a heater and a stack of fuel cells, providing a fuel exhaust containing hydrogen and water from the stack to a condenser, removing water from the fuel exhaust to generate a recycled fuel containing dewatered hydrogen, and pressurizing and recycling the recycled fuel output from the condenser to the power modules. The removed water may be vaporized in a stack cathode exhaust.
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
75.
FUEL CELL POWER SYSTEM INCLUDING AIR FLOW CONTROL AND METHOD OF OPERATING THEREOF
A method of operating power system includes generating compressed air, providing the compressed air and fuel to fuel cell power modules, and providing a cathode exhaust from the power modules to a heat exchanger.
A membrane electrode assembly (MEA) includes an ionically-conductive proton exchange membrane. Further, the MEA includes an anode contacting a first side of the membrane. The anode includes an anode gas diffusion layer (GDL). Further, the anode includes a first anode catalyst layer containing first catalyst particles, a hydrophobic polymer bonding agent, and a first ionomer bonding agent that lacks functional chains on a molecular backbone. The anode also includes a second anode catalyst layer containing second catalyst particles and a second ionomer bonding agent that includes functional chains on a molecular backbone. The MEA also includes a cathode contacting a second side of the membrane and comprising third catalyst particles and a cathode GDL.
A system includes a digestion system configured to convert a digestate into a fuel gas, and a fuel cell power system configured to convert the fuel gas into power and heat, and to provide the heat to the digestion system.
H01M 8/0612 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
C01B 3/34 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
A modular solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive steam in combination with hydrogen, and a steam recycle outlet configured to recycle a portion of the steam.
A fuel cell system includes a stack of fuel cells, a cathode recuperator configured to heat air using cathode exhaust output from the stack, and an air inlet baffle disposed between the cathode recuperator and the stack and containing at least two rows of apertures which are separated along a vertical direction and configured to provide the heated air output from the cathode recuperator to plural areas of the stack.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
A fuel cell column includes a plurality of fuel cell stacks, at least one fuel manifold configured to provide fuel to the plurality of fuel cell stacks, and at least one heat sink insert located between adjacent fuel cells of the plurality of fuel cell stacks. A fuel cell column including at least one heat sink insert located between adjacent fuel cell stacks of the column may reduce the peak temperatures of the fuel cell stacks adjacent to the heat sink inserts and may provide a smaller temperature distribution within the fuel cell stacks and within the column as a whole.
H01M 8/2484 - Details of groupings of fuel cells characterised by external manifolds
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
H01M 8/2425 - High-temperature cells with solid electrolytes
H01M 8/0217 - Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
81.
Methods and devices for preventing thermally-induced stress cracks in large footprint solid oxide fuel cell columns
A method of making an interconnect for an electrochemical cell stack includes providing the interconnect, and creep flattening the interconnect prior to placing the interconnect into the electrochemical cell stack.
A method of making an interconnect for an electrochemical cell stack includes providing the interconnect, and creep flattening the interconnect prior to placing the interconnect into the electrochemical cell stack.
C22F 1/11 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of chromium or alloys based thereon
H01M 8/0202 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors
C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
H01M 8/2432 - Grouping of unit cells of planar configuration
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
83.
FUEL CELL STACK ASSEMBLY INCLUDING HEAT SINK INSERTS
A fuel cell column includes a plurality of fuel cell stacks, at least one fuel manifold configured to provide fuel to the plurality of fuel cell stacks, and at least one heat sink insert located between adjacent fuel cells of the plurality of fuel cell stacks. A fuel cell column including at least one heat sink insert located between adjacent fuel cell stacks of the column may reduce the peak temperatures of the fuel cell stacks adjacent to the heat sink inserts and may provide a smaller temperature distribution within the fuel cell stacks and within the column as a whole.
An electrolyzer system including a compressor manifold that supplies hydrogen to a gas distribution module, one or more generator modules that receives hydrogen from the gas distribution module and outputs a product gas, wherein each of the generator modules supplies product gas to a product manifold during normal operation or to a vent manifold in the event of a fault.
A solid oxide electrolyzer cell (SOEC) system, the system including one or more stamps that receives hydrogen input and outputs wet hydrogen, a heat exchanger or condenser that receives the wet hydrogen, the heat exchanger or condenser being configured to decrease the temperature of the wet hydrogen and remove at least some of the saturated water vapor in the wet hydrogen, a compressor that is configured to increase the pressure of the wet hydrogen, and a dryer that is configured to reduce the dew point of the wet hydrogen.
An electrolyzer system including a compressor manifold that supplies hydrogen to a gas distribution module, one or more generator modules that receives hydrogen from the gas distribution module and outputs a product gas, wherein each of the generator modules supplies product gas to a product manifold during nomial operation or to a vent manifold in the event of a fault.
A solid oxide electrolyzer cell (SOEC) system, the system including one or more stamps that receives hydrogen input and outputs wet hydrogen, a heat exchanger or condenser that receives the wet hydrogen, the heat exchanger or condenser being configured to decrease the temperature of the wet hydrogen and remove at least some of the saturated water vapor in the wet hydrogen, a compressor that is configured to increase the pressure of the wet hydrogen, and a dryer that is configured to reduce the dew point of the wet hydrogen.
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
C25B 9/70 - Assemblies comprising two or more cells
C25B 13/07 - DiaphragmsSpacing elements characterised by the material based on inorganic materials based on ceramics
C01B 3/02 - Production of hydrogen or of gaseous mixtures containing hydrogen
C25B 1/04 - Hydrogen or oxygen by electrolysis of water
H01M 8/1246 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
H01M 8/2432 - Grouping of unit cells of planar configuration
A power control device for an electrolyzer that is configured to receive electrical current from a plurality of electrical power sources, rectify alternating current from a first subset of the plurality of electrical power sources, convert direct current from a second subset of the plurality of electrical power sources, provide power from the first subset and the second subset of electrical power sources to an energy bus, and receive, at the electrolyzer, power from the energy bus.
A power control device for an electrolyzer that is configured to encode power curtailment information as a DC bus voltage level using a DC droop characteristic in first stage and decode the DC bus voltage to power information in a second stage.
A power control device for an electrolyzer that is configured to encode power curtailment information as a DC bus voltage level using a DC droop characteristic in first stage and decode the DC bus voltage to power infomiation in a second stage.
A power control device for an electrolyzer that is configured to receive electrical current from a plurality of electrical power sources, rectify alternating current from a first subset of the plurality of electrical power sources, convert direct current from a second subset of the plurality of electrical power sources, provide power from the first subset and the second subset of electrical power sources to an energy bus, and receive, at the electrolyzer, power from the energy bus.
A method of making an interconnect for a fuel cell stack includes compressing an interconnect powder to form an interconnect, the interconnect power containing Cr, Fe and at least one transition metal selected from Co, Cu, Mn, Ni, or V pre-alloyed with at least one of the Cr and the Fe, and sintering the interconnect.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0228 - Composites in the form of layered or coated products
H01M 8/2425 - High-temperature cells with solid electrolytes
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
C22C 38/10 - Ferrous alloys, e.g. steel alloys containing cobalt
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
94.
FUEL CELL INTERCONNECT ALLOYED WITH TRANSITION METAL ELEMENT AND METHOD OF MAKING THEREOF
A method of making an interconnect for a fuel cell stack includes compressing an interconnect powder to form an interconnect, the interconnect power containing Cr, Fe and at least one transition metal selected from Co, Cu, Mn, Ni, or V pre-alloyed with at least one of the Cr and the Fe, and sintering the interconnect.
A power generation system includes a power source that is configured to communicate with at least one of a downstream load or a downstream device by changing a voltage on a power bus between the power source and the at least one of the downstream load or the downstream device, while power source provides power on the power bus to the at least one of the downstream load or the downstream device.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
A controller for a solid oxide electrolyzer cell (SOEC) system, the controller being configured to receive a target operating temperature, receive a readback temperature value, and output a temperature setpoint command to each of a plurality of heaters.
Various embodiments of a reactant feed and return assembly, such as an anode splitter plate (ASP), are provided for facilitating reactant feed flow in a solid oxide fuel cell (SOFC) stack system. Embodiments include a reactant feed and return assembly including at least one nozzle structure along a flow path of a reactant feed to a fuel cell stack. The at least one nozzle structure may include a width dimension that decreases along the flow path of the reactant. The at least one nozzle structure of the assembly may accelerate the reactant feed as it enters the adjacent fuel cell stack and may provide the reactant feed with sufficient kinetic energy to negate the effects of an increase in viscous resistance along the reactant flow path through the fuel cell stack.
Systems, devices, methods, and instructions for operating an electrolyzer, including setting a nominal frequency or a nominal voltage of a connected electrical power system, the electrolyzer being configured to deliver a rated production level at the nominal frequency or the nominal voltage, setting an adjustable dead band at or near the nominal frequency or the nominal voltage, and reducing hydrogen generation and reducing power consumption if the frequency drops below the nominal frequency or if the voltage drops below the nominal voltage.
A solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive liquid water that is heated using one or more heaters, and a mass flow controller configured to control the liquid water flowrate into the one or more heaters.
Systems, devices, methods, and instructions for operating an electrolyzer, including setting a nominal frequency or a nominal voltage of a connected el ectrical power system, the electrolyzer being configured to deliver a rated production level at the nominal frequency or the nominal voltage, setting an adjustable dead band at or near the nominal frequency or the nominal voltage, and reducing hydrogen generation and reducing power consumption if the frequency drops below the nominal frequency or if the voltage drops below the nominal voltage.
