21results about "Fuel cell combinations" patented technology

A system for controlling a vessel, the system comprising a plurality of devices, the plurality of devices comprising a plurality of solid oxide fuel cells (SOFCs); the system also includes at least one processor that calculates a device score value for the device; the system further includes a control unit connected to the device, and the control unit is configured to calculate an efficiency score value based on the device score value, the efficiency score value defining an efficiency of the system; the system is further configured to: calculate a capacity of the system based on the device and state; calculating a capacity margin index representing the capacity of the system equipment according to preset scores corresponding to various operation modes, and calculating the efficiency value and the capacity value; the status from the fuel cell includes a health characterization index.

Techniques for generating electric power for well site operations include processing a hydrocarbon fluid produced from a subterranean formation, through a wellbore, and to a terranean surface into at least one acid gas; processing the at least one acid gas into hydrogen; generating, with the hydrogen, electrical power from a hydrogen engine; and providing the generated electrical power for use or storage to power at least one electrically-operated machine to perform at least one well site operation.

An integrated thermal management system for a fuel cell electric vehicle is disclosed. The integrated thermal management system includes a fuel cell system, a brake resistor, a fuel cell coolant loop that includes a fuel cell radiator thermally and fluidly coupled to the fuel cell system, a brake resistor coolant loop that includes a brake resistor radiator thermally and fluidly coupled to the brake resistor, and a heat exchanger loop that includes a coolant-coolant heat exchanger thermally and fluidly coupled to the fuel cell coolant loop and the brake resistor coolant loop. In a fuel cell cooling operating mode, heat is transferred from the fuel cell system to an ambient environment through the fuel cell radiator and the brake resistor radiator.

Thermal heat management system The present invention discloses a thermal heat management system (1) comprising: at least one auxiliary power unit (2), at least one thermal heat exchange system (3) connected to the at least one auxiliary power unit (2), wherein the at least one thermal heat management system (1) is configured to absorb and use thermal heat from the at least one auxiliary power unit (2).

To achieve both flexibility and ease of assembly of a busbar that electrically connects a fuel cell stack and an electrical device in a fuel cell unit.SOLUTION: A fuel cell unit includes a fuel cell stack in which a plurality of fuel cells are stacked, an electrical device, and a busbar that electrically connects the terminal of the fuel cell stack and the terminal of the electrical device. The busbar includes a non-bonded portion in which a plurality of metal plates are stacked without being bonded to each other. The plurality of metal plates include a first metal plate and a second metal plate that is thicker than the first metal plate.SELECTED DRAWING: Figure 10

The invention relates to the technical field of energy storage and hydrogen energy, in particular to a reversible solid oxide battery system and equipment. In a power generation mode, fuel electrode tail gas is used for heating fuel electrode introduced gas, then shunting is performed, one part is mixed with water and hydrogen to form the fuel electrode introduced gas, and the other part is mixed with the hydrogen to form the reversible solid oxide battery system. The other part is mixed with the tail gas of the air electrode for combustion, and the generated heat firstly heats the gas introduced into the air electrode and then heats the solid hydrogen storage module; in the electrolysis mode, fuel electrode tail gas is used for conducting final heating on gas introduced into a fuel electrode, hydrogen is stored in the solid hydrogen storage module, and heat released by the solid hydrogen storage module is used for conducting preliminary preheating on the gas introduced into the fuel electrode. And the air electrode tail gas is used for heating gas introduced into the air electrode. The problems that in an SOFC mode, system waste heat cannot be completely utilized, and in an SOEC mode, an external heat source is needed for heating are solved, the use of a high-energy-consumption equipment electric heater is avoided, and self-sustaining operation is achieved on the premise that the external heat source is not used.

In an aspect the disclosure relates to a condenser for a thermal management system for an electric vehicle. The condenser includes a first portion that includes a first coolant flow path that extends from a first coolant inlet to a first coolant outlet, and that includes a refrigerant flow path that extends from a refrigerant inlet to a refrigerant outlet. The first coolant flow path and the refrigerant flow path are positioned in order to transfer heat from the refrigerant to the coolant in order to carry out at least one of condensing the refrigerant and heating the coolant. The condenser further includes a second portion that includes a second coolant flow path that extends from a second coolant inlet to a second coolant outlet, and that includes a secondary heater that is positioned to heat the coolant in the second coolant flow path.

The application provides an integrated active hydrogen fuel cell system, which comprises a battery assembly connected with an uninterrupted power supply module, a low-voltage electrical equipment, an external equipment and an external low-voltage power supply through wires; the battery assembly comprises a BOP auxiliary component connected with the low-voltage electrical equipment through wires, a stack connected with the BOP auxiliary component, and a step-down DC connected with the stack through wires; a step-up DC is arranged on a line between the stack and the BOP auxiliary component; the step-up DC, the step-down DC, the stack and the BOP auxiliary component are connected with the uninterrupted power supply module through wires; the step-up DC, the step-down DC, the stack and the BOP auxiliary component are connected with the external low-voltage power supply through wires; and the stack is connected with a humidifying mechanism. The application has high integration, adopts double power supply circuits, and can realize fuel cell system operation without external power supply.

An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).

Energy storage system (1000) for producing, storing and consuming energy comprising an electrochemical reduction CO2 cell unit (110) configured to receive electrical energy, in particular from a renewable energy source, and to perform electrochemical reduction process to produce formic acid (CH2O2), a formic acid storage unit configured to store formic acid (CH2O2) in liquid state received from electrochemical reduction CO2 cell unit (110), a formic acid fuel cell unit (130) configured to perform electrochemical oxidation process producing electrical energy from formic acid (CH2O2) received from the formic acid storage unit (120) and a control unit (180) configured to control supply of formic acid (CH2O2) to and from the formic acid storage unit (120). The energy storage system (1000) is also configured to perform a closed-loop recirculation of carbon dioxide (CO2) from the formic acid storage unit (130) to the electrochemical reduction CO2 cell unit (110).

The invention discloses an internal combustion engine and fuel cell combined cycle intake and exhaust system and a working method, the internal combustion engine and fuel cell combined cycle intake and exhaust system comprises an internal combustion engine and a fuel cell, an air inlet of the internal combustion engine is sequentially connected with a high-pressure-stage air compressor and a low-pressure-stage air compressor, and an exhaust port is sequentially connected with a high-pressure-stage turbine and a low-pressure-stage turbine; an air inlet of the fuel cell is connected with the compressor, and an exhaust port is connected with the turbine through the first regulating valve; an exhaust port of the fuel cell is connected with an outlet of the low-pressure-stage gas compressor through a first passage, and a second regulating valve is arranged on the first passage; an outlet of the low-pressure-stage gas compressor is connected with an outlet of the gas compressor through a second passage, and a third regulating valve is arranged on the second passage; an outlet of the gas compressor is connected with an outlet of the low-pressure-stage gas compressor through a third passage, and a fourth regulating valve is arranged on the third passage; through air intake and exhaust cooperative management of the internal combustion engine and the fuel cell, efficient utilization of exhaust energy is achieved, the combustion efficiency is improved, and the transient response characteristics of the internal combustion engine and the fuel cell are improved.

The invention relates to an electric drive system (1) for a vehicle, said electric drive system comprising: an electric machine (2) coupled via an energy storage unit (3) to a BoP unit (4) designed to supply oxygen and / or hydrogen to an FCS system (5); and a cooling unit (6) fluidly connected to the FCS system (5) and to the electric machine (2), the cooling unit (6) being designed in such a way that, in at least one recovery state in which the electric machine (2) generates electrical energy, the cooling unit releases thermal energy, which can be provided by the electric machine (2) and / or by the FCS system (5), to the surroundings. The invention also relates to a method for operating an electric drive system (1).

System for controlling a marine vessel comprising a number of devices, the devices including a number of Solid Oxide Fuel Cells (SOFC), the system including at least one processor calculating device score values of the devices, the system also including a control unit connected to said devices and being configured to calculate an efficiency score value based on said device score values, the efficiency score value defining the efficiency of the system The system also is configured to calculate the capacity of the system based on the status of the devices, and to calculate a capacity margin index indicating the capacity of the system devices, according to predetermined scores for each operation mode and computing the efficiency and capacity values, the status of the fuel cells including a health indicator index.

To provide a fuel cell system for supplying power to an external unit and one or more auxiliary systems of the fuel cell system.SOLUTION: A fuel cell system 10 includes a plurality of fuel cell units 22 each generating lower-voltage DC power. The fuel cell system 10 includes a plurality of DC-DC converters 26 each electrically connected to each of the fuel cell units 22 and configured to convert the lower-voltage DC power to higher-voltage DC power. The fuel cell system 10 includes a primary load power conversion unit 30 electrically connected to the plurality of DC-DC converters 26 and configured to output a primary load. The fuel cell system 10 includes an auxiliary load power conversion unit 32 electrically connected to the plurality of DC-DC converters 26 and configured to output an auxiliary load.SELECTED DRAWING: Figure 1

An integrated thermal management system for a fuel cell electric vehicle is disclosed. The integrated thermal management system includes a fuel cell system, a brake resistor, a fuel cell coolant loop that includes a fuel cell radiator thermally and fluidly coupled to the fuel cell system, a brake resistor coolant loop that includes a brake resistor radiator thermally and fluidly coupled to the brake resistor, and a heat exchanger loop that includes a coolant-coolant heat exchanger thermally and fluidly coupled to the fuel cell coolant loop and the brake resistor coolant loop. In a fuel cell cooling operating mode, heat is transferred from the fuel cell system to an ambient environment through the fuel cell radiator and the brake resistor radiator.

The invention discloses a hydrothermal management control method and device for a multi-module fuel cell power generation system, the multi-module fuel cell power generation system comprises a plurality of fuel cell modules connected in series or in parallel, and each fuel cell module is provided with a corresponding heat exchanger; the hydrothermal management control method comprises inner circulation control and outer circulation control which have a synergistic effect. The internal circulation control comprises the following steps: arranging a thermostat on the internal circulation side of each heat exchanger, and controlling the flow of hot side water flowing through the heat exchanger by adjusting the opening degree of the thermostat, so as to control the temperature of the fuel cell module; the outer circulation control comprises the steps that a flow adjusting valve is arranged on the outer circulation side of each heat exchanger, and the multiple flow adjusting valves are connected with an outer circulation water pump; by adjusting the opening degree of the flow adjusting valve, the temperature of the mixed external circulating liquid reaches the target temperature; the opening degree of the thermostat is within a preset working range by adjusting the rotating speed of the outer circulating water pump. According to the invention, cooperative control of internal and external water heat management can be realized.

The present disclosure provides a thermoelectric converter comprising a working fluid and a pair of membrane electrode assemblies (MEAs). Each MEA comprises a pair of electrodes and a thin film electrolyte membrane sandwiched between the electrodes, which electrodes are conductive and permeable to the working fluid. The membrane is conductive to the ions of the working fluid and has a thickness of 0.03 μm to 10 μm. At least one electrode of each MEA comprises a non-porous dense metal. One electrode of each MEA contacts the working fluid at a first and higher pressure, while the other electrode contacts the working fluid at a second and lower pressure. The first MEA is configured to compress the working fluid from a second pressure to a first pressure, and the second MEA is configured to expand the working fluid from the first pressure to the second pressure.

The present invention relates to a dimethyl ether (DME) reforming system for a smart farm and power plant, and the purpose of the present invention is to provide a DME reforming system for a smart farm and power plant, which generates carbon dioxide and hydrogen using DME as a raw material, and supplies a fertilizer and electric energy to a smart farm, and which minimizes the generation of environmental pollutants, in particular, the generation of CO2 in a DME reforming process.

The present invention discloses a water-heat-electricity trigeneration system based on a solid oxide fuel cell, comprising: a solid oxide fuel cell; a first air preheating device; a second air preheating device; a burner; a reformer; a fuel preheating device; a fuel supply device; a heating device; a hot water tank; a water purification device; and a water purification tank. The water-heat-electricity trigeneration system based on a solid oxide fuel cell according to an embodiment of the present invention can simultaneously provide water, heat, and electricity, and has the advantages of wide applicability and high efficiency.

The present disclosure relates to fuel cell systems. A fuel cell system includes a plurality of fuel cell units, each fuel cell unit configured to generate lower voltage DC power. The fuel cell system includes a plurality of DC-DC converters, each DC-DC converter electrically connected to each fuel cell unit and configured to convert the lower voltage DC power to higher voltage DC power. The fuel cell system includes a main load power conversion unit, the main load power conversion unit electrically connected to the plurality of DC-DC converters and configured to output a main load. The fuel cell system includes an auxiliary load power conversion unit, the auxiliary load power conversion unit electrically connected to the plurality of DC-DC converters and configured to output an auxiliary load.

A ring-shaped solid oxide fuel cell assembly, for an aircraft engine, with a ring-shaped inner manifold, a ring-shaped outer manifold arranged coaxially around the inner manifold, wherein one of the manifolds comprises a hydrogen inlet and the other comprise a hydrogen outlet, a plurality of tubular solid oxide fuel cells arranged radially between the manifolds, wherein each fuel cell comprises an anode formed as an inner tube, an inner end fluidly connected to the inner manifold and an outer end fluidly connected to the outer manifold, a cathode formed as an outer porous tube around the anode, and, between, the anode and the cathode, an electrolyte. For each fuel cell, an inner electrical contact electrically connects at the inner end of that fuel cell to the anode or the cathode, and an outer electrical contact electrically connects at the outer end to the other.