9results 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.

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.

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.

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.