Methods, systems, and apparatus for an energy or fuel sharing network system. The energy or fuel sharing network system includes an in-house fuel cell apparatus that is coupled or included within a home. The in-house fuel cell apparatus includes a generation and distribution unit. The generation and distribution unit is configured to generate energy or fuel and provide the energy or fuel to a vehicle. The energy or fuel sharing network system includes an energy or fuel sharing platform. The energy or fuel sharing platform includes a processor. The processor is configured to determine a location of the in-house fuel cell apparatus, and provide the location of the in-house fuel cell apparatus to the vehicle or a user device.

A fuel cell stack includes power generation cells, which are stacked in a vertical direction. Each power generation cell is configured to generated power by using gas. Each power generation cell includes a first hole and a second hole. The first holes of the power generation cells form a gas manifold. The gas manifold extends in the vertical direction, and the gas flows through the gas manifold. The second holes of the power generation cells form a passage. The passage is adjacent to the gas manifold and extends in the vertical direction. The gas manifold and the passage are connected to each other at upper ends of the gas manifold and the passage.

A hydrogen fuel cell, PV solar panel, and thermoelectric power generator powered all-electric mobile utility vehicle with an onboard regulated power supply with multiple power outlets and charging ports that uses DC/DC converters and DC/AC inverters to provide multiple DC and AC voltages to power or charge multiple external electrical devices, electronic instruments, electronic equipment, communications equipment, power tools, and vehicles simultaneously. A utility vehicle integrated with a component thermal management system GPS, Wi-Fi, ADAS, automotive Ethernet, telecommunications, real-time data reporting, warning notification capable, weather station, environmental sensors, with EMI, RFI, high voltage surge protection, circuit breakers, computer and supporting software programs which can be used in on-road, off-road and emergency response situations.

A gas detection device includes a gas sensor and a drive circuit. The drive circuit includes a measurement circuit, a power supply circuit, and a control circuit. The gas sensor includes a first electrode, a second electrode, a metal-oxide layer disposed between the first electrode and the second electrode, and an insulating film that covers the first electrode, the second electrode, and the metal-oxide layer, and has an opening that exposes part of a main surface of the second electrode. A resistance value of the metal-oxide layer decreases when gas containing hydrogen atoms contact the second electrode. When the resistance value of the metal-oxide layer falls outside a predetermined range, the drive circuit applies a predetermined voltage between the first electrode and the second electrode to restore the resistance value of the metal-oxide layer back into the predetermined range.

A redox flow battery system includes a redox flow battery that has a redox flow cell and a supply/storage system. The supply/storage system has first and second electrolytes for circulation through the redox flow cell. At least the first electrolyte is a liquid electrolyte that has electrochemically active species with multiple, reversible oxidation states. A secondary cell is operable to monitor concentration of one or more of the electrochemically active species. The secondary cell has a counter electrode, a flow passage that connects the counter electrode with the redox flow battery to receive the first or second electrolyte, a working electrode, and a separator. The working electrode is isolated from receiving the electrochemically active species of the first and second electrolytes except for a transport passage connecting the flow passage and the working electrode. The transport passage limits movement of the electrochemically active species to the working electrode.

A fuel cell system includes a fuel cell, a fuel gas supply channel, a regulator, an injector, and a controller. The controller drives the regulator in conjunction with the injector. The controller compares a fuel gas flow amount necessary for the fuel cell to generate electricity with a predetermined fuel gas flow amount, selects the fuel gas flow amount that is larger, and issues commands to the regulator and the injector. The predetermined fuel gas flow amount is set to be larger than the fuel gas flow amount necessary for the fuel cell to generate the electricity when a generated current or output of the fuel cell is smaller than a predetermined threshold value.

Fuel cell system with a combined fuel evaporation and cathode gas heater unit, and its method of operation A fuel cell system, in which the cathode gas heater and the evaporator are combined in a single compact first heat exchange unit which includes a first housing inside which thermal energy is transferred from the first coolant to both the cathode gas and the fuel.

A hybrid plug-in battery and hydrogen fuel engine vehicle with swappable modular hydrogen tanks and integrated with solar power generation system synergistically combines the advantages of electric vehicle, the solar powered electric vehicle, and the hydrogen fuel engine vehicle. This combination of battery electric vehicle and hydrogen fuel engine vehicle mitigates the issues of prolong charging time of battery electric vehicle and prohibitive high cost of fuel cell electric vehicle. This hybrid configuration of vehicle is able to take advantages of the electric vehicle charging station infrastructure and the hydrogen charging station infrastructure simultaneously. The introduction of the water electrolysis system into the new structure of the hybrid vehicle enables onboard hydrogen generation; has the advantage of conventional hybrid vehicle, but without using fossil fuel. The swappable hydrogen tanks comprise sensors and wireless communication electronic terminals to be shared by all vehicles.

A pump for a fuel cell includes a pump portion, a motor, a controller, a housing, and a temperature detector. The controller executes an activation control and a sensorless vector control. In the activation control, the controller executes a cold activation mode process when the outside air temperature is less than or equal to a set temperature. In the cold activation mode process, the controller executes at least one of increasing a value of an activation current supplied to the motor relative to when a normal activation mode process is executed or setting a supply duration of the activation current to the motor to be longer than that of when the normal activation mode process is executed.

The invention relates to a method for operating a fuel cell system (100), having a fuel cell stack (20) with a plurality of fuel cells (110) each having at least one cathode portion (K) and at least one anode portion (A), a compressor (10) for conveying air into the cathode portions (K), a pressure-sustaining valve (40), and a control device (50), the at least one cathode portion (K) being arranged downstream of and in fluid communication with the compressor (10) and upstream of and in fluid communication with the pressure-sustaining valve (40), the fuel cell system (100) having a high-pressure region (HDB) between the compressor (10) and the pressure-sustaining valve (40). The invention further relates to a control device (50) and to a fuel cell system (100).