Portable Fuel Cells for Mobile Devices

Mobile power supply system using a pure electric chassis for efficient and clean power generation and distribution. The system has a detachable hydrogen fuel cell and lithium battery pack that can be swapped to extend range and provide hybrid power generation. The system also has an intelligent control system to optimize battery charging and fuel cell operation based on conditions. The pure electric chassis provides the vehicle propulsion. The system can be deployed as a mobile power source to areas with insufficient power by optimizing the deployment path using real-time traffic data.

Source

A fuel cell power generation vehicle that can provide both direct current (DC) and alternating current (AC) power output, as well as extended-range power to electric vehicles through fuel cell systems. The vehicle has an electric vehicle chassis with a battery pack and power system, and a separate upper fuel cell system. The fuel cell system has hydrogen supply, decompression, and fuel cell components. Power distribution, conversion, and contactors connect the fuel cell and battery systems. This allows the fuel cell to generate DC and AC power, and also feed DC power to the electric vehicle chassis and battery pack when needed.

Source

Composite fuel cell power supply system with improved energy management for extended durability. The system has multiple fuel cells, batteries, and converters connected in parallel to provide stable voltage output. It uses a master controller to coordinate the fuel cell, boost converter, and battery charging. The master sets target voltages for each component and pulls power from the most efficient source to meet load demand. This ensures optimal utilization of each energy source and prevents overdischarging.

Source

An integrated hydrogen fuel cell power supply system that can provide power for electric vehicles when traditional charging infrastructure is not available. The system contains a hydrogen fuel cell and an energy storage battery inside a sealed enclosure. Hydrogen is added to the enclosure to power the fuel cell, generating electricity that is stored in the battery. When hydrogen is not available, the stored battery power can be used. The system can also provide external power through connectors. This allows charging electric vehicles using hydrogen fuel cells as a mobile power source.

Source

A portable fuel cell system that generates and stores hydrogen using renewable energy like solar power, and converts the stored hydrogen back to electricity using a fuel cell. The system includes a hydrogen generator powered by solar panels, a hydrogen storage container, a fuel cell, and a switch to select between storing or releasing hydrogen from the container. This allows using green hydrogen generated from solar power to provide portable, zero-emission electricity.

Source

Universal fuel cell system that can operate with any type of fuel cell and any type of hydrogenated fuel. The system includes a fuel cell, an electronic control unit with precharging and control modules, and sensors to monitor environmental conditions. The control unit places the system in optimized operating modes based on sensor data. This allows adaptive operation with different fuel cells and fuels. The precharging module ensures the fuel cell can start in cold or low voltage conditions. The control module manages fuel cell operation and switching between modes based on environmental factors like temperature, pressure, and hydrogen concentration.

Source

Using a fuel cell vehicle as an autonomous power source by disconnecting it from the vehicle's internal circuits and connecting external circuits for fuel supply and electrical restoration. This allows the fuel cell to operate outside the vehicle as a standalone power generator. It involves using a separate fuel supply system to feed the fuel cell, and an external circuit to capture the electrical output. This enables the fuel cell to operate autonomously as a portable generator without being controlled by the vehicle's internal circuits.

Source

Integrated mobile emergency power generation and vehicle propulsion system using fuel cells for clean fuel vehicles like electric aircraft. The system allows an electric vehicle to generate its own power onboard instead of relying solely on external power sources. It includes fuel cell modules, hydrogen storage, power electronics, and an inverter to convert DC fuel cell power to AC for vehicle systems and external outlets. This allows the vehicle to operate as a mobile power station when grounded. It also enables autonomous flight with redundant fuel cell capacity. The system monitors and controls power distribution, provides thermal management, and allows fuel cell bypassing for ground operations.

Source

Hydrogen storage system for fuel cell vehicles that uses a flow rate adjusting valve to minimize pressure differences between hydrogen tanks. The system has multiple hydrogen tanks, a manifold, and a flow rate adjusting valve. The valve adjusts the flow rates from each tank based on their pressure difference, reducing pressure imbalances and improving safety compared to fixed flow rates.

Source

System for detecting hydrogen leaks in fuel cell vehicles without using costly hydrogen sensors inside the fuel cell stack. The system uses the purging air line that flushes the fuel cell housing to detect hydrogen leaks. The purging air outlet is directed towards an external hydrogen sensor located outside the fuel cell housing. The purging air flow carries any leaked hydrogen from the fuel cell housing to the sensor.

Source

Fuel cell exhaust system for fuel cell electric vehicles that allows accurate hydrogen content measurements while minimizing pressure loss and improving mixing. The exhaust system uses separate upper ducts with hydrogen sensors to divert a portion of the exhaust for analysis. This avoids moisture interference. The upper ducts are positioned above lower ducts in the tailpipes of two fuel cell stacks.

Source

Power supply system with multiple sources of hydrogen, fuel cells, and battery storage that can efficiently provide power to loads using a combination of sources. The system has a hydrogen supply unit with an electrolyzer, hydrogen storage devices, fuel cells, and battery storage. It switches and balances hydrogen supply between storage devices, fuel cells, and battery storage to optimize load powering. This allows efficient charging of storage devices while supplying hydrogen to fuel cells. It also enables supplying power to loads from non-charging storage devices. This improves hydrogen charging safety, reduces fuel cell and battery degradation, and allows efficient power conversion.

Source

Fuel cell unit and fuel cell power generation device with self-start capability and compact size suitable for portable and mobile applications. The fuel cell unit has a sheet-shaped reaction module that directly provides power to the control system, allowing self-start without auxiliary power. Multiple fuel cell units can be cascaded to increase output power. This eliminates the need for bulky compressors and backup power supplies compared to traditional cylindrical fuel cell stacks.

Source

Controlling power supply to fuel cell system components during start and stop to improve reliability and efficiency. The method involves using bidirectional DC/DC converters to provide power from auxiliary batteries when the fuel cell stack is not generating enough voltage during startup/shutdown. This prevents component failures due to insufficient power. The converters can also be used to boost voltage from the auxiliary batteries during normal operation. By intelligently switching between stack power and battery power, the system can provide stable power to components like BOP during transient conditions.

Source

Power supply system using a fuel cell, hydrogen generator, renewable power source, and battery to provide stable power to loads. The fuel cell uses hydrogen generated by the hydrogen generator. The power generation unit supplies power to both the hydrogen generator and fuel cell. The power supply unit switches between fuel cell power and generation unit power to load. A battery temporarily supplies load during switching. This allows stable power even when renewable sources are insufficient.

Source

Roof-mounted hydrogen fuel cell power supply for vehicles that allows detachable hydrogen tanks to be inserted into the roof for fuel cell power generation. The power supply has a main body with a detachable tank insertion hole. A fuel cell stack inside generates power from hydrogen in the tank. An external output is provided on the body. This enables using vehicle-less hydrogen tanks for external power, and swapping tanks for extended range. The roof-mounted design provides flexibility in tank placement and access. The power supply can also connect to vehicle batteries.

Source

Controlling a fuel cell system to prevent voltage issues when using both fuel cell and battery power simultaneously. The method involves coordinating the fuel cell output with the battery voltage to prevent the battery voltage from dropping below the fuel cell voltage. This prevents direct connection issues where the fuel cell output cannot be controlled. The method involves using a boost converter to combine the fuel cell and battery outputs, and controlling the fuel cell output based on the battery voltage to prevent it from falling below the fuel cell voltage.

Source

A modular, containerized emergency power supply system based on fuel cells for field applications. The system uses a parallel connection of a fuel cell module and an energy storage battery module to provide reliable and adjustable power for loads. A hydrogen storage module holds fuel for the fuel cell. A DC/AC module converts the fuel cell DC output to AC for loads. The modules are enclosed in a container with a heat dissipation module for thermal management. The modular design allows easy upgrading and replacement of components.

Source

Fuel cell system that reduces power consumption while maintaining responsiveness when power demand is zero. The system has a dual-stack fuel cell with separate supply devices for each cell. When overall power demand is zero, it shuts down one cell and stops supplying gas to it, while keeping the other cell running. This allows the open circuit voltage of the dormant cell to drop slightly, reducing power consumption. The active cell still provides the full output. This avoids wasting power in idle cells while maintaining quick response to future demand.

Source

Portable offboard power unit for electric mining equipment using hydrogen fuel cells and batteries to provide renewable power for heavy mining machinery like drills and excavators. The unit can be moved with the equipment between mining sites. It contains hydrogen fuel cells to generate electrical power, as well as batteries to store and supply power. This allows the mining machinery to be electrically powered using hydrogen fuel cells instead of diesel. The unit can be connected to the mining equipment via a trailing cable to enable mobility. The hydrogen fuel cells can be charged from renewable sources like wind or solar power.

Source