Evaporative cooling system recovers water from cathode exhaust to supply fuel cell stacks, eliminating external water needs and reducing thickness.
Computing total generated electrical energy from startup estimates residual water volume, preventing membrane drying and gas flow path clogging during restart.
Segmenting the heat-up into high-temperature and catalytic phases accelerates start-up while minimizing carbon deposition on the anode.
Adjusts operating parameters to ensure uniform drying power along the fuel cell length, preventing membrane damage from non-uniform water removal.
A fuel cell air adsorber system measures intake air quantity and impurity concentration to calculate real-time filter loading.
Branch passage routes high-temperature off-gas to warm remote component parts in fuel cell systems.
Integrating a nested measuring probe into the pole plate enables direct acquisition of real-time internal pressure and temperature data for flow battery packs.
A fuel cell estimation device calculates power generation characteristics using voltage differences and reference curves.
Stabilizing fuel cell power generation before measuring AC impedance eliminates current variations from auxiliary equipment, ensuring high precision.
A ceramic blocking layer uses a frame structure to create narrow diffusion paths between electrolyte and electrodes.
Output voltage corrector calculates intersection of fuel cell output characteristic and load maximum power curve to prevent secondary battery overcharge.
A fuel cell system consumes residual oxidant gas during shutdown to suppress deterioration.
A fuel cell system controls water discharge valves to prevent freezing in low temperatures.
A solid oxide fuel cell separator plate features longitudinal and lateral channels to distribute reaction gas across the unit cell.
A discharge valve controls fuel gas removal by calculating an integral of upstream pressure changes over time.
Replacing mechanical regulators, a piezoelectric injector with feedback control eliminates spring degradation and leakage while maintaining stable pressure.
A fuel cell load controller dynamically allocates electrical power to correct internal system variables.
An injector in the hydrogen supply channel adjusts gas state via a control device to manage fuel cell operation.
Dynamic adjustment of cathode operating parameters maintains relative humidity while minimizing parasitic power loss from flow manipulation devices.
Primary face seal rubber layers affixed to separators clamp the solid polymer electrolyte membrane fluid-tightly between fuel and oxidant electrodes.
Electromagnetic induction probes detect individual cell voltages across the stack, eliminating system disruption while maintaining measurement accuracy.
A switching unit connects fuel cell stacks in series or parallel to isolate degraded units and maintain system power output.
Detects anode catalyst morphology changes using voltage patterns instead of separate cyclic voltammetry measurements.