Linear cathode channels in a bipolar plate reduce pressure losses while maintaining uniform gas distribution, minimizing water accumulation.
A diagnostic device detects anode discharge gas status between the fuel cell port and valve to identify component failures accurately.
An anode electrode with a fuel-bearing liquid cavity supports biofilm oxidation in aerobic environments.
An alicyclic polymer electrolyte enables fuel cell operation at 90 to 140°C, eliminating the need for humidifiers and radiators.
Segmented discharge ports with varying areas reduce purging time while preventing excessive fuel gas emission concentrations.
Obtuse side channels wick liquid water away from main flow paths, stabilizing reactant supply and reducing voltage variability.
Varying channel cross-sections equalize flow distribution to prevent performance loss from uneven reactant gas pressure.
A fuel cell bus bar incorporates a spring mechanism to absorb thermal expansion differences between the cell stack and package.
Valves connect individual cooling lines to a common network, allowing cross-system heat transfer to prevent shutdowns during thermal overload.
A fuel cell system limits output voltage using a high-potential avoidance threshold during intermittent operation.
Pressure control valve sets negative pressure to maintain minimum fuel flow rate through the raw material pump.
A fuel cell system uses electrical storage to stabilize power output for submarine energy supply.
A fuel cell stack combining method ranks stacks by estimated future output power to optimize parallel system configurations.
Radiant burner heats fuel cell enclosure, eliminating external electrical heating needs.
Operating the reformer as a burner with excess oxygen rapidly reaches start temperature, reducing fuel consumption and emissions during cold starts.
A control unit estimates fuel gas discharge using current and pressure detection to differentiate lost and consumed amounts.
A solid oxide fuel cell system integrates an electrochemical hydrogen pump to separate purified hydrogen from process gas streams.
Dynamic hydrogen pressure adjustment based on anode concentration accelerates gas substitution while suppressing excessive potential increases.
A fuel cell bypass channel introduces oxidizing gas to dilute hydrogen in off-gas streams.
Segmented anode manifolds deliver hydrogen gas simultaneously to fuel cell stacks, preventing voltage degradation caused by non-uniform flow during start-up.
A fuel cell system maintains a hydrogen to oxygen molar ratio of two or more during stoppage.
A fuel cell control method shortens scavenging time during shutdown to reduce energy consumption.
Flow field plates with high and low capillary force regions direct liquid migration away from reactant paths, preventing water accumulation and ice blockage.
A fuel cell air supply controller calculates stack request power to adjust blower speed for precise airflow matching.
A fuel cell cooling system uses a bypass flow passage to divert coolant from the main circuit for secondary heat exchange.
A fuel cell humidifier valve uses pressure differentials to mix supply air with exhaust gas.
A fuel cell startup method uses voltage detection to manage hydrogen supply and oxygen removal during the initial phase.
Parallel cooling water flow paths between anode and cathode separators eliminate stepped portions that cause manufacturing deviations and uneven distribution.
A fuel cell model predicts relative humidity profiles using operating characteristics and high frequency resistance measurements.
Varying channel lengths reduce reactant gas leakage at the electrode periphery, preventing stress-induced membrane deterioration.
Portable anode protection system generates reducing gas to prevent nickel re-oxidation in the anode layer during shutdown, ensuring structural stability.
A centrifugal water separator removes liquid droplets via tangential entry without mesh barriers.
Bypass passages dilute residual gases to prevent catalyst deterioration from hydrogen concentration gradients.
A fuel cell control unit adjusts scavenging processing duration based on stopping conditions to conserve battery power.
Pump circulates cooling medium through ion removal device to reduce conductivity, preventing unpleasant driving noise during vehicle startup.
Angled scavenging reservoir passageways maintain fluid flow during ice formation, ensuring reliable fuel cell startup in freezing conditions.
Vapor pressure control supplies moisture to the polymer membrane, enabling closed-loop operation without external water or gas supply.
A fuel cell system estimates anode off-gas discharge using a differential pressure detection unit and control logic.
Anode pressure control prevents ice blocking during cold starts by suppressing water generation, maintaining voltage stability without extra components.
System detects anode starvation by correlating minimum cell voltage with pressure changes, correcting hydrogen partial pressure to prevent electrode damage.
Dynamic fuel flow control maintains combustion gas temperature profiles, preventing thermal degradation and carbon deposition during start-up.
A fuel cell control unit restricts electric power output using accumulated current value correlations to maintain safe operating conditions.
A fuel cell fluid circulating device uses periodic forced driving to prevent mechanical sticking during operation.
Grooved rubber walls prevent seal intrusion into connection channels, reducing assembly complexity while maintaining sealing performance.
A recirculation pump adjusts speed using pressure drop and temperature to maintain hydrogen concentration in fuel cell anodes.
Applying direct current to transfer hydrogen and consume oxygen in a fuel cell stack during suspension.
An enclosed separator unit integrates heating devices within a housing thermally connected to the gas space to maintain temperature above freezing.
A multi-channel electrochemical impedance spectroscopy analyzer connects individual fuel cells via a matrix switch for automated testing.
Axially movable fuel cell components manage thermal expansion to minimize gas leakage and eliminate rigid sealing requirements in solid oxide fuel cell systems.