Fuel Cells TRIZ Cases
- Fuel Cell Pump Current Feedback for Humidity Control
Pump current signals humidity shifts, allowing controllers to adjust purge and cooling parameters to prevent membrane voltage drops.
- Fuel Cell Current Control via Dynamic Ramp Rate Adjustment
Dynamic current limiting prevents undervoltage trips and overheating by adjusting ramp rates based on measured cell hydration and thermal conditions.
- PEM Fuel Cell Controlled Shutdown Procedure
A controlled shutdown procedure for PEM fuel cells uses inert gas flushing and voltage monitoring to manage reactant supply.
- Fuel Cell Stack Repair via Degraded Cell Isolation
A method isolates degraded individual cells within a fuel cell stack by creating electrical bridges or disintegrating the membrane to maintain current flow.
- Fuel Cell Air Ratio Control Eliminates DC-DC Converters
A fuel cell control device adjusts air quantity to regulate output power directly.
- Fuel Cell System Partial Load Control
A fuel cell system distributes load current across multiple modules to maintain operation within a defined partial load range.
- Fuel Cell Separator Segmentation for Interface Pressure
Segmented separators prevent contact resistance by isolating resin frame pressure from the membrane electrode assembly interface.
- Fuel Cell Humidity Control via Pressure Differential
Pressure sensors measure differential across a humidifier to calculate humidity, avoiding liquid water interference that causes sensor malfunction.
- Fuel Cell Purge Circuit with Pressure Sensor Control
A fuel cell purging circuit uses a recovery tank and pressure sensor to homogenize gas flow.
- Fuel Cell Measuring Device Thermal Management
Indirect metal block connection dissipates heat while maintaining electrical insulation.
- Fuel Cell Polarization Data Acquisition Using Closed-Form Parameterization
Segmenting the polarization curve into distinct current density regions to determine parameters using minimal data points, reducing experimental time.
- Fastenerless Fuel Cell Stack Enclosure with Adjustable Clamping
Adjustable clamping bars secure a modular fuel cell stack enclosure, accommodating manufacturing tolerances while maintaining weatherproof protection.
- Fuel Cell Membrane Cutting Apparatus with Asymmetric Holder
A cutting apparatus for fuel cell assemblies uses an asymmetric lower workpiece holder to securely retain the membrane electrode during shearing.
- Fuel Cell Elementary Module Conductive Bridge Design
Conductive bridges bond fuel cell electrodes to oxidation units, eliminating heavy compression hardware and boosting power density per unit mass.
- Fuel Cell Composition Compensation via System Parameter Analysis
A fuel cell control device detects gas composition variations by measuring system voltage and catalytic oxidizer temperature.
- Fuel Cell Cathode Humidity Control via Bypass Valve
A water vapor transfer device manages cathode inlet humidity using a bypass valve.