Fuel Cells Grouping TRIZ Cases

Separate fixing and sealing members with different softening points prevent cracking during cooling while maintaining firm fixation for reliable operation.

Sintered metal pressing members counteract differential thermal expansion warpage to maintain reliable electrical contact across repeated thermal cycles.

Extruding a thermoplastic parison into a mold creates gas-tight seals between channels, eliminating separate covers and reducing assembly complexity.

A fuel cell package uses conductive crossbars to electrically link adjacent cell elements within a sealed upper plate structure.

Mixed oxide grains in the Fe-based alloy reduce sinterability, preventing after-shrinkage at 900°C and ensuring mechanical stability.

Zirconium oxide reactor plates and pressure transducers control residence time to prevent carbon deposition in high-temperature fuel cell ducts.

Overhanging polymer lips insulate conductive bipolar plates, preventing accidental electrical contact and short circuits.

A laminated coating of ZnMn2O4 and (La, Sr)MnO3 perovskite oxide blocks chromium diffusion from the alloy substrate to prevent electrode poisoning.

Simultaneously applies stack current to a coolant heater and drive motor, preventing ice blockage in flow fields during sub-zero cold starts.

Integrating seal beads onto gas diffusion layers eliminates gasket misalignment, preventing leaks and stack failure during fuel cell assembly.

Latent heat storage device releases thermal energy to rapidly warm current collectors, eliminating slow startup delays caused by high thermal mass.

A dead short across PEM fuel cell terminals during startup prevents high voltage potential from developing.

Thermosetting adhesive bonding replaces mechanical screws, eliminating non-uniform force distribution and contact resistance in flat fuel cell stacks.

A fuel cell control unit adjusts a regulating valve open degree to modulate oxidant gas flow while maintaining constant compressor rotation speed.

Tailored flow control members balance oxidant distribution across cassettes without increasing pressure drops.

Integrating a bypass diode within the stack eliminates external jumper wiring, reducing thermal degradation risks and maintaining system efficiency.

A redox flow battery frame rim flow blocker extends into the cell opening to press against the electrode.

Segmented independent connection channels prevent reactant gas and water interference, ensuring complete discharge and maintaining power generation performance.

Integrated hollow profile transfers axial tension forces to end plates, eliminating coupling pin weakening spots and reducing assembly complexity.

Relocating relay assembly into stack case frees end plates for fastening members while reducing component count.

Integrating the stack, reformer, and high-voltage circuit reduces power line length and installation space while ventilation exhausts leaked gases.

Corrugated foil walls in a fuel cell reformer enhance convective and radiative heat transfer between the stack and combustor.

Flow grooves guide reactant gas while receivers support the membrane electrode assembly, preventing damage from tightening loads.

A stacked biofuel cell uses a gas diffusion layer to supply oxygen to the cathode while blocking liquid fuel.

Corrugated separator plates merge gas channels and electrical paths to reduce component count and sealing complexity in SOFC stacks.

Segmenting the interconnector into distinct functional layers suppresses counter cell formation and improves power generation efficiency.

Gas-gap devices segregate electrolyte streams between unit cells, preventing conductive paths that cause energy loss in redox flow batteries.

An integrated fuel cell stack enclosure merges side, upper, and lower covers with a unified mounting bracket to secure the assembly.

A crossover duct channels exhaust from a generator and oxidizing unit to a heat recovery steam generator.

Capillary action in a porous layer moves seepage water into a drainage promoting member, preventing accumulation that blocks oxidation gas flow.

A compact fuel cell integrates a thermostatic valve in the end plate to control heat transfer fluid flow between internal and external circuits.

Embedding the connector within the graphite end plate eliminates mechanical fasteners, reducing voltage loss and assembly errors.

A media supply plate integrates anode and cathode gas terminals with waste gas outlets into a single unit.

Turbine generator recharges fuel cell during mud circulation, eliminating battery disposal needs.

Load cancelling mechanisms mitigate tensile stress from gas diffusion layer expansion, preventing membrane electrode assembly breakage during dynamic operation.

Tapered fuel gas supply channels in a separator prevent leakage and reduce MEA stress while maintaining thermally self-sustaining operation.

Offset welds in bipolar plates force currents along sinuous paths to improve current density homogeneity across the membrane.

Laminated printed circuit boards integrate current collection and heating elements to reduce thermal gradients and flooding in fuel cell stacks.

Decoupling cathode pressure from stack current using a back-pressure valve resolves the conflict between rapid power delivery and voltage generation.

Segmented contact arrangements reduce mechanical stress from seal creepage by sintering glass ceramics only on the anode side for reliable electrical coupling.

Redox cycling antioxidants in solid polymer electrolyte membranes inactivate active oxygen, preventing membrane degradation from radical generation.

A porous hydrophobic vent member provides a gas diffusion pathway while preventing electrolyte leakage in amperometric sensors.

A fuel cell design distributes reactants uniformly across the active surface using a specialized manifold system.

An automated apparatus aligns and stacks fuel cell components using vacuum grippers and conveyor systems.

Segmented slip sheets with spaced protrusions prevent gasket adhesion, eliminating separator plate lifting during separation.

Controller opens bypass valve after power generation stops to discharge accumulated water, preventing valve fixation during subzero operation.

Real-time monitoring of membrane humidity prevents water condensation that occludes catalytic sites, ensuring reliable proton conduction.

Porous split fins in the cooling channel increase contact area and locally cool high-temperature regions, preventing fuel cell deterioration.