Fuel Cells Grouping TRIZ Cases

Segmented flat plates overlap to prevent dimensional collapse and decouple thermal stresses from the ceramic cell, eliminating bypass channels.

A polymer electrolyte fuel cell uses optimized channel width ratios to manage water distribution across the membrane electrode assembly.

A controller diagnoses fuel cell bleed manifold valve blockages by sequencing valves and measuring pressure differentials across flow restrictions.

Independent springs in a spring module distribute fastening load uniformly, accommodating thermal expansion and creep deformation of the fuel cell pile.

Compressed air jets flatten warped separators before lamination, ensuring even sealant thickness and preventing leakage caused by uneven surfaces.

Constant depth reactive gas turn portions prevent breakage at orthogonal corners, maintaining manufacturing precision and structural integrity.

A fuel cell separator design integrates gaskets into frames via injection molding to bond components securely.

Patsnap Eureka TRIZ case: Controller maintains high voltage during startup to prevent non-uniform current flow and fuel cell deterioration.

Periodic current modulation enhances membrane hydration, reducing stack temperature and preventing performance degradation from drying.

Optimized chromium-ferritic steel compositions limit oxide thickness to prevent delamination, maintaining low area-specific resistivity during thermal cycling.

A cell voltage monitoring sub-system uses differential amplifiers to compare positive and negative side voltages of adjacent fuel cells.

An aqueous zinc-bromine electrolyte containing sodium dodecyl sulfate promotes uniform zinc deposition, reducing dendrite formation and membrane degradation.

Jet arrays in manifolds distribute gases uniformly to suppress flooding and maintain membrane durability under varying loads.

Conductive bonding agents join solid oxide fuel cell electrodes to interconnect layers using composite materials.

Integrating a metallic body into a polymeric frame reduces generator weight by 30% while improving electrical insulation.

Composite pressure plate assembly uses a flexible stainless steel backbone to redistribute clamping load across the fuel cell stack.

Composite copper and nickel plating on a flexible base prevents conductor corrosion while maintaining low electrical resistance.

Patterned rollers replace complex molding presses to produce three-dimensional metal porous separating plates with reduced flow friction resistance.

Elastic body protrusions tightly adhere to separator and plate member surfaces, preventing fluid leakage while reducing reaction membrane area.

A hydrogen electrode uses a mixed conductivity oxide sinter to fix fine metal catalyst particles on the electrolyte surface.

A fuel cell stack merges impurity removal, heat insulation, and current collection into a single non-electricity generating cell.

Alternating flow directions in fuel cell channels remove water masking catalyst sites, increasing hydrogen utilization and power output without venting.

A fuel cell water impermeable layer blocks metal ions from reaching the solid polymer electrolyte membrane, preventing rapid deterioration of the electrolyte.

Separate pressure means for active and peripheral areas maintain uniform membrane contact while allowing adjustable sealing force.

A glass-ceramic composition transforms from amorphous to vitrocrystalline state upon heat treatment.

Stacked metal plates bonded within a plastic injection molded body create a lightweight structural component for fuel cell applications.

An extruded polymer electrolyte membrane aligns its high strength direction with the inlet manifold to manage clamping stress.

A fuel cell design incorporates a midstream region with higher water vapor transfer resistance between the anode and cathode sides.

Integrated seal support merges with fuel cell plate to prevent leakage while maintaining reactant flow velocity and minimizing manufacturing costs.