Collectors/Separators TRIZ Cases

Merging the reaction force receiving function into the separator structure reduces part count while maintaining reliable sealing.

Distinct pitch ratios between adjacent separators maintain stable contact areas and reduce pressure loss despite stacking misalignment.

A variable pitch microchannel pattern directs fluid flow through a fuel cell bipolar plate using an inverse permeability field.

A modular fuel cell device uses standardized units and universal mounting plate connections to enable flexible power capacity expansion.

Sealing plates integrate voltage measuring terminals to enable direct electrical monitoring within the fuel cell stack assembly.

A fuel cell separator uses perpendicular ventilation apertures to distribute reactant gas across the catalyst layer.

Recessed bottom walls in the end cell direct water into bypass passages, preventing ingress into power generation cells and maintaining gas supply efficiency.

A cathode plate with intersecting gas passages distributes air across fuel cell electrodes.

A hygroscopic fuel cell plate manages water distribution through capillary action within its composite structure.

Flat cathode separator covers cooling channels to minimize temperature deviations across the fuel cell stack.

A perforated bipolar plate flow field creates pressure differences to draw liquid droplets into passageways between adjacent channels.

Tunnel height adjustments equalize line pressure between straight and curved seal portions, preventing leakage and buckling.

Recessed barrier elements in a separator plate prevent coolant bypass into bead interiors, reducing pressure losses and improving cooling efficiency.

Thicker outer frame sheets absorb differential pressure between reactant gases, preventing structural peeling and membrane damage.

Segmented interconnect design matches support frame CTE to electrolyte, reducing thermal stress while lowering manufacturing costs.

Varying wavelength and amplitude along flow direction maintains pressure loss to improve power generation efficiency.

Segmented bipolar plate zones mix coolant via overlapping ribs to equalize temperature distribution while limiting pressure drop in electrochemical reactors.

Independent channel segments sustain upstream-downstream pressure differences, preventing water accumulation and freezing in fuel cell manifolds.

Split corners in raised bead seals reduce average corner contact pressure, preventing leakage under extreme loads.

Segmented gas channels with distinct cross-sectional areas resolve the trade-off between improved gas flow and increased pressure loss in fuel cell stacks.

Composite metallic glass structures lower weight while extending lifespan through superior corrosion resistance.

Recessed traps in the separator passages prevent warping while maintaining consistent gas diffusivity.

A fuel cell flow plate uses direct material application to form a porous conductive layer on gas guide ribs.

Austenitic steel reduces nickel content to lower costs while maintaining hydrogen resistance and strength via optimized alloying elements.

Porous current collectors establish continuous electrical contact across fuel cell bipolar plates.

Segmented elastomer frames prevent lamination deformation to maintain gas flow path integrity and airtightness in fuel cell unit cells.

A fuel cell separator uses a pressure receiving member to absorb impact loads and maintain seal integrity.

Inclined path enlarging portions in the cathode separator enhance gas diffusivity while suppressing pressure drop across the porous body.

A fuel cell separator uses segmented guide patterns to direct fluids from inlet manifolds toward the central unit cell region.

A reinforcement rib extends from the fuel cell separator to enhance joining strength with the load receiver member.

Optimizing the radius of curvature and angle within a specific zone suppresses seal surface pressure variation along the seal bead extension direction.

Segmented fuel cell units with ceramic interconnectors resolve electrical connection complexity while scaling power output and enhancing reliability.

Segmented flow field with rounded corners disperses load to prevent gas diffusion layer deformation while maintaining air transfer performance.

Segmented perforated sheets with straight through-grooves reduce cooling liquid volume and weight while maintaining efficient heat transfer.

A fuel cell frame uses a protrusion bump to create a gas channel.

Porous woven fabric in the bipolar plate distributing regions enhances gas flow efficiency while reducing water accumulation at the cathode.

Asymmetric insulating gaskets on fuel cell separators prevent reactive and dummy cell mixing, ensuring accurate stack assembly and improved durability.

Sealing groove positioning unit fixes rubber body alignment, resolving trapezoidal cross-section centering difficulties.

Raising the groove base in transition regions reduces reshaping stress and material thinning, preventing cracking during bipolar plate manufacturing.

Liquid gas diffusion layer with unobstructed pores eliminates micropore blockage by bipolar plate lands, reducing ohmic losses and parasitic pumping costs.

Integrated flow rectifying portion with protruded portions and coupling portion adheres to separator main body.