Collectors/Separators TRIZ Cases

Crimped positioning openings align bipolar plate halves with one tool, improving welding accuracy and reducing leaks and thermal damage.

Integrated oxidant, fuel, and coolant channels in metal bipolar plates cut stack weight, simplify manifolds, and improve cooling uniformity.

A spaced bypass stopper and metal bead let the seal deform under compression, improving seal pressure and blocking reactant gas leakage.

Compensating regions in bipolar plate flow fields absorb MEA thickness variation, reducing separator plate damage under dynamic load.

A waveform porous body with zigzag flow holes prevents diffusion-part clogging, reducing pressure loss and improving fuel cell gas distribution.

A compliant layer and coated peripheral seal reduce thermal stress and electrical disconnection between the stack and manifold plate.

A composite anode flow field with hydrophilic and hydrophobic layers improves water recirculation, lowers resistance, and reduces fuel cell flooding.

Regional duct patterns and hydrophobic or hydrophilic surfaces improve gas distribution, water drainage, and current density in electrochemical cells.

A pointed bypass stopping element compresses the membrane electrode assembly at the flow-field edge to block reactant bypass and leakage.

Preformed protrusions beside the separator bead stop liquid rubber from flowing during curing, improving gasket shape control and yield.

A thin carbon layer over a controlled oxide film helps fuel cell separators resist corrosion while keeping low contact resistance.

A shaped sacrificial separator region near the coolant manifold spreads electrolytic corrosion, extending fuel cell stack life at lower cost.

Offset elevations create direction-dependent coolant flow in bipolar plates, pushing water into corner areas to reduce temperature peaks.

Doped conductive silicon plates integrate current collection and cooling channels to cut fuel cell plate cost, corrosion, and stack complexity.

Differentiated separator contact pressures fix the resin-framed MEA, suppress fluid leakage, and protect the membrane during stack compression.

Metal sensing terminals engage separator recesses during insertion, simplifying fuel cell stack mounting and preventing terminal detachment.

A bent positioning surface cuts guide-bar friction during fuel cell stacking, limiting separator deformation while keeping alignment accurate.

Interlocking separator protrusions suppress bead deformation under compressive load, preserving fuel cell gasket sealing while reducing welding steps.

By keeping the electrode-frame overlap inside the flow field section, this fuel cell clears buffer flow paths and cuts reactant gas pressure loss.

A recessed pocket and flow guide redistribute air and water in a fuel cell bipolar plate to improve flow uniformity and thermal regulation.

Oblique gallery edges extend transfer point arrays to optimize fluid distribution and reduce pressure drop in fuel cell assemblies.

A fuel battery cell substrate uses asymmetric gas flow path structures to optimize reaction distribution across the stack.

Spacer prevents plastic deformation and sintering of current-collecting members, ensuring reliable electrical connections under high temperature.

Resin frame assembly manages thermal expansion to prevent electrolyte membrane breakage during temperature drops.

Riblet elements with inclined surfaces create vortices that improve heat transfer while discharging condensed water along downward paths.

Varying guide channel height and width resolves the trade-off between media supply efficiency and mechanical stability in compact electrochemical stack designs.

PCB holding plates integrate fluidic networks and electrical connections to resolve complexity trade-offs in compact fuel cell designs.

Intermediate convex portions stabilize resin films on membrane electrode assemblies, preventing gas bypassing and leakage.

Asymmetric flow obstacles in serpentine channels divert reactants toward ribs.

Corrugated bipolar plates integrate coolant channels between structural layers to enable efficient thermal management in fuel cell assemblies.

High-frequency induction heating warms fuel cell separator substrates to enable uniform antimony-doped tin oxide film deposition.

Asymmetric hole pattern in corrugated bipolar plate drives transverse gas flows to resolve water accumulation and uneven current density.

Side baffles apply compressive stress to fuel cell stacks without bores or tie rods.

Steel alloy forms a self-healing oxide layer to protect surfaces from high-temperature corrosion, eliminating expensive external coatings.

A contoured end plate unit uses multiple planar regions to apply tailored compression forces, preventing damage from uneven loads across the fuel cell stack.

A fuel cell separator employs a metal base material with carbon and titanium nitride layers to suppress oxidation and maintain durability.

Mechanical fastening replaces spot-welding to eliminate metal burrs and spring-back, ensuring air-tightness in fuel cell stacks.

Laminated porous films enclose the membrane electrode assembly to prevent warpage during handling while maintaining gas permeability for efficient operation.

Variable width fluid grooves in fuel cell separators enhance joining strength while defining a common coolant flow path to reduce pressure loss.

Ferromagnetic elements align bipolar plates with membrane electrode assemblies, reducing assembly errors and component damage.

Restraining ribs on a low-rigidity frame prevent deformation from blocking gas channels, ensuring uninterrupted reaction gas flow.

A fuel cell separator bypass flow path directs air from the inlet manifold directly to the reaction surface, bypassing the diffusion part.

Inclined stack case side walls house fuel cell units efficiently, suppressing size increases that complicate manufacturability and raise equipment costs.

Segmented communication passages with varying opening areas manage water flow to prevent membrane drying and maintain proton movement.

Protruding tunnels on a metal separator bead seal distribute compression load, maintaining uniform surface pressure without expensive elastic rubber seals.

Segmented separator grooves maintain convex engagement while maximizing air channel drainage, reducing electrical resistance.

Angled channel overlap in profiled bipolar plates reduces pressure loss and prevents clogging by promoting homogeneous gas distribution.

A Group 11 metal layer on an interconnector surface blocks chromium diffusion while maintaining high electrical conductivity.

A solid oxide fuel cell separator integrates conductive patterns into groove structures to enhance electrical conductivity.

A fuel cell separator member features a positioning hole with an extending reinforcing rib and joint portion to enhance structural rigidity.