Fuel Cells Grouping TRIZ Cases

Dense mixed conductor ceramic coatings reduce contact resistance and electrolyte loss in molten carbonate fuel cells.

An ejector mixes supply and purged hydrogen streams while a controller adjusts flow rates based on current generation to prevent impurity accumulation.

A recessed region on a fuel cell separator shields identification markings from abrasion, maintaining legibility during prolonged operation.

A fuel cell stack manifold uses a continuous flat inner wall to discharge generated water efficiently.

A forsterite-based gasket material provides electrical insulation and hermetic sealing between solid oxide fuel cell components.

An intermediary pressure plate distributes external compressive load uniformly across a fuel cell stack, eliminating stress concentration and chip formation.

A blower and bypass valve route unused hydrogen through an ejector, maintaining optimal pressure during power fluctuations.

Controllable electrical heaters absorb excess energy via thermal mass to buffer rapid load changes, reducing thermomechanical stress on fuel cell stacks.

Integrated end plate grooves route coolant flow to discharge trapped air, reducing part count and pressure loss in the fuel cell stack.

Dynamic water holdup estimation maintains optimal hydration levels, preventing flooding or drying that limits electricity production.

Adjusting silica and alkali content aligns sealant thermal expansion with interconnect plates, preventing cracking during thermal cycling.

Sacrificial side mounts break before rear anchors to absorb collision energy, protecting the fuel cell stack while reducing component complexity.

Varying interconnect channel cross-sectional areas equalizes fuel flow rates, reducing thermal stresses and anode oxidation in fuel cell stacks.

Plasma nitriding creates a transition metal nitride layer on stainless steel separators, lowering contact resistance and eliminating precious metal costs.

Segmented separator design increases output voltage while keeping current low, reducing drive unit efficiency losses.

Exposed corner portions on current collector protrusions restrain chromium diffusion into the bonding layer, preventing electric conductivity deterioration.

Recessed bead channels link coolant drain and air release passages to the flow field, resolving complexity in gas leakage prevention and discharge reliability.

Inclined sealant contact surfaces suppress gas leakage in metal fuel cell separators, reducing required fastening force and maintaining low contact resistance.

Spring coupling members in the separator absorb thermal expansion forces, preventing deformation of reactant gas supply sections.

Planar fuel cell stacks use segmented MEMS fabrication to boost power density while resisting thermal stress in portable electronics.

Preliminary chemical hydrogen adsorption into the cathode catalyst eliminates electric load requirements, reducing activation time and hydrogen consumption.

A fuel cell module directs condensed water from low temperature areas to high temperature zones for vaporization.

An integrated solid oxide fuel cell unit combines a reformer with flattened tubes and annular heat exchangers within a common housing.

Independent inflow and outflow channels with wide groove portions reduce pressure loss and internal resistance in redox flow batteries.

Protruded portions on separators align membrane electrode assemblies, preventing positional deviations that compromise sealing functions.

Friction stir welding joins conductive plate and rod terminals, reducing contact resistance caused by variable assembly states.

A fuel cell buffer system connects reactant gas passages to flow fields through guides, ensuring uniform distribution across the entire area.

Graded zircon distribution in SOFC fuel electrodes suppresses warpage while maintaining low electrical resistance.

Enriching fuel and air flows with liquid electrolyte vapor to maintain membrane content in high temperature polymer-electrolyte membrane fuel cells.

Segmented bi-polar plates with integrated manifolds resolve manufacturing precision trade-offs while ensuring reliable electrical contact.

Shared exhaust plenums between vertical stacks reduce system size while split air zones protect electronics from corrosion.

A corrugated metal separator uses buffer-defined flow fields to manage reactant gas distribution and coolant circulation within a fuel cell stack.

A silicone rubber composition cures into a separator seal for polymer electrolyte fuel cells.