Solid Electrolyte Fuel Cells TRIZ Cases

See how merging SOFC and PAFC exhaust gases drives a double-effect absorption chiller, eliminat

An insertable diaphragm in a tapered bipolar plate media guide adjusts reactant flow and humidity for faster fuel cell power changes.

Integrated seals and interconnects let a solid oxide cell stack run above atmospheric pressure without an external pressure vessel.

Branched separator channels and a cover member spread fuel and air evenly across the stack, reducing hotspots and concentration gradients.

A low-temperature solid oxide fuel cell powers vaporizer heating without recharging, cutting material use and enabling longer portable operation.

Rib protrusions pre-compress the GDL and frame member to stop groove sinking, cut gas-flow resistance, and reduce pressure loss.

A separator wall protrudes into the manifold hole to drain water droplets, preventing frozen gas passage blockage and improving fuel cell startability.

Rib recesses and inclined inner side surfaces keep the GDL taut, stabilize gas flow, and reduce pressure loss in fuel cells.

Ribs placed around the inter-cell seal control 20-70% compression, reducing permanent deformation and preserving fuel cell stack sealing.

Different roughness on exposed and covered surfaces improves coating adhesion, reducing chromium release and fuel gas leakage in fuel cell stacks.

A dual-pore microporous layer improves fuel cell gas and water transport while preserving catalyst contact and protection.

Open-pore oxide layers with smaller particles improve interlayer bonding, reduce peeling, and extend fuel cell stack durability.

A transitional proton-conductive edge layer redirects PEM overlap current through-plane, reducing cerium migration while preserving sealing and active area.

A metal porous support filled with ion conductor reinforces the membrane and scavenges radicals to sustain fuel cell operation in harsh heat and low humidity.

Cathode flue gas fills the hot box cavity and burner opening to improve thermal uniformity, cut heat loss, and shrink SOFC package volume.

A catalytic layer on the fuel cell polar plate resists voltage inversion, limits corrosion, and preserves contact resistance for longer stack life.

Alternating micro-channels and primary channels improve fuel cell gas distribution, cut pressure drop, and limit water buildup.

Integrated capillary cooling channels in HT-PEMFC bipolar plates remove heat without pumps, cutting stack complexity and weight.

Calculates anode nitrogen buildup from exhaust hydrogen measurements, enabling purge timing that protects fuel cells and limits hydrogen loss.

Interference elements in a fuel cell bipolar plate bypass channel raise flow resistance, redirecting fluid into the reaction area for better evacuation.

A graphite foil support with printed flow channels improves conductivity, gas-tight separation, heat dissipation, and fuel cell stack reliability.

Interlocking protruding and recessed gaskets improve fuel cell stack enclosure sealing, pressure uniformity, and leak resistance.

Potential-triggered semiconductor shunts in a PEM fuel cell membrane limit anodic spikes, reducing catalyst dissolution and carbon oxidation.

Integrated sensors on separators or frame members simplify fuel cell assembly while preventing displacement and enabling precise internal measurements.

A low-porosity oxide layer on a chromium metal support blocks metal diffusion while strengthening the electrode interface for longer-lasting cells.

Differential groove flow areas and wavy passages spread reactant gas across the diffusion layer to improve fuel cell power generation.

A reusable stack connection block integrates a size-adaptable humidifier to fit different fuel cell outputs without full system redesign.

Gas path pressure control balances coolant pressure during fuel cell filling to protect bipolar plates and shorten fill time.

A spring cap and load cell button let engineers add or remove stack load cells without changing compression load or causing seal leaks.

Elastic lamellas in fuel cell media ports vary flow area under pressure to balance operating media distribution and reduce asymmetrical forces.

Offset elevations create direction-dependent flow resistance that steers coolant into corners for more uniform fuel cell cooling.

Mechanically securing cell voltage taps on stack tension elements keeps fuel cell connections stable under vibration and simplifies cable assembly.

Non-parallel, partially overlapping receiving parts keep separator beads from over-compressing during stacking misalignment and preserve sealing.

Enlarged pillar contact surfaces activate fuel cell transition regions, improving flow distribution, active area, and stack power density.

A clip-shaped reaction surface gasket clamps the electricity-generating assembly to seal separator gaps, shrink stack size, and expand reaction area.

Impedance elements in the grounding path limit surge currents, prevent corrosion, and help isolate fuel cell segment faults faster.

Continuous first and second grooves guide generated water out of fuel cell gas passages, limiting blockage and oxidizing-gas pressure drop.

An aluminum separator uses a Ti/TiAl interface, conductive carbon film, and passivation sealing to resist acid corrosion while keeping contact resistance low.

Multi-layer Turing-pattern bipolar plates improve coolant, air, and hydrogen distribution to achieve more uniform cooling in compact fuel cells.

Partitioned inlet, cut-out, and outlet ports with bridge flow paths improve fuel distribution, cut residence time, and reduce pressure drop.

Shutdown depressurization below saturated vapor pressure removes residual moisture and helps prevent low-temperature fuel cell catalyst deterioration.

A cross-linked heat seal layer helps fuel cell gaskets resist heat and humidity, preventing gas leakage and long-term deterioration.

Voltage and current feedback trigger pull-up and pull-down cathode airflow control to limit stack drying, flooding, and overvoltage.

A wave-pattern separator improves reactant gas flow to the MEA in planar and thickness directions, removing porous members and lowering complexity.

A tapered rib end expands the downstream gas passage to speed reactant gas near the power generation portion without a large pressure drop.

Semi-circular channels and edge insulation help thin metal bipolar plates improve gas flow, sealing, and rust resistance in SOFC stacks.

Duct elevations and flow dividers reshape reactant flow to improve bipolar plate distribution while limiting pressure loss in fuel cell stacks.

Contacting separator projections and flat-backed gasket sealing suppress coolant and reactant leakage at fuel cell stack interfaces.

Lambda probes monitor anode exhaust composition so SOFC control can hold fuel utilization steady under fluctuating fuel supply conditions.

A porous Ni-based current collector adsorbs chromium vapor inside the fuel cell while preserving thermal shock resistance and power output.

Higher hydrogen flow and voltage pulsing remove CO from the fuel cell anode catalyst, restoring activity and stack durability.

A 3D metal porous body turns point contact with ceramic electrodes into broader contact, lowering SOFC resistance while preserving fluid flow.

A Ni-Sn alloy layer on a porous SOFC anode current collector suppresses steam-reforming catalysis, limiting carbon buildup and resistance rise.

Conductive polymer coating on metal bipolar plates absorbs metallic cations, preventing corrosion and ion release in proton exchange membrane fuel cells.