Solid Electrolyte Fuel Cells TRIZ Cases

Lateral conductive tabs on flexible gaskets adapt to varying pitches, reducing labor costs and improving voltage monitoring accuracy.

A fuel cell metal separator structure incorporates an electrically conductive spacer between adjacent corrugated separators to maintain electrical continuity.

Biphenyl novolak epoxy resin composition with phenolic curing agent and imidazole accelerator prevents swelling and cracking while maintaining low water uptake.

A stackless planar fuel cell design integrates flexible printed circuit boards with catalyst-coated membranes into a single laminated unit.

Air pressurizing mechanism draws leaked hydrogen into the enclosure for cathode processing.

Flat SOFC assembly with ceramic gas diffusion plates and metallic grids resists thermal stress during rapid cycling.

Through-holes in the electrolyte membrane absorb swelling and contraction stress, preventing gas leakage while extending fuel cell lifespan.

A fuel cell separator combines thermoplastic resin with graphite particles and carbon fibers to create a conductive composite sheet.

A tapered adhesive layer on a resin frame's inner protruding portion bonds a polymer electrolyte membrane while allowing air bubbles to escape during assembly.

A fuel cell system uses hydrogen gas purging to suppress oxygen ingress into the cathode off-gas emission path after power generation stops.

Zirconium nanoparticles reinforce PVDF polyelectrolyte membranes to boost proton conductivity and elastic modulus.

Segmented spring portions distribute stress to prevent creep deformation, maintaining surface pressure and power generation performance at high temperatures.

Inward recesses at triangular buffer vertices direct coolant flow uniformly, eliminating stagnation and resolving temperature distribution issues.

Conductive paths on ceramic electrolytes enable electrical resistance measurements to detect cracks, reducing inspection time and labor intensity.

A CNC hydraulic pressing machine compresses chromium powder mixtures to form dense green interconnects for solid oxide fuel cells.

A fuel cell system detects hydrogen leakage in supply piping by measuring residual pressure before startup.

Composite PTFE subgaskets resist deformation under high pressure while maintaining sealing capability to prevent water intrusion.

Arched separator plate webs bridge crossing channels to create stable fluid connections, reducing manufacturing rejects from precise positioning requirements.

Segmented gas channels maintain hydrogen concentration and prevent nickel oxidation by recirculating unreacted fuel through a low-pressure supply path.

Resin frame with low permeability filling layer prevents oxygen degradation of the electrolyte membrane.

A fuel cell bipolar plate incorporates an elastically deformable short-circuit element actuated by a pressurizable pressure compartment.

A titanium oxide coated carbon bilayer reduces contact resistance on metal plates to under 40 mohm cm2.

An L-shaped sealing member with a thin extended portion contacts the gas diffusion layer to prevent peripheral gas leakage in fuel cell assemblies.

Tapered ribs on a porous body prevent membrane drying and wetting by adjusting gas flow resistance.

An asymmetric stepped resin frame aligns gas diffusion layers via differential gaps, reducing membrane cost without compromising structural integrity.

Curved convex edges on fuel cell plates increase active surface utilization while reducing pressure drops in gas circulation.

Reducing sealing member surface roughness to 3.0 μm or less minimizes gas leakage, improving heat utilization efficiency in fuel cell stacks.

A fuel cell system rotates master power controller roles among stacks to equalize wear and extend operational lifespan.

A fuel cell separator plate uses merging parallel channels to maintain constant fluid pressure and flow speed across the electrode surface.

Segmented tri-block copolymers confine water uptake within polar blocks to maintain dimensional stability while sustaining high fuel cell performance.

Hydrocarbon proton exchange membrane with ether-free polyaryl backbone and acidic side chains creates phase-separated morphology for proton transport.

Disposable sealing elements enable reproducible tubular SOFC testing without destructive seals, overcoming unreliable protocols that hinder stack development.

Applying a Mn-Co-Y spinel coating to Fe-Cr interconnects suppresses insulating oxide growth, preserving electrical conductivity and catalyst activity.

A fuel cell frame uses a displacement guide to curve the cell structure during thermal expansion.

Localized surface roughness anchors insulating bonding materials on SOFC interconnectors, preventing gas leaks and electrical shorts.

A solid oxide fuel cell substrate modulates gas permeability across its structure to regulate internal flow paths.

An intermediate layer fills gas diffusion layer pores to boost joining strength and stop gas leakage.

EPM or EPDM seal member with 29 mol% ethylene-ethylene diad distribution suppresses polymer crystallization at extremely low temperatures.

A bipolar plate design uses coplanar fluid flow channels formed between corrugated plates to optimize coolant and reactant distribution.

An insulating film prevents metal ion dissolution from separators, protecting the electrolyte membrane from degradation.

A fuel cell system determines internal moisture content by performing a temporary current sweep while maintaining constant reactant gas supply.

A membrane electrode assembly uses a complex-forming agent to bind platinum ions and prevent catalyst loss.

Segmented finger protrusions distribute mechanical loads and ensure uniform coating formation on fuel cell current collector plates.

Integrating a gasket with the gas diffusion layer reduces hydrogen crossover and gas leakage in fuel cell stacks.

Cross-linked ethylene-propylene rubber seal member maintains elasticity at low temperatures.

Closed cathode and anode valves prevent oxygen infiltration that raises half cell potential, reducing carbon corrosion and extending stack life.

A gas diffusion layer substrate with a pore diameter to thickness ratio of 0.35 or more maintains electrical conductivity through carbon fibers.

Offsetting transition fuel channels from oxidant paths reduces coolant pressure drop by 45% in transition regions, resolving non-uniform distribution.

Stamping a single steel sheet forms transverse hydrogen and oxygen flow channels, eliminating welding sites that cause oxidation and corrosion.

Deepened anode end fuel flow channels prevent starvation and carbon corrosion during cold startup.