Fuel Cells Grouping TRIZ Cases

A flat fuel cell assembly uses a gas barrier material layer to recycle water from the cathode to the anode.

An elastic annular packing compresses between frames and bipolar plates to resolve sealing reliability versus assembly difficulty and stress concentration.

Consolidating pumps and valves within end plates reduces stack volume while maintaining gas pressure control.

A chromium getter material captures vapors in the oxidizing gas flow path, preventing cathode poisoning and extending operational life.

Current pulsing restores catalyst activity in a fuel cell stack, and an electrical storage device clamps voltage peaks to prevent carbon corrosion.

A projecting bipolar plate supports the insulation element to maintain operating media flow in fuel cells.

Replacing rigid steel sleeves, a selective permeability membrane provides EMI shielding and thermal insulation to resolve sealing weight trade-offs.

An annular fastener band replaces rigid bolts to reduce surface area and heat radiation in compact fuel cell stacks.

A metal seal member forms a protective barrier against reducing environments for vulnerable glass ceramic seals.

A chromium-getter contact layer captures volatile chromium species from stainless steel interconnects, preventing cathode degradation during humid operation.

Distinct electrolyte flow paths balance pressure across ion exchange films, reducing shunt current losses in redox flow batteries.

Corner restriction members and a rotation suppressing member suppress misalignment between unit cells while reducing stack mass and cost.

Azimuthal flow mixing structures redirect fluid streams within fuel cell stacks to eliminate radial temperature gradients and improve operational efficiency.

A framed bipolar plate with a contoured center portion directs reactant gas flow across the electrochemical package.

A protruding catalytic portion contacts an edge protective layer to prevent direct gas diffusion layer contact that causes electrolyte membrane pin-holes.

Elastic body parameters compensate for stack thickness variations, ensuring even load distribution and preventing excessive or insufficient clamping forces.

A virtual sound source generates distinct acoustic feedback from fuel cell stack sensor data.

Extended current collector segments contact and support zones to reduce stack compression load and relax manufacturing tolerances.

Hydrophobic gas passages and hydrophilic liquid channels in the electrode structure separate gas and liquid phases, reducing water accumulation at the cathode.

Segmented bipolar plates with protruding manifolds prevent gasket blockage while maintaining uniform current and thermal density.

A filtered insulating plate fixes the cell element to prevent leakage while allowing electrolyte injection through controlled pores.

Segmenting coolant and gas pipes across front and rear sections reduces pressure losses and pipe weight in the fuel cell system.

Segmented elastic bodies in a battery module control restraining loads during lithium-ion cell expansion, preventing active material alteration.

Pre-oxidizing metal interconnects prevents high-temperature distortion and stress in electrolytic cell stacks.

A glass composite seal joins solid oxide fuel cell cassettes using alkaline earth aluminosilicate and viscous glass layers.

A floating connector aligns cell stack fittings during insertion, enabling secure connections without direct tool access in confined spaces.

A water vapor transfer separator assembly uses discrete supports to define dry side flow channels between wet side plates.

Slit-based connector segments distribute mechanical loads across thin tabs, preventing collapse while maintaining alignment.

Monomodal YSZ powder creates a uniform bonding layer that reduces interconnect cracking and stabilizes area specific resistance during thermal cycling.

Differential thermal expansion between the cover and fastening member maintains parallelism between unit cells despite varying component rigidity.

A cobalt oxide layer on an iron-chromium alloy substrate creates a conductive interconnect for solid oxide fuel cells.

Segmented internal manifolding with periodic fuel delivery ports reduces pressure differentials and material costs while enabling taller stack configurations.

A fuel cell stack uses titanium separators for positive-side end cells to prevent corrosion while maintaining standard materials elsewhere.

A fuel cell system shifts to a low-efficiency operation point while maintaining stable auxiliary machine voltage through DC/DC conversion.

Continuous edge welding fuses stacked flow-field plates, eliminating separate sealing members and reducing assembly errors in fuel cell stacks.

A controller compares measured coolant outlet temperature against expected values to identify pump failure in fuel cell stacks.

Dense glass coatings shield silver seals in solid oxide fuel cells, preventing vapor-induced degradation and gas leaks.

Open flowfield bipolar plates distribute reactant gases evenly across fuel cell electrodes, resolving pressure drop and structural integrity trade-offs.

Surface mount devices with bonded and spring contacts measure fuel cell voltages, converting electrical signals into optical data for remote detection.

A fuel cell separator uses a projecting section to inhibit seal member contraction and deformation.

Evaporative cooling channels remove stack heat and humidify intake air through negative pressure, eliminating separate thermal loops.

Dual-pore PVDF reinforcing membranes integrate with frames to suppress cross leakage and maintain power generation efficiency.

Communication channels in the partition wall facilitate water movement through capillary action, resolving dry condition gas diffusion blockage.

A spinel-type composite oxide layer on a chromium substrate blocks metal diffusion to protect fuel cell components.

A solid oxide fuel cell electrolyte features smoother regions adjacent to fuel openings alongside interconnects that exclude conductive perovskite layers from fuel inlet risers.

An electrical anode protection system supplies predefined voltage to fuel cell stacks.

Vented bolt voids channel diffusing hydrogen and ions into airflow, preventing accumulation that causes combustion and electrical shorts in fuel cell stacks.

Angled bipolar plate facets create V-shaped grooves that harness capillary forces to draw liquid water away from reactant channel exits.