Fuel Cells Grouping TRIZ Cases

Nested datum structures on bipolar plates prevent inter-cell sliding under high acceleration loads up to 160 g without adding weight or complexity.

A battery cell stack uses a deformable cushion member between current collector and end bipolar plates to maintain electrical conductivity.

A fuel cell monitor cell uses controlled hydrogen pressure loss to detect system abnormalities.

A clad copper wire with Crofer cladding conducts current in fuel cell current collectors while resisting oxidizing and reducing environments.

Segmented housing with a heat exchanger separates stagnant and ventilated zones, reducing corrosion risks while maintaining cooling efficiency.

Segmented open electrolyte flow channels with weirs minimize ionic leakage currents and ensure uniform pressure distribution in fuel cell stacks.

A bipolar plate uses structural ribs to form fluid communication channels between peripheral cut-outs and active zones.

A bonded polyimide fuel cell package integrates resistive heaters and fluid manifolds into a single layered structure.

Segmented gas-flow passages with internal reinforcing portions prevent deformation and leakage while minimizing pressure loss in fuel cell stacks.

Dynamic cathode stoichiometry control minimizes relative humidity excursions during stack load transients, preventing membrane drying or water accumulation.

Ribs on a resin fluid manifold member reduce weight while maintaining structural integrity and improving heat dissipation efficiency.

Inclined grooves on bipolar plates direct electrolyte flow through independent introduction and discharge paths, resolving insufficient circulation at corners.

Segmented gas passages eliminate pressure loss from comb-shaped designs, ensuring stable fuel supply and improved electrical efficiency.

A hydrophilic coating applied to unipolar plates before assembly ensures complete coverage of flow field channels in tunnel regions.

A fuel cell stack insulator features a protrusion and recess portion that matches the separator shape to position terminal plates.

A fuel cell stack uses a heat insulating section to reduce thermal radiation and mechanical stress.

Porous metallic or ceramic felt contacts improve current conduction and gas flow distribution while absorbing thermal expansion to reduce assembly tolerances.

Insulated frame channels limit shunt currents in parallel-connected redox-flow stacks, ensuring homogeneous fluid distribution and improved efficiency.

Segmented tube carriers create ordered pathways that resolve low catalyst utilization in fuel cell layers.

Embossed metal separator edges enable stable honeycomb lamination of fuel cell stacks.

A recess separates a large-capacity driving battery from a fuel-type power generation apparatus in an open cabin electric wheeled vehicle.

Direct battery connection bypasses DC/DC converter, eliminating switching losses and ensuring reliable startup.

Variable diameter projections on fuel cell separators regulate fluid flow paths to achieve uniform distribution across the device.

Dynamic startup pressure control prevents flooding and reduces startup time in fuel cell systems.

Embedded measurement module uses redundant power and ground connections to maintain data availability during component failures.

Segmented ring joints separate sealing from injection functions, reducing bipolar plate complexity and preventing electrolytic membrane damage.

Segmented tightening members with bent and wide portions distribute uniform load across end plates, reducing stress concentration in the stack body.

Nested bell-shaped sealing lips in the gasket reduce fastening force and stack volume while maintaining reliable sealing performance.

A phosphor sensor detects coating on fuel cell components to ensure precise stacking alignment, preventing MEA crumpling and gas leakage.

Selective anticorrosive treatment on plus-side metal separators reduces production costs while maintaining corrosion resistance.

Segmented spring-loaded contacts resolve poor conduction in filter-press fuel cells by ensuring continuous electrical contact without heavy end plates.

A cage-shaped subframe houses the fuel cell case and supports the drive unit to increase power generation capacity.

Resin load receivers with projecting portions absorb perpendicular impact loads, preventing unit cell movement and damage.

Lateral media supply through bipolar plate edge channels eliminates perpendicular membrane penetration, maximizing active area and reducing material costs.

Springs and interleaves secure fuel cell stacks in boxes, preventing vibration damage during transport.

A fuel cell life counter adjusts dehydration rates and temperature to manage membrane hydration levels.

Dynamic bleed strategy prevents ice blockage and nitrogen accumulation while minimizing hydrogen loss during low temperature operation.

An integrated oxidizer generates oxidant gas from anode exhaust, eliminating external piping and reducing device complexity in modular fuel cell stacks.

Asymmetric phase arrangement of wavy flow fields aligns ends at the central amplitude to reduce pressure loss and local load on metal separators.

Convex supports in the fuel cell inflow passage prevent corrugated deformation of the seal member, eliminating the need for titanium oxide coating.

Alternating seal ribs block reactant gas shortcuts, preventing leakage and improving power generation efficiency.

Recessed portions on longitudinal tightening members engage fuel cell extensions to receive external impact loads and prevent structural displacement.

Replacing bulky dipolar plates with continuous strip substrates reduces weight and volume while maintaining structural integrity and corrosion resistance.

Elastic metal foil neutralizes thermal expansion between ceramic cap and stack, maintaining gas-tightness for system integration.

Hydrophobic vapor barrier tape wraps fuel cell stacks to retain moisture, eliminating pump complexity and energy consumption from active humidification systems.

A fuel cell housing features a wide open side and rotatable lid to provide ample working space for inserting the cell stack apparatus.

Plastic deformation of a metal sheet creates an integrated interconnect that reduces parasitic loss and production time.

Segmented materials separate sealing, structural integrity, and electrical functions in the joint to prevent seal failure under thermal cycling.

Bonding the electrolyte to a separating structure via compliant elements manages thermal strain and prevents reactant mixing at high temperatures.