Multiple shorter serpentine channels with a straight interdigitated channel cut pressure drop and improve fuel distribution in fuel cells.
A mixed serpentine and interdigitated channel layout improves gas distribution while limiting pressure drop and manufacturing complexity.
Multi-tier flow fields and aligned central headers improve reactant distribution, cut hydraulic resistance, and raise fuel cell power density.
A roughness-graded intermediate layer improves seal adhesion and limits chromium desorption to reduce gas leakage in high-temperature electrochemical cells.
Alternating manifold flow directions create transverse water transport that keeps the membrane hydrated with drier gases at higher temperatures.
Yielding tubes and sealing plates isolate stress in compact SOFC stacks, preserving gas sealing while reducing weight and thermal strain.
Corrugated interconnects and compliant sealing reduce thermal stress in compact SOFC and SOEC stacks while raising power density per weight and volume.
Midway fluid ports in a planar SOFC stack shorten flow paths across active regions, cutting pressure drop, temperature gradients, and parasitic losses.
Blank plates, an intermediate sheet, and seals block coolant permeation and heat loss in fuel cell stack terminal structures.
A revised separator layout removes gasket support in inlet regions to prevent burrs and keep reaction gas and water moving smoothly.
An interconnector separates welding from the separator in an SOFC stack, limiting gas mixing while preserving conductivity and compactness.
Corrugated channel sheets and alignment parts improve aperture matching and sealing in fuel cell stacks, supporting even hydrogen flow.
A porous fixing layer in the cell stack buffers stress at cell and support boundaries, reducing cracks and preserving power generation.
Patterned wettability in a fuel cell carbon paper layer pulls water away from the GDE/PEM edge, limiting corrosion and membrane degradation.
Functionalized optical fibers enable distributed, real-time composition and temperature sensing inside harsh reactor assemblies.
A tuned EPDM blend with carbon black, softener, and peroxide maintains sealing performance from low to high temperatures in fuel cell separators.
A pressurized reformer feeds reformate directly to an SOFC, cutting heat demand and extra hydrogen purification steps for efficient fuel-to-power conversion.
Controlled CaO or TiO2 doping in high-purity magnesia-spinel ceramics lowers sintering temperature while improving density and color stability.
Real-time EIS at characteristic frequencies detects gas starvation in fuel cell stacks and distinguishes hydrogen from air faults.
Flushing the cathode, then running with low cathode gas, shifts water production upstream to prevent dry inlet regions and support cold starts.
Multi-tier flow fields and transition regions improve reactant distribution, cut pressure loss, and raise fuel cell stack power density.
A deformable belt seals fuel cell flow channels to isolate defective cells quickly, prevent hot spots, and simplify stack repair.
An annular lip compresses a single flat seal at the stack end to improve fuel cell sealing, pressure distribution, and leakage resistance.
Hybrid interwoven channels in a fuel cell bipolar plate cut pressure drop, improve reaction uniformity, and clear water under ribs.