Physical/Chemical Process Catalysts TRIZ Cases

See how a UV-transparent photocatalyst coating over a reflective surface produces purified hydr

See how halide salt catalysts convert β-propiolactone to acrylic acid below 100°C, replacing co

See how photocatalytic oxidation produces purified hydrogen peroxide gas free of hydration and

See how nested tube arrangements with parallel flow paths reduce pressure drop while maintainin

See how expandable gel-forming compositions combine galvanic alloy particles and superabsorbent

See how a laundry cabinet uses a catalyst reactor, separate flow generator, and sensor-based pe

See how a three-layer nano-coating combines hydrophobic, photocatalytic, and electrostatic prop

See how photocatalytic UV oxidation produces purified hydrogen peroxide gas free from hydration

See how a compact air purifier integrates UV light to sterilize HEPA filter microorganisms whil

See how a hand dryer uses filtered UV radiation below 228 nm to eliminate germs without health

See how a UV-transmitting collection filter enables light to reach the photocatalyst layer, imp

See how hydrothermal coating of carbon cloth with iodine-doped bismuthyl carbonate nanosheets s

See how a detachable door and UV light module enable easy filter replacement and HEPA sterilization without disassembly.

See how titanium dioxide photocatalysis and UV lamps neutralize chemical and biological contami

See how galvanic alloy particles blended with superabsorbent polymer produce uniform heat above

See how a titanium dioxide photocatalytic air purifier treats the air stream when freezer doors

See how a holding member with extending parts and regulating projections secures structured cat

UV photocatalysis generates purified hydrogen peroxide gas with low ozone and VOCs, enabling microbial control on air and surfaces in occupied areas.

Curved reflectors redirect UV light uniformly onto photocatalytic substrates, improving VOC oxidation and indoor air purification in HVAC systems.

A UV-lit sail-like photocatalyst generates purified hydrogen peroxide gas from ambient air while limiting ozone, aerosols, and organic byproducts.

Curved reflectors shorten and redirect UV paths onto catalyst surfaces, improving VOC removal and microbial control in HVAC airflow.

A UV photocatalytic diffuser generates purified hydrogen peroxide gas without hydration, ozone, or organics for safe air and surface disinfection.

Radial quench pipes and inclined baffles create 3D swirls that improve reactor mixing, extend contact time, and help prevent plugging.

A thin dielectric polymer coating on conductive fibers maintains capacitance, prevents shorts, and enables smooth fiber transistors.

A UV photocatalytic cell generates purified hydrogen peroxide gas for air and surface disinfection while avoiding hydration, ozone, and other harmful byproducts.

A carbide-forming composition cools overheating battery elements, extinguishes flames, and limits heat propagation while staying handleable in storage.

Deep learning replaces manual cyclic voltammogram inspection to identify and rank electrochemical mechanisms for high-throughput analysis.

A solvent-carbonizing composition cools overheating cells, forms an insulating carbide layer, and limits heat and ignition spread in dense battery modules.

A waveguide delivers excitation light directly to photocatalytic sites, overcoming shallow irradiation in catalyst layers and improving reaction selectivity.

Controlled thermal treatment expands mesopores in a solid carbon catalyst carrier, raising fuel cell activity while preserving durability.

Electrospun and annealed porous N-doped carbon fibers with embedded metal particles improve ORR activity, stability, and methanol tolerance.

Controlled heating of metal salts with guanidine carbonate forms conductive, acid-resilient carbonitride supports without high-temperature drawbacks.

Controlled thermal treatment increases mesopore volume and surface area in a solid carbon catalyst support while preserving durability for fuel cells.

Electrospun and annealed nitrogen-doped carbon fibers embed metal catalysts to improve ORR activity, conductivity, and durability without platinum.

Controlled oxygen content on carbon electrodes boosts vanadium redox reactions while limiting resistance growth and durability loss.

A soft-template carbonization route forms porous carbon with high pore volume while cutting washing steps, contamination, and energy use.

Covalently binding the binder to graphite prevents SBR floating during anode drying, improving adhesion and battery cycle performance.

Co-incubating additives with cellulose-producing bacteria creates uniform functional scaffolds without harsh chemical processing or difficult impregnation.

A Ti/Zr/Hf-metal boride electrode improves OER kinetics and stability, limiting overpotential loss while enabling homogeneous catalyst production.

Fast alkali activation and nitrogen doping turn lignin char into a conductive ORR catalyst with Pt/C-like activity at lower cost.

A photocatalytic reactor and nanofilter enable chemical reuse in wet processing while reducing wastewater and protecting membranes.

Transition-metal oxyfluoride catalysts lower OER overpotential and replace costly iridium or ruthenium oxides in water electrolysis for hydrogen production.

Tin halide replaces costly gold seeds to grow silicon nanowires with controlled diameter and scalable CVD production for battery and electronics use.

Nitrogen-doped mesoporous dendritic carbon increases pore size above 2 nm to improve fuel cell mass transfer, wettability, and proton conductivity.

Optically transparent reactor cells use plasmonic photocatalysts to drive reforming at lower temperature and pressure, cutting energy use.

Molten hypophosphite acts as both phosphorus source and reducing medium, enabling low-valent transition metal phosphates at moderate temperatures.

Fibrous oxide catalyst layers create pores that improve gas diffusion, limit water retention, and cut platinum dependence in polymer fuel cells.

Conductive fiber aggregates in a porous fuel cell gas diffusion layer improve gas flow and water discharge while maintaining electron conduction.

Plasmonic photocatalysts in transparent reactor cells use light instead of heat to sustain catalytic activity while cutting energy use and cost.

Light-absorbing plasmonic photocatalysts enable reforming in a transparent reactor cell with less heat and pressure demand.

An ionic-liquid combustion route creates oxygen-vacancy alumina/BiOCl heterojunctions that boost adsorption and suppress electron-hole recombination.

A composite of spherical carbon and graphitized nanofibers helps fuel cell catalyst layers resist supporter corrosion, catalyst loss, and power decay.

Light-activated photocatalysts let CMP slurries generate oxidizing species in situ, avoiding separate oxidizer handling and stability issues.

Hollow compartments and open porous channels encapsulate nanoparticles, easing volume change while improving ion transport and cycle life.

Flexible UV-LED sheets use reflective and scattering layers to wrap fluid paths and eliminate dark areas during disinfection.

Halogen-substituted C12A7 catalysts replace platinum in fuel cells, combining catalytic activity, chemical stability, and low-cost raw materials.

A fluorine-acid and oxidizer etching chemistry removes SiGe while protecting gate dielectrics and nearby semiconductor layers.

Controlled carbon wall thickness and pore content improve catalyst support uniformity and boost fuel cell output at low current density.

Controlling carbon wall thickness, content, and throat diameter improves catalyst support and fuel cell output at low current density.

Flexible UV-LED sheets use diffuse reflective and scattering layers to deliver more uniform fluid exposure and reduce pathogen shielding.

Stacked corrugated metal foils create straight radial channels that improve exhaust gas distribution while easing stress and speeding assembly.

Stacked corrugated metal foils form straight radial channels that improve exhaust gas distribution while reducing embossing stress and blocking.

Embedded photocatalytic regions in a fluorocarbon film remove fingerprints while preserving hydrophobicity, scratch resistance, and optical clarity.

Heat treatment removes VOCs from hydrophobic silica aerogel blankets, suppressing installation odors while preserving high-temperature insulation.

UV irradiation decomposes ammonia in the urea feed before granulation, cutting emissions, scrubber load, and biuret risk.

Using guanidine carbonate in CVD forms superhydrophilic carbon nitride films and powder directly, avoiding post-treatment lattice damage.

SbF5-activated NF3 and N2O form an intermediate that reacts with KF at room temperature and atmospheric pressure to cut cost and raise output.

Higher mesopore volume in a carbon catalyst improves phosgene reactor mass transport, extending catalyst life and reducing carbon tetrachloride.

Using inert gas, hydrogen, and aluminum mediation, this case shows how V2AlC MAX is made with low oxygen to suppress oxycarbide formation.

Residue cracking and hydrothermal gasification recover reactants and methane, enabling >99.5% pure butyl acrylate with less fouling.

Reaction-driven melt circulation in three bubble lift reactors converts hydrogen chloride to chlorine with lower energy use and no airlift pumps.

Angle-based shrinkage measurement and annular mask correction improve honeycomb fired body dimensional accuracy and yield.

Two-stage coating establishes bare gusset zones in metallic honeycomb bodies, preventing channel closure and reducing exhaust gas flow resistance.

Graphene aerogel converts CO2 to methanol using the photoelectric effect, overcoming low energy utilization and yield limits of conventional photocatalysts.

Binuclear molybdate salts reduce friction and wear while eliminating the need for multiple additive components.

Segmented reactor stages with inert gas heating control propanol dehydration, reducing CO2 emissions from steam cracking.

A contoured honeycomb body adjusts channel lengths to provide uniform exhaust gas residence time across the radial area.

Round cells formed by melting a binder disperse thermal stress, preventing cracks during high-temperature regeneration.

A ceramic honeycomb structure uses a specific particle size distribution in its coating material to form a robust outer wall.