Catalyst Activation/Preparation TRIZ Cases

Ultrasonic dispersion and density-controlled bundle-type carbon nanotubes reduce aggregation while preserving conductivity at high concentrations.

An amine-assisted MWCNT dispersion cuts gel-like viscosity and aggregation, enabling uniform battery electrode coatings with low plate resistance.

An amide solvent, PVP, and an amine compound keep iron-free catalyst MWCNT dispersions processable, stable, and low in electrode resistance.

Wet-chemical epitaxial growth on noble metal seeds enables well-defined heterostructure interfaces despite large lattice mismatch for CO2 photocatalysis.

Hollow copper-nickel phosphide nanocrystals cut hydrogen evolution overpotential while avoiding the high cost of platinum catalysts.

Atom-decorated tungsten-tungsten carbide on carbon boosts conductivity and catalytic activity while suppressing polysulfide shuttle in lithium-sulfur batteries.

A sol-gel TiO2 coating helps vehicle metal parts repel mud and dust, stay cleaner under UV exposure, and resist corrosion.

A one-step fixed-bed hydrocracking route upgrades heavy pyrolysis oil to lighter aromatics while cutting sulfur, nitrogen, and process complexity.

Zinc and titanium in an alumina-supported hydrotreating catalyst suppress coke deposition, sustaining desulfurization activity and catalyst life.

Measured outer wall thickness sets tool penetration depth, forming complete honeycomb slits while avoiding partition wall damage.

A dual HOC-ORC catalyst enables flameless hydrogen combustion below 140°C without preheating, reducing system complexity and ignition risk.

Catechol surface polymerization turns porous elastomer foam into a flexible catalyst substrate with strong active-phase adhesion and low cost.

A ReOx/CeO2 heterogeneous catalyst boosts glycerol-to-allyl alcohol yield while enabling easy recovery and reuse in one step.

A nickel-free molybdenum silica-alumina catalyst shifts biofeedstock oxygen removal toward hydrodeoxygenation, cutting CO and yielding middle distillates.

Wet chemical forming, extrusion, and spheronization create Group IVb oxide catalyst supports with high porosity, strength, and lower pressure drop.

Transition metal nanoparticles on a TiO2-coated carbon fiber enable synergistic photocatalysis for organic degradation and hydrogen generation.

Polymeric protective agents stabilize dispersed metal particles, enabling high polymer hydrogenation ratios with small catalyst amounts.

A spinel aluminate support with tuned Group VIII/VIB metal ratios selectively hydrogenates diolefins while limiting octane loss and catalyst deactivation.

Controlled pH hydrothermal growth creates mixed lanthanum oxycarbonate morphologies that improve methane coupling at lower temperatures.

A cold-sprayed metal sea matrix keeps anatase TiO2 active while shielding the resin base body from heat and oxidation damage.

A nickel-rhenium alloy on alpha-alumina improves sugar-to-glycol selectivity while resisting corrosion and extending catalyst life.

A honeycomb biochar aerogel with Fe-C bonded iron nanoparticles boosts ozone use, forms atomic oxygen, and stays stable during pollutant degradation.

Plasma between metal wires reduces metal salts without a separate reductant, enabling continuous high-purity carbon nanotube production.

Controlled pore volume and diameter in a cobalt-alumina catalyst improve Fischer-Tropsch activity, selectivity, and resistance to sintering.

A two-step air-nitrogen passivation balances nickel catalyst transport safety with hydrogenation activity, reducing catalyst use.

Current-fed electrodes heat the catalyst honeycomb uniformly, improving ammonia decomposition while extending catalyst life.

Current-driven ceramic honeycomb heating improves ammonia conversion while avoiding hot spots that shorten catalyst life.

Hydrophobic TiO2 nanospheres self-drive into micro-nano bubbles to form a hollow SiO2 shell that expands reaction area without blocking catalysis.

A hollow alumina shell traps precious metal nanoparticles to create internal fluidization, improving diffusion and contact in fixed-bed catalysis.

Lowering the O2/NH3 ratio enables non-platinum oxide catalysts to sustain NOx yield, cut N2/N2O byproducts, and reduce catalyst cost.

Inert-gas drying with exhaust moisture monitoring lowers catalyst water content, reducing corrosion, HCl formation, and outlet deposits.

A graphitic catalyst with a controlled H/C ratio removes sulfur from gasoline while limiting olefin hydrogenation, octane loss, and hydrogen use.

Solvent recycling, flow-through biomass beds, and screw-extruder agitation cut RCF solvent use while sustaining lignin monomer yield.

Dispersed rhodium nanoclusters in cobalt hydroxide lower OER overpotential while cutting noble metal cost in water splitting.

CFRP waste-derived carbon fibers coupled with TiO2 improve visible-light absorption and charge separation for higher photocatalytic hydrogen production.

A manganese oxide-coated disc replaces costly platinum to decompose hydrogen peroxide effectively in contact lens disinfection.

A segmented vessel, purge tube, and heat jacket improve catalyst mixing access while limiting adsorption heat that can fracture support particles.

By tuning Co active sites on carbon, this catalyst shifts persulfate oxidation to break lignin into more biodegradable organics in biogas slurry.

A porous carbon-supported bimetallic core with single-atom precious metal lowers OER overpotential while reducing precious metal use and improving stability.

An acid-treated eta-alumina catalyst support boosts plastic hydrocracking activity while handling inconsistent waste feedstocks more reliably.

Controlling APTES and TEOS creates hydroxylated bimodal porous silica that anchors Ni, boosts CO2 adsorption, and suppresses coking in dry methane reforming.

Controlled ceramic porosity and pore sizing improve air contact and deodorization while preserving mechanical strength.

Iron-free alumina-supported cobalt enables high-purity CNT growth with controlled morphology, reducing defects and improving Li-ion battery performance.

Iron-free cobalt on alumina grows CNTs with controlled morphology and >99.8% carbon purity, improving lithium-ion storage and conductivity.

A porous CaV2O6/CaSiO3/g-C3N4 nanocomposite uses nanowires and nanosheets to improve low-ion photocatalysis with simpler synthesis.

Transition metal catalysts on crystalline silica enable low-temperature CO2 hydrogenation to CO with 100% selectivity while avoiding methane formation.

A hollow nanofibre with nanosheet catalyst cuts photocatalyst cost while maintaining selective CO2 conversion to carbon monoxide and methane.

A water-soluble resin stabilizes manganese oxide and activated carbon in a coating film, preserving ozone decomposition while resisting weathering.

A hydrothermally synthesized Ni-B/MgO catalyst keeps nickel highly dispersed during CO2 methane reforming, limiting sintering and coke deposition.

A hydrothermally synthesized Ni-Mg-Al catalyst improves dry methane reforming by limiting sintering and coke deposition at high temperature.

A high-nanopore ASA-alumina catalyst improves aromatics saturation while limiting chain cracking to raise base oil yield and quality.

Spray-dried zirconocene catalysts improve productivity while narrowing polymer MWD and CCD.

An annealed catalyst coating protects oxygen sensor electrodes from exhaust contaminants while maintaining rapid response times.