Carbon Preparation/Purification TRIZ Cases

Continuous tubular gas infiltration forms uniform silicon domains in porous particles, boosting throughput and cycling stability for lithium-ion anodes.

Continuous gas supply through a porous substrate keeps catalyst active and by-products moving, enabling longer aligned carbon nanotube growth.

Controlled resin PDI, oxidation stretching, and carbonization raise carbon fiber crystal orientation for better aircraft brake friction.

Phenolic hydroxy groups let carbonaceous filler disperse uniformly in polyols without dispersants, enabling higher loading and preserved conductivity.

Hydrogen added to a carbon-oxygen gas mix enables more complete carbon breakdown and consistent boron-doped nanosphere formation.

Angled secondary hot air and longer roller spacing reduce fiber-bundle vibration and uneven heating during oxidation treatment.

Horizontal tubes, lifters, and recirculation loops improve gas-solid contact to deposit silicon uniformly in porous carbon for stable, high-capacity anodes.

Hydrogen treatment in a rotary tube kiln removes halogens and metals from carbide-derived carbon while maintaining uniform heating and hot filtration.

Multi-step functionalization and carbonization turn refinery hydrocarbon streams into high-yield nano-ordered carbon anodes with controlled structure.

Microwave-assisted oxidation uses mild oxidizers to create partially oxidized carbon with uniform surface oxygen content, faster processing, and less waste.

Organometallic acetylene-based precursors enable high-purity ALD carbon films at lower temperatures, improving conductivity without thermal damage.

Guided male-die movement maintains compression as a fibrous preform shrinks during carbonization, preventing wrinkling and dimpling.

Directing flame-generated pyrolysis vapors onto a liquid surface forms carbon films without a solid substrate or amorphous impurities.

Additives in melt-spun AN-VIM copolymers lower stabilization and carbonization temperatures while improving crosslinking and fiber strength.

See how waste carbon is carbonized, alkaline-functionalized, and ground into Janus nanoparticles that alter wettability and reduce oil–water interfacial tension.

This case uses drying, pre-carbonization, pulverization, and nitrogen-flow carbonization to produce stable, sp3-hybridized BCT carbon.

Controlled phosphorus in acrylamide-based fibers supports water-based processing while limiting fusion and fluff during carbonization.

This case uses low-temperature sintering and controlled carbonization to expand hard carbon layers for higher ion storage.

Pyrolysis char and coal residues form strong, low-density units with reduced thermal conductivity.

Threaded connections and a through-hole prevent impurity re-adhesion, ensuring high-purity carbon material production.

A method for producing porous carbon or graphite structures by compacting pulverized starch into a mold and heating it in a kiln.

Lignin absorbs moisture from automotive paint sludge, enabling energy-efficient pyrolysis that avoids high drying costs.

Segmenting monolithic gels into discrete particles reduces manufacturing costs while optimizing pore structure for high power density.

Melting pitch precursors to round particles, then carbonizing them to reduce waste and improve yield for battery applications.

Using low polydispersity PAN polymer resolves filament interference during high-tow air gap spinning, maintaining strength.

Closed-pore sintered carbon blocks resolve the trade-off between low density and gas tightness, enabling reliable sealing under compression.

Unidirectional air flow suppresses dew condensation on high-density spinnerets during dry-jet wet spinning.

Halogen reaction on carbide precursors yields porous carbon with 400 m2/g surface area for gas storage.

Polymerizing nitriles with acrylate esters in water-alcohol emulsions to form copolymers.

Ortho-diynylarene monomers enable high carbon yields and reduced porosity, eliminating multiple infusion cycles required by traditional phenolic resins.

Pyrolyzes carbon/carbon composite waste to recover hydrocarbons for pyrocarbon formation, reducing material costs and ecological footprint.

Adjusting phenol formaldehyde to oil phase ratios controls carbon foam porosity while maintaining process economics.

Chlorine gas converts adhering silicon into volatile tetrachloride, removing impurities without prolonged heat treatment that damages carbon part strength.

Thermal-induced polymerization synthesizes resorcinol-formaldehyde gels without catalysts, eliminating impurities and reducing production time.

Selective copolymer cross-linking controls pore size distribution, resolving template method complexity while boosting specific surface area.

Microwave irradiation converts metal impurities in conductors to stable oxides, preventing elution and capacity loss.

Mixing hypercrosslinked polymers with metal amides and heating the mixture produces porous carbon materials with high surface areas.

Uniform nanostructured porous polyimide resolves the trade-off between low density and structural integrity, enabling reliable thermal insulation applications.