Silicon TRIZ Cases

Al-containing Si clathrate anodes suppress volume change during cycling, reducing restraint pressure variation and particle damage in lithium-ion batteries.

Non-metallic silicon-bonded compounds passivate wafer surfaces during cutting and cleaning to reduce damage, oxidation, and metal adsorption.

Pulsed gas flow and stirring create a highly uniform fluidized bed for silicon deposition in porous particles, improving anode cycling stability.

Single-bonded silicon treatment compounds form a passivation layer during wafer cutting and cleaning to reduce damage, residues, and cost.

Fine pores in silicon clathrate anode material absorb Li ions and limit charge-discharge swelling, improving battery durability.

Low-temperature oxidation forms a uniform SiOx layer on nano silicon, then graphite milling improves conductivity and cycle life.

Dual carbon coatings on doped silicon nanoparticles suppress lithiation swelling, improve charge transfer, and stabilize capacity retention.

Granulated graphite-coated silicon particles improve anode contact stability, avoid high-viscosity CNT slurries, and reduce cell swelling.

Fine voids in silicon clathrate anode particles absorb Li ions to limit charge-discharge swelling and improve battery durability.

A silicon oxide-metal alloy interlayer and carbon shell limit silicon swelling, improve conductivity, and support stable SEI formation.

Heat-treated nanosilicon, graphite, and amorphous carbon improve Li-ion anode capacity while limiting silicon expansion and cycle loss.

Thin carbon shells on nonaggregated silicon particles reduce expansion damage and capacity loss while preserving high silicon content in lithium-ion anodes.

Dual carbon coatings and a micro-nano anode structure restrain nano-active expansion while improving capacity, first efficiency, and rate performance.

Alternating carbon and Mo-S compound layers confine sulfur in lithium-sulfur cathodes, reducing elution and extending cycle life.

Multiple overlapping laser irradiations raise energy margin and remove streak defects in polycrystalline silicon without overheating the substrate.

Rounded ridge tips formed by slow etching help polysilicon fragments avoid resin powder adhesion during bag filling, transport, and unloading.

Single-bonded non-metallic compounds create passivation during cutting, degluing, and cleaning to limit wafer damage and residues.

Well-dispersed silicon domains in a low-porosity carbon matrix curb expansion and SEI growth, improving battery anode cycling.

A two-step HF-peroxide and HF-nitric cleaning route cuts copper, iron, and zinc on polycrystalline silicon lumps for cleaner wafer feedstock.

Protective-layer sequencing and electrochemical etching keep porous silicon pillars uniform in size, shape, and porosity for drug delivery.

Sequential protective layers and selective etching keep silicon pillars from deforming, producing porous silicon structures with controlled shape and porosity.

Offgas mass and energy balance enables precise fluidized bed temperature control without sensor contamination, dust interference, or fouling.

A macroporous silicon photonic crystal uses resonator, high-pass, and low-pass blocks to suppress infrared sidebands while preserving the main resonance peak.

This case uses graphene or reduced graphene oxide capsules and buffer layers to contain silicon expansion and retain conductivity.

Controlled etching rounds polysilicon fracture ridges, reducing resin adhesion and contamination below 2 ppm during bag transport.

Thermographic imaging calculates a morphology index during deposition, enabling feedback control of silicon rod structure.

Polymer-supported palladium catalyst enables cyclopentasilane polymerization to high molecular weight polysilane for conductive silicon films.

Exposing silicon nanoparticles to non-ambient conditions like hydrogen plasma increases emission intensity while reducing agglomeration.

Controlled silicon particle size reduces mechanical stress from volume expansion, lowering irreversible capacity loss in lithium ion batteries.

Pyrolyzed crosslinked polymer coatings absorb silicon volume expansion to maintain electrode integrity and cycling stability.

Continuous annealing in a fluidized bed reactor reduces hydrogen content in granular silicon below five ppmw while maintaining high production efficiency.

Segmented nozzle arrangement prevents local stagnation and temperature spikes, suppressing popcorn defects while maintaining deposition rates.

Tribochemical milling of silicon and carbon forms a lithiated composite anode that reduces irreversible initial losses while maintaining structural integrity.

Wet grinding silicon in polar solvents creates stable nanoparticles with covalently bonded functional groups.

Gas phase synthesis creates submicron silicon powder with controlled SiOx surface passivation.

Silicon negative electrode active material coated with a carbon layer containing Group 4 to 6 metals for enhanced structural integrity.

Atomically dispersed inert elements buffer silicon swelling during cycling, maintaining electrode integrity and minimizing irreversible capacity losses.

Heat treatment melts calcium-silicide phases in crushed silicon to migrate impurities to the particle surface for removal.

A closed-loop process disproportionates trichlorosilane to produce silane and silicon tetrachloride for polysilicon synthesis.

Segmented hard-metal plates on a steel carrier roll crush polycrystalline silicon while minimizing metallic surface contamination.

Ball-milled porous carbon and metal films coat silicon anodes, buffering 300% volume expansion while maintaining electrical conductivity.

A multistage centrifugal atomizer uses inclined rotating surfaces to produce ultrafine particles with a D50 diameter under 20 micrometers.

Internal pores at grain boundaries absorb volume expansion in porous polycrystalline silicon, preventing structural collapse and improving battery lifetime.

Carbothermal shock disperses nano-sized silicon particles onto carbonaceous material surfaces.

Grafting organic moieties onto silicon nanoparticles creates a resilient SEI layer that suppresses surface reactivity and stabilizes the electrode interface.

Amorphous carbon coating protects nano-sized silicon particles during ultrasonic milling preparation.

Composite powder disperses silicon domains in a matrix to reduce SEI formation and improve cycle performance.

Lithium and carbon coatings on silicon anodes minimize irreversible loss and SEI growth, improving cycle stability.

Silicon nanoparticles embedded in a doped silicon oxide matrix mitigate volume expansion during cycling, improving capacity retention.