Graphite TRIZ Cases

Bimodal graphite particle size distribution in anode precursors improves high-temperature storage characteristics and cycle stability.

A fluoride ion electrochemical cell uses anion host materials to reversibly exchange charge carriers without metallic lithium.

Controlling the diffraction intensity ratio of graphite powder improves energy density while maintaining cycle life and rapid charge performance.

A composite carbon material aligns graphite crystal structures to enhance lithium ion diffusion and filling properties.

A composite cathode active material uses a lithium fluoride coating layer to lower electrical resistance compared to the core.

Heating nitrogen-doped polymer under inert gas produces vitreous carbon with controlled interlayer spacing.

A fuel cell electrode catalyst uses mesoporous carbon supports modified with water-repellent materials to improve gas diffusibility.

Anodic oxidation forms surface pores on carbon particles, increasing reaction sites and pathways to overcome slow lithiation rates in standard graphite anodes.

A continuous plasma ball mill treats metal and oxide powders using a double-dielectric barrier discharge structure.

Heat-treated spherical graphite particles suppress electrode swelling and gas generation while maintaining high discharge capacity at elevated densities.

A chemical vapor deposition method deposits reduced graphene oxide films directly onto dielectric substrates without metal catalysts.

A graphite negative electrode active material with a dual carbon coating structure balances rapid charging speed against high-temperature storage stability.

Magnetic induction heating purifies graphite particles while eliminating acid-leaching waste and reducing energy consumption.

Starch foams into stable carbon parts, eliminating resin shrinkage.

Spherical graphite and acrylic resin binder suppress expansion and shrinkage of alloy active materials to improve cycle characteristics.

Cavitation reactor exfoliates graphite into graphene sheets, eliminating chemical oxidation steps to reduce processing time and material loss.

A composite particle structure combines spherical graphite with low crystallinity carbon to enhance lithium ion migration and reduce lattice defects.

Unzipping doped carbon materials via external stimuli creates graphene with enhanced electrical conductivity and specific surface area.

Staged oxidizer addition suppresses exothermic reactions while ultrasonic treatment enhances permeation between graphite layers, enabling safe mass production.

A zigzag graphite component on a metal substrate prevents cracking and maintains heat transfer efficiency in confined electronic device areas.

Composite oxide coatings on carbon anodes improve electrolyte impregnation speed and stabilize the solid electrolyte interface to preserve battery capacity.

A graphite composite film deposits metal inside through holes to anchor the surface layer.

Spray pyrolysis creates spherical LiFePO4-graphene oxide particles with uniform conductivity, maintaining stable olivine structure and storage capacity.

High surface-to-volume flow channels accelerate graphite oxidation, reducing chemical waste and energy consumption while increasing single-layer graphene yield.

Through-layer channels in graphite negative materials shorten diffusion distances, preventing dendrite formation and enhancing cycle stability.

Carbon-coated spheroidized graphite particles enhance discharge capacity and charge efficiency in lithium batteries.

Spherical graphite particles with low aspect ratio reduce internal resistance and improve beginning efficiency in lithium-ion battery electrodes.

Ammonium nitrate oxidizes pre-treated kish graphite to produce graphene oxide, eliminating toxic gas emissions from conventional sodium nitrate methods.

Internal Joule heating replaces external mechanical systems to eliminate batch processing inefficiencies and achieve consistent high temperatures.

Aggregated flat graphite particles with controlled size distribution enhance lithium ion secondary battery performance.

An interpenetrating silicon carbide-graphite composite structure prevents coating delamination caused by thermal expansion mismatch in ion implantation systems.

Low oxygen atmosphere prevents oxidation during synthesis, yielding oxide-free covetic materials with enhanced conductivity.

Plasma etching forms ultra-thin graphite films that maintain high conductivity despite reduced thickness.

Embedding nanoscale silicon in a porous carbon matrix prevents electrode destruction from volume expansion while maintaining high capacity.

Interlocking thermal vias improve heat transfer efficiency by securing second thermally conductive materials within first material holes.

An amorphous carbon coating layer containing MoP and MoP2 particles reduces surface resistance to prevent lithium metal precipitation during high-rate charging.

A multilayer carbon material with controlled surface oxygen content improves paste properties and initial efficiency in lithium ion batteries.

Carbon black particles dispersed in a pH-controlled aqueous polymer emulsion maintain conductivity during extension without breaking.

Graphene acts as a transparent mediator allowing catalyst layers to perform redox reactions without oxidizing the substrate or blocking electron flow.

Stacking flat graphite particles with graphene aggregates as a binder maintains high thermal conductivity while preventing cracking during thickening.

Optimized surface functional group ratios suppress irreversible capacity loss and gas generation during initial battery cycles.

Two-stage vacuum annealing of coal tar pitch yields reduced graphene oxide with 1900 S/cm conductivity, avoiding complex chemical treatments.

A composite negative electrode active material uses a core-shell structure to enhance discharge capacity in lithium secondary batteries.

Controlled carbon anode properties prevent cycling degradation in lithium-ion hybrid capacitors, maintaining capacitance stability over extended operation.

Doped porous graphite maintains structural integrity under compression to lower contact resistance while increasing in-plane thermal conductivity.

Heat treating dried graphene layers induces volatile gas molecules to form solid foam structures.

Kneading mixers exfoliate graphite into graphene using controlled friction below polymer melting points, avoiding ultrasonication damage and scaling production.

Sequential carbonization and graphitization of upgraded coal yield high-purity graphite with controlled microstructures for lithium-ion batteries.