Graphite TRIZ Cases

Reducing flake graphite aspect ratio in separator plates balances thermal conductivity, managing acid evaporation rates and extending fuel cell lifetime.

Amorphous carbon coating on artificial graphite core maintains structural integrity during compaction, enabling fast charging and extended cycle life.

Electrochemical intercalation replaces mechanical force and chemical oxidants to produce high-quality flaky graphite with minimal defects.

A surface alkali carbonate layer on graphite reduces side reactions with propylene carbonate, improving low-temperature performance and initial efficiency.

A negative electrode uses a flake-shaped polyethylene functional layer to enable rapid lithium ion insertion and extraction.

BF3-etherate fluorinates reduced graphene oxide to 10-40 wt% while co-doping with boron, nitrogen, or sulfur, avoiding plasma damage and corrosive reagents.

Segmented graphite sheets resolve the trade-off between mechanical flexibility and thermal conductivity in electronic cooling applications.

High-melting protective coating shields graphite muffle from silica vapor oxidation, eliminating cleaning downtime.

Microwave plasma reactor produces structured carbons to resolve manufacturing complexity and suboptimal reinforcement in tires.

Boron-nitrogen bonded graphite balances chemical stability against discharge capacity trade-offs through localized surface composition control.

Heat-treating polymer with heteroatom-containing moieties and sulfur forms a carbon skeleton that prevents dissolution in the electrolyte.

A wearable display device uses a heat dissipation sheet extending through an opening to conduct thermal energy away from the display element.

A SiC-coated carbon composite material with a stepwise Si content infiltrated layer relieves thermal expansion stress.

Skipping purification and drying steps maintains reactive oxygen functional groups, enhancing dispersibility in non-polar mediums.

A graphite negative electrode active material combines spheroidized and scale-shaped particles to increase tap density in lithium ion batteries.

Sulfonating expanded polystyrene enables char yield during carbonization, resolving the contradiction between process simplicity and material recovery.

Fillers between carbon layers maintain 0.335-1 nm spacing, preventing electrolyte decomposition while enhancing ion absorption capacity.

Segmenting the negative electrode into distinct mixture layers resolves the trade-off between high active material loading and binder adhesion.

Fluorinated graphitic carbon achieves high surface coverage of functional groups by replacing fluorine atoms, overcoming the low reactivity of basal planes.

Mixed acid oxidation converts graphite to graphene oxide, reducing equipment corrosion and enabling large-scale production.

Aromatic surfactants stabilize graphene oxide dispersions during chemical reduction to yield multi-layered reduced graphene oxide.

Calcium-modified graphite enhances reaction rates on basal planes, resolving slow charge-discharge limits in high-capacity anodes.

Composite graphite material mixes high-density compressed and expanded particles to enhance thermal conductivity in the thickness direction.

A hierarchical oxygen-containing carbon anode with porous graphene coating enhances electrical conductivity and lithium storage capacity.

Controlling silicon particle size between 1 and 19 micrometers suppresses electrolyte depletion and interface resistance, improving battery life-span.

Vinylbenzyl halide and alcohol copolymers form porous microspheres without sacrificial templates, eliminating complex template removal steps.

A multilayer carbon negative electrode combines graphitic cores with amorphous coatings to enhance battery performance.

Liquid crystal phase alignment of graphene oxide resolves energy-intensive graphitization trade-offs to produce highly oriented graphitic films.

Polymer graphitization converts inexpensive fiber bases into graphite sheets, achieving a 300+ thermal diffusivity ratio while maintaining flexibility.

A graphene heating layer absorbs electromagnetic waves to generate heat without metal electrodes.

A patterned carbon template coated with catalytic metal enables carbon diffusion to form complex three-dimensional graphene structures.

A rolled graphite sheet uses high-tension winding around a rod core to maintain layer alignment.

Artificial carbon coating on natural graphite prevents alignment and gas generation while maintaining high energy density.

Graphene sheets carry nanosilver into viscose fibre matrices, preventing particle agglomeration during spinning.

A delayed coking process produces striped agglomerate carbon materials with uniaxial orientation.

Carbon monoxide reduces oxygen groups in expanded graphite, resolving quality-volume trade-offs.

Displacement deposition coats graphite cores with silver to eliminate copper ion elution, preventing paste viscosity increases and oxidation issues.

Co-suspension of graphene oxide flakes with polyacrylonitrile resolves manufacturing cost trade-offs while achieving superior electrical conductivity.

Composite epoxy sealant reduces peak setting temperatures through enhanced thermal conductivity and heat capacity.

Direct joining eliminates adhesive barriers that limit thermal conductance, preventing delamination in electronic heat dissipation.

A pellicle manufacturing method deposits a carbon membrane on a substrate using catalytic chemical reactions to form the protective layer.

Mechanical pulverization and separation extract mixed nano-carbon polymorphs from coal, eliminating chemical waste and high energy consumption.

Graphite particles covered with five percent or less amorphous carbon maintain strong adhesion to the current collector while suppressing gas generation.

Stacked thin carbonaceous films resolve the contradiction between crystallinity and formability, enabling efficient heat radiation in thin electronic devices.

Nanometer-scale nanographene bridges micro-fractures to stabilize borehole walls against pressure loads.

Mechanical exfoliation of graphite with mild oxidants yields high-quality oxidized graphene flakes without post-processing purification.

Composite materials combine synthetic and coated natural graphite to increase charging speed while maintaining cycling stability and power density.

Electrochemical exfoliation of graphite nanoparticles yields uniform graphene quantum dots with enhanced electrical conductivity.