Negative Electrodes TRIZ Cases

Aromatic polyimide disperses carbon nanotubes in organic solvent, enabling uniform electrode coatings with better conductive paths and cycle stability.

A layered silicon anode uses crystalline carbon, lithium titanium oxide, and CNTs to preserve conductivity and cycle life during expansion.

An oligomer surfactant in a non-aqueous electrolyte boosts ionic conductivity and lowers surface resistance for faster charging with less degradation.

A two-layer graphite anode raises binder content near the current collector to improve adhesion while preserving fast-charging performance.

A gamma-butyrolactone electrolyte cuts short-circuit ignition risk while preserving energy density and graphene electrode compatibility.

Layering a silicon-rich anode with graphite and conductive agents raises energy density while limiting expansion and electrode separation.

A fluorine-rich skeleton layer stabilizes the SEI film in silicon-based anodes, limiting expansion, detachment, and cycle-life loss.

Larger inactive particles mixed with carbon black buffer volume change, strengthening the electrode and improving battery capacity and cycle life.

Controlled silicon deposition and etching on porous particles improves Li-ion anode capacity retention by limiting stress and SEI growth.

A dual-layer anode binder gradient improves adhesion near the current collector while speeding lithium-ion migration and reducing plating.

A two-layer silicon negative electrode varies metal doping and binder ratios to improve adhesion, limit expansion, and extend high-voltage battery life.

A fluorinated solvent and cyclic carbonate balance cuts overcharge heat while forming a stable SEI film to improve cell safety and cycling.

A fluorinated electrolyte forms a protective cathode interface that suppresses high-voltage decomposition and extends nickel-rich battery cycling.

Low-orientation carbon in a silicon-carbon anode reduces current concentration, suppresses expansion, and extends lithium battery life.

Controlled Li-O interlayer spacing in a nickel-rich cathode preserves structural stability, smooth lithium migration, and high-temperature battery life.

A graded graphite and binder layout in the negative electrode boosts electrolyte uptake and helps preserve rapid charge-discharge cycle performance.

A mixed natural and single-particle artificial graphite anode limits electrolyte side reactions, swelling, and capacity loss in lithium batteries.

A vinylidene fluoride binder coats NMC active material to suppress alkaline side reactions, limiting resistance rise and preserving battery power.

A 3D network of carbon nanotubes and vapor-grown carbon fibers constrains silicon expansion and preserves conductivity for longer battery cycling.

Functionalized electrolyte additives form a protective cathode film and scavenge HF and water to slow impedance growth and capacity decay.

A cyclic ester-rich electrolyte suppresses heat flow and structural change in high-nickel lithium batteries to improve high-temperature safety.

A high-silicon negative electrode balances rubber binder and carbon nanotubes to limit particle isolation and sustain capacity retention.

Controlling the R50/Dv50 particle ratio helps negative electrode sheets balance compaction density, dynamic performance, and cycle life.

A silicon-ring electrolyte additive forms a cathode film that scavenges HF, limits nickel dissolution, and slows capacity decay.

A sulfur-containing cyclic electrolyte forms a protective coating on silicon-carbon anodes to suppress side reactions and improve capacity retention.

A Formula 1 solvent stabilizes the SEI, suppresses metal dissolution and gas generation, and improves high-temperature lithium battery life.

Controlling the R50/Dv50 particle ratio balances negative electrode compaction, rate performance, and cycle life in batteries.

Specific positive and negative active material ratios balance electrode deterioration and utilization capacity, improving energy density and lifespan.

Pressurized pore deposition embeds silicon in porous particles to improve Li-ion anode cycling stability while limiting SEI formation.

A carbonate additive in an ether-heterocyclic electrolyte builds a protective lithium layer that limits dendrites and polysulfide leaching.

Fluorinated electrolyte additives form a protective SEI barrier that suppresses high-temperature decomposition, resistance growth, and self-discharge.

Acid removal of Al creates porous silicon, then heat drives Al to the surface to curb cycling expansion and improve battery electrochemistry.

Polynitrile and halogenated carbonate additives stabilize LiCoO2 cathodes at high voltage, reducing gas and capacity fade during hot cycling.

Slightly oxidized pores formed from chitosan-clay carbonization raise Li-ion anode capacity and improve charge-discharge cycling.

A porous MOF-derived carbon aerogel anode boosts lithium-ion battery capacity, rate performance, and cycle stability beyond graphite.

Controlling electrode density-to-porosity ratios limits thickness rebound and volume expansion while preserving electrolyte infiltration and cycle life.

A flexible graphene-containing carbon coating stabilizes silicon oxide anodes, limiting stress, preserving contact, and extending cycle life.

A block polymer coating balances lithium-ion conductivity and mechanical strength to suppress dendrites and improve battery cycle life.

A two-layer silicon negative electrode buffers expansion near the collector while a thicker upper layer raises capacity and preserves conductivity.

A low-silicon base layer under a thicker high-silicon layer reduces expansion stress while preserving battery capacity and cycle life.

A benzoyl peroxide electrolyte forms a controlled SEI on Si-based electrodes to limit expansion, reduce capacity fade, and improve thermal stability.

Balancing electrolyte mass, density, and lithium salt concentration helps fast-charging lithium-ion cells protect the SEI and extend cycle life.

Charging a battery above a phosphorus compound’s decomposition temperature deposits a protective layer on recovered anode material to improve cycle life.

A high-retention polyimide binder helps silicon negative electrodes resist volume change, preserving cycle life and mechanical integrity.

By tuning LiCoO2 electrode unit capacity against area rate, this case enables 4.42 V+ cycling with lower capacity loss and gas generation.

Alternating energy-storage and reinforcing phases absorb silicon anode strain, limiting expansion damage and extending cycle life.

Agglomerated natural graphite with surface artificial graphite and carbon coating improves fast charge-discharge, cycle life, and swelling control.

Silicon confined in microporous and mesoporous carbon buffers volume change, reduces stress and SEI growth, and preserves reversible battery capacity.

Regional polarization tuning across electrode assemblies balances delithiation and slows capacity attenuation in multi-assembly battery cells.