Negative Electrodes TRIZ Cases

An alloyed lithium-metal anode limits volume-change deactivation, cutting resistance and preserving low-temperature output and capacity retention.

Single-sided PVD anode deposition on a separator improves plating uniformity, lowers defects, and cuts copper weight in energy storage cells.

Using ethylene carbonate with a cyclic sulfate additive stabilizes the negative-electrode SEI, suppressing gas and improving cycle and storage performance.

A cyclic sulfate additive and low-viscosity solvent form a stable hybrid SEI that improves fast charging, cycling, and gas suppression.

A crosslinked polymer and cellulose nanofiber binder helps silicon anodes absorb expansion, prevent peeling, and improve cycle life.

Specific bicyclic sulfate or phosphate ester additives stabilize Si-based anodes, improving cycle retention and suppressing gas during hot storage.

Controlled carbon spacing and 2-20 nm pores suppress lithium dendrites and cell swelling while raising Li-ion battery energy density.

A three-additive electrolyte forms stable anode and cathode films to suppress side reactions, lower DCR, and improve cycling and storage.

A dioxolane and hexylmethylether electrolyte enables Li-S cells to run below 2 ml/g sulfur without LiNO3 while sustaining high energy density.

A porous carbon and point-contact binder coating boosts cathode adhesion, limits detachment, and extends lithium-sulfur battery life.

An R-M-X electrolyte additive forms a lithiophilic layer on the anode collector, guiding uniform lithium deposition and suppressing dendrites.

Phase-change metal powder on battery busbars absorbs runaway heat and limits hot-gas convection, reducing propagation and pressure rise.

A tailored polymer dispersant keeps high-active-material electrode slurry fluid and uniform, enabling stable coating for nonaqueous secondary batteries.

Pre-lithiation by solution impregnation and partial charging offsets irreversible capacity in expanded natural graphite electrodes and improves cycle life.

A narrow silicon particle size distribution limits expansion stress and SEI growth, improving coulombic efficiency and cycle life.

A succinonitrile-polymer interlayer stabilizes the lithium metal-LAGP interface, cutting impedance and side reactions while preserving ionic conductivity.

A core-shell particle binder paired with a linear binder maintains electrode adhesion while lowering resistance in lithium rechargeable batteries.

A two-layer silicon-graphite negative electrode balances higher capacity with cycle durability by separating Si-rich and fine-graphite functions.

A nonpolar polymer binder with lithium-conductive particles blocks electrolyte intrusion while preserving ion transport and anode life.

A two-layer anode balances collector adhesion and lithium-ion transport by using lower and higher inclination angles for fast charging.

A dual-layer anode with higher-surface-area outer material and a lithiated Si-based inner layer improves rapid charging and battery life.

Fluorinated ether solvents balance conductivity and flame retardancy to suppress side reactions and improve lithium secondary battery safety.

A two-layer negative electrode balances collector adhesion and fast charging by tuning layer inclination and porosity.

A cyclic lactone electrolyte with LiNO3 improves wetting and low-resistance film formation in high-loading LFP electrodes for better hot-cycle retention.

Metal cations and DFOB anions stabilize the battery SEI, cutting impedance while improving cycling, thermal stability, and kinetics.

Acid-etched porous silicon with nano-features and hard carbon boosts lithium-ion anode capacity, first-cycle efficiency, and power.

A lithium-containing layer activated by electrolyte offsets SiOC lithium loss, boosting first-cycle efficiency and battery energy density.

Controlling lithium solution concentration during composite formation suppresses hydrogen generation and slurry viscosity change in SiOx anodes.

Nanoporous polyimide-derived carbon beads buffer silicon expansion during lithiation, improving anode strength, stability, and capacity.

Element-doped titanium niobate with conductive composites and surface coatings boosts anode capacity and charging rate while limiting gas generation.

A sulfonamide-based electrolyte blend stabilizes the SEI film, suppresses gas generation, and keeps lithium battery resistance low at high temperature.

A tuned EC-PC electrolyte ratio with FEC cuts high-temperature gas generation, limits electrode detachment, and extends lithium battery life.

A two-layer anode separates silicon oxide and carbon nanotubes to preserve conductive paths, boosting capacity and cycle life during volume change.

Porous carbon particles buffer silicon expansion in lithium battery anodes, suppressing cracks, gas generation, and resistance growth.

Mixed short and long carbon nanotube bundles help silicon anode paste preserve conductivity, integrity, and capacity over repeated cycles.

Dual electrolyte additives form protective electrode films to suppress side reactions, gas generation, and dendrite growth in high-voltage lithium batteries.

A structured anode film raises surface area and uses an inactive metal layer to limit dendrites, SEI growth, and electrolyte loss.

A dual-carbon and Li-M-P-O coating helps silicon oxide anodes curb swelling, stabilize slurry pH and viscosity, and improve initial efficiency.

A char-forming polymer coating on the anode delays thermal runaway by blocking oxygen and heat while preserving normal battery performance.

Controlling cathode crystal grain size and XRD peak ratio improves lithium battery output, cycle life, and gas suppression.

Dinitrile electrolyte additives form low-impedance protective films that curb high-temperature decomposition while preserving low-temperature discharge.

Contact-fusing silicon with Li-Mg silicate creates a uniform interface that improves initial coulomb efficiency, water resistance, and battery stability.

A mixed-fluoropolymer binder enables solvent-free Li-Ion electrode coating with strong cohesion, adhesion, controlled porosity, and lower cost.

A uniform passivation coating shields reactive Li3N from air, moisture, and solvents while enabling controlled cathode pre-lithiation.

A polymer dispersant maintains slurry fluidity at high electrode active material content, enabling uniform coating and more consistent battery production.

Matched SiOx and carbon particle sizes suppress anode swelling, maintain conductivity, and improve fast charging and cycle life.

Two silicon-carbon particle types with different silicon content balance high gram capacity with cycle stability by managing silicon expansion in batteries.

Blending fluorinated polymers with different crystallinity improves electrode binding and in-situ gel formation, extending battery cycle and storage life.

Adding 0.1%-5% inorganic porous material improves electrolyte uptake and ion pathways in negative electrode sheets, boosting rate and cycle life.