Negative Electrodes TRIZ Cases

See how in-situ grown carbon nanotubes and nanofibers on silicon anode surfaces accommodate vol

A two-layer anode uses smaller bimodal particles and silicon oxide to improve adhesion, rolling density, and rapid-charging cycle life.

A lithium-containing polymer coating pre-lithiates silicon anodes to stabilize the SEI, limit expansion stress, and improve cycle life.

Dual graphite particle clusters with a controlled compaction density ratio raise battery energy density while limiting polarization and cycle-life loss.

A tailored binder copolymer improves active-material adhesion while suppressing slurry aggregates, electrode cracks, and peel failure.

Dual graphite active layers with different capacity-to-surface-area ratios cut anode expansion and extend cycle life while raising volumetric energy density.

A fluorine- and nitrogen-containing electrolyte additive stabilizes the SEI on silicon anodes, improving high-temperature durability and capacity retention.

A staged low-SOC lithium deposition step with pauses before higher-current charging helps suppress dendrites and short circuits in solid-state batteries.

A dual-layer graphite anode uses uncoated and carbon-coated regions to balance lithium deposition, improving fast charging and battery life.

Coumarin and halogenated cyclic carbonate stabilize high-voltage lithium secondary batteries by scavenging active oxygen and forming SEI.

A porous carbon and lithium-compound coating stabilizes silicon-oxygen anodes, limiting expansion and improving cycle life.

An oxide coating with controlled thickness on silicon composite particles and carbon suppresses erosion while preserving conductivity in Li-ion anodes.

Metal ions in the electrolyte suppress lithium plating in low-CB regions, improving capacity retention and cycling stability.

A tuned polyolefin separator pore structure resists Si-anode expansion damage, cutting Hi-pot defects and improving capacity retention.

Carbon dispersed in lithium silicate composite anode particles suppresses cracking during cycling while preserving high battery capacity.

A Formula 1 electrolyte additive forms a thin cathode interphase film to limit high-temperature resistance growth, gas generation, and cycle-life loss.

X-ray diffraction quantifies side reactions in charged battery anodes, helping screen negative electrode materials for stability and longer life.

A conductive polymer coating helps high-capacity anodes limit volume expansion, protect against electrolyte contact, and extend battery cycle life.

A cationic copolymer binder improves anode film adhesion and current collector contact, supporting safer, longer-life lithium-ion batteries.

Batch pressure reactor infiltration deposits silicon uniformly in porous particles, boosting anode capacity while limiting SEI growth and cycle damage.

Controlled resistance ratios and partial silicon use improve cycle life and charging performance in NCM lithium secondary batteries.

Region-specific carbon alignment and thickness gradients suppress edge lithium precipitation while preserving rapid charging in lithium secondary batteries.

A tailored electrolyte additive forms a stable SEI on the anode, limiting metal migration, swelling, and capacity loss during high-temperature storage.

A tuned CNT particle size and pH window improves slurry fluidity and storage stability while preserving conductive paths in silicon-based batteries.

A water-processable polymer binder balances environmental burden and adhesion while lowering the initial resistance of secondary batteries.

Metal powder in a silicon-based anode oxidizes before copper during over-discharge, enabling safer Li-ion cells without capacity loss.

A three-additive electrolyte builds a strong, flexible SEI that resists silicon anode expansion while improving cycle life, temperature range, and safety.

A Li3±xV2±yO5±z anode enables minute-level Li-Ion charging while reducing lithium plating, shorting risk, and aging.

An ion-resin passivation layer guides lithium-ion transport and limits interface reactions to suppress dendrites and extend battery cycle life.

A sea-island silicon composite anode maintains contact points during cycling to limit cracking, voids, and capacity fade.

Jet milling and classification narrow H-Nb2O5 particle size distribution, improving niobium oxide electrode capacity retention at high rates.

A LiFSI, cyclic carbonate, and hydrofluoroether electrolyte improves cycle life, suppresses lithium dendrites, and supports safer vanadium sulfide batteries.

A thermally crosslinkable binder stabilizes silicon-based anodes, limiting thickness change and preserving conductive paths for better capacity retention.

Copper oxide added to a carbon-based negative electrode lowers low-SOC internal resistance while preserving discharge capacity in lithium-ion batteries.

Insulating rivets and hooked bus-bars reduce battery module short-circuit risk while enabling safer overload disconnection.

A porous ceramic-filled separator blocks lithium deposition and dendrite growth, enabling safer high-rate charging without separator melt.

A cyclic carboxylate electrolyte additive forms a stable SEI, cutting gas generation and resistance in lithium batteries at high temperature.

Controlled heat release of 220-600 J/g in a carbon-based negative electrode sheet helps curb thermal runaway without sacrificing battery performance.

A porous carbon matrix with hierarchical pores buffers silicon swelling, preserves conductivity, and extends secondary battery cycle life.

A tuned electrolyte-anode parameter window reduces polarization and swelling during high-current charging while preserving cycle and storage performance.

Controlling the silicon surface Si/SiO2 ratio in a carbon-WO3 anode cuts impedance and improves lithium-ion penetration and capacity.

Chemically dispersed inert elements in porous silicon anodes buffer lithiation swelling and preserve electrical pathways for longer cycle life.

Using NH4-CMC with M3Me2X7 anode material prevents slurry gelation and impurity reactions while preserving battery capacity and cycle life.

A Li concentration gradient in garnet oxide suppresses cathode side reactions during firing while preserving ionic conductivity and low resistance.

Layered porosity in a lithium battery electrode cuts plate resistance and supports faster charge-discharge without sacrificing cycle life.

A PAN lattice with continuous carbon domains confines silicon expansion, preserving conductivity and cycle stability in lithium-ion electrodes.

Larger-radius alkali metal ions and a film-forming additive lower DC resistance and suppress dendrites in lithium-ion batteries.

Silane and fluorosulfonate electrolyte additives plus cathode doping stabilize SEI/CEI films, improving cycle life, kinetics, and storage.

A cyclic ether and low-viscosity salt electrolyte improves thick LFP-Li battery compatibility, Li ion transport, and lithium anode life.

A carbonaceous matrix with tuned hardness and elasticity stabilizes silicon anode particles, limiting expansion damage and SEI growth.

A carbon-layer lithium anode uses intercalated lithium and a networked amorphous layer to suppress dendrites and electrolyte decomposition.

A thin second active layer protects SiOx anodes from expansion damage and uneven lithium distribution, improving capacity retention and cycle life.

A conductive carbon coating on lithium vanadium oxide particles improves electron transport, Li insertion, and charge-discharge capacity.

Conductive coating over at least 30% of vanadium oxide particles improves electron transport, Li insertion, and battery capacity.

A core-shell anode pairs structural element oxide with a polymer-modified silicon shell to support fast charging while limiting cracking and capacity loss.

Lithium pretreatment in SiOx anodes forms lithium silicates that raise initial efficiency while limiting volume expansion and crystalline silicon growth.

A self-assembled hydrophobic film shields pre-lithiated or pre-sodiated electrode plates from air while preserving ion transport and SEI stability.

A two-layer binder distribution raises adhesion near the current collector while limiting migration that harms conductivity and energy density.

A nitrogen-containing electrolyte additive scavenges HF and PF5 and forms a stable electrode film to improve high-temperature cycling and storage.

Controlling carbon domain size in porous carbon-silicon anodes helps raise areal capacity while preserving fast charging and cycle stability.

A porosity-gradient separator balances electrolyte infiltration with rigidity to resist electrode swelling and extend sodium battery cycle life.

Specific electrolyte additives control moisture and stabilize metal ions to cut gas generation and resistance growth while preserving cycle life.

Titanium and niobium tuning in a Li-Ni cathode suppresses oxygen release and raises resistivity while preserving battery capacity.

Carbon-coated prelithiated lithium silicon oxide suppresses hydrogen in aqueous slurry while preserving initial capacity, adhesion, and cycle stability.

A dual-additive electrolyte forms a stable SEI, lowers impedance, and suppresses high-temperature gas generation in lithium-ion and sodium-ion batteries.

Ca and Al tuning in a high-Ni layered cathode and Ca coating on the anode suppress structural collapse and side reactions for better cycle life.

A dispersed silicon nitride phase protects silicon oxide or silicate anodes from erosion, preserving capacity and cycle life in secondary batteries.

Lamellar silicon alloy anodes create phase-boundary diffusion paths that limit expansion damage and improve cycle retention in lithium secondary batteries.

Porous carbon particles with silicon coating absorb anode expansion, limiting cracks, gas generation, and resistance growth in lithium batteries.

An imide-salt electrolyte paired with a silicon-carbon anode chemistry limits silicon particle loss and electrolyte breakdown to improve cycle life.

Softer alloy-forming particles buffer silicon anode swelling, preserving solid-electrolyte contact and lithium diffusion at lower pressure.

Binder zeta potential is matched to anode surface oxygen to improve slurry stability, adhesion, coating uniformity, and battery cycling.

BN and PEO in the positive electrode suppress high-voltage side reactions, preserve lithium-ion conductivity, and extend battery cycle life.

Balancing surface-layer thickness and electrolyte additive content forms a stable coating that limits silicon anode swelling and impedance rise.

A thin LTO-SWCNT top layer improves negative-electrode conductivity and helps resist internal short circuits in secondary batteries.

Carbon-coated SiOx particles with Li compounds suppress side reactions and swelling, improving lithium-ion battery capacity, cycle life, and initial efficiency.

A multi-phase lithium manganese cathode balances low cost and supply stability with high capacity by controlling layered and spinel crystal ratios.

A thicker oxide coating farther from the current collector suppresses silicon anode swelling while preserving conductivity and cycle life.

A porous CNT interlayer boosts sulfur loading and conductivity while reducing polysulfide shuttling in high-energy lithium-sulfur cells.

An uncoated zone near the current collector-tab boundary relieves silicon anode expansion stress, preserving battery capacity and cycle life.

Partial conductive coating above 30% on vanadium oxide particles improves electron transport while preserving capacity and charge-discharge behavior.

A carbon-silicon multilayer anode with conductive polymer lowers resistance and supports fast charging without sacrificing cycle stability.

Controlled carbon coating and residual carbon limit gas generation and expansion in silicon anodes while preserving capacity and cycle stability.

Dual electrolyte additives form stable SEI and CEI films, cutting high-voltage decomposition, gas generation, and resistance growth.

An acetimidoyl-silyl electrolyte additive scavenges HF and forms a stable SEI, reducing swelling and high-temperature battery degradation.

Controlled hard carbon porosity and 8-14 mS/cm electrolyte conductivity cut low-state impedance, reduce voltage rebound, and release more battery capacity.

Electrode surface layers with iron phosphate and silicon oxide cut short-circuit current and heat while preserving high energy density.

A PAM-based adhesive layer on the separator strengthens bonding to silicon anodes and suppresses swelling from volume expansion.

Ordered mesoporous material in the battery anode stores and transports electrolyte to improve cycle life and charging kinetics.

Vacuum suction through a position-controlled movable pipe discharges dry electrode mix with less clumping and smoother battery production.

A cyclic-carbonate electrolyte balances conductivity and desolvation to support fast charging in high-nickel, high-silicon Li-ion batteries.

A carbon-rich electrode surface above 29.8 at% improves conduction paths, lowers inner resistance, and helps retain battery discharge capacity.

A porous carbon and lithiophilic protection layer guides uniform lithium deposition to curb dendrites and extend lithium metal battery life.

Ordered mesoporous material in the battery anode improves electrolyte storage and ion transport to support faster charging and longer cycle life.

Organic lithium salts help thick positive electrode films maintain ion transport, cutting impedance while preserving energy density and dynamic performance.

Electrochemical salt removal shifts PCM melting temperature, helping thermal storage adapt to changing ambient conditions.

A carbonaceous base layer plus a silicon-CNT top layer preserves conductive paths during silicon expansion, improving battery cycle life.

Aldehyde-crosslinked copolymer binder suppresses silicon anode expansion and active material desorption to improve cycle stability.

A tuned graphite particle-size distribution and carbon layer improve lithium-ion diffusion while limiting side reactions in cold fast charging.

A mixed-particle anode balances Si capacity with stress relief from Li-driven expansion, helping prevent electrode collapse and improve cycle life.

An insulation coating with inorganic filler and fast ion conductor helps lithium-ion electrodes resist heat shrinkage while maintaining conductivity.

A SiOx-carbon negative electrode balances surface area to suppress charge-discharge swelling, extend cycle life, and support rapid charging.

A dual-region silicon negative electrode uses larger outer particles and smaller inner particles to curb swelling and extend battery cycle life.

Heat-treated PTFE and PAN form a conductive cathode active material that improves stability and specific capacity in alkali metal batteries.

A SiOx anode with dual carbon materials and linear conductive additives limits expansion, preserving cycle life and rapid charging.

A fluorinated ester-cross-linked binder forms a thin stable anode protective layer that limits dendrites, volume change, and unstable SEI growth.

Adding 0.1% to 5% silica aerogel to a negative electrode sheet improves electrolyte wettability, cuts side reactions, and supports cycle life.

Specific electrolyte additives form a stable SEI that suppresses gas generation and internal resistance in rechargeable lithium batteries at high temperature.

Controlled pore surface area and volume make electrode porosity more uniform, reducing polarization and improving high-rate charging.

Controlled porosity and conductivity in a silicon-based anode preserve conductive paths during volume expansion, improving lithium battery cycle life.

A dual-additive electrolyte forms stable interface films to suppress gas generation, lower resistance, and balance low- and high-temperature battery operation.

Phosphite or borate additives in ether electrolytes form a protective electrode film that suppresses oxidation and improves sodium battery cycling.

Electrolyte additives and electrode stack sizing form stable interphase films, improving ion transport and reducing lithium or sodium plating.

A urethane (meth)acrylate-based porous binder layer improves electrode adhesion, heat stability, bending resistance, and battery life.