Negative Electrodes TRIZ Cases

Lanthanum in the negative electrode layer speeds lithium-ion transport, lowers impedance, and limits swelling without losing cohesion.

A sodium titanium oxide coating on carbon anodes promotes ion diffusion and blocks side reactions, reducing SEI growth and extending cycle life.

Weakly acidic polyacrylic binders and alkaline additives curb gelation and gas in prelithiated silicon anodes while preserving capacity.

A cyclic phosphate additive forms a low-resistance SEI that suppresses side reactions, metal elution, and swelling in Li-ion batteries.

An asymmetric separator coats flame retardant only on the cathode side to improve thermal safety while preserving electrochemical stability.

Adding MgCl2 and lithium nitrate to a lithium-sulfur battery electrolyte builds a stable protective layer that limits dendrites and salt loss.

A film-forming electrolyte additive stabilizes Ni-rich cathode interfaces, scavenges harmful species, and improves battery life and output.

Metal aluminates in lithium-ion cells absorb moisture, HF, and transition-metal ions to preserve capacity and extend cycle life.

Supplemental lithium and carbon-coated silicon anodes reduce irreversible capacity loss and improve lithium-ion cell cycling stability.

A carbonate and fluorinated solvent ratio improves high-nickel cathode wetting, limiting metal dissolution while supporting capacity and cycle life.

Controlling graphite alignment after activation helps silicon-graphite anodes retain adhesion, fast charging, and cycle life.

Alternating higher center and lower side charging improves roll-to-roll negative electrode pre-lithiation uniformity and limits lithium precipitation.

A thermal crosslinking additive stabilizes thin anodes, suppresses spring back, improves adhesion, and supports higher battery energy density.

Electrospinning and inert-atmosphere sintering embed HEA nanoparticles in carbon fibers to limit agglomeration and improve Li-ion cycling stability.

Magnetically oriented negative active material layers cut resistance and improve lithium-ion transfer for better cycle life.

Specific carbonate and boron-lithium salt ratios cut electrode resistance and lithium plating, balancing cycling above 65°C and output below −20°C.

Engineered voids inside silicon particles absorb lithium expansion, reducing electrode swelling while preserving battery capacity.

Layered silicon content and an SEI-forming electrolyte additive curb swelling and electrolyte loss, improving deep-discharge cycle life.

A magnesium salt with cyclic unsaturated hydrocarbons stabilizes redox reactions, limiting capacity fade during repeated battery cycling.

A cross-linked carboxylated microporous polymer film protects lithium metal anodes by improving ion transport and resisting dendrite growth.

Using two carbon particle sizes in a lithium-free anode reduces voids against the solid electrolyte, improving efficiency and cycle life.

A silicon-gradient negative electrode shifts lithiation toward the outer layer to limit expansion, reduce new SEI formation, and preserve cycle life.

Controlled electrolyte additives and negative-electrode particle size create a uniform SEI that supports faster charging without sacrificing cycle life.

Thermal crosslinking additives strengthen the anode binder network to limit spring back, hold electrode thickness, and improve cell energy density.

A crosslinked polyimide binder boosts electrode adhesion without fluorine, enabling higher active material loading, lower resistance, and longer battery life.

A carbon-containing oxide coating and controlled silicon particle distribution improve cycle life, rate performance, and swelling in Li-ion cells.

Tuned graphite particle size and a thin carbon coating curb anode swelling and electrolyte side reactions while supporting rapid charging.

A composite electrode binder balances water-based processing, binding strength, and swellability to improve ion conductance and reduce battery impedance.

A thickness-wise gradient negative electrode boosts fast charging by raising power density near the separator while preserving charge storage near the collector.

A microscopically smooth electroplated copper-on-silicon substrate enables purer lithium anodes with more uniform deposition and longer cycle life.

NaCl-templated glucose carbonization forms ultrathin functionalized carbon nanosheets that improve Na-ion diffusion, capacity, and cycling stability.

Specific electrolyte additives form a uniform SEI layer that improves fast charging while preserving lithium-ion battery cycling stability.

Fluorinated acetal solvents paired with LiFSI improve lithium metal stability, high-voltage cathode compatibility, and ion transport.

Catalytic in-situ Si vapor deposition fills porous carbon or metal hosts to avoid silane handling, cut SEI loss, and extend anode cycle life.

A lithium oxide-lithium sulfide interpenetrating SEI suppresses dendrite growth while improving ion transport, resistance, and cycle stability.

A pyrosulfate-boron trifluoride composite salt replaces multiple additives to improve battery high- and low-temperature performance.

Aluminum hydroxide in metal-doped silicon oxide anodes suppresses hydrogen gas, stabilizes slurry processing, and improves cycle life.

An alkyl vinyl ether electrolyte additive improves lithium stripping and plating, suppresses polysulfide migration, and extends Li-S battery life.

A primary amine and propargyl additive pair stabilizes SEI and CEI films in LFP batteries, reducing metal ion elution at high temperatures.

Using p-type and n-type organic semiconductor electrodes with a metal chloride electrolyte improves discharge efficiency and battery life.

Thioamide additives in carbonate electrolytes form a stable anode passivation layer, cutting gas generation and interfacial resistance.

A nitrogen-boron surface film on a dense carbon anode improves lithium-ion insertion, energy density, and electrolyte stability in secondary batteries.

A carbon-first, silicon-layered anode structure limits expansion-driven detachment and resistance growth while improving battery capacity and cycle life.

A carbon-coated silicon anode with a polyacrylic binder stabilizes SEI thickness to curb side reactions and extend cycle life.

A cyclic ester electrolyte forms a heat-resistant SEI on the negative electrode to suppress high-temperature side reactions and heat generation.

A silicon-graphite anode balances natural and artificial graphite to limit conductive path loss, cut cost, and preserve battery life.

Powder-extruded ceramic electrodes remove polymer binders to boost energy density, thermal stability, and battery safety at high temperatures.

Widened interlayer spacing and 2-20 nm pores in an amorphous carbon anode curb lithium dendrites, limit swelling, and raise Li-ion energy density.

A metal oxide and Sn or Sb blended anode boosts Li-ion capacity while limiting lithium plating and preserving stable cycling.

High-shear dispersion of fluoropolymer binder in non-polar solvent cuts moisture uptake and supports higher capacity and 100°C performance.

A LiTFSI-sulfolane-TTE-FEC electrolyte improves high-voltage lithium battery stability, cycle life, and flammability resistance.

A mixed electrolyte additive forms a stable electrode film to improve wetting, cut interfacial resistance, and retain capacity at high temperatures.

A carbon-metal interlayer controls lithium plating overvoltage to suppress dendrites, lower interfacial resistance, and prevent short-circuiting.

A multiphase Si anode uses Si-Zr stress absorption and Sn-X diffusion support to improve cycle life and initial coulombic efficiency.

Carbon-coated magnesium-doped silicon oxide limits surface hydroxide to prevent pH rise, slurry thickener shrinkage, and gas generation.

Metal doping plus a secondary phase and carbon coating raise LiMnFePO4 cathode conductivity, improving rate capability and energy density.

Dopant-induced graphitization and Lewis acid bonding help silicon-carbon anodes raise initial efficiency while improving cycle stability.

Ternary lithium metal oxide coatings protect Ni-rich cathodes from decomposition without consuming Li ions, improving battery stability and life.

A sulfur-crosslinked particulate binder improves anode adhesion while limiting cycling swell, helping preserve electrode structure and cycle life.

High-salt LiFSI in THF forms ion-aggregate solvation and a low-resistance interfacial layer, enabling lithium cells to cycle at subzero temperatures.

Oxidizing gas and metal halide in the cathode form a stable interphase that blocks polysulfide shuttling, corrosion, and fast capacity loss.

A porous active layer creates electrolyte channels that shorten lithium-ion paths, cutting impedance while preserving high coating weight.

Silicon doping in graphene creates more lithium intercalation sites while constraining expansion, improving anode capacity, stability, and cycle life.

Pre-lithiating semi-solid electrode slurry forms the SEI before cell formation, reducing initial capacity loss, swelling, and mechanical damage.

Controlled silicon particle sizing in a carbon anode boosts battery capacity while limiting electrolyte side reactions and electrode layer peeling.

A dual-additive electrolyte suppresses gas generation and internal resistance growth, improving lithium battery safety at high temperatures.

Dual acidic and alkaline electrolytes separated by an ion-selective membrane enable a rechargeable metal-free battery with high voltage and safer operation.

Using lithium nitrate as the sole salt in a gelled lithium metal battery improves passivation and lithium deposition for longer cycle life.

A copolymer-surfactant-cellulose slurry strengthens current collector bonding, reduces electrode cracks, and helps lower internal resistance.

A thiophene polymer layer protects lithium metal from surface reactions and dendrites while preserving ion transport, cycle life, and thermal stability.

A thermally expandable layer inside the electrode raises resistance during overheating to block ion flow and prevent battery explosion.

Layered porous active particles improve electrolyte retention and ion transport, extending secondary battery cycle life without thicker electrodes.

A graphene-SWCNT network links Mg-containing silicon oxide to limit irreversible lithium oxide formation and preserve battery cycle life.

Mixed graphite particles with different stiffness and Si contact lengths suppress negative electrode expansion and preserve conduction paths.

A carbon-gradient amorphous silicon anode suppresses Li15Si4 formation to limit volume expansion and extend lithium-ion cycle life.

Alternating binding and barrier layers curb binder migration at high coating speeds, maintaining substrate adhesion and electrode durability.

A dual hydrophilic-hydrophobic acrylic binder improves CNT-silicon contact, conductive paths, and battery cycle stability.

A methacrylic-acid-rich polymer coating with plasticizing additives strengthens anode particle bonding and preserves Li-ion battery cycle life.

Balancing fluoroethylene carbonate with cyclic carbonate stabilizes the SEI on silicon anodes, cutting DC resistance and cycling loss.

Staged discharge cut-off voltage lets silicon-rich anodes deliver early energy density while limiting swelling to extend battery cycle life.

A pyrolytic carbon framework and 5-25 um silicon-carbon powder reduce expansion and contact loss, improving Li-ion cycle life and energy density.

A primer-coated current collector resists mild-electrolyte corrosion and improves active-layer adhesion for longer zinc battery cycle life.

A calcium-containing conductive layer stabilizes electrolyte byproducts around silicon-silicate anodes to suppress dissolution and cycle-related capacity loss.

Controlling cyclic and chain carbonate ratios with limited carboxylic acid ester helps batteries keep low-temperature power while reducing swelling.

Controlling negative electrode tortuosity shortens electrolyte wetting time and improves low-temperature discharge in lithium-ion cells.

A π-π stacking gelation agent with perfluoroalkyl and phenylene groups preserves solvation structure, lowers resistance, and suppresses dendrites.

An asymmetric separator coats hydroxide flame retardant only on the cathode side to avoid Li-ion reactions while preserving battery stability.

Porous microgels in a thick negative electrode improve lithium-ion transport, lowering resistance while supporting fast charging and cycle life.

A dealloyed indium-zinc anode forms a porous surface that guides zinc deposition, suppresses dendrites, and improves aqueous battery cycling.

Propionate electrolyte and controlled negative-electrode adhesion improve high-temperature storage and overcharge protection by stabilizing the interface.

Ion-dipole self-healing in a PAM and PAA-salt binder helps silicon anodes tolerate swelling, maintain particle contact, and improve cycle stability.

A dual-particle lithium composite oxide cathode with Zr or B stabilizes the structure and suppresses gas during high-temperature storage.

Replacing FEC with VC/F3EC and tuned carbonate solvents stabilizes Si-anode SEI while reducing gassing in high-voltage Li-ion cells.

Composite oxide matrix with dispersed silicon nanocrystals enhances initial charge/discharge efficiency in secondary batteries.

Carbon dioxide surface treatment forms a lithium carbonate layer on nickel-based particles, reducing residual lithium and enhancing charge-discharge properties.

An LiF coating on silicon nanoparticles controls volume expansion and reduces electrolyte side reactions to improve discharge capacity.

Fine graphite material forms conductive paths between active particles, resolving the contradiction between energy density and cycle characteristics.