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.