Negative Electrodes TRIZ Cases

Porous carbon nanofibre anodes shorten ion diffusion paths and improve conductivity for higher capacity, cycle life, and charge rates.

A heat-conductive layer plus porous polymer or ceramic protection suppresses lithium dendrites, evens heat, and extends cycle life.

A natural-graphite base layer and artificial-graphite top layer improve current-collector adhesion, output, and capacity retention with less binder.

A cross-linked hydrogenated particulate binder limits negative electrode swelling and active material shedding to improve battery cycle life.

Orthocarbonate and fluorinated carbonate electrolytes build an inorganic SEI that suppresses lithium dendrites, dead lithium, and capacity fade.

A graphite anode balances high compacted density with low-temperature electrolyte absorption by tuning particle distribution, crystal size, and plate density.

Uneven cathode loading and particle sizing in stack-type lithium batteries help preserve capacity, efficiency, and cycle life with high-nickel or cobalt-free materials.

A separator adhesive matched with ethyl propionate electrolyte maintains bonding, limiting battery expansion while extending cycle life.

Tailored silicon-carbon particle size distribution improves electrode packing, cycle stability, and energy density without adding process complexity.

Two graphite particle clusters with controlled size and compaction balance energy density, ion transport, and cycle life in battery cells.

Controlled silicon coating on carbon anode particles limits side reactions and gas generation while preserving high lithium-ion battery capacity.

A PEG-chain binder with catechol end groups boosts anode adhesion and ionic conductivity, improving cycle retention and limiting expansion.

Dual binder layers improve adhesion and limit silicon anode swelling, extending lithium secondary battery life at high voltage and load.

An electrolyte with higher contact angle improves gap filling in electrodes and separators, reducing lithium deposition and boosting cycling safety.

A tungsten- or phosphorus-coated high-nickel cathode with a 5-10% Si anode cuts cobalt use while limiting initial and storage resistance rise.

Different cathode loadings and mixed single and secondary particles raise capacity and cycle life without sacrificing charge-discharge efficiency.

Amorphous carbon-coated silicon and carbon composite particles curb swelling, improve collector adhesion, and extend lithium battery cycle life.

Gas-phase oxidation and rapid cooling produce amorphous SiO powder with low disproportional rate for higher-efficiency lithium-ion anodes.

Smaller, less circular silicon particles pack between carbon particles to maintain conductive paths and reduce capacity loss during cycling.

A layered silicon and LTO/TNO anode raises charge potential to curb lithium plating while preserving battery cell capacity during fast charging.

Using a glyme solvent and polymerizable oligomer, this gel polymer electrolyte improves cell wetting, limits side reactions, and stays stable at high temperatures.

A surfactant electrolyte additive improves positive-electrode wetting at high current density, suppressing dendrites and preserving fast-charge cycle life.

A two-layer electrode lowers outer-layer tortuosity to speed electrolyte permeation while preserving packing density and cycle life.

Dual electrolyte additives stabilize lithium salt and protect the cathode surface, limiting resistance rise and electrolyte loss in Si-rich cells.

Balancing porosity, particle size, and areal capacity in the negative electrode sheet improves fast charging, cycle life, and energy density.

Monofluorophosphate or difluorophosphate additives help high-Ni cathode batteries retain capacity while reducing gas, heat, and metal dissolution.

Micropores in water-based positive and negative plates speed drying and electrolyte infiltration, cutting residual water, resistance, and capacity decay.

A copolymer anode binder improves adhesion and suppresses silicon expansion and peeling, helping lithium secondary batteries retain capacity over cycles.

A potassium imide salt forms a lithiophilic film that suppresses lithium dendrites, enabling faster charging with less resistance rise and cycle loss.

A heat-resistant mesh integrated into the bus bar blocks flame, particles, and gas to limit thermal runaway spread between pouch cells.

Ultrasonic welding of anode extension tabs creates low-resistance links across non-conductive layers while preserving strength and simplifying cell assembly.

Controlled silicon oxide and silicon carbide particle distribution improves cycle life, fast charging, and lithium intercalation uniformity.

Aromatic polyimide binder improves silicon-anode adhesion and lithium occlusion, helping Li-ion cells retain capacity through cycling.

Dual-size Ni-rich cathode particles and graded porous graphite improve electrolyte flow and durability during rapid charge-discharge cycling.

A crosslinked binder network lets silicon-graphite anodes expand and contract with less mechanical degradation and better capacity retention.

A potassium imide salt in the electrolyte forms a lithiophilic film that suppresses dendrites, enabling faster charging with less resistance rise.

A pore-tuned porous carbon matrix disperses Si inside the anode to prevent lumping, raise capacity, and improve Li-ion battery cycle life.

Layered silicon-tin anodes limit solid electrolyte contact and preserve conduction paths, improving cycling stability and capacity retention.

Two halogen compounds in the electrolyte reversibly form an interhalogen cathode species, boosting capacity while avoiding high additive loading.

Selective HF etching removes type I silicon clathrate to limit electrode expansion pressure and stabilize lithium-ion batteries.

Hydrogen fluoride treatment improves sodium removal from silicon clathrates, lowering residue and supporting higher-energy lithium-ion batteries.

A low ionic liquid-to-lithium imide salt ratio stabilizes the SEI, curbs reaction resistance growth, and preserves capacity retention.

A porous sulfated zirconia coating improves lithium-ion mobility and reaction uniformity to suppress dendrites and extend battery life.

Citric acid sol-gel synthesis creates LiFeTiOx anodes with better conductivity, higher capacity, and stronger high-rate charge-discharge performance.

Hierarchical natural graphite with artificial graphite and amorphous carbon boosts intercalation while limiting expansion for better cycle life.

CNT and acrylic resin keep expanding silicon particles electrically connected, improving battery cycle life without sacrificing capacity.

Silicon anchored inside porous carbon pores suppresses anode swelling and improves lithium-ion battery cycle stability at high capacity.

A cyano-group electrolyte and tuned negative electrode layer improve Li-ion rate performance while limiting heat and swelling under thermal abuse.