Negative Electrodes TRIZ Cases

Specific electrolyte additives form protective interfacial films in lithium-rich layered cathodes to curb voltage decay and improve cycle retention.

A fluorinated electrolyte additive forms a durable SEI that suppresses resistance growth and interface breakdown during high-temperature battery cycling.

A mixed spheroidized natural and artificial graphite anode improves cycle swelling resistance and rapid charging in secondary batteries.

Fluorine-doped antiperovskite Lia(OH)bFcBr improves lithium-ion conduction in solid electrolytes while supporting safer all-solid-state batteries.

An organic linker binds conductive material to the anode core, preserving conductivity during silicon volume change and improving cycle life.

A two-region cathode with lower-capacity outer edges balances lithium ion flow, suppressing anode deposition and extending battery life.

A boronic acid derivative coats high-nickel cathodes without heat treatment, neutralizes alkali residue, and suppresses electrolyte decomposition.

Halogen-containing solid electrolyte and doped lithium titanium oxide improve lithium-ion transport, enabling faster solid-state battery charging.

Electrochemically lithiated doped silicon and conductive slurry adhesion help limit expansion damage, resistivity rise, and dendrite growth.

Different water contact angles let active materials self-assemble into layers in one coating step, improving adhesion, output, and cycle life.

Composite particles combine disordered and ordered carbon regions to raise anode capacity while improving ion diffusion, fast charging, and cycle life.

A phase-separated silicon alloy microcomposite uses reinforcing regions to absorb volume-change strain and extend lithium-ion anode cycle life.

Heat treatment drives Al to the porous silicon surface, improving cycle stability while mitigating silicon expansion in power storage devices.

A multi-component metal composite at the anode-electrolyte interface suppresses lithium precipitation, lowers resistance, and improves cycle life.

A low-surface-energy water-soluble binder improves adhesion to current collectors, cuts cracking and internal resistance, and supports cycle life.

Balancing anode surface area with FEC electrolyte content improves lithium-ion migration, lowers resistance, and stabilizes SEI cycling.

Li-M-P-O coatings protect nickel-rich cathodes by resisting decomposition and scavenging HF and PF5− in lithium-ion batteries.

A two-step kneading slurry process improves dispersibility and cycling performance while reducing Si-based negative electrode expansion.

In-situ sulfide electrolyte fills voids between hierarchical silicon columns to cut interfacial resistance and improve ASSB rate capability.

A compliant Si-graphite negative electrode lowers swelling stress and conductive path breakage while preserving cycle capacity in nonaqueous batteries.

Different silicon materials, binders, and conductive contents are split across two anode layers to curb swelling, improve adhesion, and extend cycle life.

A Si-rich negative electrode with Si-metal compound control improves cycle life, suppresses discharge plateaus, and maintains high-rate battery output.

Controlled transition-metal occupancy in the Li layer helps high-Ni layered oxides retain capacity while suppressing cycle-life deterioration.

A dual-polymer electrode binder uses controlled THF-insoluble fractions to raise peel strength while inhibiting lithium deposition after cycling.

Quaternary hexahydrotriazine ionic liquid additives stabilize the SEI, cut capacity fade, and improve Li-ion cycling at high voltage and temperature.

A TiO2 photoanode combines solar conversion and electrochemical storage in one cell, reducing losses and simplifying power delivery.

A conductive separator film and fibrous carbon-metal layer guide uniform lithium deposition, suppress dendrites, and preserve high energy density.

Controlled silicon-carbon particle sizing and carbon coating limit swelling and electrolyte side reactions, improving lithium battery cycle life.

A graphite and silicon oxide upper layer with linear conductive material improves lithium-ion diffusion for fast charging with less over-voltage and plating.

Surfactant-assembled layered silicon-graphite anodes limit agglomeration and volume-change damage while raising capacity and cycle stability.

A porous carbon host with a SiCx coating contains silicon expansion, limits oxide films, and preserves lithium battery capacity over cycling.

A dispersed silicate skeleton constrains SiOx expansion stress, preserving anode structure and improving lithium battery cycle retention.

A surface-to-core metal doping gradient in SiOx anodes relieves expansion stress, improving first-cycle efficiency and cycle life.

An electro-polymerizable auxiliary agent forms a stable SEI on silicon anodes, reducing resistance and extending lithium-ion battery cycle life.

A controlled lithium silicate phase ratio in a silicon oxide anode cuts irreversible lithium loss while maintaining high capacity for Li-ion batteries.

A mixed artificial and natural graphite anode balances energy density with low-temperature charging and high-temperature cycle life in secondary batteries.

A halogen-containing fire-retardant layer in the negative electrode suppresses heat rise and short circuits in high-energy secondary batteries.

A central void in a silicon-carbon anode absorbs expansion during cycling, helping lithium batteries keep high capacity with longer cycle life.

Different graphite layers balance lithium deposition during rapid charging, reducing plating imbalance and extending battery cycle life.

A two-layer graphite and silicon anode balances current-collector adhesion with faster lithium-ion charging and improved thermal stability.

A polymer binder adsorbed on silicon active material suppresses electrode swelling while improving adhesion and charge-discharge efficiency.

A lignin-derived porous carbon network confines nanoscale silicon expansion, reducing stress, SEI growth, and irreversible lithium loss.

Fiber- and particle-shaped conductive agents with DD 24+ limit resistance rise and electrode expansion, improving high-rate cycle life and energy density.

Alkali metal oxides in the positive electrode release Na or K ions to limit anode expansion, stabilize the SEI film, and extend battery life.

A two-layer graphite anode uses natural graphite for collector adhesion and artificial graphite for output and lifespan in lithium secondary batteries.

Chemically bonded high-dielectric organic molecules stabilize the negative-electrode SEI, reducing solvent decomposition and lithium loss.