Active Material Electrodes TRIZ Cases

A two-step polyol process builds an island catalyst structure on graphite, raising metal loading while limiting catalyst loss and preserving durability.

A beta-delithiated layered nickel oxide cathode suppresses gas evolution and instability, enabling higher active-material loading and longer battery life.

A two-layer graphite anode balances current-collector adhesion with high-rate charging by separating natural and artificial graphite roles.

Mixed-acid cleaning removes metal impurities from silicon anode material, improving lithium-ion diffusion and reducing short-circuit risk.

Limiting residual organic solvent in Si granulated active material helps preserve battery cycle characteristics without burdensome drying.

A denser core and lower-density surface improve lithium diffusion while limiting cracks, extending cycle life, and boosting thermal stability.

Matching NCM and silicon-carbon crystal grain sizes helps raise energy density while limiting swelling, lithium loss, and cycle deterioration.

Controlled carbon content and electrode lightness improve dispersion, preserving energy density while supporting cycle life and rate performance.

Metal-filled pores in an insulated battery electrode substrate enable direct terminal welding while preventing short circuits and tab-related assembly issues.

Dense inorganic-polymer films enable thinner battery separators while suppressing self-discharge and maintaining insulation through cycling.

Uniform Ni distribution across particle sizes in a metal composite compound helps lithium secondary batteries improve initial charge/discharge efficiency.

A thin undercoat using ≤12 nm conductive additive and high-MW binder cuts swollen-state interfacial resistance to improve battery output and durability.

A cyclic lactone electrolyte with LiNO3 and sulfonyl imide improves wetting and charge transfer in high-loading cathodes for better hot-cycle retention.

Controlled plate-, rod-, and needle-like cathode particles improve volumetric energy density, capacity, and rate performance in lithium secondary batteries.

A fluorinated phosphazene additive forms a stable cathode CEI to curb gas generation, swelling, and cycle-life loss at high temperature.

A cross-linked polymer electrolyte replaces liquid electrolyte to improve ionic conductivity, suppress dendrites, and maintain lithium battery stability.

An ultra-thin, high-modulus anode protective layer with a nitrile additive improves SEI stability, ion conductivity, and cycle life.

Dual electrolyte additives create a durable electrode film that limits side reactions and metal ion elution in high-voltage lithium secondary batteries.

A tuned separator-to-anode thickness ratio improves electrolyte retention and ion transport, extending battery cell cycle life with limited energy-density loss.

Electrospun metal nitrate nanofibers help carbonate lithium metal batteries form stable SEI layers and suppress dendrite-driven degradation.

Na substitution with W, Mg, Ti, and S stabilizes Ni-rich cobalt-free cathodes to limit micro-cracks and sustain high energy density.

A polymer in the active substance layer creates uniform infiltration points and in-situ gel formation, improving electrolyte uptake and battery cycling.

A low-porosity pore closure on the separator extension blocks lithium deposition on the negative electrode and helps avoid shorts and heat.

A crystalline-amorphous composite coating improves active material coverage and durability while maintaining ionic conductivity in solid-state batteries.

Low-temperature solvent removal, pulverization, and annealing recover cathode active material while cutting residual lithium and avoiding acid-based recycling hazards.

A SPAN-LTO active layer balances fast charge-discharge capacity with high-temperature stability through particle size and content control.

Varying coating areal density creates electrolyte flow channels in thick electrode sheets, improving infiltration, fast charging, and cycle life.

A particulate polymer binder uses acidic and reactive monomer units to improve functional layer heat shrinkage resistance, adhesion, and storage stability.

An ionic soft viscous crystal in the cathode composite layer preserves electrolyte contact during cycling without high external pressure.

Thermal decomposition and reheating recover cathode active material without acids or pre-washing, cutting impurities, resistance, and wastewater.

Three electrolyte additives in defined ratios build stable SEI and CEI films, suppress side reactions, and preserve active lithium.

Controlling sulfur content during coprecipitation and calcination limits primary particle growth while preserving structural stability and rate capability.

A low-binder organosulfur electrode uses 0.01-0.4 mass% binder and a conductive assistant to prevent cracking while raising capacity per unit mass.

A capsule-based safety layer on electrode uncoated regions releases halogen compounds at high temperature to suppress thermal runaway and explosions.

Hemispherical silicon microstructures in a Cu/Ni conductive layer help lithium anodes resist pulverization and maintain capacity over cycling.

A lyophilic polymer locks free electrolyte into a condensed phase, limiting extrusion and dendrite-driven short circuits while preserving conductivity.

Matched NCM single-particle cathodes and fine-grain silicon oxide anodes improve fast charging, energy density, and cycle life while limiting swelling.

Controlling slurry solids at electrode edges and center balances drying rates, reducing cracks, wrinkles, and life loss in secondary batteries.

Controlled pore volume, surface area, and tap density create a graphite anode with faster lithium-ion diffusion and stable cycling.

Tuned lithium phosphate particle size and polymer hydrodynamic radius help electrode slurry balance current collector adhesion with output and cycle performance.

Structured zinc alloy particles with holes, voids, and controlled oxygen content curb alkaline dry cell heating during external short circuits.

Controlling precursor grain size to 20 nm or less improves high-Ni cathode stability, suppresses particle breakage, and extends battery cycle life.

Controlled stirring and reactor overflow suppress continuous nucleation, improving precursor particle uniformity while reducing surface cracking.

Controlled feed rate and two-stage stirring suppress continuous nucleation in batch co-precipitation, yielding uniform precursor particles faster.

Bamboo-type polymer binder fibers preserve lithium-ion pathways and adhesion in thick electrodes, reducing delamination and supporting high-rate cycling.

Micron-scale silicon paired with point-like conductive particles improves dispersion, preserves ion pathways, and extends lithium battery cycle life.

Edge insulation on electrode substrates shields fins from piercing the separator, reducing short-circuit risk and improving battery cell reliability.

Periodic binder concentration gradients in the electrode composite layer improve binding, relieve stress, and support better cycle and rate characteristics.

A porous polymerized structured layer controls coating spread and cushions pressing stress to reduce solid electrolyte cracks and short circuits.

A 3D honeycomb boron carbon nitride anode uses boron and nitrogen doping to improve sodium-ion battery capacity, charge transfer, and stability.

A solid-electrolyte coating on porous Si active material limits surface area and preserves interface contact to reduce battery resistance.

A 3D porous silicon-carbon anode and cyclic carbonate electrolyte stabilize the interface, limit swelling, and improve battery cycle retention.

A wall-and-thin electrode layout retains and redistributes electrolyte in large-area cells to prevent liquid shortage and output loss.

Acid and alkali salt de-bundling keeps carbon nanotubes conductive while improving slurry dispersion for longer-lasting lithium secondary batteries.

Gradient porosity in a dry electrode film improves electrolyte penetration, lowering internal resistance while preserving energy density in thick lithium batteries.

A dual-particle binder with a highly soluble polymer boosts electrode peel strength while preserving rate and high-temperature storage performance.

Stabilizing alpha-MnO2 with specific ions resolves the trade-off between high discharge capacity and cycle lifetime in magnesium batteries.

Anode composite limits volume change to 180 percent during charge cycles, preventing electrode deformation and peeling from the current collector.