Electrode Thermal Treatment TRIZ Cases

Sequential precipitation builds Ni, Co, and Mn-rich regions in a cathode precursor to raise capacity while preserving structural and thermal stability.

Axial moisture control in a wound electrode body keeps 80-150 ppm with under ±20 ppm variation to improve SEI uniformity and thermal stability.

A tuned XRD peak ratio and carbon coating help lithium phosphate cathodes extend cycle life without lithium supplementation or additive tradeoffs.

Direct electric heating, spray coating, and stirring in one chamber reduce heat loss and improve temperature uniformity in cathode processing.

A crosslinkable fluoropolymer blend improves electrode adhesion to metal substrates while maintaining binder function for better battery capacity.

Using mixed precursor particle sizes and staged sintering, this case improves cathode packing density, uniformity, and resistance while limiting lithium by-products.

A lithium cobaltate and transition metal oxide double coating cuts residual alkali on high-nickel cathodes, improving cycle life and thermal stability.

A shell that embeds carbonaceous conductive material in the cathode coating preserves mixing density while improving cycle life and energy density.

Mixed large and small cathode particles with tuned Li/Me ratios raise Li-ion battery capacity and output while limiting oxygen release and voltage sag.

Magnesium substitution and fluorine-assisted diffusion stabilize LiCoO2 cathode particles, limiting capacity fade and structural breakdown during cycling.

A cobalt-coated blend of secondary-particle and single-crystal nickel cathodes helps limit cracking and structural collapse while preserving capacity.

A reinforcing film at electrode composite-layer ends spreads shear load, delays fatigue cracks, and extends secondary battery life.

Bonded single-walled CNT bundles form a conductive network that improves slurry dispersion, lowers electrode resistance, and supports battery life.

A serpentine guide-roller path extends electrode sheet heating time at high coating speed while reducing curling, scratches, and deviation.

Surface temperature feedback identifies constant-rate drying zones and adjusts heat supply to keep electrode adhesive force consistent.

A sulfate-distributed cathode active material stabilizes the electrolyte interface, cuts side reactions, and improves battery cycling life.

Guide rails and a movable threading assembly transport electrode plates through the oven with uniform force, reducing breakage and jamming.

Surface-deposited or interfacial oxides on spinel cathode particles improve cycling stability at room and elevated temperatures.

Segmented rod lamps tailor heat across electrode sheet width to dry coatings faster while preventing edge wrinkles, cracks, and quality loss.

Steam injection only during temperature rise cuts residual lithium by-products and improves coating uniformity in positive electrode active material.

Controlled calcination and carbon coating restore recycled cathode crystal structure, improving thermal stability, lifespan, and gas suppression.

Infrared pre-drying combined with hot air shortens electrode drying lines, cuts energy use, and lowers agglomeration and explosion risk.

Controlled 170-300 nm crystallites with multi-element doping cut gas generation, resistance rise, and thermal instability in high-Ni NCM cathodes.

A phosphate surface layer formed during sintering stabilizes Li/Na cathodes, suppresses side reactions, and extends high-voltage cycle life.

Controlled pore distribution in silicon-carbon anode powder absorbs silicon expansion, reducing swelling, stress, and cycle-life loss.

Blowing and suction around the laser etch path redirect debris to the non-coating area and limit the heat-affected zone for cleaner electrode edges.

A thin coating on negative electrode material suppresses electrolyte side reactions and lithium loss, improving cycle life and first-cycle efficiency.

A dual-particle cathode blends olivine and layered materials to raise energy density, operating voltage, and low-temperature battery performance.

Low-cobalt high-nickel cathode chemistry uses doping and in-situ coatings to improve structural stability, capacity, and safety.

Basic-solution separation and relithiation recover lithium battery cathode scrap without acid extraction, cutting cost and environmental burden.

An inclined constant-rate drying step followed by horizontal falling-rate drying limits binder floating and strengthens electrode adhesion.

An oxide-coated sodium-ion cathode limits moisture and electrolyte side reactions, stabilizing the interface and improving cycle life.

Laser-ablated recesses in a silicon anode active layer absorb expansion, preserve conductivity, and avoid current collector breakage.

Doping and dual surface coatings stabilize low-cobalt high-nickel compounds, lowering residual alkali while improving Li-ion cycle life.

Simultaneous aluminium nitrate and base feeding enables uniform aluminium oxide hydroxide coatings on irregular surfaces with controlled thickness.

Porous electrode pre-lithiation improves lithium transport uniformity, helping Li-ion batteries charge faster without sacrificing cycle life or safety.

Using a non-aqueous solvent in the insulating composition improves wet adhesion, prevents gelation, and stabilizes secondary battery electrodes.

Stabilized O2-like cathode compositions and Na-Li ion exchange raise high-potential capacity while lowering lithium-ion conduction resistance.

Hollow secondary particles with grain-boundary element M improve ion transport, lower resistance, and preserve battery cycling stability.

Multiple air nozzles and suction remove laser-notching scraps and fine dust, preventing overlap and excess jelly roll volume.

Embedded silicon, an activator, and carbon coating boost anode capacity while constraining expansion and supporting cycle stability.

A 3D porous cathode with continuous ionic and electronic pathways lowers internal resistance and supports hermetic solid-state cell assembly.

Metal atoms bind and inactivate oxygen on active material surfaces, reducing lithium capture and stabilizing high-capacity battery anodes.

Metal atoms bind surface oxygen in silicon anodes to prevent lithium capture, improving Coulombic efficiency and anode stability.

Carbonate-doped porous carbon holds sulfur more uniformly, limits lithium polysulfide leaching, and reduces over-voltage in lithium-sulfur batteries.

Iron inside a carbon matrix and boron on its surface help secondary battery anodes balance fast charging with stable cycling.

Controlled voids in the negative electrode trap deposited metal, reducing chemically induced micro short circuits and voltage drop.

A polyimide-bound porous silicon-carbon negative electrode layer absorbs expansion to prevent cracking and peeling while preserving capacity and cycle life.

A nickel-alloy saggar with an Al2O3 contact film improves heat transfer, limits contamination, and lasts longer in lithium cathode powder firing.

A core-shell lithium composite oxide cathode uses phase and composition gradients to suppress phase transition, improve cycle life, and limit voltage decay.