Electrode Rolling/Calendering TRIZ Cases

A widened direction-changing roller redirects a heated battery stack to apply multi-directional stress and reduce electrode layer cracking.

Variable-width grooves improve electrolyte permeation while limiting ejection during cycling, helping secondary batteries retain performance.

Fiducial markers and tracing codes link electrode scan data to finished batteries, enabling same-spot defect tracing and better quality control.

Elastic polymer binders replace PTFE in dry electrode films to cut irreversible capacity loss while improving strength, ductility, and handling.

A single ink source coats both sides of a moving current collector through roller transfer, cutting coating complexity, energy use, and ink loss.

Pre-formed grooves and vibration enable selective active layer peeling, preserving clean electrode edges for cutting, welding, and higher energy density.

An electrochemically grown ZnO layer on battery current collectors lowers lithium nucleation overpotential to curb dendrites and corrosion.

A low-Tg phosphorus coating on cathode particles improves adhesion to sulfide solid electrolytes and cuts interface resistance in solid-state batteries.

Shear-fibrillated UHMWPE particles replace solvent binders in dry battery electrodes, cutting oven use while maintaining strength and loading.

Prelithiating material in dry electrode films offsets SEI lithium loss, improving cycling, energy density, and ESR.

A stepped insulating layer thickens the cutting region of an electrode sheet to better absorb burrs and lower separator piercing risk.

A curved crown roll stabilizes high-adhesion lamination tape, suppressing widthwise flow and wrinkles during electrode substrate feeding.

A rolled, uniformly planarized primer layer on metal foil reduces interlayer gaps and strengthens electrode adhesion in secondary batteries.

Multi-point thickness sensing lets a battery electrode roll press adapt compression and bend settings in real time to cut downtime and yield loss.

Flow and conductivity measurements feed a deep learning model to predict dry electrode manufacturing conditions and catch quality issues earlier.

Tape on uncoated base regions evens pressing force, then heat-assisted removal preserves coating uniformity and adhesive force.

Spaced multi-layer electrode coatings create dense and porous regions, speeding electrolyte penetration without sacrificing battery capacity.

Inverse temperature gradients on opposing pressing surfaces offset thermal expansion mismatch and keep electrode-separator laminates flat.

Electrostatic spinning forms lithium-supplemented and separator layers on an electrode sheet to avoid wrinkling, cut thickness, and raise energy density.

Localized pressing and optional induction heating suppress non-coating edge swelling during high-pressure electrode rolling, cutting defects.

A ceramic coating deposited and dried on battery electrodes replaces polymer separators to cut short-circuit risk and improve cycle life.

A 6-9 μm ceramic electrode coating replaces melting polymer separators to block short circuits, improve thermal stability, and extend cycle life.

Lubricant additives in electrode or solid electrolyte layers improve formability, adhesion, and low-pressure roll-pressing in all-solid-state batteries.

Ceramic-coated electrodes replace the separator in a tabless lithium-ion battery, reducing resistance while improving thermal stability and cycle life.

Hot rolling an electrolyte slurry under an oxygen-blocking layer enables uniform gel curing, stronger electrodes, and scalable lithium battery production.

Using water-based high-solid slurry on both sides of metal mesh collectors enables thicker Li-ion electrodes with higher loading, lower cost, and safer drying.

LiCMC and a carbodiimide additive raise slurry thixotropy, enabling uniform cathode coating across changing coating rates.

A lubricant additive improves electrode plate formability and adhesion during low-pressure roll-pressing, limiting fractures, detachment, and resistance.

A dual-melting VDF-TFE binder improves adhesion to metal current collectors while enabling low-temperature dry electrode extrusion.

Gas discharged through the press roller surface prevents electrode particles from embedding, reducing waste and keeping electrode film thickness uniform.

Separator air permeance is tuned between flat and bent roll sections to equalize resistance and limit lithium metal deposition.

A mixed uncoated artificial graphite particle blend improves fast charging, electrode densification, and battery life by reducing damage during roll pressing.

Temperature and gap feedback adjust branched slurry flow to offset slot-die deformation and keep electrode coating thickness uniform.

Feedback tension control and immediate lamination after final rolling prevent dry electrode sheet jams and breakage during calendaring.

Delocalized-anion ionic plastic crystals improve solid electrolyte conductivity while maintaining thermal stability and flexibility in electrochemical cells.

A ceramic electrode coating replaces the separator to prevent short circuits while improving cycle life, thermal stability, and energy density.

High-solid slurry and roll pressing create controlled electrode roughness, cutting drying time while improving bonding and growth stability.

Controlled relief patterns on electrode transfer rolls improve coating film release and adhesion while preventing residue and metallic foreign matter.

Roll surface temperature is used to adjust press pressure in advance, limiting thermal expansion and keeping electrode sheet thickness uniform.

Dry pressing and heated bonding replace wet coating to prevent binder floating and produce uniform, stable battery electrode films.

Sensor-guided speed correction aligns unit electrodes on separator sheets before lamination, preventing misalignment defects in battery assembly.

A dual-layer cathode with ion-transfer holes balances high capacity, fast charging, and structural stability in rechargeable lithium batteries.

An easily crushed first electrode layer absorbs pressing force, improving compaction and adhesion while preventing pinholes in current collector foil.

Surface-coated lithium vanadium oxide anodes cut Li-ion charging time while preserving energy density, cycle life, and safety.

Continuous roll-bonding compresses lithium and aluminum layers into a prelithiated anode, improving diffusivity and resisting crack formation.

Balancing anode porosity, graphite particle size, and carbon coating improves lithium-ion transport and lowers charge-transfer resistance.

An insulated dual-sided current collector keeps positive and negative layers aligned at high speed, improving battery cell yield and safety.

Second binder particles reinforce granule-to-granule adhesion in dry electrodes, preventing roll-winding separation and eliminating solvent drying.

Ultrasonic vibration improves particle fluidity before squeegee leveling, raising rolled grain layer density and basis weight uniformity.

Controlled binder polymer particle sizing improves dry-process bonding between the current collector and electrode active material layer.