Electrode Rolling/Calendering TRIZ Cases

Low-temperature jet milling fibrillates PTFE for solvent-free thick battery electrodes with higher film strength, lower resistivity, and better liquid uptake.

A hydrophobic edge coating confines insulating solution at the electrode boundary, improving thickness uniformity and stacking flatness.

Sulfide-based buffer layers and surface treatment limit porosity and void re-formation in solid-state battery electrodes, improving conductivity and life.

A PTFE-PVDF or PEO composite binder improves dry battery electrodes by limiting capacity loss and preserving ion transport without drying steps.

A mechanical structure sheet and multi-stage vacuum roll press enable uniform cell pressure, higher throughput, and short-circuit prevention.

Binder orientation above 60% strengthens the solid-state battery cathode layer while limiting losses in energy density and output.

A porous film embedded between active material layers raises lithium battery capacity while preserving thickness uniformity and manufacturability.

Variable roll speeds in a multi-roll calender form dry electrode films with tighter density control, better adhesion, and fewer cracks.

An ion-conductive polymer coating shields the cathode from high-concentration electrolyte attack while preserving lithium transport and cycle life.

A PTFE-acrylic dual-binder dry electrode avoids heat-treatment damage while improving tensile strength and lowering resistance.

Adjustable heating rollers laminate electrodes and separators in one zone, improving adhesion while reducing pressure damage and process complexity.

Higher-temperature roller ends compensate for thinner electrode assembly edges, improving separator bonding across the full width.

Sensors and speed-adjusting alignment units correct unit electrode spacing before lamination, reducing misalignment defects in battery assembly.

Selective plasma treatment tunes lithium wettability across an anode current collector to improve molten lithium coating uniformity and bonding.

A nanoscale low-viscosity slurry infiltrates the cathode layer to cut delamination and interfacial impedance in lithium-ion batteries.

Controlling positive electrode surface cracks during lithium transfer helps pre-lithiate silicon safely, limiting heat generation and ignition risk.

Force and thickness feedback adjust roller gap in dry electrode sheet forming to keep target thickness stable in mass production.

By linking electrode coordinates with cell IDs before notching, this case enables cell-level defect tracing and avoids scrapping entire rolls.

A fiberizable binder and plasticizer form stronger, more uniform dry electrode sheets without solvent drying, avoiding pinholes, cracks, and high drying cost.

Roll replacement at roughness or travel limits keeps lithium battery electrodes uniform while reducing electrolyte overflow and crack formation.

A lithium phosphate surface layer formed from diethyl phosphoramidate lets aged nickel-rich NMC cathodes tolerate air storage while reducing overpotential.

Multi-layer active material and binder control keeps high-loading electrodes uniform, improving electrolyte impregnation, binding strength, and rate capability.

A carbonized polymer electrode structure replaces metal foil support, preserving electrical contact as silicon expands during cycling.

Nanosecond laser etching forms conical holes in dense battery electrodes to improve ion conductivity and power while preserving capacity.

Counter-rotating spreading and compaction rollers form uniform dry-powder electrodes, cutting solvent use, drying energy, and equipment footprint.

Composite silicon-carbon anodes, LMFP-coated ternary cathodes, and a PI nanofiber separator extend pouch-cell temperature range and improve piercing safety.

Water-based MXene cathode slurries replace NMP and polymer binders to simplify electrode making while preserving conductivity and structure.

A modular uncoated-portion pressing layout lets one electrode rolling setup fit different cell specs while cutting roll replacement time and cost.

An interlayer and anisotropic dry electrode film enable high active loading while preventing layer collapse and separation on the current collector.

Uncoated longitudinal edges and edge slits let calendered cathodes densify without bends, bubbles, cracks, or delamination.

Delocalized anions paired with organic superbase cations form solid electrolytes that improve ionic conductivity, flexibility, and thermal stability.

Microwave nitrogen plasma treats LFP cathodes to improve the electrolyte interface while preserving crystal structure for scalable cell production.

Low-shear dry electrode processing with a fluoro-elastomer improves flexibility and helps prevent powder floating, pinholes, and cracks.

A catecholamine-based coating on active material and binder suppresses side reactions and irreversible capacity loss in rechargeable lithium batteries.

A lithium-alkaline earth alloy anode enables uniform lithium plating in Li-S batteries, limiting dendrites and LiPS decomposition for longer life.

A blocking member and suction path keep laser-cut debris out of the coated electrode area, reducing defects in battery cell production.

Direct lithium-metal contact and pressure pre-lithiate patterned anodes inline, cutting reaction time and first-cycle lithium loss.

Different-conductivity guide roll regions preheat electrodes before calendering, easing stress release and limiting deformation during coating.

A chuck, winding member, and releasing mechanism automate bobbin transfer to reduce electrode damage, labor, and safety risks.

Excess lithium in the anode current collector offsets PTFE-driven lithium loss, enabling an electrolyte-free solid-state silicon anode.

A graded Li-alloy layer suppresses dendrites while limiting inactive material, improving stripping uniformity, durability, and energy density.

A dual-particle cathode coating and low-viscosity electrolyte raise LFP battery energy density while improving thermal stability and safety.

Adjustable metering films feed coating mixture into the roller gap for uniform width, thin layers, and fewer roller pairs.

Laser-formed intaglio patterns in a Li-S battery cathode improve electrolyte penetration and material transport while raising volumetric energy density.

Pre-granulated electrode particles and multi-roller lamination improve pore and thickness uniformity, boosting discharge consistency and reducing short-circuit risk.

A surface-treated anode active material limits binder migration during drying, lowering ion resistance and improving lithium battery rate capability.

Oxidized VGCF disperses PTFE in a solvent-free dry electrode film, preventing agglomeration, avoiding drying defects, and lowering battery process cost.

A Li-Sr alloy negative electrode stabilizes lithium plating to suppress dendrites and LiPS decomposition, extending Li-S battery life.

Extruded active material is patterned with a roller to improve electrolyte access, boosting thick-electrode energy density and rate performance.