Electrode Rolling/Calendering TRIZ Cases

A solvent-free lithium organic electrode coating limits SEI formation, cuts drying energy, and supports scalable Li-ion electrode fabrication.

Using PTFE above 3.0 × 10^6 molecular weight with low water content enables strong electrode mixture sheets without organic solvents.

Detected coating defects on electrode foils are repaired with targeted slurry application, reducing scrap and preserving production yield.

Oscillating stamp coating forms battery electrodes without solvents, cutting drying, waste, energy use, and line complexity.

Independent pressing cylinders and thickness sensing adjust local lamination pressure to keep electrode adhesion uniform despite layer thickness variation.

Pressure on a solid-electrolyte layer stack enables clean, uniform electrode metalation without liquid electrolytes, reducing complexity and contamination.

Peripheral coating portions balance pressure during calendaring, reducing electrode foil wrinkles and scrap without added heating equipment.

Polymer-coated foil edges equalize stretching during calendaring, reducing wrinkles while preserving electrode coating thickness control.

An H1-H2-H3 active material thickness profile balances edge and center loading to prevent fat edge, side cracking, and lithium precipitation.

A guide rail lets the rolling assembly move parallel to the work surface, keeping pressure constant and perpendicular for more accurate shear and bonding tests.

A flexible connection sheet between electrode sheets absorbs tension and meandering stress to reduce fractures in roll-to-roll processing.

Dual load-cell feedback at both roller ends keeps lamination pressure uniform across electrode stacks, improving adhesion and avoiding separator damage.

Optical color-coordinate checks before roll-pressing flag defective electrodes early and help reduce finished-product defects.

Melt-spun tin alloy ribbons use chemical etching to add porosity, avoiding binders and drying while improving anode stability and cycle life.

Stamped microchannels cut electrode tortuosity to speed ion transport while preserving thick LiFePO4 electrode stability and capacity.

Hollow spherical additives in the negative electrode buffer lithium-driven expansion, reducing battery swelling force while preserving energy density.

Parallel cutting before independent strip rolling reduces electrode wrinkling, curvature, and thickness variation while preserving throughput.

A detachable ring assembly presses uncoated current collector edges during rolling to maintain tension and prevent folds or wrinkles.

An acrylic resin protective layer helps transfer lithium onto the anode cleanly, reducing peeling difficulty, lithium loss, and added resistance.

Heating solvent-free PTFE fiberization to 50°C or higher boosts electrode film tensile strength, reducing cracks and solvent removal steps.

D-cut pressure bonding rollers with boundary protrusions keep lithium foil aligned and form peelable interval portions during electrode plate manufacturing.

Patterned pressing on the electrode non-coating portion reduces swelling during high-pressure rolling, cutting failures and improving winding efficiency.

Local induction heating softens electrode uncoated portions during rolling, preventing wrinkles and ruptures while enabling higher density.

A fluorinated spinel composite oxide balances complex cathode chemistry with higher discharge capacity in nonaqueous secondary batteries.

Lithium foil lamination enables solvent-free prelithiation of silicon anodes, cutting powder hazards and irreversible capacity loss.

A crowned rolling roll boosts electrode mixture density by improving pressure distribution, avoiding end contact, and stabilizing battery sheet rolling.

CuV2O6 enables faster Mg2+ diffusion and reversible 2.1 V storage, helping magnesium-ion cathodes raise energy density without losing stability.

In-situ calcium zincate crystals guide uniform zinc deposition, limiting dendrites, active material loss, and battery short circuits.

Reducing web tension around the compression roll limits length variation, wrinkles, and base material breakage in electrode plate manufacturing.

A solid thermoplastic binder film replaces solvent slurry in electrode making, cutting drying time, cost, and solvent hazards.

A 3D carbon nanotube surface layer limits electrolyte reactions in nickel-rich cathodes while improving conductivity, thermal stability, and cycle life.

Low-speed high-temperature kneading controls binder crystallinity to improve dry electrode strength while limiting active material micronization.

A solid-state electrolyte enables lithium preloading by electroplating while limiting lithium loss, dendrites, and anode degradation.

A sacrificial coating on uncoated foil areas matches compressibility during calendering, reducing wrinkles and active material cost.

Continuous roll-to-roll coating and zoned heat treatment pyrolyze the binder into glassy carbon, improving silicon-anode cell life and throughput.

Local heating of the uncoated current collector before rolling reduces electrode wrinkles and fractures while preserving tensile strength.

A coil along the electrode path enables fast induction drying while simplifying equipment and preventing overheating or tab oxidation.

A halide solid-state electrolyte raises cathode compaction density to cut interface impedance, improve rate capability, and extend cycle life.

Adjacent shear rollers stretch the free-standing dry electrode film during calendering, cutting equipment size while improving stretch rate.

Wet grooving of a solvent-containing electrode coating enables two-direction grooves of different depths while reducing die release defects.

Reference-point detection and roll-position tracking replace manual electrode loss checks, improving roll-map accuracy for battery manufacturing.

Dry electrolyte powder is pressed into laminated films without NMP, limiting boundary layers and lowering solid-state battery resistance.

Applying the insulating layer before second-electrode placement protects weak electrode bases from cracks, deformation, and laminate breakage.

Differential-speed main and shear rollers stretch a free-standing dry electrode film while reducing apparatus size and roller-system complexity.

Segmented high-density electrode regions shorten electrolyte return paths, improving liquid retention and preserving cell capacity.

Controlling electrode QBR to 1.1 or less keeps PTFE binder uniform, improving current collector adhesion, conductivity, and rate performance.

A vibrating blade with protruding ends controls film width and thickness to improve in-plane uniformity in high-solid sheet electrode coating.

A halide solid-state electrolyte raises positive electrode compaction density to improve ionic conduction, cycle life, and rate performance.

Rheology-based temperature selection lets thick electrode coatings roll without cuts or slurry detachment, preserving coated mass and battery capacity.