Electrode Rolling/Calendering TRIZ Cases

Mechanical spreading and calendering keep loose dry powder uniform on a moving current collector while avoiding solvent drying and electrostatic spray issues.

Co-aerosolized conductive particles and binder form uniform heated-foil films that cut coating time and improve battery heat dissipation.

Granulating graphite precursor particles with different sizes raises tap density above 1.1 g/cc while preserving adhesion, rolling, and charging performance.

A perovskite-derived protective film guides uniform lithium deposition, suppressing dendrites and improving battery life and safety.

Different nickel levels on each side of the current collector raise high-SOC power while limiting thermal energy release in battery cells.

A perovskite-derived protective film guides uniform lithium deposition, suppressing dendrites to improve battery life and safety.

Pre-compressing dry film before lamination reaches electrode density targets while avoiding wrinkling, cracking, and extra recompression.

Synchronized room-temperature compression forms a primary dry electrode film that improves calendering homogeneity, density control, and dust containment.

Elastic roll pressing distributes force across the electrode uncoated part, limiting edge breakage while reducing wrinkles and voids.

In situ calcium zincate crystals regulate zincate ions for uniform zinc deposition, reducing foam and dendrites in rechargeable zinc-air batteries.

A removable flexible film on the roll surface stops fallen active material particles from damaging electrode sheets and slowing battery production.

A two-layer graphite anode with higher binder in the top layer preserves void distribution and electron paths during compression, improving cycle retention.

Cutting, laminating, and recalendaring a dry electrode sheet boosts tensile strength and density while avoiding solvent drying defects.

A fed metal plate spreads roller pressure to protect electrode ridges and separators while maintaining adhesion in laminated battery electrodes.

Tension sensing and stopper-guided repositioning reconnect disconnected electrodes during rolling, avoiding line stops and improving battery production uptime.

Localized high- and low-friction separator regions suppress electrode bending near the winding core while maintaining winding productivity.

A variable-diameter roller compensates coated-to-uncoated electrode height steps to prevent folds, cracks, and slow tape-based setup.

Controlled heat transfer through a thermal rod enables uniform electrode-roll pyrolysis, improving silicon-anode contact and cycle life.

Aromatic compounds stabilize CNT dispersions through noncovalent adsorption, enabling electrode composites with strong conductivity and mechanics.

Mixed large spherical and small monocrystalline particles raise electrode density while limiting rolling breakage and extending lithium-ion cycle life.

Dry mixing and shear granulation eliminate solvents in positive electrode preparation, improving layer density, adhesion, and productivity.

Pre-lithiation diffuses lithium ions into the negative electrode and forms concave lines that retain electrolyte, cutting initial loss and improving cycle performance.

Different solvent polarity and density let two battery slurries form distinct layers in one coating pass, cutting alignment errors and process steps.

A rotating press roller and adhesive roller bond current collection foil to an active material layer faster while preserving battery shape.

Nitrogen-containing plasma makes nickel-rich Li-ion cathodes less moisture sensitive, enabling lower-humidity control costs in production.

Cut and bent uncoated electrode segments widen current collection, reduce heat, and keep the electrolyte path open in cylindrical cells.

Release films and two-stage press rolls help laminate lithium foil onto copper foil without sticking, tearing, or frequent roll maintenance.

A dopant salt rinse removes residual lithium salts and uniformly dopes high-Ni NMC cathodes in one step to improve cycle life.

A dual-pore anode collector gives lithium ions wider entry paths, preventing local blocking and improving reversibility and cycle life.

Electrolyte-filled pores in the current collector improve lithium-ion migration through thick mixture layers, preserving high-rate discharge.

A treated carrier foil enables solid-state electrolyte lamination, lowers porosity, and peels away cleanly without damaging the electrode stack.

Controlled stretching within the yield-to-tensile stress range corrects electrode edge curves while preserving exposed-portion stability for stacking and welding.

Sequentially mixing conductive particles with binder before kneading active material improves dispersion, conductivity, and rolling quality.

Progressive shaping rollers flatten end-surface burrs into flat-surface burrs on electrode plates, lowering separator puncture risk.

Radiation-cured pasty electrode layers form a solid electrolyte cell that maintains ionic conduction while reducing leakage, flammability, and internal resistance.

Controlled sieve- and vibration-based powder feeding keeps calender gap dosing uniform, improving dry battery electrode coating reliability.

Suction holes, grooves, and belt-linked drums improve electrode and separator positioning for precise lamination with less transfer damage.

Atmospheric plasma deposits and activates electrode particles between calendering rolls, cutting overspray, solvent use, and drying energy.

Uniform powder dosing with a vibrated chute and fill-level control enables reliable dry electrode coating without pre-compaction.

Matched roll radii apply different pressure to coating and non-coating regions, limiting wrinkles, folds, and electrode swelling.

Higher roller temperature at the end portions compensates for thinner electrode assembly edges and improves separator bonding strength.

A dual-particle cathode pairs gradient and constant compositions to raise power and capacity while improving thermal and penetration stability.

Different roll speeds fibrillate dry powder into a stable battery film on-roll, avoiding free-standing film handling and extra coating steps.

Stacked self-supporting active layers improve electrode adhesion and cohesion while boosting energy capacity, power density, and cycling performance.

A movable doctor blade regulates roll-nip material height to prevent precompression, jamming, and uneven dry film density.

A movable doctor blade and shielding elements control dry film feed in the roller nip to avoid pre-compression, jams, and uneven density.

Electrostatic dry coating and radiation curing remove solvent drying, cutting energy use and VOC emissions while speeding electrode production.