Electrode Rolling/Calendering TRIZ Cases

Hollow resin particles collapse during electrode rolling to increase active material density and form open pores for electrolyte permeability.

Polymer coating stabilizes reactive lithium during dry mixing, resolving contradictions between doping capacity and cycle reliability.

A composite porous coating layer on lithium battery electrodes maintains ion conductivity while preventing heat-induced short circuits.

Depositing a protective layer on dried lithium-ion electrodes before calendering prevents metal dissolution while maintaining energy density.

Wet slurry casting and annealing create smooth cathode films to resolve the trade-off between high power density and manufacturing cost.

Fluorine-introduced coatings on lithium manganese particles suppress ion exchange reactions during aqueous processing.

A positive active material layer combines primary and secondary particles to balance ion transport and structural stability.

Borate compound and ionic metal complex suppress gas production and reduce solid electrolyte interface resistance in lithium batteries.

Ultrasonic vibration on the calender roller reduces friction and stress concentrations, preventing wrinkles and delamination in lithium-ion battery electrodes.

Variable gravure roll recesses move mixed powder to the current collector foil, eliminating solvent drying and reducing end sag parts.

Induction heating anneals the uncoated collector portion of secondary battery electrode plates to modify material ductility.

High surface quality on a ceramic separator prevents cracking during assembly, blocking lithium whisker growth and electrical shorts.

A lithium ion battery electrode uses organic carbonate solvent to dissolve binder and disperse conductive additives uniformly within the active material mixture.

A composite oxide with a monoclinic crystal structure serves as the negative electrode active material in nonaqueous electrolyte batteries.

Heating and pressing a composite paste of silver and copper powders reduces metal consumption while maintaining electrical conductivity.

Surface treatment creates binding sites on separators, allowing cold press lamination to resolve adhesion strength versus process complexity trade-offs.

Simultaneous cutting of layered ribbons creates multiple plate segments, reducing sequential processing time and boosting production rates.

A cathode active material composition incorporating transition metal oxides to oxidize aluminum and form a protective Al2O3 layer.

A multilayered positive electrode structure reduces elongation percentage in the lower layer to increase penetration resistance.

An insulating protective layer covers the lateral surface of a conductive primer layer in a dry electrode film, eliminating gaps that cause pinholes and cracks.

Electrostatic powder deposition eliminates solvent drying to improve mechanical stability and reduce energy costs.

A silicon core coated with a water-insoluble polymer composite resolves the trade-off between high capacity and mechanical strain during cycling.

A lithium ion conductive ceramic additive provides ions during initial charging to form the solid electrolyte interface on a positive electrode.

A silicon-coated release film enables uniform lamination of lithium metal onto negative electrode material mixtures.

Communication grooves in the negative electrode composite material layer enable uniform electrolyte distribution within flat-plate winding assemblies.

Binder solution applied to current collector foil followed by active material particles and pressing creates bonded electrode layers.

Dimpled lithium metal anodes guide ion nucleation to suppress dendrite growth, improving cycle stability and Coulombic efficiency.

A slot die deposits electrode slurry in a zigzag pattern on metal sheets to create irregular battery electrodes.

A bimodal pore cathode structure controls maximum pore diameter to enhance electrical conductivity and adhesion.

A composite electrode joins active material films to a roughened aluminum current collector using high-pressure thermal bonding without adhesives.

A lithium battery positive electrode uses segmented nickel-based particles to enhance capacity and structural integrity.

A three-dimensional porous current collector integrates electrode active materials directly into its structure to enhance electroconductivity and reduce binder usage.

A guide member channels granulated powder toward a squeegee gap to ensure uniform active material layer thickness and adhesion.

A roller system applies tensile force to battery electrode strips to correct distortion and warpage during manufacturing.

Stacking a polymer film on electrode slurry controls solvent evaporation direction, preventing non-uniform binder distribution and enhancing adhesion.

Microcapsules fill electrode pores to reduce internal resistance and prevent active material delamination in solid-state batteries.

Cellulose-based binder distribution in negative electrode mixture layers enhances electrolyte permeation and lithium ion supply.

Differential roll speeds generate shear force to compress electrode layers, resolving the trade-off between layer density and facility complexity.

Volatile methyl siloxane lubricants evaporate completely during lithium sheet lamination, eliminating residue contamination in electrochemical cells.

Mechanical shearing fibrillizes binders to form dry electrode films, eliminating toxic solvents and reducing manufacturing costs.

Inorganic insulating layer on electrode surface prevents separator melting during thermal runaway events.

Drawn uncoated regions in battery electrode sheets distribute tension to suppress curl, preventing wrinkling and tearing during high-speed manufacturing.

Roll lamination creates unit cells with uniform curvature to maintain shape stability during charge cycles without excessive deformation.

A segmented electrode active material layer with an interlayer improves binding strength and reduces internal resistance in lithium batteries.

Porous aluminum oxide hydrate films reduce heat generation during short circuits while maintaining high output through optimized porosity.

Ultraviolet curing of a polymer-ceramic composite eliminates solvent drying steps that react with lithium metal, preventing ignition risks and dendrite growth.

Vacuum rollers and negative pressure holes hold waste edges during laser cutting, preventing defocusing and eliminating material waste.

Patterned binder coating on lithium ion battery collectors creates distinct coated and uncoated sections for powder deposition.

Selective anodizing creates conductive, protected surfaces on lithium-aluminum alloy electrodes that eliminate heavy copper busbars and reduce weld brittleness.

A composite cathode active material featuring a metal oxide and lithium fluoride coating layer on a lithium composite oxide core.