Electrode Manufacturing Processes TRIZ Cases

A metal salt coat on an anode active material layer prevents electrolytic solution decomposition to improve cycle characteristics.

Asymmetric copper foil surfaces balance adhesion strength and coating uniformity, preventing material peeling during charge-discharge cycles.

Preloading negative electrodes with supplemental lithium stabilizes cycling performance, preventing capacity fading from positive electrode degradation.

A bobbin replacement method uses a marking sticker to align double-sided tape with an electrode sheet.

A spray-drying process creates a spherical carbon matrix with homogeneously distributed alloy particles for lithium ion battery negative electrodes.

Segmented rotor and mesh body supply fixed powder amounts to prevent uneven dispersion in electrode manufacturing.

Replacing thermal drying with chemical extraction using ionic liquids reduces water content while preserving polymer stability.

Porous cathode layers wick aqueous solutions to activate enzymes, resolving weight constraints for active RFID tags.

Composite electrolytic copper-tungsten foil resists softening at 300°C, preventing warping during battery lamination.

Curved primary particles in vapor-deposited silicon anodes relax expansion stress to prevent active material peeling and improve cycle characteristics.

Amorphous carbon coating on graphite particles enhances lithium ion acceptability while suppressing electrolyte decomposition to improve battery life.

A positive electrode current collector features a noncoated edge portion adjacent to the active material layer.

Recessed active material layers stabilize thin current collectors, increasing energy density while maintaining mechanical strength.

Magnesium aluminum oxide spinel coatings on lithium battery electrodes protect core materials from electrolyte reactions while maintaining ion conduction.

Amorphous V-P-O/C precursors enable faster reaction rates at lower temperatures, reducing impurity formation and manufacturing costs.

A laser scanning unit employs intermittent irradiation to form continuous unit cutting sections with bent extensions on electrode plates.

A dual-layered protective coating with specific elastic moduli accommodates volumetric expansion and suppresses dendrite growth.

A layered lithium nickel oxide cathode active material with controlled oxygen generation stabilizes the crystal structure during production.

Segmented grooves in lithium battery electrodes improve electrolyte distribution uniformity while preventing plate deformation during winding.

A silicon oxide anode active material features a lithium-unreactive metal coating layer to enhance electrical conductivity and structural stability.

A Li ion-selective membrane extracts lithium ions from aqueous liquids using an applied electric field for direct intercalation into a cathode material.

Lithium-containing mesoporous films scavenge hydrofluoric acid to prevent transition metal dissolution and suppress dendrite growth.

Replacing flammable organic solvents with SO2 electrolyte eliminates combustion risks while maintaining discharge capacity over 250 cycles.

Metal phosphate coatings prevent cathode degradation by forming stable barriers against electrolyte components like HF and LiOH.