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.

A delivery conveyor with spaced plate carriers and stop mechanisms intercepts battery plates at indexed positions to form stacks.

Cross-flow filtration during secondary crystallization maintains slurry concentration to achieve high tap density and uniform particle size.

Metallic sodium and tin binary alloys form electrode materials that maintain high specific capacity retention during charge cycles.

Anion-deficient non-stoichiometric lithium iron phosphate electrode material enhances electrochemical performance through controlled stoichiometry.

A lithium battery separator integrates destroyed capsules containing binder polymer and inorganic particles to enhance mechanical strength.

A metal-doped nickel oxide cathode stabilizes the active material structure to reduce oxygen evolution during storage.

Maintaining the rotary kiln feed zone at 500°C or higher while pre-drying the precursor eliminates crushing steps and boosts production efficiency.

Doped nickelate compounds maintain structural stability during cycling, resolving capacity fade issues inherent in conventional sodium-ion battery cathodes.

A silicon dioxide covering layer on a SiOx negative electrode prevents high-resistance coating formation and maintains cycle characteristics.

Coaxially coating amorphous silicon shells on vertically aligned carbon nanofibers solves volume expansion issues while maintaining high specific capacity.

A controlled formation method stabilizes the solid-electrolyte interphase layer in fast-charging lithium ion cells.

A high-resistance undercoat layer between the positive current collector and active material prevents direct contact risks while maintaining conductivity.

Kneading active material with thickener before adding conductive agents preserves single-walled carbon nanotube structure, reducing electrode resistance.

A Li2Mn(1−2x)NixMoxO3 positive electrode material stabilizes the crystal lattice through nickel and molybdenum incorporation.

Metal-assisted chemical etching forms porous filter passages on nonparallel substrate faces using catalytic metal islands.

Variable collector lug spacing compensates for radial offset caused by electrode thickness fluctuations, ensuring precise alignment.

Grooves on the double-coated part of a negative electrode improve electrolyte impregnation speed while preserving structural integrity during winding.

A cleaning agent removes lithium hydroxide and carbonate impurities from nickel-rich cathode surfaces during battery cell manufacturing.

Segmented electrolyte solvents partition toward specific electrodes, reducing lithium reactivity and polysulfide buildup.

Calcining lithium multi-metal hydroxide precursors in oxygen forms a stable surface oxide layer that improves thermal stability and cyclic capacity retention.

Reducing the tin or silicon film thickness to 0.05 μm overcomes low storage capacity limits, enabling high-rate charging in lithium secondary batteries.

A silicon-based compound layer blocks moisture penetration and reduces interfacial resistance to improve battery safety.

Optical reflection detects relative electrode positions in stacked battery assemblies, resolving alignment errors from size mismatches.

Replacing weld strength inspection with a mechanical interference fit, this flat battery base flange secures electrodes while restraining movement.

Segmented oval mandrels with exchangeable ends reduce stress concentration at folded portions of sheet type stacks by minimizing linear velocity changes.

Optimized anion doping levels prevent viscosity increase in the electrolytic solution, ensuring efficient solvent penetration into the porous polymer structure.