Electrode Manufacturing Processes TRIZ Cases

Thickness measurement and groove-shape comparison identify defective battery electrodes before lamination to prevent gaps, swelling, and performance loss.

Simulated electrode manufacturing combines discrete element and finite volume models to match real mechanical and electrical characteristics.

Indentation-based crack force measurement predicts electrode cracking and delamination more accurately than adhesive force alone.

A picric-acid-derived electrolyte additive forms rigid polymer and SEI layers to suppress lithium dendrites, lower resistance, and improve cycle life.

Nested outer and inner tab rings create a hole-free flat tab plane, improving current collector welding yield in wound battery cells.

Pre-cut flat electrode segments with adjustable transport spacing simplify lamination control and speed monocell and battery stack production.

Cobalt coating and controlled particle aggregation restore layered cathode structure, improving high-nickel battery lifespan, density, and gas control.

Aggregated micron-scale primary particles improve high-nickel cathode density and crystallinity while limiting cracks, gas generation, and cycle-life loss.

Vacuum manganese ion implantation on flaky LFP enables more uniform doping, higher conductivity, and stronger discharge capacity in LMFP cathodes.

Disk-type primary particles aggregated into secondary cathode material improve density while recovering layered structure to extend life and cut gas generation.

A manganese-rich shell and nickel-rich core reduce lithium elution, prevent electrode gelation, and preserve battery capacity.

Co-electrodeposited MnOx/PEDOT thin films improve oxygen reduction activity by boosting electron transport and cutting peroxide generation.

An elastic partition and pressure-controlled hollow section regulate electrode flow, reducing scattering, pollution, and yield loss.

A sensing and suction head locates and lifts finishing tape accurately, enabling upper and lower unwinding with fewer film misalignment issues.

Coordinated alternating cycles let one energy rack discharge while another charges, cutting battery activation power draw and deployment burden.

Controlling electrolyte fill and pre-charge cycles raises pouch-cell friction, helping prevent leakage and electrode separation under shock.

Sequential de-alloying with reduction annealing lowers residual active metal, improving porous metal flexibility and battery deposition stability.

By calibrating sheet coordinates with a correction section, the roll map captures defect and quality data for better electrode process tracking.

Aggregated 1-5 μm primary particles raise rolling density in high-Ni cathodes while limiting crack growth, gas generation, and life loss.

Gradient doping with Al, Ga, or In stabilizes layered lithium nickel oxide cathodes, improving thermal stability, capacity, and cycle life.

Aggregated high-Ni primary particles with cobalt-boron coating raise rolling density while limiting cracks, gas generation, and life loss.

Micron-scale single-crystal primary particles form dense secondary cathodes while restoring layered structure to cut gas and extend battery life.

Retractable stoppers secure heavy electrode plate reels on a cradle, reducing manual handling, collision risk, and transfer delays in slitting.

Negative pressure through a perforated winding sleeve holds battery foil without adhesives, reducing contamination, cleaning, and coil-change complexity.

Specific surface area is used to set minimum conductive material in nickel-manganese positive electrodes, lowering resistance and extending cycle life.

Connecting channels between anilox roller recesses let trapped air escape, reducing pumping, foam, and vibration for uniform high-speed coating.

A metal lithium and activated carbon electrode pair supplements and stores lithium to restore capacity retention and limit dendrite risk.

Micron-scale primary particles aggregated into secondary cathode particles improve high-Ni battery density, lifetime, and gas control.

Adhesive-coated separator sheets and nip-roll inversion hold battery electrodes in place during stacking, avoiding heat-pressure lamination.

A halogenated carbonate pre-lithiation solution forms an LiF/Li2CO3 SEI that blocks air-driven redox loss and preserves coulomb efficiency.

Multiple pre-mixes and slot-die coating improve silicon distribution in lithium-ion electrodes, reducing thermal stress and diffusion imbalance.

Separation sheets inserted between stacked electrodes prevent sticking in the magazine, enabling stable supply and recyclable sheet removal.

Charging within a defined SOC range exposes silicon-graphite anode voltage peaks that flag defective cells without disassembly or cell discard.

Vision sensing and controller-guided jig and laser adjustment keep roll-to-roll electrode plate cutting precise despite misalignment.

Two-stage coprecipitation shifts from high to low stirring speed to scale cathode precursor reactors while reducing cracks, fines, and abrasion.

A first blade pre-cuts one active layer before a second blade severs the collector, reducing burrs, detachment, and cut-surface unevenness.

Vision feedback adjusts jig fixing and laser position to correct electrode plate meandering during roll-to-roll cutting.

A colloidal flocculant guides coprecipitation to form oriented battery precursors, improving lithium-ion migration while simplifying production.

A tensioning abutting surface keeps the electrode plate flat and stable during laser cutting, reducing defocus, burrs, and tab tearing.

Dry gas and a sealed powder feed unit block atmospheric moisture during mixing, preserving powder quality without facility-wide humidity control.

Section-by-section vibration sensing and control keeps battery slurry powder moving by detecting abnormal pipe states before clogging slows transfer.

A vacuum tank and control valve shorten pressure response at the vacuum pad, cutting electrode plate absorption time and material scattering.

Vacuum suction holes and segmented sheet seating hold electrode sheets flat during transfer and cutting, preventing curls and simplifying battery electrode handling.

Unique electrode IDs and encoder-based coordinate data link cut sheets and bi-cells to production history for more reliable battery manufacturing.

A rotating filter plus gravity flow removes hard particles and soft agglomerates from battery slurry to prevent electrode scratches during coating.

Independent center and side pressurizing members equalize battery cell pressure, reducing lithium precipitation and activation defects.

A tailored PVdF binder composition improves metal-foil adhesion, resists electrolyte swelling, and keeps electrode slurry viscosity stable.

A multi-axis correction unit realigns punch and mold during electrode plate notching to offset press pressure bias and reduce molding errors.

Automated manipulators and capsule conveyors replace manual battery loading and unloading to raise formation efficiency and cut labor intensity.

An electric field between a drum and guide device continuously removes residual cleaning solution from cathode material, improving drying and stability.

Real-time vision sensing detects electrode and separator misalignment, helping stabilize electrode cell quality and reduce operator-dependent losses.

Separate Ni-Co feed solutions with controlled pH and ammonium levels tune BET surface area, cut cost, and improve lithium reactivity uniformity.

A spaced tab slot, arc-shaped notch, and insulating film prevent cutting damage, burrs, and battery short circuits.

A rotating guide lets one electrode support surface run while the other is cleaned, cutting dust-related downtime and tab-cutting errors.

Rapid micro-mixing and high-temperature aging produce low-defect, sodium-rich Prussian blue analogue particles with uniform size.

A polymer coating on bent positive electrode regions blocks active ion migration, reducing metal deposition risk without major energy density loss.

Controlled lithium metal layer density with concentrated electrolyte improves deposition uniformity, limits decomposition, and extends cycle life.

Rounded asymmetric electrode corners and obtuse tab-side angles help prevent short circuits, reduce detachment, and improve cutting efficiency.

A partial power source uses dissimilar materials to generate voltage from conducting fluids, powering control logic without internal batteries.