Electrode Rolling/Calendering TRIZ Cases

Reverse hydraulic bending corrects press roll deflection at higher linear pressure without enlarging cylinder size or machine housing.

Press-fit electrode films connect through current-collector pores to remove adhesive layers, improving conductivity, energy density, and stability.

By supplying and compressing powder active material under reduced pressure, this case prevents trapped air and improves electrode layer uniformity.

Sequential rolling densifies LMFP electrode sheets into a 3D binder network, reducing porosity and cracking while raising active material loading.

Localized adhesive layers on separators and electrode sheets enable wound battery assembly with less roller adhesion, higher yield, and faster production.

Metal-doped silicon on carbon particle surfaces improves anode adhesion, limits swelling, and stabilizes SEI for longer lithium battery life.

Electron beam curing replaces NMP in lithium-ion cathode fabrication, avoiding resistive side reactions and energy-intensive solvent removal.

A continuous extrusion-lamination route forms lithium battery electrodes without NMP, avoiding evaporation damage and solvent recycling.

An upstream flattening portion pre-flattens thin electrode tabs before roller contact, preventing folding and jamming during tab formation.

A conductive protective coating shields pre-lithiated silicon anodes from moisture and heat, enabling safer air processing and longer battery cycle life.

Intersecting roller tangent lines decouple forming and lamination forces to control electrode film thickness and density at scale.

Using a Li-alkaline earth alloy anode stabilizes lithium plating, suppresses side reactions, and extends lithium-sulfur battery life.

Uniform LiNO3 in and on lithium foil slows additive depletion, suppresses dendrite growth, and extends lithium secondary battery life.

Heat-formed metal silicide phases improve silicon particle adhesion and cohesion, preserving current collector contact and battery capacity during cycling.

An insulating coating on the main roller blocks charge transfer from masking material, preventing short-circuits and stabilizing bias during deposition.

Pressure-driven lithium transfer from a coated current collector offsets first-cycle lithium loss while preserving energy density and cycle life.

Adjusting transfer-roll speed from coating thickness or gap width cuts areal weight variation during electrode layer transfer.

Hydraulic reverse-operation bending corrects press roll deflection at higher linear pressure without enlarging cylinders, machine size, or cost.

Extruding thicker electrode elements, then compressing them into a thin layer, improves thickness consistency at high solid loading.

Multiple narrow lithium foil strips are laminated onto a collector to produce wide continuous anodes for large-format battery assembly.

A porous carbonized polymer matrix and attachment layer help silicon anodes expand without delamination, wrinkling, or lost contact.

Constant roller-controlled tension creates a stable measurement zone, improving electrode tape sizing accuracy and production yield.

Non-uniform oil path spacing boosts calendering roll rigidity, reduces static-pressure deformation, and helps prevent dry electrode sheet defects.

A porous silicon-carbon anode uses an adhesive buffer layer to limit expansion-driven detachment, improving cycle life, capacity, and fast charging.

Horizontally aligned microchannels in electrode base layers speed electrolyte wetting and air removal, cutting battery filling time and cost.

Cooling extruded metal foil in a cryogenic bath reduces ductility, adhesion, and tearing, enabling uniform 5-50 μm rolling.

A glass-carbon conductive coating cuts interface resistance on active particles, improving ion and electron transport in secondary batteries.

A porous carbon host with internal silicon coating and an adhesive layer limits anode displacement during cycling while preserving capacity.

Near-infrared spectroscopy tracks electrode moisture continuously during lithium battery production, avoiding destructive sampling and excess drying.

Eliminating solvent from positive electrode preparation improves solid electrolyte uniformity, lowers porosity, and avoids drying-related voids.

Vacuum-deposited lithium sublayers are pressed together on flexible supports to form a pure anode with less air reaction risk and no passivation penalty.

Controlled γ-butyrolactam and γ-butyrolactone in recovered NMP improve electrode dispersion, stability, and conductivity without costly purification.

High-frequency squeegee vibration prevents powder buildup and clogging, enabling uniform low-fluidity powder layers on moving sheets.

A single-sided outermost electrode with an interlayer suppresses curling and bending, improving stack alignment and energy density.

Rolling and folding create textured metal anodes that align crystal planes for uniform electrodeposition, longer cycle life, and dendrite suppression.

A dry graphite film process aligns plate-shaped graphite without solvents or magnetic fields, simplifying electrode production and improving fast charging.

A metal foil layer fixes active particles on the conductive layer, removing adhesive use to cut pole-piece cost while maintaining battery-cell quality.

Vacuum-deposited lithium on flexible supports is pressed into a pure anode layer, reducing reactivity without protective layers that hurt energy density.

Crushed waste electrodes are screened by powder flow index to make recycled dry electrode films with fresh-material quality and lower raw material use.

A PTFE composite binder with PVDF or PEO improves dry battery electrodes by reducing irreversible capacity loss and preserving low-voltage stability.

A protrusion-and-groove roller extends the uncoated electrode region to match coated areas, reducing folds, breakage risk, and cold-pressing defects.

A ledge-fed lubricant dispenser protects rolling mill rollers from lithium adhesion and reaction while helping maintain uniform film thickness.

Simultaneous dual-side lamination supports thin dry electrode films during forming, preventing breakage while controlling porosity and density.

Real-time thickness and speed feedback adjusts rolling pressure or temperature to keep lithium-ion battery electrodes near target thickness.

Ambient-temperature pouch cell preparation enables accurate lithium cobalt oxide material evaluation without dry room conditions, cutting lab cost.

A two-part densified Li-ion electrode balances high areal loading with ion transport by using lower porosity near the collector and higher porosity above.

A carbonized nonwoven mesh improves particle contact in solid-state battery electrodes, boosting electron and ion conductivity while lowering resistance.

Room-temperature pressure sintering of argyrodite sulfide electrolytes helps solid-state cells raise energy density while easing manufacturing.

A porous insulating layer on the positive electrode balances short-circuit protection, electrolyte flow, and adhesion to limit high-rate deterioration.

Filtering the binder solution with a 20 μm or smaller filter removes gel particles that cause coating defects in all-solid-state battery slurry.