Electrode Rolling/Calendering TRIZ Cases

Controlled spray deposition creates electrodes with tailored porosity gradients.

A compression apparatus adjusts roll speeds to stabilize tension fluctuations between battery electrode plates.

Current-driven Joule heating softens lithium metal layers between rollers to create a metallurgical bond with the current collector.

Two-stage pressing resolves thickness and porosity contradictions, enhancing battery ion transport.

Vaporizing polymer dispersion in a fluidized bed coats active materials, eliminating solvent removal energy and preserving material integrity.

A lithium layer anode uses a primer to control adhesion and manage moisture during pre-lithiation.

An integrated fibrous ceramic separator layer reinforces battery electrodes with laterally oriented fibers to boost mechanical integrity.

Segmented calendering rollers laminate electrodes while removing excess orthophosphoric acid from edges to ensure uniform distribution.

Dissolving salt additives within calendared sulfur layers restores porosity to enhance electrolyte penetration and capacity utilization.

Mechanical milling creates three-phase interfaces in a sulfur battery cathode mixture, resolving insufficient sulfur availability.

Lifting guide rolls adjust vertically to form a zigzag substrate path, eliminating complex fixed guide rails and simplifying the drying process.

A forming roller with a recessed portion adjusts electrode active material layer edges during compression molding.

A tabular nickel foam current collector features a polymer nonwoven fabric covering the coated portion to suppress self-discharge reactions.

Electrophoretic deposition forms dense electrode films that resolve the trade-off between energy density and lithium ion diffusion resistance.

A negative electrode sheet uses a fluoride coating on active material particles to enable stable film formation during roller compression.

A permeable composite electrode material deposits alkali metal within a porous support structure, resolving mechanical strength and dendrite formation issues.

Applying an electric field to fibrillize negatively charged binder components within electrode films.

A carbon layer on foam metal collectors bridges voids to reduce electronic resistance, improving cycle durability of lithium ion secondary batteries.

A silane coupling agent creates a protective layer on lithium powder anodes, suppressing dendrite formation while maintaining high capacity.

A lithium-supplementing slurry uses a prepolymer binder to disperse lithium metal powder uniformly in anode manufacturing.

Calender compression ensures uniform basis weight and thickness, resolving discharge performance inconsistencies in lithium/thionyl chloride cells.

A core-shell positive electrode active material features a three-dimensional network buffer layer connecting the core and shell.

A lithium-ion battery system uses a switchable component to shunt electrodes and restore capacity.

A manufacturing apparatus corrects separator positions using lateral displacement sensors and an image pickup unit for precise alignment.

Multi-step rolling with rubber and metal rolls increases tap density while preventing particle cracking.

Plasma treatment forms surface functional groups on electrode active material to improve solvent wettability.

Temperature-responsive polymer compression creates surface voids for electrolyte penetration while maintaining high density.

A tungsten and boron compound coating on lithium transition metal oxide limits initial efficiency loss from air exposure by inhibiting LiOH formation.

Solid electrolyte coats mesoporous cathodes to prevent polysulfide shuttle in all-solid batteries.

Chemical bonding between dendritic polymer, active material, and binder prevents electrode swelling during electrolyte impregnation.

A current collector design uses specific distance configurations between opening edges to provide mechanical buffering and connection strength.

Trimming carrier material to final dimensions prevents folds and cracks during calendering, achieving higher electrode density.

A nonaqueous secondary battery electrode plate uses controlled slope geometry to maintain uniform composite material layer thickness across the current collector.

A silicon-based alloy negative electrode material incorporates carbon and boron additives to form a stable matrix structure.

Pre-coating the current collector with a binder solution anchors granulated particles during pressing, resolving low peel strength without drying costs.

A roll with controlled surface roughness transfers coating material to a moving substrate.

Segmented pressing with a stepped jig creates boundary creases that enhance adhesion while maintaining regular coated area shapes.

A cathode material uses granulated bodies with specific particle diameters to increase active material density during electrode pressurization.

Interpenetrating polymer networks prevent binder migration during drying to maintain collector adhesion.

Pre-cutting carrier material into single sheets before coating prevents fold formation and cracks during calendering, enhancing electrode density.

A press apparatus uses a projecting and retracted guide roller to compress electrode sheets.

Semi-dry electrode manufacturing uses binder solutions and kneading to produce thin-film electrodes with high active material loading.

Incorporating fluorine into negative electrode active material powder enhances water repellency and binder dissolution in wet granules.

Mixed conductive particle aggregates create elongated regions with different hardness to distribute pressure evenly during electrode compaction.

A secondary battery electrode features a concave surface on the active material layer to reduce ion diffusion resistance while maintaining energy density.

Two-stage stirring refines wet granule particle size to prevent pinholes and streaks in electrode layers.

Controlled pore distribution in positive electrode active materials increases battery capacitance while maintaining low resistance and peeling strength.

An electrode manufacturing apparatus levels granulated particles using a squeegee and rolling rolls to form active material layers.

A lithium battery electrode structure uses a heat insulating layer to prevent solvent-induced swelling.

Unit structure stacking improves alignment and contact uniformity while discharging interlayer gas to resolve temperature gradient issues.