Electrode Rolling/Calendering TRIZ Cases

A strip-shaped negative electrode uses graded hydrogen-storage alloy particles to minimize rolling damage and maintain shape integrity.

Segmented binder particles fibrillate during single-step mixing to resolve the contradiction between manufacturing ease and mass productivity.

Agglomerated lithium iron phosphate particles with 15 to 25 nm surface roughness and controlled micropore volume enhance electron conductivity.

Segmented doctor blades with distinct tip geometries process pattern boundaries and uniformize active material thickness on current collectors.

Controlled rolling of positive electrode layers maintains current collector elongation below 1% to preserve structural integrity.

A cooling device chills metal foil before roll deposition to maintain active material layer integrity.

Perpendicular rolling of coated electrode layers distributes pressure uniformly, preventing non-uniform elongation and inconsistent electrode shapes.

Solid electrode mixture laminated with separators eliminates current collectors to enable novel battery structures.

A composite coating layer on a lithium battery cathode core suppresses side reactions and gas generation while maintaining high ion conductivity.

A nonaqueous electrolyte battery negative electrode features a noncoated edge portion adjacent to the active material layer.

Stretching exposed substrate regions before compression prevents creases while a binder-rich protective layer preserves active material integrity.

Crosslinking a rubber-based binder with an organic peroxide improves adhesion and prevents active material separation during cycling.

Undulated collector portions at roll ends reduce internal resistance by hindering uneven electrolyte movement during high-rate charging cycles.

Controlled grain size in electrodeposited copper foil prevents fracture during pressing, boosting lithium battery cycle life.

Water-soluble polymer binders suppress silicon expansion and contraction during cycling, maintaining structural integrity.

Pyrolysis converts a carbon precursor and silicon particles into a composite material adhered to a current collector.

Graded binder density in a multi-layer negative electrode secures adhesion while reducing internal resistance.

Compressing graphene nanocomposites into a three-dimensional framework eliminates solvent toxicity and reduces manufacturing costs.

Heat treating a binderless carbon-silicon slurry eliminates organic binders, reducing porosity and increasing energy density in lithium-ion cells.

A non-conductive carrier supports active powder electrodes in bipolar batteries without rigid metal structures.

Direct heat conduction from rotating rollers eliminates temperature irregularities in lithium ion battery cathode manufacturing.

Hydrostatic bearings replace mechanical wedges to regulate roll nip thickness, preventing mechanical overstress during intermittent coating.

A Li2MnO3-based anode composite material synthesized via coprecipitation and sintering delivers high initial capacity.

Gelled electrodes integrate liquid electrolytes into solid structures, reducing flammability risks while maintaining high ionic conductivity.

Rotating hot air from a torsional inlet pipe ensures uniform drying of secondary battery electrode plates, resolving uneven distribution issues.

A positive electrode with controlled 0.6-1.5% elongation prevents internal short-circuits during nail penetration.

Hard carbon particles mixed with graphite enhance charging speed and lifespan by reducing electrolyte peeling.

A composite electrode uses a concentration gradient of active material and conductivity additives along the thickness to improve ion conduction.

A temperature adjusting unit reduces thermal expansion differences between roll sections to maintain consistent groove depth across the electrode width.

Controlling anode surface roughness to 3.5 micrometers suppresses solid electrolyte cracks during pressing, preventing short circuits and improving cycle life.

A releasable substrate supports a dotted functional layer to enable easy peeling and strong adhesion during battery component transfer.

Local quality differentiation and feedback control prevent electrode wrinkles and thickness variations caused by uneven rolling roll temperatures.

Extruding fibrillated zinc dough through a die to form ribbons, resolving thickness uniformity and manufacturing efficiency contradictions.

A secondary battery uses a dual-layer electrolyte with distinct inorganic particle sizes to enhance ion conductivity and mechanical strength.

Selective patterning and calendering create spatial density variations in the electrode, improving active material utilization.

Controlling the active material layer surface roughness prevents short-circuiting and reduces internal resistance in all-solid-state batteries.

Protruded rollers compress electrode sheets to enhance solid electrolyte adhesion, reducing interfacial resistance.

Twin-screw extrusion with aqueous solvent enables direct rolling of lithium iron phosphate electrodes.

A conformal metal chalcogenide layer bonds lithium metal foil to a current collector, preventing electrode delamination during charging cycles.

Short stress line design reduces equipment complexity while improving rolling precision through integrated servo-driven rollers.

A rolled alkali metal battery uses laminated wound anode and cathode rolls separated by a porous electrolyte to achieve high volumetric energy density.

Pre-depositing ink zones on second segments prevents roll separation loss and traction jerks during calendering, ensuring stable edge profile control.

Carbon nanotubes stabilize the magnesium sulfide cathode, preventing sulfur dissolution into the electrolyte while maintaining high energy density.

Stabilized lithium metal particles on a silicon anode reduce volumetric expansion, improving cycle life and high-temperature safety.

A multi-layered battery electrode uses a high crystallinity binder to constrain elongation and reduce short-circuit area during penetration.

Hollow insulating particles break under compression to form arc-shaped structures that bias conductive particle distribution in battery intermediate layers.

An ionically insulating coating layer protects electrode binders from electrochemical degradation at elevated voltages, maintaining device reliability.

Amorphous carbon coating on spheroidized natural graphite reduces swelling and electrolyte decomposition, maintaining high capacity and charging efficiency.