Electrode Rolling/Calendering TRIZ Cases

Polarized-bond PPB binder strengthens electrode adhesion and cohesion, preventing cracking at higher coating weights without raising impedance.

Removing the smallest electrode particles and fibrillating a dual-binder mix improves dry film strength, thickness control, and battery assembly.

A BaTiO3 ceramic layer on a silicon anode suppresses gas generation, limits surface degradation, and preserves cycle capacity.

Dancer and draw rollers stabilize web tension so powdered dry film coats carrier substrates evenly during continuous roll production.

A fluid-filled pressure adjustment layer helps the contact surface conform to uneven electrode shapes and apply uniform lamination force.

A movable ring on the bobbin supports non-coated electrode portions to reduce wrinkles and thickness differences during winding.

High-rate battery formation steers silicon-dominant anode swelling away from x-y growth, improving cycle life and energy density.

Two-stage crushing controls dry electrode powder size before calendering, improving free-standing film thickness and width uniformity.

A conductive protective layer on anode active material prevents binder decomposition and helps dry electrodes retain capacity over cycling.

Controlling positive electrode pore volume during rolling helps preserve particle integrity, cut gas generation, and extend lithium battery life.

Patterned trough and chute surfaces disperse fibrous dry powder more evenly, reducing supply deviation at calendering rolls.

A lithium metal composite anode layer adds rigidity and lithium reserve to prevent pressing-induced short circuits in sulfide solid batteries.

Bottom and chute pattern portions disperse cohesive fibrous powder to reduce supply deviation and improve dry electrode uniformity.

Using two dry cathode layers with different active material and solid electrolyte ratios lowers resistivity, strengthens the film, and removes solvents.

A two-layer electrode uses non-PTFE resin near the current collector and PTFE in the outer layer to cut interfacial resistance and improve conductivity.

Ultrasonic groove forming creates ion paths in dense electrode coatings, lowering tortuosity while preserving collector properties.

A fluoropolymer powder binder enables dry-coated Li-Ion electrodes with strong adhesion, lower processing temperature, and no toxic NMP solvent.

A solid organic phosphorus compound in the positive electrode layer suppresses electrolyte oxidation and sustains secondary battery operation at high voltage.

Different roll diameters equalize stretching across electrode sheet non-formation portions, reducing strain and warping during rolling.

Laser-formed alignment features and weakened tear patterns speed 3D battery electrode production while reducing defects and preserving longevity.

Using a non-hydrophobically modified alkali-swellable emulsion thickener, this case improves anode coating adhesion while keeping slurry viscosity robust.

Precomputed roll-gap compensation adjusts to speed changes during electrode rolling, keeping thickness uniform and reducing correction time.

A heated polymer-binder dry process removes NMP and drying steps while maintaining strong electrode sheets, energy density, and cycle life.

Dry mixing of lithium salt, polymer, conductive agent, and active material avoids solvent porosity and supports denser, more stable positive electrodes.

Electrical conductivity and flow measurements reveal dry electrode mixture quality before film forming, cutting rework time and cost.

Pre-positioned feed rolls and butt-joint transfer automate electrode replacement, cutting downtime and material loss in battery production.

Controlling binder crystallite size during dry fibrillation balances uniform distribution and mixture sheet strength in non-aqueous battery electrodes.

Blades and guides condition dry electrode powder flow before roll pressing, enabling fast film formation without uneven thickness or tearing.

Matched roll and film surface sensing enables accurate feedback control of electrode coating thickness despite roll deformation or misalignment.

A dual-layer cathode sheet uses high nickel in the center and lower-nickel edges to limit moisture reaction while preserving battery energy density.

Differential roll heating densifies electrode material while limiting support deformation to improve coating uniformity and adhesion.

Shielding members block coating in the marking area, then peel away to form scores without laser heat-affected zones on electrode sheets.

Alkaline additives raise slurry pH to improve electrode coating adhesion, cycle life, and sodium-ion battery performance.

Sequential wet coating and free-standing layer deposition cuts repeated battery coating steps, reducing process time and material waste.

Closed-loop roller gap and force adjustment keeps lithiated electrode length consistent, preventing tab misalignment in cell winding.

Separating lithium metal from the electrode with an electrolyte enables uniform pre-lithiation, reducing SEI damage, side reactions, and safety risk.

A triblock copolymer binder enables dry-formed self-standing anode films with stronger adhesion, better formability, and improved cycle stability.

Flexible flaps on paired rollers keep the electrode stack flat and under steady tension to prevent tearing or bunching during cutting.

A dual-binder anode laminate balances adhesion, elongation, and flexibility in dry lithium secondary battery electrode manufacturing.

A triblock copolymer binder enables dry-formed self-standing anode films with strong tensile properties, formability, and electrochemical stability.

A reduced-thickness cushioning section eases elongation mismatch at cathode edges, cutting rolling wrinkles and fractures.

Multi-stage dry roller compression forms all-solid-state battery electrodes with uniform thickness and controlled porosity while avoiding drying and binder swelling.

A non-conductive support coating reinforces thin current collector edges during welding, preventing deformation, shorts, and contact resistance.

A coagulated gel core fills the jelly-roll cavity to support the electrode assembly, cushion swelling, and extend battery cell life.