Electrode Rolling/Calendering TRIZ Cases

Blank regions on anilox roller bosses prevent slurry bonding, reducing substrate wrap angle fluctuations and improving coating consistency.

Segmented mesh openings confine lithium growth to prevent dendrite formation while maintaining high capacity retention rates.

Creating a mixed phase at the interface between the high-resistance layer and active material prevents delamination during battery manufacturing.

Composite particles with sulfonic acid polymers resolve slurry viscosity trade-offs, ensuring uniform film thickness and high initial capacity.

Pre-assembly electrolyte coating forms a stable passive film on lithium metal electrodes to enable uniform surface deposition.

A pre-lithiated precursor electrode uses a lithium foil layer to form a lithium reservoir during cell assembly.

Stabilized lithium metal powder coating compensates for irreversible capacity loss during first cycle SEI formation, improving coulombic efficiency.

Pretreating lithium battery electrodes with specific electrolyte compositions forms a stable solid electrolyte interphase film before assembly.

Encapsulated sulfur particles in a high-density slurry boost conductivity while controlling polysulfide diffusion to improve cycle life.

Pre-integrated fluid channels in battery electrodes eliminate vacuum filling steps, enabling rapid and uniform electrolyte distribution.

A patterned non-coating portion on an electrode foil modifies local material properties to match coating ductility during manufacturing.

Partial sealing near terminals prevents electrolyte leakage during injection, ensuring reliable battery assembly.

A melting induction solvent vaporizes to create a humidified space for uniform separator surface melting during electrode lamination.

Through-holes in the electrode active material layer reduce internal resistance and improve flexibility by preventing non-uniform constituent distribution.

Epoxy resin and silver filler primer layer bonds lithium metal anode to current collector, resolving adhesion weakness from rolling manufacturing.

A brush-like rotor transports powder through a mesh body to maintain stable electrode coating.

Conductive polymer binder stabilizes SiO anodes while SLMP prelithiation improves first-cycle efficiency.

Controlled furnace atmosphere processing improves capacity retention of silicon-dominant anode cells.

Segmenting electrode sheets between coated portions during pressing inhibits foil wrinkles and corrects distortions.

A negative electrode composite forms through rolling lithium metal powder with a metalloid oxide active material layer.

A Zr-doped lithium metal oxide core coated with Al2O3 nanoparticles via dry coating to enhance charge transfer resistance and cycle stability.

A non-aqueous electrolytic solution containing a specific additive compound improves initial charging efficiency in secondary batteries.

A positive electrode slurry composition incorporates a fluorine-containing polymer and specific oligomer to form a protective gel-type film on the electrode surface.

Segmented mixing attaches ferroelectric particles directly to active material, reducing activation energy for lithium ion desolvation.

Pre-formed protrusions on battery electrode films absorb expansive force to prevent structural damage and enhance safety.

Spray-drying slurry creates composite particles with controlled particle size distribution to prevent hopper troubles during pressure molding.

Wavy pouch and electrode assembly enable elastic deformation, resolving rigidity constraints in wearable electronics.

Anode capacity excess prevents surface discontinuities and improves cathode utilization in lithium iron disulfide cells.

Coating activated carbon on both sides of a ceramic-insulated separator merges battery energy density with capacitor power delivery for rapid charge cycles.

A graded porosity lithium ion battery electrode structure facilitates faster ion transport through three-dimensional porous pathways.

A coated iron electrode uses a continuous process with PVA binder to deposit active material on a conductive substrate.

Periodic inductive heating cycles reduce temperature spikes at uncoated foil sections, preventing oxidation and abnormal extension during electrode drying.

A roll-based electrode manufacturing method removes excess active material to define formation regions on current collector foil.

Scattering insulating powder on electrode surfaces prevents direct contact between cathode and anode layers during assembly.

A roll press machine adjusts the gap between upper and lower rolls using an electric motor and ball screw mechanism to consolidate electrode layers.

Alkyl succinimide polyether copolymer lubricants reduce adhesion during lithium film rolling.

A positive electrode mix uses lithium iron phosphate and nickel manganese cobalt oxide particles to enhance battery performance.

Layered positive electrode combines spinel and phosphate materials to enhance electron conductivity.

Calculating collector stress to select thickness ratios prevents bending from thermal contraction while maintaining bonding force.

Emboss active material layers in a pendular state to form uniform depressed portions without die adhesion.

A method shapes active material into wet particles for remanufacturing electrodes.

Adjusting roll surface hardness prevents particle crushing during wet coating transfer, ensuring uniform film thickness and high productivity.

Segmenting the anode into layers with distinct press densities preserves surface porosity, resolving ion mobility bottlenecks caused by electrode pressing.

Segmented stretching rolls with deviated axes stretch exposed foil ends, preventing wrinkles in the non-forming part while maintaining high electrode density.

A Mn composite oxide positive electrode combines tetragonal and layered structures to enhance cycle life.

A roll press apparatus stretches inactive electrode regions before compression to maintain uniform tension across the strip.

Flat cathode active material with controlled hollowness and aspect ratio densifies the electrode layer through pressing to enhance lithium ion conductivity.

Alumina-containing layer with gamma-alumina particles bonds to battery electrodes and separators.

A roll press machine uses a small work roll and V-shaped backup rolls to press uncoated electrode parts.

Segmenting anode layers with tailored binders accommodates silicon expansion, maintaining structural integrity and capacity retention.