Electrode Manufacturing Processes TRIZ Cases

A thin carbon coating and crystalline Li2SiO3 help SiOx anodes limit expansion damage, improving first-cycle efficiency and cycle life.

Segmented top and side air blowers adjust air temperature and speed to correct edge non-uniformity during high-rate battery electrode coating.

Controlled pore volume and particle size in hard carbon improve first-cycle efficiency, capacity, and ion diffusion in battery anodes.

An indented gasket creates a gas discharge path during battery activation while preserving airtight sealing and limiting pressure buildup.

Tilted diffuse reflectance measurement avoids angle errors from electrode shaking, enabling real-time dryness control during battery electrode drying.

A tensioned, fixed separator enables cleaner cutting during electrode stacking, improving cut-edge quality and process reliability.

Elastic pressing of separator spacing portions secures adjacent sheets during electrode stacking to prevent folding and battery short circuits.

Counter-rotating blade pairs with elastic contact pressure and an ejector ring cut electrode foil into narrow strips with less chipping and straying.

Controlled insulating-layer porosity, particle size, and overlap improve electrolyte retention and lithium-ion flow to suppress battery internal resistance.

A modular upper-blade adjustment mechanism corrects blade tolerance in electrode cutting to prevent burrs and keep cut surfaces uniform.

Tuned wet and dry separator adhesion to the negative electrode limits bending and warping in high-capacity secondary batteries.

Ultrasonic vibration detaches residual powder from storage tank walls, improving transfer completeness and battery electrode mixing quality.

Separating nucleation and growth into two reactor sizes improves precursor output while keeping average particle diameter and size distribution uniform.

Laser marks on separator sheets guide covered electrode placement, improving stacking alignment accuracy without added inspection steps.

Uniform cohesion strength and low vertical resistance in a silicon-based anode help preserve connectivity and reduce capacity fade in lithium secondary batteries.

Full charging above 4.4V improves electrolyte permeation into electrodes, raising capacity while limiting electrode thickness growth.

Elastic guide rods and a surrounding spring keep tilted secondary-battery terminals in stable contact, reducing contact resistance during charge and test.

A two-step high-voltage charging profile forms a robust SEI film while limiting oxygen desorption and cation mixing in lithium-rich cathodes.

Offset cutting blades create multiple discharge holes in powder bags, improving flowability, continuity, and reducing residual powder.

Manifold air vents remove slurry bubbles before discharge, improving thick electrode coating uniformity, reproducibility, and two-layer coating.

A single camera with separate measurement and contaminant lighting inspects electrode tape dimensions and foreign substances in one pass.

Electrochemical intercalation coupled with ion exchange overcomes vacancy-limited kinetics to make high-purity layered Li and Na cathode oxides.

Pre-lithiation plus an 18% to 32% SOC window limits silicon anode expansion, preserves electrode structure, and extends battery life.

Controlling voids in a wound electrode group to limit wrinkles helps niobium-titanium batteries reduce resistance and extend cycle life.

A mesh reinforcing member embedded in a lithium electrode plate improves tab weldability, mechanical strength, and resistance to deformation.

Using higher charge than discharge current density, this pretreatment activates LMR cathodes to raise initial coulombic efficiency and shorten formation time.

Aggregated primary particles stabilize high-nickel cathodes, balancing energy density with crack resistance, longer life, and lower gas generation.

A porous layer partly inserted into the lithium metal anode limits dendrite growth and electrolyte loss, improving battery cycle life.

Aggregated primary-to-secondary cathode particles raise energy density while limiting cracks, resistance growth, and gas generation in lithium batteries.

A solvent-free anode film uses a core-shell active material to cut internal resistance, improve strength, and stabilize silicon expansion.

A porous conductive layer with partial insulating coverage stores active metal while blocking dendrite growth to improve battery cycle life and safety.

AC resistance measurement in a liquid flow detects non-magnetic conductive impurities while avoiding electrode polarization from DC sensing.

Solvent-free PTFE dispersion resin enables stable fiber formation and tighter carbon-conductive particle contact for denser, more conductive electrodes.

A thicker uncoated electrode edge lowers end resistance and local heating while preserving thin coated regions for higher battery energy density.

Adjustable picker spacing moves multiple battery cells from tray to buffer in one or two transfers, cutting loading time and mechanism complexity.

A loose-coupled lift block, connection shaft, and elastic member keep cutter clearance stable to prevent burrs and maintain cutting force.

Injected air lowers pressure between stacked electrodes, improving separation accuracy and stacking productivity for battery assembly.

Mechanical polishing removes the rock salt surface layer from degraded cathode material to restore capacity and lower resistance without baking.

Torque-controlled blade contact keeps web cuts clean at high speed while reducing blade wear in energy cell segment production.

Vision-based position measurement and PLC correction align electrodes and separators, improving unit cell cutting precision and assembly consistency.

Passive vent holes and a buoyancy-based collector remove slurry bubbles during battery coating, reducing defects, cost, and pressure risk.

JSON-based electrode specification files align sensor measurements into roll maps, improving defect tracking, process feedback, and update accuracy.

A comb-pattern meandering roller repositions cutting residue during electrode slitting to prevent lane interference, disconnection, and cut-surface damage.

Using trigonal lithium nickel oxide as an irreversible cathode additive helps supplement lithium ions while reducing impurity and gas generation.

Micron-scale primary particles aggregated into secondary cathode particles improve density while limiting cracking, gas generation, and structural decay.

Thin-film biodegradable current collectors and a polymer electrolyte enable a flexible Na-ion accumulator that degrades safely in biological fluids.

A distribution valve diverts non-homogeneous start-up melt to prevent pressure spikes, shutdowns, and waste in polymer film extrusion.

A porous core and denser shell relieve Ni-rich cathode stress, improving lithium-ion transport, cycle life, and battery safety.

Two staged laser sources notch laminated battery electrodes at different depths to limit peripheral damage and improve cut quality.

Integrated bubble collection and discharge removes air pockets from battery slurry flow, stabilizing coating supply and reducing electrode defects.

Porous graphitized carbon replaces activated carbon in dry electrode films to improve binder fibrillization, strength, uniformity, and conductivity.

Photonically and thermally pre-expanded sulfur forms internal cavities that buffer lithiation swelling and improve LiS cathode cycle life.

A roller-and-cutter feeding unit automates powder bag cutting, discharge, and transfer to reduce manual handling cost and safety risk.

Compressed air separates tape from electrode rolls while support and gripping stabilize removal, reducing damage and manual variation.

Pre-lithiated lithium metal and carbon electrodes raise energy density and power delivery while improving cycle efficiency with simpler fabrication.

A two-plate jig keeps secondary battery electrodes flat during laser notching, improving cutting continuity, precision, and notch quality.

Separating electrode plate punching into two independent units cuts burr formation, lowers polishing needs, and extends tool life.

Integrated clamping elements hold electrode sheets against stacking fingers during wheel rotation, improving stacking accuracy at high speed.

Different laser wavelengths are combined and shaped in real time to cut stacked electrode layers faster, with higher absorption and precision.

A voltage-triggered packaging member releases a second electrolyte inside the cell, extending usable voltage range and improving electrode impregnation.

An auxiliary lithium electrode and current-sink control pre-lithiate unit cells to improve silicon-anode ICE and capacity retention.

A 45%–65% SOC formation step stabilizes SEI growth, shortens charging, and improves low-voltage defect screening below 30% SOC.

A protruding gripper contacts only the electrode sheet center, avoiding wrinkled edges to reduce cutting and lamination misalignment.

Integrated rail-mounted sensors inspect die coater lips and shims on the production line, reducing manual measurement error and assembly defects.

A movable idle roller automates PET film roll-path formation in electrode sheet rewinding, improving efficiency and reducing foreign matter.

Plant-derived ultrafine microfibrils replace petroleum-based binders in alkaline battery negative electrode gel to cut environmental impact and improve discharge.

Oxidative delithiation of lithium transition-metal nitrides creates anode materials that avoid initial discharge, improve high-current capacity, and reduce lithium plating.

Vibration through a mesh plate and guide members keeps graphite powder from clustering at the hopper outlet, maintaining smooth battery powder discharge.

Negative-pressure web lifting and timed valve control clear residual coating from the nozzle to keep discrete web patches uniform and defect-free.

Ultrasonic adhesive flow sensing replaces operator visual checks to flag electrode assembly bonding defects before later battery processes.

Vacuum suction and angle control keep electrode plates flat and aligned during winding, reducing edge overlap, short-circuit risk, and rejects.

Axial and radial cutting of uncoated electrode ends creates weld-ready surfaces that lower resistance, heat generation, and ignition risk.

A single-reactor pH-controlled co-precipitation route forms bimodal cathode precursors, cutting mixing steps while improving firing uniformity.

Dual-reactor feeding and mixed-alkali washing improve NCMA precursor uniformity while cutting Na below 50 ppm and S below 800 ppm.

A layered anode with a uniform-particle top active layer reduces pre-lithiation surface deformation while preserving capacity and structure.

A rotating multi-workpiece layout with closed-loop magnetron plasma boosts deposition uniformity, lowers pressure, and reduces source fouling.

An acute-angle tab plate lowers tab-flattening pressure in wound batteries, reducing active material loss and electrode deformation.

A lid-contacting scraper returns spattered slurry during dual-agitator mixing, improving composition uniformity for battery electrode slurries.

Surface potential differences across an electrode layer reveal thickness-direction binder dispersion without destructive cutting.

A rotating filter plus gravity-fed secondary filtration blocks soft agglomerates that can scratch or fracture electrode plates during coating.

Bivalent metal cations in a quasi-solid RTIL or DES electrolyte raise aluminum-ion battery capacity, voltage, and cycle stability.

An adjustable pulverizing roller and filter net handle varying silicon feed sizes, improving energy-saving anode material preparation.

Discharge-first activation strips lithium before initial charge, preserving the protective layer, reducing side reactions, and improving cycle life.

An interface passivator forms a ternary electrode layer that lowers impedance and improves cycle life and storage retention.

A filter baffle enables continuous precursor filtration and concentration, improving cathode particle size uniformity without sacrificing throughput.

Segmented support rollers stabilize swollen electrode assemblies so laser etching stays focused, accurate, and less damaging.

Controlled precursor flowability enables uniform mixing with lithium compounds, prevents firing-stage separation, and stabilizes cathode composition.

Acute-angled quadrilateral tabs cut flattening pressure during winding, reducing electrode deformation, material loss, and cell yield issues.

A solvent-free one-pot shear mixing process improves dry electrode powder homogeneity while cutting process steps, energy use, and pollution.

A tensioning abutting surface stabilizes wavy electrode plates during laser cutting, reducing burrs, tab tearing, and component damage.

A metal-compound and graphene dual shell protects nickel-rich cathodes from side reactions, improving cycle life, charging, and thermal stability.

Closed-loop disassembly and salvage of bipolar battery components cuts recycling energy and carbon while extending battery assembly life.

Sodiation of an S-PAN cathode boosts conductivity and sulfur utilization, cutting self-discharge while improving capacity and cycle retention.

Targeted heating or vibration deposits lithium filament into layer defects, restoring electrode thickness uniformity and reducing battery scrap.

A composite cathode pairs rechargeable and high-capacity materials so batteries can be tested before use without sacrificing full-discharge capacity.

A virtual battery mixer lets workers practice material handling, quality control, and fault response without disrupting production.

A dual-block electrode binder lowers high-solids slurry viscosity while strengthening silicon-based electrode layers against peeling and cycle loss.

Binder-free branched sulphur crystal wafers cut dead volume and improve conductivity, cycle life, and active mass use in Li-S cathodes.

A low-defect turbostratic carbon envelope buffers silicon anode expansion, preserves electrical contact, and limits unstable SEI growth.