Electrode Manufacturing Processes TRIZ Cases

Carboxylic acid digestion of battery black mass recovers cathode metals at ambient conditions without sodium sulfate waste or major metal loss.

A porous support with a conductive grid and outer layer cuts current collector weight while preserving ion flow and conductivity in Li-Ion electrodes.

Guide grooves position the battery tab perpendicular to the electrode edge, preventing lateral shift during transfer and reducing fusion defects.

Controlled 3-5% prelithiation of uncoated artificial graphite offsets lithium loss from film formation, improving cycle life and energy density.

Integrated conductive layers and laminated current collecting sections raise current capacity while reducing conductive structure thickness and space.

A softening thermoplastic resin and conductive particle network let this battery thermistor layer raise resistance at a precisely set temperature.

A surface coating and modified layered oxide cathode suppress lattice distortion and electrolyte side reactions to improve sodium-ion cycling.

A multilayer cladding blocks HF attack and manganese migration in lithium manganate cathodes, improving capacity retention and rate performance.

Parallel-connecting battery cells after CC charging replaces prolonged CV equalization, cutting charging time and reducing voltage deviation.

A split roller contact structure drives the cell pole piece while avoiding tabs, reducing outward bending during high-speed winding.

Vision sensing between the puncher and cutter detects electrode sheet meandering early, enabling real-time correction and fewer defects.

Elemental fluorine forms a uniform LiF layer on lithium anodes, suppressing dendrites while enabling reproducible, scalable battery production.

Integrated kneading and rotor-stator dispersion process high-solid slurries in one machine while the balanced screw reduces bearing wear and cost.

Using iron powder and phosphoric acid, this LiFePO4 route avoids salt impurities and strict pH control while improving conductivity.

A solid metal edge on a foam current collector blocks laser leakage during housing welding while preserving porosity and separator stability.

Pre-lithiating cathode active materials adds extra lithium before cell assembly to offset anode losses and improve Li-ion energy density.

Two-stage cutting with crossing lines helps atypical secondary battery electrodes resist cutting damage and keep consistent corner quality.

Uniformly dispersed nano-phosphorus in a conductive carbon matrix boosts sodium-ion anode capacity while improving cycle stability.

Four sequential press rollers form and deposit active material evenly on both substrate sides, limiting jitter-driven thickness variation and powder loss.

Maintaining lithium-sulfur battery voltage in a set range suppresses gas generation and polysulfide dissolution, even at high temperature.

Coating or doping defect-type transition metal oxides with lithium titanate cuts electrolyte side reactions and volume expansion, improving cycle retention.

Thermal drying and calcination convert spent lithium-ion cathode feed into reusable powder recyclate while reducing new raw material demand.

Macro-porous silicon with a carbon coating absorbs lithiation volume change and limits unstable interphase formation for better cycling.

A circumferential foreign particle remover around the winding core captures debris during electrode winding to reduce short circuits and unstable voltage.

Potential-difference measurements across an electrode mixture layer reveal thickness-direction binder dispersion without cutting or damaging the electrode.

Forward/reverse current, rest periods, and edge guards keep roll anode edges lithium-free during alkaliation, reducing dendrites and capacity loss.

Reduced surface defects in lithium-stuffed garnet electrolytes help block dendrites and improve Li+ conductivity using SPS and reflow heat treatment.

A magnetic well slows moving electrode layers by electromagnetic induction, enabling damage-free stacking and precise alignment without disposable layers.

Monodisperse niobium-oxide nanoparticle anodes balance porosity and density to enable fast charging while reducing lithium plating risk.

A rotating tray and swing contact simplify electrode unit stacking, cutting assembly time, equipment complexity, and cost.

A low-residue polymer dispersant suppresses foaming in conductive coatings, improving ion resistance and low-temperature secondary battery performance.

A mixed aluminum hydrated oxide coating on positive electrode foil improves crack resistance and limits heat generation without raising battery resistance.

A rotating transfer mechanism keeps uncoated regions on electrode reels consistently oriented, improving automated handoff to post-processing.

Sequential pressing regions create directional electrolyte flow, helping battery cells discharge gas more effectively during formation.

A pilot pin forms a guiding recess before punching to prevent tab steps, improve layer alignment, and avoid separator damage.

Graphene-coated silicon and graphite in the negative electrode help raise battery capacity while limiting deterioration from volume-change damage.

Pre-rotating electrode reels keeps uncoated regions correctly oriented before discharge, improving transfer speed and downstream processing.

Controlled particle size and XAFS peak ratio in lithium nickel cathode powder cut resistance from crushed new surfaces while preserving reaction area.

A smooth release layer enables thinner continuous protective coatings on electrodes, lowering cell resistance while preserving rate capability.

A resin-rich surface and porous Si-rich core help battery particles absorb expansion, reducing cracks and preserving cycle stability.

A resin-rich surface and porous Si core moderate charging expansion, reducing cracks and preserving battery cycle life.

A wedge block presses the notching punch against the mounting groove to stop vibration-induced shaking and extend punch and holder life.

Dry-processed hybrid electrodes combine lithium metal, carbon particles, and porous carbon to raise first-cycle efficiency and energy density.

A side-wing sealing structure extends into tab space to resist cavity collapse and reduce seal break risk in battery cells.

A movable lead contact retracts when slots are empty, preventing plate damage and avoiding dummy-cell steps during battery charging and discharging.

A fluoride-conducting shell isolates reactive metal particles and buffers expansion, enabling longer cycling in fluoride-ion cells.

Interstitial metal doping in Si clathrate anodes cuts charge-discharge volume change while preserving conductivity and battery stability.

AI predicts strip-position deviations during battery electrode conveying to maintain cutting alignment, reduce jams, and improve production quality.

Controlled initial SOC and 50-80°C aging discharge trapped gas, improving electrode charging uniformity and usable battery capacity.

Flux-mixed ceramic electrolyte powder enables dense thin-film lithium conductors at lower temperatures, cutting energy use while preserving conductivity.