Electrode Carriers/Collectors TRIZ Cases

Controlled current collector roughness and a PCR value of 5.0 or less improve active layer adhesion, cycle life, and high-rate battery performance.

A two-layer cathode pairs lithium iron phosphate with lithium cobalt oxide to balance bending safety and high battery capacity.

Buried tab sections in a composite battery substrate improve adhesion and lower contact resistance for more stable current transfer.

Perimeter seal members block vapor ingress between stacked cells, reducing galvanic corrosion while preserving energy density and compact layout.

Buried and exposed tab portions in a composite battery substrate improve adhesion while maintaining low contact resistance in lithium batteries.

Controlling Cu collector PCR to 5.0 or less strengthens active-layer adhesion, lowers interface resistance, and improves cycle life and rate capability.

A conductive primer between a composite current collector and active layer improves bonding and conductivity while preserving Li-Ion electrode machinability.

A two-layer graphite electrode balances binder distribution and particle surface area to improve adhesion, fast charging, and battery performance.

Elastic damper portions between core supports and wound copper foil absorb transport vibration and shaking to reduce foil defects.

Controlled carbon black size and distribution in electrode slurry improve discharge rate, cycle life, and adhesion to the current collector.

A cross-linker-rich outer anode layer and silicon-carbon layering improve adhesion, flexibility, and cycle life under volume expansion.

A recessed extended electrode plate increases active material area to raise battery capacity while protecting separator integrity and avoiding short circuits.

A replaceable cup working electrode speeds lead-acid material screening while preserving contact, sealing, and detailed electrochemical testing.

A dual-layer cathode sheet pairs two active materials to improve low-temperature rate capability, lithium-ion conduction, fast charging, and cycle life.

Amorphous carbon coating and 0.5-3.5 mass% conductive carbon cut impedance and preserve capacity during high-rate cycling at high temperatures.

A lithium nitrate and graphene-based shell inhibits cathode side reactions, improving cycle life, thermal stability, and internal resistance.

A two-layer anode limits silicon expansion with selective cross-linking, improving adhesion, flexibility, and battery cycle life.

Controlled Cu content and electrode layer density help thin positive electrodes resist cracks and pinholes while preserving capacity and cycle life.

Varying hole density across the active material layer speeds electrolyte impregnation, improves wetting uniformity, and helps prevent lithium precipitation.

A porous composite separator with non-adhesive polymer layers press-fits to electrodes to limit wrinkling, lower resistance, and improve cell stability.

A layered iron-based current collector uses a protective metal coating to block electrolyte corrosion, extending battery life and lowering short-circuit risk.

A two-layer silicon-graphite anode balances capacity and adhesion to limit interface resistance, detachment, and cycle-life loss.

A thermoplastic resin secures the tab side surface to the current collector to limit stress cracking and extend lithium battery life.

Local heat treatment raises edge elongation in thin battery metal foil, reducing edge breakage while preserving high cell capacity.

A lithium iron phosphate and endothermic safety layer cuts short-circuit current and absorbs heat to suppress battery ignition.

A lithium iron phosphate and endothermic safety layer cuts current, absorbs heat, and suppresses ignition in rechargeable lithium batteries.

Controlled carbon-silicon composite and SiOx ratios limit expansion-driven anode cracks while preserving battery capacity and rapid charging.

High-temperature oxidation turns aluminum current collectors into alumina powder, avoiding grinding hazards and improving cathode material recovery.

A thermoplastic insulating layer flows over cut end faces and burrs to prevent lapping and short circuits in battery cells.

A thin insulating layer and melt-flow polymer coating cover cut burrs and exposed collector edges to reduce battery cell short circuits.

Ag additives in FSA-rich electrolyte form a protective coating that stabilizes SEI and lowers lithium deposition overvoltage.

A metallurgically bonded foam-metal and sheet-metal collector improves tab strength and conductivity while reducing tearing during battery assembly.

Magnets hold carbon nanotubes near the current collector during drying, preserving conductive paths and lowering electrode resistivity.

Protective-film additives in a LiBOB electrolyte improve high-temperature and oxidative stability while suppressing gas generation.

Barrier and conductive layers let a polymer-based anode collector replace copper while blocking Li-Al alloying and galvanic corrosion.

Nitrogen-containing polar groups raise polyester film surface tension for durable metal adhesion in composite current collectors.

Fluorinated organosilicon solvents and an N/F coating stabilize lithium deposition, limit dendrites, and extend lithium-metal battery cycle life.

Controlled alkali-containing inorganic particles improve slurry dispersibility and viscosity while forming intermediate layers with lower resistance and heat generation.

A mixed monocrystalline-polycrystalline cathode coating balances areal density, conductive agent content, and DCR in Li-ion batteries.

Controlled micro-roughness and a protective layer help battery copper foil keep uniform coating, flexibility, and puncture strength at high temperature.

A porous substrate and plate-like carbon coating improve lithium affinity, stabilize plating, and cut weight-related energy density loss.

A strain-responsive conductive layer raises sheet resistance during nail penetration to curb shorts, heat generation, and burr-driven battery damage.

Alternating carbon and metal layers cut evaporation cycles, lower porosity and sheet resistance, and protect polymer film strength.

A fiber-reinforced polymer support with metal layers boosts battery substrate strength while limiting penetration-driven short circuits.

Direct catalytic carbon growth bonds film and structural carbon to a substrate without binders, improving capacity, conductivity, and thermal stability.

Insulating layers on the transition area and cut end face cover burrs, stay bonded during tab cutting, and reduce battery short-circuit risk.

A bipolar composite current collector places cathode and anode layers on one substrate to cut collector volume and raise battery energy density.

Layered Si-graphite anodes with different particle hardness suppress electrode expansion and resistance growth after charge-discharge cycles.