Electrode Carriers/Collectors TRIZ Cases

A porous body with spaces larger than active material maintains electrical connection between current collector and electrode.

A block copolymer dispersant with resin-philic and filler-philic blocks enables uniform conductive filler dispersion in resin current collectors.

A porous carbon cathode disperses sulfur species within a conductive matrix to enhance electrochemical active sites.

Flat plate-shaped silicates modify slurry viscosity to prevent coating film contraction and cracking, ensuring uniform active material layers.

A nickel zinc battery cell design uses a porous separator and gel reservoir to manage electrolyte distribution.

A lithium-ion battery cell with a curved electrode portion and straight segment ratio of 5 to 10 suppresses electrolyte depletion at corners.

A lithium secondary battery forms metal on the current collector during charge using a protective layer.

A 1 to 100 angstrom hydrophobic deposition layer on a metal mesh foil prevents slurry flow during coating, improving electrode adhesion and battery lifetime.

Fluorine mixed gas dry etching removes oxide films rapidly to resolve low productivity constraints in electrode collector manufacturing.

Thin metallized current collectors oxidize and break conductive pathways during short circuits, preventing thermal runaway in lithium energy storage devices.

A lithium secondary battery design balances irreversible capacity ratios between nickel-type positive and graphite negative electrodes to maintain high reversible capacity.

A silicon anode core covered by a noncrystalline layer with carbon-filled voids prevents surface cracking and electrolyte decomposition during cycling.

Integrating the reference electrode onto the current collector prevents ion travel distance deformation and ensures uniform battery performance.

Hydrophilic and hydrophobic gas-blocking layers in a fuel cell system exhaust CO2 while preventing moisture diffusion into the fuel storage tank.

Reticulate gold coating on wave-like separators prevents peeling while maintaining conductivity and corrosion resistance.

Optimized Fe, Si, Cu, and Mn composition preserves 210 MPa strength after drying heat treatment, preventing center buckling.

Acrylic resin and niobium oxide sol improve adhesion between metal substrates and resin layers while maintaining corrosion resistance.

Organic islands on graphene layers accommodate lithium ions uniformly, preventing dendrite formation and short circuits in lithium ion batteries.

Mechanically flexible separator adjusts position and volume during charge cycles to maintain ion exchange pathways.

Segmented insulation on non-rectangular battery electrodes allows multi-sided tab placement, reducing cable length and preventing short circuits.

Segmented primer layers balance adhesion and electrical contact, resolving the contradiction between mechanical strength and conductivity in battery electrodes.

Slits in the battery tab create controlled buckling that prevents unintended deformation and ensures reliable electrical connections.

A three-layer cathode structure with sintering aids and pore formers reduces polarization resistance while preventing delamination in solid oxide fuel cells.

Gradient density in the negative electrode active material layer resolves the trade-off between energy density and high-rate output characteristics.

Black phosphorus reacts with lithium to form a conductive electrolyte, overcoming low power output and high impedance.

A resin base material with surface roughness Rz of 2 µm or more enhances adhesion to a metal thin film, enabling stable current cut-off activation.

A passivation layer stabilizes transition metal hexacyanoferrate cathodes by reducing surface defects and preventing electrolyte interactions.

Ti-containing composite oxide with surface elements modifies aqueous battery negative electrodes to enhance binding and conductivity.

A bipolar battery plate assembly uses a polymer frame to suppress parasitic current paths and prevent electrolyte leakage.

Organic solvent dispersion of AlPO4 creates uniform coatings that prevent separator shrinkage during high temperature cycling.

A carbon-based suspending agent with functional side chains stabilizes anode electrode slurries during high-speed manufacturing.

A composite binder system with a polyhydric alcohol plasticizer improves high-rate charging while maintaining adhesion to the current collector.

Humic acid-derived conductive foam impregnated with sulfur provides high surface area for efficient charge transfer.

Concurrent coating of active material slurry and insulating dispersion on negative electrode foils forms a composite layer structure.

Optimized Al-Cu cladding thickness prevents warping and reduces contact resistance in battery collectors.

Conductive carbon coatings on aluminum current collectors prevent corrosion from lithium imide salts, extending battery cycle life at high temperatures.

Dual-reference electrodes monitor potentials independently to prevent drift and lithium plating in silicon anodes.

An in situ current collector formed from a lithium-non-lithium metal solid solution maintains electrical contact and reduces porosity during cycling.

Lithium titanium oxide coatings on amorphous carbon anodes boost low-temperature power while preserving high-temperature capacity and cycle life.

Sealing metal precoating on the anode current collector prevents electrolyte leakage while maintaining structural integrity in thin laminar designs.

Segmenting the positive active material layer into distinct regions resolves the contradiction between nail penetration safety and electrical conductivity.

Integrating carbon nanotube layers into lithium ion battery electrodes creates conductive networks that reduce internal resistance and improve charge transfer.

A secondary battery electrolyte layer uses a copolymer of vinylidene fluoride, hexafluoropropylene, and a hetero-unsaturated compound to enhance ion conductivity.

Segmenting the lithium metal layer across a porous current collector resolves the contradiction between high energy capacity and battery safety risks.

A secondary battery electrode member uses a conducting layer with protruding portions and an active material layer featuring a thickness gradient.

Transition metal nanoparticles on current collectors enhance lithium secondary battery capacity while reducing interfacial resistance.

Optimized tensile strength and thickness ratios enable elastic deformation that reduces interface stress during volume expansion, improving cycle durability.

Composite binder with PTFE, elastomer, and CMC prevents particle migration and oxidation to maintain alkaline battery lifespan.

A conductive fiber layer on the substrate lowers internal resistance by enabling active material impregnation and absorbing mechanical stress.