Electrode Carriers/Collectors TRIZ Cases

A hydrogen phosphate salt and conductive intermediate layer cut internal short-circuit heat while preserving normal battery charge-discharge behavior.

Bent or curved expanded-metal strands absorb rolling stress, preventing electrode breakage while preserving current collection and energy density.

A temperature-responsive conductive polymer coating raises tab resistance during overheating to block short-circuit current and limit thermal runaway.

An embedded support structure strengthens the insulating base of a composite current collector, reducing tape breakage and deformation mismatch.

Varying foil thickness in uncoated electrode regions eases current bottlenecks, cutting heat generation and extending prismatic cell life.

Electroplated copper foil with controlled strength and elongation resists curling, wrinkling, and tearing in thin secondary battery electrodes.

A C2/m BiNi active material formed on a nickel collector improves discharge flatness and capacity retention by limiting pulverization.

A bimodal LFP particle mix with faceted larger grains and fine particles improves collector adhesion, limits deintercalation, and lowers resistance.

A resistive current limiter and triggerable interrupter inside the cell slow internal discharge and break electrode coupling during separator failure.

Anode coating extension overlaps the cathode tab cover to add local insulation and prevent battery short circuits despite separator damage.

A continuous internal polymer network replaces metal compression parts to resist swelling-driven delamination while reducing battery weight.

A water-soluble binder coating on the current collector improves electrode adhesion while limiting pore blocking and supporting faster lithium-ion transport.

Tubular positive electrodes and carbon nanomaterial NAM cut resistance, speed charging, and extend lead-acid battery life.

A porous carbon interlayer in the positive electrode plate improves electrolyte penetration and ion migration, helping retain discharge capacity at higher coating weight.

Controlling copper foil color difference helps balance coating uniformity, adhesion, and short-circuit prevention in lithium secondary batteries.

A polymer-supported current collector with a thin conductive layer improves battery bonding, lowers resistance, and raises nail penetration safety.

A PVDF-HFP primer layer raises electrode interfacial resistance to cut nail-penetration short-circuit current and IR heating in lithium batteries.

Buffer interlayers maintain pH gradients between acid and alkaline electrolytes, enabling membraneless high-voltage zinc batteries without costly ion-exchange membranes.

Layered ID/IG control in a battery negative electrode stabilizes SEI formation while preserving lithium-ion insertion and cycling retention.

An R value of 2.0-3.5 helps thin copper foil resist curling, wrinkling, and tearing while preserving strength for secondary battery electrodes.

A metal silicide nanowire template supports thin silicon coatings below fracture thickness, improving Li-ion electrode stability and capacity.

Directly joined anatase TiO2 nanoparticles create a porous negative electrode that lowers resistance and improves discharge capacity in aqueous Li-ion batteries.

Insulating pillars on the negative electrode confine lithium deposition in gaps, limiting battery expansion while keeping deposition uniform.

A polymer interlayer blocks electron paths to the binder, suppressing PTFE decomposition and enabling thicker, more stable battery anodes.

A two-layer negative electrode balances areal capacity and lithiation speed to improve fast charging, cycle life, and dendrite safety.

A rounded current collector shoulder disperses silicon expansion stress, preventing fracture while preserving thin anodes and high energy density.

A porous hole-material layer with electroplated aluminum adds reaction sites, reducing aluminum battery capacity decay and aiding scale-up.

Through holes in current collector corners balance lithium across bent electrode layers, reducing plating risk and extending battery life.

Two metal fiber scales create a sintered 3D electrode network that resists shrinkage, carries high current, and survives roll-to-roll processing.

Selective conductive coating replaces full metal plating in lithium battery electrode plates, reducing material use, process difficulty, and cost.