Electrode Carriers/Collectors TRIZ Cases

A polyanionic and Na4Fe3(PO4)2P2O7 cathode blend improves Na+ diffusion, energy density, and cycle stability in sodium-ion batteries below 0°C.

By spacing the pressure relief notch from deformation-prone wall surfaces, the cell vents on time while reducing rupture and liquid leakage.

A protection layer over the weld-mark region isolates burrs, preserves battery cell headspace, and reduces terminal breakage risk.

A phase-change polymer current collector absorbs cell heat below runaway temperature, improving battery thermal safety without sacrificing energy density.

A three-phase Mn-M alloy enables dealloyed porous current collectors with controlled macro- and micropores while avoiding grain-boundary defects.

Intermittent low-frequency laser pulses cut metal foil with less deformation, tearing, dross, and spatter while maintaining processing speed.

A resistivity gradient in a polymer current collector guides lithium deposition away from the surface to suppress dendrites and extend cycle life.

Controlling cathode current collector dyne value and burr length improves coating stability, interface adhesion, and Li-ion cycle life.

An in situ residual sodium layer on the current collector lowers nucleation overpotential, improves deposition uniformity, and suppresses dendrites.

A sealed indigo cathode battery avoids air-port electrolyte loss while using magnesium, sodium, or calcium for lower environmental impact.

Balancing nickel content and binder ratio in the cathode film improves adhesion, raises resistance, and lowers short-circuit risk in Li-ion batteries.

A thicker wall around the pressure relief part helps the battery cell resist electrode expansion, reducing rupture and liquid leakage.

A thin phosphate-based coating isolates electrodes during short circuits while preserving energy density, cycling life, and high-rate discharge.

A Cu-Zn intermetallic induction layer guides uniform lithium deposition, suppressing dendrites while lowering resistance and overvoltage.

Dielectric particles in a lithium metal negative electrode suppress dendrite growth and irreversible reactions to improve capacity retention.

Thin and thick conductive regions on a polymer current collector interrupt short-circuit current, limiting overheating without metal-foil weight.

Heat exchange plates beside the cell shell cool tab groups and a tab-free middle layer to reduce temperature and impedance differences.

A high-strength current collector and conductive base coating help silicon anodes resist wrinkling, detachment, and cycling loss.

Controlling negative current collector elongation and tensile strength cuts impact debris that can trigger internal battery short circuits.

A sodium trifluoromethanesulfonate electrolyte uses tailored carbonate solvents to sustain ion transport, cycling, and coulombic efficiency down to −30°C.

Controls pouch-cell swelling by tuning exterior thickness ratio and electrolyte composition to preserve discharge capacity at high temperature and low pressure.

A tube-shaped electrode structure confines lithium metal to suppress dendrites, limit electrolyte reactions, and improve battery cycling safety.

A water-based hydrothermal route regenerates spent LiFePO4 cathode material with lower energy use, less pollution, and up to 92.5% recovery.

Inner and outer current collectors joined through a tab insertion hole prevent electrode bonding defects and improve battery power efficiency.

A reduced-area resin layer preserves short-circuit cutoff while leaving weldable metal regions for secure battery tab and lead connection.

A tubular or bolt connector in the current collector cuts resistance and battery temperature rise while preserving insulation and crimping.

Controlled conductive additive surface area and loading keep thick positive electrode layers uniform and conductive for better battery output.

Metal nanoparticles on a matching anode substrate create stable nucleation sites, lowering overpotential and suppressing dendrites in metal batteries.

A phase-separated porous film traps SEI components and redistributes lithium-ion flux to suppress dendrites and extend lithium metal battery cycling.

An Fe-Ni alloy current collector resists lithium metal and sulfide electrolyte corrosion while maintaining conductivity for lighter, higher-capacity batteries.

A porous polymer lattice holds lithium metal uniformly to limit dendrites and volume change while improving cycle life and energy density.

Carbon slurry between stacked graphite tabs creates a conductive bond that lowers contact resistance and strengthens battery terminal fastening.

Spiky metal particles on porous carbon guide lithium sulfide to specific sites, limiting passivation and sustaining lithium-sulfur battery discharge capacity.

A coated current collector and conductive active-material particles cut electrode resistance while supporting low-temperature output and energy density.

Different plating and stripping current densities shape uniform lithium deposits, improving reversibility and delaying dendrites in 3D anodes.

A bare metal current collector forms the sodium anode in situ, raising energy density while simplifying battery manufacturing and cost.

An edge-covered insulating layer helps control N/P ratio, prevent lithium precipitation, and simplify stacking across lithium battery models.

LSV-guided electrolyte selection forms a passivation film on the positive electrode to cut reaction heat and lower overcharge thermal runaway risk.

An oxalate electrolyte additive and low-chromium negative current collector suppress HF corrosion, preserve the oxide layer, and cut self-discharge.