Electrode Carriers/Collectors TRIZ Cases

A sulfur-iron active material layer tuned by sulfur content, iron content, and coating density boosts Li-ion capacity, retention, and energy density.

Balancing sulfur content, iron content, and particle size helps this lithium-ion electrode raise capacity while preserving capacity retention.

Gradient groove depths from edge to center improve electrolyte infiltration while preserving active material volume and reducing capacity loss.

Protrusions and depressions on the current collector lock a free-standing dry film in place without adhesive, preserving active material and cutting cost.

A protective layer and controlled foil properties help thin battery copper foil resist curling, wrinkling, tearing, and surface degradation.

Controlled R-value and low loss factor help thin battery copper foil resist curling, wrinkling, and tearing during cell manufacturing.

A porous carbon coating with a point contact binder improves electrode adhesion, traps lithium polysulfides, and stabilizes lithium-sulfur cycling.

Selective grain deformation and grain growth improve copper foil elongation and conductivity for stable secondary battery current collectors.

Foam cushion columns in the current collector absorb electrode expansion, maintain layer contact, and extend solid-state battery cycle life.

Layered Si-graphite negative electrodes use different particle hardness to curb swelling and resistance growth after charge-discharge cycles.

A nickel-treated copper foil controls coating amount and surface texture to resist sulfur corrosion and bending cracks in solid-state batteries.

Separate terminals for stacked electrode assemblies cut welding resistance and improve heat dissipation in high-capacity secondary batteries.

Controlled silver, titanium, and sulfur in copper foil improve crack and wrinkle resistance while maintaining conductivity in Li-ion current collectors.

Controlled Ag, Ti, and S in copper foil improve relaxation and thermal-stress resistance, preventing wrinkles and cracks in Li-ion collectors.

A multilayer metal-particle current collector improves heat conduction and flame resistance while keeping battery collectors lighter and ductile.

Distributed electrode tab sizing and spacing raise battery cell energy density while keeping charging hot spots below safe limits.

A carbon-hydrogel coating helps the battery substrate retain electrolyte and improve ion mobility, supporting higher cell performance and lifetime stability.

A three-layer conductive film balances thin intermediate-layer uniformity, low peeling strength, and coatability for battery current collectors.

An insulation coating on the negative sheet's non-tab area blocks contact after swelling, reducing separator puncture and short-circuit risk.

Concave-convex laser-cut electrode edges prevent coating slide defects, stabilize loading, and preserve N/P balance for faster cycling.

A silver-salt displacement coating forms a uniform lithium anode barrier that suppresses dendrites while preserving ion permeation and cycling safety.

Batch wafer processing and 3D-printed cathode lattices cut battery manufacturing cost while improving yield and scalable production.

A lithiophilic gradient in a 3D porous current collector guides lithium into pores, lowering nucleation overpotential and suppressing dendrites.

A fiber base with bonding and metal layers cuts current collector weight while preventing peeling and deformation in lithium-ion batteries.

A membrane-free aluminum-ion cell uses coiled aluminum wire, bundled graphite rods, and a low-cost solid electrolyte to raise reaction area and cut complexity.

A heat-resistant adhesive layer in a composite current collector preserves seal welding strength and prevents electrode damage.

Laser-ablated concave-convex electrode edges prevent slurry sliding, preserve loading uniformity, and support faster charging and longer battery life.

A fiber-rigid particle framework accommodates anode expansion and guides lithium deposition to curb dendrites, improving cycling and safety.

A hardened conductive-coated current collector balances thinness and processability while limiting sodium dendrite growth and preserving capacity.

A sodium-containing positive electrode plate uses controlled thickness ratio and porosity to absorb stress shifts and limit dendrite-prone sodium deposition.

Controlled TC(220) and TC(311) crystal orientation helps copper foil resist heat and cycling stress, preserving tensile strength in Li-ion batteries.

A mesh conductive anode captures micronized silicon, tin, or aluminum active material and uses separate electrolytes to preserve discharge capacity.

A fluorine-containing edge coating and insulating members prevent electrode contact, reducing separator damage and short-circuit risk in secondary batteries.

Local metal thickening at the tab connection region boosts welding strength, lowers contact impedance, and improves Li-ion collector joining.

Separate positive and negative electrolytes suppress electrode-side decomposition, helping high-voltage secondary batteries retain performance.

An SO2-based electrolyte with a layered oxide cathode resists oxidative decomposition at high voltage while improving service life and self-discharge.

Controlled styrenic elastomer chemistry improves adhesion between the electrode layer and current collector while keeping peel strength uniform.

ALD TiO2 on sulfur cathodes and MLD LiGL on lithium anodes suppress polysulfide shuttle, side reactions, and dendrite growth.

A thin oxide surface layer on the current collector blocks electrode-electrolyte contact to cut gas generation and preserve battery cycle stability.

Insulating adhesive tape covers the electrode plate edge and tab root to stop burrs piercing the separator and causing battery cell shorts.

A metal-ion-philic layer redirects lithium dendrite deposition behind the anode active material to prevent separator piercing and short circuits.

Porous non-metallic layers vent reaction gases and balance sulfuric acid concentration to curb lead sulfate crystal growth and short circuits.

A LixM alloy pre-lithiation layer improves lithium affinity, promotes uniform deposition, and raises first-cycle Coulombic efficiency.

A carbon functional layer with sodium-alloying additives guides uniform sodium deposition, suppresses dendrites, and extends cycle life.

A passivation layer shields the conductive layer from electrolyte ingress, improving composite current collector durability and energy density.

Thin biaxially oriented polymer films with metal layers improve current collector adhesion, cut battery mass, and help limit short-circuit risk.

Carbon-coated LiFePO4 aggregated particles control lattice change to improve low-temperature power and cycle life in lithium-ion batteries.

Controlled anode roughness and an interlayer binder improve current collector adhesion, helping lithium batteries charge faster and last longer.

A dual-salt carbonate electrolyte with tuned N/P ratio and nominal voltage helps lithium-ion batteries retain capacity over thousands of cycles.

Balancing LiPF6, lithium imide salt, voltage, and electrode capacity ratio helps nonaqueous lithium-ion cells retain capacity over thousands of cycles.