Final Product Manufacture TRIZ Cases

Controlled two-step charging stabilizes an over-lithiated manganese oxide cathode and transfers lithium to offset negative-electrode loss.

External welding access connects the collector to the battery pole without central-hole welding, reducing debris and supporting faster production.

A phase change material at the jelly-roll winding center absorbs heat to reduce core-shell temperature differences and limit battery performance loss.

A nested pouch-in-can battery structure improves electrolyte injection efficiency while adding vented rigidity and safer current collection.

A recessed injection-port structure traps residual electrolyte away from the weld zone, improving button cell sealing and leak resistance.

A common pressure chamber and air-distributing vents equalize cell pressure while preventing short circuits and self-discharge.

Bimodal single-particle cathodes and a tuned Rp/Rn ratio cut irreversible capacity loss in silicon-anode lithium secondary batteries.

A spring-biased check valve at the battery cell injection hole allows electrolyte filling, then closes to prevent leakage and simplify production.

Bent tabs, insulation, and reduced weld output at notches improve current collection while protecting the cap assembly in compact batteries.

Heat-bonded tape secures the electrode assembly to the case, limiting impact-driven movement and high-temperature shrinkage defects.

Hot-melted separator edges enclose the electrode plate before stacking, preventing turnover, short circuits, and separator heat damage.

Alternating epitaxial layers introduce compressive stress to offset tensile mismatch, reducing cracking, warpage, and dislocation density.

A shaped electrode tab base suppresses interface cracks during active-layer compression while preserving battery capacity and tab weldability.

A main and sub recess structure contains the fold area and electrode tab to limit pouch protrusion and avoid module interference.

A solid electrolyte wrapped around the cathode edge and staged pressing help prevent short circuits and preserve electrode area in solid-state batteries.

Overlapping current collectors and insulating fixing members let a flexible battery bend repeatedly while reducing short-circuit risk and preserving capacity.

A lithium coating layer with a Li2O cover layer replenishes lithium ions, balancing protection and diffusion to preserve battery capacity and output.

A folded or taped double-layer separator end boosts rigidity to resist thermal shrinkage and impact, helping prevent battery short circuits.

An elastic sealing member in the battery cap vent enables controlled gas release and electrolyte injection while preventing leakage and insulation loss.

An interference prevention groove or notch in the battery case avoids pressing the electrode corner, preserving shape and charge-discharge capacity.

A single low-temperature printed electrode replaces plating and sputtering to improve solar battery contact properties and simplify manufacturing.

Time-varying magnetic fields drive magnetorheological fluid to vibrate secondary batteries, speeding electrolyte wetting without sacrificing thermal stability.

An elastic press plate flattens raised pouch-cell areas under controlled pressure, improving thickness uniformity without deforming lead tabs.

An offset wound electrode layout spreads lithium deposition and relieves expansion stress to reduce collector cracks during repeated cycling.

A partitioned frame and opening route overlapping display FPCBs away from battery fixing points, avoiding interference and added thickness.

Segmented heavily doped regions and selective electrode contact improve doping uniformity, lower recombination losses, and reduce contact resistance.

A thin external fixation frame stabilizes stacked battery electrodes and separators to prevent deformation, rolling, and short circuits.

A copolymer and rosin ester adhesive keeps electrodes and separators aligned during lamination while reducing deformation and adhesion defects.

Stacked pouch cells in separate frames use controlled venting and rigid internal support to handle swelling without tool interference.

A single organic redox compound serves both bipolar battery electrodes, cutting formulation complexity, cost, and cell balancing effort.

An adhesive coating on the electrode tab and mixture layer bonds the separator in place, reducing bending and short-circuit risk at high temperatures.

Dual metal connectors join exposed metallized film tabs without overlap, speeding battery assembly and reducing disconnection defects.

Grooved positive electrodes and perforated insulation layers redistribute lithium ions in center-tab cells to curb plating and short circuits.

Dual pressing and heating improve solid electrolyte contact in anode-free all-solid-state batteries, suppressing lithium dendrites and ionic resistance.

Separated ether and ester electrolytes with a solid electrolyte cut interface impedance while protecting lithium metal cycle life and high-voltage stability.

A tuned CMC/SBR binder ratio and high-tap-density anode mix reduce cutting breakage and improve low-temperature regeneration.

Corner trimming removes gas-trapping dead space in pouch cells, enabling denser battery pack assembly with more stable cell fixation.

Compression-loaded friction and heat insulating sheets cut battery pack assembly time while improving cell alignment, stiffness, and impact resistance.

An offset-hole electrolyte reservoir replenishes lost electrolyte in lithium secondary batteries while blocking air and moisture ingress.

A dual-layer lead film vents battery gases through a more permeable inner layer while preserving pouch seal integrity and cell life.

Spray-coated polymer droplets are washed and irradiated to form a uniform porous battery separator that improves ion transport and resists shorts.

A fluorinated anode polymer and nitrile-based cathode polymer improve ion transport while capturing hydrogen ions that destabilize battery cycling.

Fluorinated and nitrile-based polymers work together to reduce polarization, capture hydrogen ions, and improve battery cycle performance.

A fold-over insulating sheet with a joined portion shields the battery tab and current collector from sealing load, improving reliability.

Bonded metal tabs on a resin current collector improve heat dissipation, lower resistance, and maintain power extraction in lithium secondary batteries.

Localized adhesive at the separator-electrode interface near the tab prevents delamination, short circuits, and battery swelling.

Double material layers on single-sided outer electrode plates lower current density and electrolyte consumption, reducing black flecks and lithium plating.

Opposed bus bar extensions around a coupling opening improve resistance welding while reducing current loss in cylindrical battery modules.

Laser welding aligned with current collector processing direction cuts spatter and stabilizes tab-to-collector joining in secondary batteries.

A heterogeneous binder fills activation cracks in Si anodes to maintain electrical contact and extend lithium secondary battery life.

A thin inorganic-particle coating with a cross-linkable polyacrylamide binder improves separator heat resistance, low resistance, and cell life.

A surface-modified layer on porous separator surfaces and hole interiors preserves conductivity while protecting exposed areas from corrosion.

Inorganic nonwoven glass fiber separators resist shrinkage up to 650°C while preserving porosity for ion transport and short prevention.

A dual-layer coated separator uses cross-linked binder chemistry and inorganic particles to resist heat shrinkage while improving electrode adhesion.