Cell Component Details TRIZ Cases

A multilayer gas discharge pipe vents pouch-cell gas while blocking electrolyte staining at the seal, improving sealing quality and stability.

Corner check valves vent battery-module gases uniformly while delaying flame discharge to limit fire spread between adjacent modules.

A wrapped cover separator fixes the electrode assembly, blocks gas penetration, and avoids tape-related electrolyte depletion in pouch cells.

Varying score-line thickness directs battery valve opening and keeps the sheet attached, reducing damage to nearby components.

Open-ended sub-racks and connection blocks cut rack weight while improving heat dissipation, rigidity, and seismic performance.

A two-part vent plate uses a rupture film to release internal battery gas while sealing the electrolyte injection port and limiting electrode deformation.

A graded solution-type binder near the porous substrate improves separator adhesion while preserving inorganic particle dispersibility and short-circuit resistance.

An ePTFE membrane shields battery vent flame arresters and pressure valves from electrolyte contamination while still allowing gas release.

High-porosity alumina ceramic layers cut separator resistance while limiting thermal shrinkage and helping battery cells retain capacity over cycling.

A ring support on a columnar battery pack enables tilt-and-roll transport of heavy loads while shielding exposed terminals from moisture and damage.

Electrospun fluorine- and nitrile-based nanofiber coatings replace separators to stop heat shrinkage while preserving battery shutdown behavior.

Separated welding zones for electrode tabs and lead tabs prevent overlap-induced cracks while maintaining secure tab joining in rechargeable batteries.

A stepped, sloped electrode lead relieves tab stress from silicon-anode swelling, helping maintain connection stability and lower resistance.

A multi-path busbar strap balances pathway resistance across cells to reduce temperature differences and improve battery pack efficiency.

A low-melting vent resin in the pouch sealing extension redirects battery gases away from the electrode lead to limit heat damage.

Sheet-shaped and zeolite particles form a heat-stable separator that blocks shorts, limits thermal contraction, and extends battery life.

Both battery terminals are brought to one end surface with an insulating part, cutting FPC size, easing assembly, and preventing short circuits.

Structured blister cavities and standoff posts keep coin cell aversive coatings from rubbing off during transport and preserve child-deterrent function.

A folding line set inside the busbar body preserves cross-sectional area during bending, reducing heat and stabilizing current flow in battery modules.

Variable compression plate spacing and elastic bracing keep battery cell pressure consistent through expansion and contraction.

Recessed electrode terminals reduce contact area so impact can break the conductive path and stop abnormality transmission between adjacent cells.

A post assembly with wrapped connecting block removes receding structures, simplifying busbar installation and saving battery pack space.

A shape memory alloy rupture sheet stays intact under vibration and shock, then opens venting holes only during battery gas release.

A meltable fastening member opens buffer space during thermal events, dispersing heat and venting gas to limit flame propagation.

A sandwich battery housing replaces potting compounds with a bonded component holder to improve stiffness, insulation, and recyclability.

Separated bus bars stay electrically open during assembly and transport, then a bridge bus bar completes the circuit for safer module handling.

High-density ceramic particles form a rigid separator framework that resists thermal shrinkage at 220-300°C and improves battery safety.

Exposure windows let adhesive fix each cylindrical cell to the holder, preventing rotation, faulty contact, and vibration-related heating.

A movable busbar assembly and cushion member absorb cell swelling to prevent lead and tab damage, short circuits, and battery performance loss.

Recessed grooves and drain holes in a battery insulation piece capture and expel leaked electrolyte to reduce busbar short-circuit risk.

Voltage-triggered debondable adhesive lets specific electronic components be removed from an enclosure without replacing the whole assembly.

By tuning halogen and metal exposure on the coating surface, this separator improves dry and wet adhesion without organic solvents and retains heat resistance.

Cold-pressed long-fiber thermoplastic composition balances flame retardancy, moldability, and reduced resin dripping in automotive horizontal members.

A bimetal CID lifts the upper plate as battery temperature rises, rapidly cutting current and limiting pressure buildup in cylindrical cells.

Interlocking flanges, mating grooves, and a welding ring strengthen copper-aluminum battery pole joints while lowering interface resistance.

A shape memory cutoff in the battery top cap disconnects current at high temperature, limiting heat buildup and rupture risk.

A reinforced weak-zone vent structure helps battery cells avoid fatigue-driven premature blasting while still releasing pressure during thermal runaway.

Integrated rupture and breathable venting regulates sealed-container pressure, relieves rapid spikes, and blocks dust and moisture.

A dual-Tg polar and acrylic binder coating boosts electrode adhesion, cuts heat shrinkage, and lowers interfacial resistance in batteries.

A grooved lead-to-bundle joint with deeper concave portions improves ultrasonic welding stability while suppressing current collector warping.

Recessed adhesive inside divided battery holder tubes fixes secondary cells uniformly and prevents surface contamination under vibration.

A shortened upper flange and laser-cut case layout raise energy density while preserving terminal welding quality and protection.

A movable partition wall expands venting space during thermal events to suppress heat propagation and delay thermal energy buildup.

A holder portion restrains bent lead plates against elastic recovery, keeping stable board contact for reliable laser welding without extra fixtures.

Inclined catalytic devices at the same height in a vent plug recombine gas while keeping electrolyte from leaking as liquid level rises.

Asymmetric folded insulating film regions let a battery cell housing with a flange achieve full coverage, stronger insulation, and easier assembly.

Outer-surface bonding lets a pouch battery expand with gas buildup without pulling on electrode lead seals, helping prevent leakage.

A stacked inner-case duct vents battery blowout gas through staged pressure and temperature reduction to prevent ignition and expel debris safely.

A crosslinked coating and adhesive layer help lithium battery separators resist heat and electrolyte shrinkage while maintaining strong adhesion.

Discrete snap-fit insulation pieces isolate the electrode assembly and tab while reducing assembly time and battery cell outline growth.

Switch-controlled voltage checks reveal MOV deterioration in battery surge protectors before failure leaves equipment exposed to surges.

A stepped vent structure with wall, body, and weak sections reduces tensile damage from cell housing deformation while preserving pressure relief.

A broached expansion fastener seals the battery cell access port quickly, enabling automated production without electrolyte contamination.

Stepped and sub-stepped case surfaces support the cap plate against pressure, loads, and vibration to prevent battery breakage.

Rounded die and thickness edge radii improve deep-drawn pouch case moldability, cutting empty space while reducing cracks and pin-holes.

A polymer-metal composite film between battery cells blocks heat transfer while conducting heat away to limit heat buildup in the module.

An insulating end plate integrates busbars with thermal contact to the cooling plate, easing space limits and reducing cell-tab hot spots.

Controlled glass transition in a battery sleeve film releases residual stress during cycling to limit post shrinkage and shell exposure.

An elastic switching part opens only under internal pressure to vent gas and flame through a controlled passage, helping prevent battery pack explosion.

A longer guide protrusion aligns the case before locking, easing multi-stage battery module assembly and fixation.

A U-shaped connector links side-by-side battery modules with facing opposite electrodes, enabling safe series coupling while reducing short-circuit risk.

A weak-section vent structure balances controlled pressure release with lower fatigue cracking and premature actuation in battery cells.

A stepped electrode tab assembly cuts bundle thickness at the lead-tab weld, improving case insertion, sealing, and short-circuit resistance.

A guard structure fixes and cushions electrode tabs to absorb lengthwise impact and prevent current collector damage in secondary batteries.

A sacrificial bus bar joint breaks at a defined load to stop collision force transfer, isolate cells, and lower thermal runaway risk.

An intercepting surface in the exhaust channel captures thermal runaway particles before they block the casing valve or spread damage inside the pack.

A lateral plate and connection member stabilize battery pack side parts under cell restraint forces while blocking foreign matter ingress.

Adjacent opposite-polarity terminals and parallel bus bars cut crossings, lowering bus bar heat rise and improving shock stability.

Controlled module venting paths and opening members discharge hot gas outward to limit thermal transfer and stop runaway spread.