Cell Component Details TRIZ Cases

Cross-member-mounted HV terminals link adjacent battery cell stacks with fastened or welded joints to improve connection reliability and pack rigidity.

Balanced polyol and isocyanate reactivity enables battery potting foam to fill tight gaps, cure quickly, and meet V0 flammability with less flame retardant.

A cover-plate drainage structure captures condensed water from bus bars and nuts, draining it out to prevent leakage and short circuit.

A bent flexible busbar and rigid contact accommodate battery stack misalignment and tolerances while maintaining secure power transfer.

A thermally deformable rupture member opens a sealed electrolyte reservoir to replenish depleted battery electrolyte without disassembly.

A fuse between the battery housing and first terminal breaks the conductive path at overcurrent, limiting damage and corrosion risk.

Higher oxygen concentration on VDF copolymer particle surfaces improves electrode-separator adhesion consistency and battery life.

A rigid porous headspace above the electrode stack preserves free volume for gas recombination while relieving pressure in pouch cells.

A thin inversion plate and collector recess cut current under rising pressure while reducing dead space, heat, and seal degradation.

A belt-like flexible wiring board wraps cylindrical cells to simplify bus bar and voltage line routing, cut interference, and lower pack profile.

A folded plate battery housing avoids corner breakage and flange space loss, improving processing yield, airtightness, and energy density.

Controlled sheath melt flow enables extrusion of long glass fiber thermoplastics while limiting filament breakage and preserving article strength.

Pivoting busbar flaps and curved cell terminals create a secure joint that improves electrical transfer and thermal accommodation in traction batteries.

Real-time camera monitoring of the weld pool adjusts heat and pressure to cut battery electrode weld resistance and improve joint strength.

Upper and lower tab connection elements simplify pouch-cell stack assembly, prevent short circuits, and reduce power loss and thermal shutdowns.

A burst vent cover doubles as a low-voltage interlock trigger to detect battery thermal runaway without added cell-level sensors.

A protective member around electrode assembly vertices prevents exterior film damage, electrolyte leakage, and ignition in secondary batteries.

A bent busbar extends battery pole connections to outer surfaces, enabling dense packing with easier and more stable series or parallel links.

Inclined wedge jaws turn clamping force into full-surface tab contact, lowering resistance while keeping battery cell connections stable under vibration.

Movable second sub-battery modules and elastic frame members absorb swelling pressure to limit frame warpage and protect cell life.

Spiral tornado-shaped weld spots increase lead-to-bus-bar weld area, tensile strength, and vibration resistance in battery modules.

Long-fiber nonwoven in a polymer matrix gives EV battery shells low mass, high stiffness, and stronger puncture protection.

A two-layer laminated busbar combines forward and return paths to cut prismatic battery module assembly time, size, weight, and cost.

A thinned insulating region overlapping the explosion-proof valve expands exhaust area for faster battery cell pressure relief.

A single-side plate layout connects both battery poles through openings and insulation layers, enabling compact assembly and simpler manufacturing.

Male and female port poles built into each battery compartment simplify pack assembly, cut disassembly time, and avoid external connection bars.

Mutually dispersed ceramic and polymer coatings improve separator heat resistance, wettability, and strength without sacrificing lithium-ion transport.

Nested battery cells overlap vertically and horizontally to shorten pack length while maintaining power delivery, runtime, and tool clearance.

A PVDF-PE interpenetrating separator structure improves high-temperature dimensional stability, ion transport, and short-circuit protection.

A strike-plus-main nickel plating structure lowers stainless steel contact resistance while preserving adhesion, corrosion resistance, and battery life.

A spaced fixation plate strengthens battery cell-to-case bonding, limits vibration, and extends battery service life.

A polyamide-based laminate balances piercing resistance with formability by controlling shrinkage, modulus, and strength in power storage casing.

A tapered current collector section avoids electrode contact during crush events, reducing short-circuit risk and improving cell safety.

A thermally actuated valve equalizes traction battery pack pressure in normal use and blocks vent byproduct escape during thermal events.

An interference-fit protrusion and mounting hole lock the insulating piece to the battery cover plate, preventing loosening during long-term use.

A surround-cell unit structure uses matched energy density and impedance to suppress thermal spread while preserving battery pack collision safety.

A tapered current path lets battery current collectors reach angled or distant terminals with lower weight, controlled resistance, and less localized heating.

Energy sources placed around the motor module form a sound barrier that lowers cab noise without adding separate acoustic structures.

Venting gas triggers a multi-metal safety bus bar to break the battery pack power path and prevent short circuits during thermal runaway.

A protruding end-plate limiter and fixing member hold the battery module band in place despite cell expansion and shrinkage.

Opposed upper and lower lug connectors make planar pouch cells easier to connect, cut short-circuit risk, and reduce battery pack power loss.

RGB-based camera tuning aligns the weld target region before laser firing, reducing defects and improving battery module yield.

Textured enclosure surfaces spread hot battery vent gases and debris, reducing thermal concentration and enclosure damage during pack venting.

DOPO-based electrolyte additives form protective electrode films that curb cathode oxidation, gas generation, and capacity loss in high-voltage Li-ion cells.

Controlling solvent content and water ratio helps polyimide precursor films stay self-supporting, resist breakage, and maintain film quality.

Heat-stable salt and lithium-salt inhibitors curb tab-driven electrolyte decomposition during fast charging, extending cycle life and power retention.

Molded bus bar frames replace separate cartridges, while clamps maintain cell pressure to cut module size and prevent swelling.

A localized non-adhesive or coating-free lead section vents battery gas while limiting corrosion, leakage, and life loss.

A rotatable clamp with elastic arms secures the battery during use, then lifts and releases it for tool-free removal.

A frame-shaped adhesive layer cushions pouch cells against impact while accommodating thermal expansion inside the battery case.