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.

A tuned aluminium alloy strip enables recycled battery cell housings with strong weldability, conductivity, and thinner-wall potential.

A U-shaped stacking aid and row positioning inserts let AGM batteries support each other against bulging while simplifying assembly and cooling.

Segmented current collectors, sub-plates, and welded tab joints improve battery power efficiency and connection stability with manageable assembly complexity.

Sequential rollforming creates stepped frame walls before laser welding, cutting process complexity, deformation, and battery pack frame cost.

A high-melting busbar spacer keeps adjacent busbars separated when the support frame melts, preventing battery module short circuits.

Horn protrusions sized at least to the first-member thickness localize ultrasonic energy, preventing surface softening and weld-piece bending.

Housing recess holes and an integrated fixing structure simplify cylindrical cell assembly, cut parts, and improve battery pack space use.

Dip coating replaces ceramic tape on complex bus bars, improving insulation and heat resistance while avoiding gaps, uneven winding, and peeling.

A dip-coated insulating film with controlled thickness variation keeps battery bus bars heat-resistant, insulated, and lower in coating cost.

Spring-element cover engagement enables battery pressure equalization and emergency venting without complex bursting membranes or jamming.

A branch-mounted pattern fuse and resin-filled pad connection confine fuse damage in battery busbar modules and lower fire and short-circuit risk.

A grooved insulation piece collects and drains leaked electrolyte away from busbars, lowering short-circuit risk in tilted or inverted batteries.

Corona-treated base film and ceramic coating narrow contact angle mismatch to improve separator adhesion, liquid retention, and ionic conductivity.

An offset-tip ultrasonic horn enables precise tab-to-terminal welding in thin secondary batteries, reducing damage and dead space.

A one-piece stamped busbar-terminal layout cuts packaging space, contact resistance, and localized heating in battery packs.

Column-mounted lifting plates shift load away from beam-column joints, preventing fracture, tilt, and lifting-hole deformation.

A flexible folding connector links battery cells or modules while allowing compact transport and damage-free disassembly without losing conductivity.

A porous separator uses a lower-melting filler phase to close pores during overheating, stop electrochemical reactions, and improve battery reliability.

A poly(vinylamide) crosslinking network lets thin separator coatings resist heat and thermal shrinkage, lowering short-circuit risk in lithium batteries.

A nickel-plated copper tab with a sputtered chromium-rich layer improves welding strength and corrosion resistance while reducing oxidation.

An inclined reverse inflow prevention member redirects hot discharge gas and blocks flame backflow to suppress thermal runaway between battery modules.

Spaced annular battery openings joined into a grid tray increase load strength for heavier cells while reducing material use.

A layered plug with UV adhesive seals battery injection apertures against leakage and moisture, then releases at high temperature for effluent venting.

A straight-line partition and connection layout limits spring-back gaps, improves end plate fit, and blocks laser exposure inside the module.

Holder members and flexible busbars disperse swelling load and absorb impact to protect cell leads in pouch-cell battery modules.

Using a reaction control agent lowers aramid slurry viscosity, enabling thin porous separator coatings with better thermal stability and simpler production.

Multiple lid safety valves with staggered opening pressures keep prismatic battery gas release working even when electrode fragments block one vent.

Surface-modified CaCO3 improves separator coating dispersibility and wettability while delaying thermal transfer during battery thermal runaway.

A bracket with abutting portions and gas passage gaps speeds battery cell venting during thermal runaway, reducing explosion risk and cell-to-cell impact.

A groove-sized cover plate balances pressure-relief speed, time, and gas output to prevent premature rupture and excessive overflow.

A protruding terminal post in the cap assembly strengthens current-collector bonding, cuts welding defects, and preserves battery energy density.

A zigzag cell layout and matching bus bar connect misaligned battery cells in parallel while reducing dead space and improving packing density.

Aligned mounting flanges let two battery modules share one fastener, reducing installation time while preserving secure mechanical coupling.

Notched raised edges on a battery cell cover plate clamp the upper plastic part, vent molding gas, and prevent gaps and bubbles.

A heat-sensitive coating on linear and long-branched polyolefin lowers separator pore-closing temperature and speeds shutdown to curb thermal runaway.

Variable fixing-member contact lengths spread stress in a fuel cell stack, reducing bond cracks and improving support-body durability.

A self-centering plug-socket link joins battery cell units without separate housing openings, cutting assembly effort and improving rigidity.

A water-based UV-crosslinked separator coating improves binder adhesion and breakage temperature for safer lithium-ion batteries.

Ionic pendant groups with metal cations help polyetherimide balance high thermal stability, tensile strength, and electrical insulation.

A flexible rod links battery assemblies so the module can bend to match curved bicycle frames while maintaining secure installation.

A thermoplastic laminated enclosure combines reinforcing, thermal, and shielding layers to cut battery pack weight while resisting heat and EMI.

A split-thickness output busbar keeps the cell-weld side thin and the module-connection side thick to balance welding ease, current capacity, and cost.

Slit current collectors let stacked electrode tabs connect at shorter lengths, raising secondary battery energy density and capacity.

A frame with two opposite openings and end caps eases electrode insertion, reduces friction damage, and improves encasing yield.

Plate-shaped Mg(OH)2 in a coated porous separator improves heat resistance while preserving air permeability to help prevent battery short circuits.

A locally stiffer bonding region helps battery current collectors bond securely to electrode foil despite stiffness variation in mass production.

Titanium alkoxide pre-strengthening and an inorganic coating help a thin polyolefin separator keep tensile and compression strength for safer lithium batteries.

End-mounted electrode adapter sheets replace side-wall pins, freeing battery space and improving compact assembly in electronic devices.

Titanium alkoxide treatment forms a thin film on porous separator walls to resist heat shrinkage and improve electrolyte wettability.

Multiple punch presses form a sharper rectangular can step, bringing the inner wall angle closer to 90° for better lid sealing.

A side-mounted, symmetrical connecting member avoids welding deformation, fits swollen battery modules, and helps maintain pressure and heat isolation.

A protruding case vent routes high-temperature gases away from the cell, improving gas-discharge valve reliability under rising pressure.

A fixed base on the separation beam restrains the connection member, improving cell-joint reliability under vibration while supporting battery safety.

Relocating the electrode terminal to the housing bottom wall helps shield the cover plate joint from impact and reduce connection failure.

Controlled particle size and molecular weight improve aromatic polyamide dispersibility and solubility while preserving heat resistance and rigidity.

A separation beam supports the output electrode base, freeing internal battery space for more cells while keeping connections stable.

A form-fitted busbar and overmolded contact element prevent rotation, easing stress at the cell interface while maintaining a fluid-tight seal.

A movable elastic stopper on the guide rail limits battery module separation to prevent falls and damage during rack insertion and removal.

A bent adapting sheet shifts the tab connection toward the end cover, enlarging tab size for faster charging while preserving cell body space.

A shallow semi-accommodating space and spliced middle frames guide battery module insertion, reducing collision risk and assembly space.

Crosslinking a polyolefin battery separator with inorganic and adhesive porous layers reduces heat shrinkage and lowers short-circuit risk at high temperatures.

A spring-clamped closure opens a battery housing at preset pressure, then decouples for reusable, non-destructive venting.

A removable battery frees the kneader from wall power, while an outward-facing battery case opening helps block dust and water ingress.

A ring-shaped acrylate copolymer binder boosts electrode-separator adhesion, cutting gaps, internal resistance, and cycle-life loss.

Foam with tuned hardness, foaming ratio, closed cells, and elliptical bubbles holds battery cells in place while absorbing expansion.

Directly welding the core tab to the pole removes extra sheets, freeing battery space, lowering weight, and reducing energy loss and heat.

Coaxial electrospinning and heat treatment create a core-shell separator that resists thermal shrinkage and lowers ion transport resistance.

An end plate guide passage routes gas to the exhaust port, preventing retention while preserving battery space utilization and safety.

An expanding fireproof layer at the cell vent outlet releases gas while blocking air entry, heat transfer, and flame spread to nearby cells.

Alternating covered and exposed bus bar sections in a cell holder limit thermal bending and keep battery cell connections stable.

A grooved bus bar holder captures welding spatter and keeps it away from battery cells, reducing short-circuit and insulation failure risk.

Mating protrusions and grooves secure stacked power supply modules in three directions, reducing displacement, arcing, and installation complexity.

A direction-change part disperses hot safety-valve ejection in a battery module, preventing concentrated impact, holes, and thermal deformation.

Nickel- or titanium-plated copper busbars enable repeatable laser welding, lower resistance, and reduced oxidation in battery modules.

Sliding plates, springs, and shaft members absorb cell swelling while maintaining initial pressing force and module rigidity.

Controlled double-bond crosslinking in a polyolefin porous support limits heat shrinkage and side reactions, improving separator stability at high temperature.

A porous separator with titania or titanium hydroxide on pore walls improves compression retention, melt integrity, and airflow at high temperature.

A carrier frame and cap let busbars float in pockets, accommodating terminal variation while maintaining secure retention in traction battery packs.