Small-Sized Cells Cases/Jackets TRIZ Cases

An inclined insulating member helps laminate solid-state batteries absorb expansion, prevent wrinkles and cracks, and maintain sealing reliability.

A recessed ultrasonic weld zone traps burrs on battery terminals, allowing direct busbar joining without surface treatment.

Acid-modified polyolefin adhesive improves battery packaging lamination by balancing adhesion, electrolyte resistance, and re-solubility.

A spaced current collector welds to uncoated electrode regions to disperse impact loads, lower resistance, and improve cylindrical battery safety.

Segmented uncoated electrode portions cut tab resistance and heat while preserving electrolyte injection and weld strength in EV cells.

Recessed current-collector leads and insulating glue layers cut thickness variation, internal resistance, and short-circuit risk in lithium-ion cells.

Multiple tab coupling points and a press-fit outer surface lower cylindrical cell resistance while removing can welding and improving sealing.

An inclined inner positive electrode edge in a wound secondary battery disperses separator stress to reduce short circuits and preserve cycle capacity.

A weakened limiting member opens a larger case-side vent path, releasing thermal runaway pressure more smoothly and reducing explosion risk.

A controlled secondary output lets aging lithium-ion cell modules be redeployed in lower-power uses, extending battery pack life and reducing waste.

A deformable can insulator creates a controlled short under heat or pressure, lowering battery energy and helping prevent explosion.

A convex can bottom and controlled area ratio improve thermal pad contact around double seams while preserving cell case strength.

Low-melting solder joins battery tabs to current collector plates at lower laser heat, limiting spatter, shorts, and pack safety risks.

A thickened current path around avoidance regions boosts connecting plate capacity and limits battery module heating during fast charging.

A curved thermocompression-sealed periphery spreads bending stress, enabling flexible high-capacity power storage for wearable electronics.

A side-vented cylindrical cell uses an isolation component and collection chamber to divert runaway emissions away from high-voltage parts.

An electroactive polymer member bends under excess cell voltage to trigger a preemptive short circuit before heat-based overcharge protection reacts.

Continuously formed groove units of different lengths let a battery support connector identification while reducing casing space and overall size.

Precisely sizing the end-cover relief area helps batteries vent on time without weakening the cover or risking valve detachment.

Constant-voltage resistance pulses form a controlled liquid layer in Mo pin joints, improving bend and torsional strength consistency.

Bent tab connections replace rubbing and flattening in cylindrical cells, cutting metal particle fallout and internal short-circuit risk.

A reinforcing structure placed inside the beam cavity strengthens battery box wall-beam welds and reduces stress concentration without taking usable space.

An integrated insulating and conductive terminal replaces a post structure to cut top-cover thickness, raise energy density, and avoid crush short circuits.

A radial pouch-cell stack with inner and outer current collectors improves contact stability, compact packaging, and thermal management.

An insulating seal between the metal housing and terminal cuts space loss, prevents short circuits, and improves button cell energy density.

Flow guiding grooves in a battery mounting base break liquid film continuity to prevent short-circuit paths and improve insulation reliability.

A multilayer bus bar combines conductive metal and resin film to maintain cell connection while disconnecting overcurrent and resisting impact.

Non-coaxial directive structures on cylindrical battery top covers distinguish polarity during assembly and prevent reversed connections.

Localized edge pressing and test voltage expose separator defects in pouch cells while combining short-circuit inspection with cell pressurizing.

A two-material current collector matches the tab and shell to prevent weld cracking, maintain airtightness, and stabilize battery connections.

A mandrel-based swaging process keeps adjacent lithium sheet edges 0.5° to 1° apart, preventing tearing and stabilizing cell discharge.

Separated lithium sheets are press-contacted to a cylindrical casing with a 0.5° to 1° gap, avoiding tearing and stabilizing cell discharge.

A beam-fixed constraint component limits battery expansion, protects outer-cover sealing, and makes pack removal and reinstallation easier.

A thin-film gas discharge member in the safety vent releases activation gases, helping cylindrical batteries maintain performance and lifespan.

Segmented bendable secondary batteries fit narrow wearable frames, improving space use and weight balance without sacrificing reliability.

Flat battery terminals facing across an insulating plate increase cross-sectional area for lower heat while preserving insulation and weldability.

Chemical bonding layers secure the insulation member to stacked pole metals, limiting axial shift and reducing electrolyte leakage risk.

Cooling domes inserted into cell line elements improve battery heat exchange while avoiding immersion-related leakage and corrosion.

Compensation elements around potted connection conductors absorb tolerances and volume changes, simplifying cell assembly while preserving insulation and stability.

Supercapacitors and relay switching let a portable battery deliver selectable 12V or 24V high-current jumpstarting for cars and trucks.

A recessed annular gasket buffers crimping stress, stabilizes the vent cap, and reduces current cutoff pressure variation in cylindrical batteries.

A thin fine-grain pouch case enables bat ears of 1.5 mm or less, raising energy density while improving moldability and cooling.

A metal height-adjusting part aligns the crimped can edge with the cathode cap to improve lead welding without hurting battery exhaust performance.

Rounded exterior film corners and thermal bonding improve battery cell packing, suppress seal protrusion, and prevent film-end exposure.

A fluorine resin binder in the manganese dioxide cathode balances density and liquid absorption to improve discharge and lower manufacturing cost.

Temperature markings guide battery cell placement so hotspots contact cooling elements, improving thermal uniformity, safety, and cell life.

A thin cover part and selective insulation around a through hole improve battery heat dissipation and pressure release to prevent rupture.

Shorting the case to the opposite electrode, then standing and measuring voltage, helps separate repairable external shorts from internal faults.

A current-limited low-current terminal lets one battery pack power secondary loads without overload while preserving high-current output.

An elastomeric lid gasket and insulator compartment block lithium cluster bridging to the terminal pin in ferrule-free pulse dischargeable lithium cells.