Small-Sized Cells Cases/Jackets TRIZ Cases

A pressure-sensitive deformable portion uses snap-through deformation to disconnect a conduction path in sealed secondary batteries.

Elastic cell fixtures expand laterally under compression to accommodate dimensional tolerances and reduce vibration-induced rattling.

Passages in the holder enable heat dissipation from the secondary protective element, resolving overheating risks while maintaining structural support.

A battery pack PCB housing uses a two-stage locking part to secure the board and manage terminal clip deformation.

A flipping member with a deformation cushion region interrupts current flow by breaking a score line under air pressure.

Incorporating a thermal mass decouples fuse response time from current duration, preventing battery damage during aggressive driving spikes.

Extending the negative electrode sealing length compensates for poor copper adhesion, preventing electrolyte leakage.

A non-aqueous electrolyte with LiFSI and fluorinated benzene forms a stable solid SEI film on the negative electrode.

A unified battery module cover prevents gas leakage by directing exhaust through an integrated cavity, reducing component count.

Bent circuit boards with composite substrates directly couple stacked unit batteries, reducing device complexity while maintaining electrical connectivity.

Single particle positive electrode active material minimizes heat generation and gas production during rapid charging cycles.

An integrated U-shaped busbar links adjacent battery post assemblies through bent sections to establish stable electrical paths.

Fine pores block foreign materials while strip protrusions enhance mechanical strength, improving injectability and preventing short circuits.

A protruding dissipation member transfers heat from the electrode assembly to the exterior, resolving poor thermal management in flexible pouch batteries.

A wearable band integrates a segmented protective frame with hard and soft sections to shield internal components while maintaining flexibility.

An insulation member coats the battery case and features a protruding portion that directs moisture away from electrode terminals.

Distance holders between current collectors and terminals prevent bending damage while ensuring reliable conductivity.

Thermal bonding joins the flexible pouch and rigid can portions, resolving the contradiction between structural strength and shape adaptability.

Nipping plates secure electrode tabs and cell bodies to distribute vibration stress, preventing boundary fatigue in compact battery modules.

Differentiating binder swelling in one-sided and double-sided regions maintains electrical contact during discharge, resolving assembly clearance issues.

Decreasing width exhaust guide sealing portion releases high-pressure gas while bridge sealing portion maintains electrolyte containment.

A metal plate shields the grooved portion of a cylindrical battery can from high-temperature gas impact.

A shape-memory alloy switch plate changes shape at high temperatures to contact a cap plate, preventing overcharging and enhancing electric stability.

A glass-ceramic feedthrough embeds a conductor with round and rectangular sections to simplify assembly.

A movable insulation component thermally isolates battery contact elements, preventing heat loss through live cables in solid electrolyte systems.

Segmented insulation layers on uncoated electrode portions prevent short circuits while maintaining low internal resistance for rapid charging.

A battery pack design uses a fire extinguishing agent stored between nested cases to cool the electrode assembly.

An integrated cover plate secures electrode leads and cables, resolving the trade-off between fixing reliability and assembly volume.

Projecting portion on metal case blocks foreign substance entry at the boundary between the case and waterproof insulation sheet.

A cap assembly deformation preventer secures the current collector to reduce contact resistance.

Grooves in the common jacket enable controlled separation of flat wires, increasing creepage distance and reducing short circuit risk.

A divided electrode tab and cushion mechanism interrupt current flow when internal pressure exceeds reference levels, ensuring cell-level safety.

Through-holes in the tray body allow coolant flow around battery cells, resolving terminal protection conflicts while maintaining structural support.

Integrating the terminal landing and transition into a single piece reduces material usage while maintaining manufacturing ease for EV battery packs.

Axial insulation and integrated sensor receptacle maintain connection integrity while preventing lead breakage during assembly.

Flange protrusions and notches redistribute thermal stresses in insulating materials, preventing cracks while maintaining hermetic seals.

U-shaped terminal plates with distinct hole shapes connect cells, resolving complexity trade-offs while boosting output voltage and current.

A disc-shaped current collector plate welds to an electrode assembly and case, accommodating mechanical deformation during charge-discharge cycles.

A battery module uses a duct system to bypass overcharge current through a short-circuit plate.

Angled collector plate protrusions engage the electrode uncoated portion to deflect laser beams, preventing weld penetration damage.

Laser ablation creates patterned active material layers that relieve bending stress and prevent electrode cracking in flexible secondary batteries.

Curved coolant channels in a multi-layered thermal plate eliminate gaps between uneven mating surfaces, ensuring consistent heat transfer from the battery cell.

Seal reinforcement tapes attach to thermally bonded edges of a battery cell case to create controlled gas discharge pathways.

A secondary battery short circuit member induces an internal short circuit when pressure or temperature exceeds a reference level.

Insulating layers on cylindrical cells regulate spacing to suppress thermal influence while improving energy density.

Merging hinge components into the side body and upper cover reduces overall volume and mold costs for vehicle battery terminals.

Insulating tape on the negative electrode lead tip prevents short circuits in cylindrical batteries.