Small-Sized Cells Cases/Jackets TRIZ Cases

Rounding the distal corner of the lid's inserted portion prevents filamentary foreign matter generation during assembly.

Composite film structure combines polypropylene adhesion with heat-resistant polymer stability to prevent electrolyte leakage and terminal shrinkage.

Segmented lead structures branch from a main connection to distribute current density and reduce heat generation in high-energy-density batteries.

A flexible secondary battery uses a thermoplastic substance to adapt to complex wearable forms while maintaining structural integrity.

A battery external terminal features a sloping tip end face that directs impact forces laterally away from the main body.

Wrinkles formed between the rupture section and depression periphery absorb external shocks, preventing premature failure of the pressure relief mechanism.

Folding the sealing part downward at 90 degrees reduces battery volume while maintaining safety against swelling and gas.

A heat dissipating structure uses elastic holding members to conduct thermal energy from battery cells to a cooling member.

A battery safety vent assembly uses a temperature-sensitive urging member to open a gas escape path through the sealing aperture.

A battery cover employs a flat contact portion to deflect flexible ribs, preventing sliding that disrupts engagement between the locking projection and recess.

Opposite cell outlet orientation directs high-temperature gas away from adjacent units.

Perpendicular tabs on a cooling fin increase surface area for air flow, reducing battery cell temperature without complex structures.

Integral flange bus bars connect larger batteries to circuit boards without bending, reducing stress and eliminating insulating materials.

A connection member with terminal contact parts and a connecting part interconnects battery cells on an outer pack case surface.

Variable adhesion in the sealing part enables controlled pressure release, preventing explosion risks from swelling.

A segmented cover assembly isolates high-temperature welding to a dedicated connecting member, protecting the main plate from thermal distortion.

An insulating film separates a battery cell cover disc from the housing, preventing air inclusions while maintaining electrical insulation.

A movable battery receiving assembly with interchangeable contacts accommodates cylindrical and prismatic batteries without separate adapters.

Shield gas flows through the case gap to divert laser welding plumes, preventing insulation damage and maintaining reliability.

A lithium nickel cobalt aluminum composite oxide achieves high crystallinity through controlled heat treatment under oxidative atmospheres.

An integrally formed hard case unifies main and sub components to reduce part count in secondary battery packs.

Terminal guide units with non-conductive cushion parts isolate opposing electrode terminals, preventing short-circuits during manufacturing and delivery.

A secondary battery includes a short-circuit induction part made of shape memory alloy that extends to contact electrode leads when reaching a specific temperature.

Insulation layers on secondary battery plates block moisture to prevent corrosion and short-circuits.

Applying 20 to 100 kHz vibration enhances electrolyte mobility within electrode assemblies during secondary battery manufacturing.

An aluminum fuse assembly bridges copper wiring and aluminum bus bars, eliminating brittle intermetallic joints while providing overcurrent protection.

Protrusion on terminal plate improves adhesion to reduce contact resistance while preventing electrical shorts in secondary battery cap assemblies.

A metal implanting component with through-holes bonds to a metal substrate, allowing plastic insert molding to fill the holes and increase bonding strength.

Projections on the insulation case form passages that expedite electrolyte permeation into both electrode surfaces, reducing manufacturing time.