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.

A battery connecting body uses a cover portion retained by bus bars to house electrical components.

An output electrode plate incorporates a through hole to create a minimum overcurrent section that fuses during excessive current flow.

Electrode terminal compression fixes the safety device and thermally conductive stiffener to the cap plate, eliminating welding steps.

Welded electrode terminals stack unit cells, reducing assembly complexity and short circuit risks.

Projection jaws on the PCB terminal prevent movement during assembly, resolving reliability issues in secondary battery pack configurations.

A battery module design uses press-fit sensing terminals to secure electrode leads without welding.

Control first metal member hardness to 40-75 Hv to prevent damage during multi-site ultrasonic welding.

Relocating battery module terminals to the inner side of electrode tabs enables controlled tab breakage during overcharge events.

A fuse bracket supports the unit perpendicular to the battery lateral surface while restricting movement along it.

Conductive connectors link battery terminals to coolant tubes, preventing overheating in lithium secondary batteries.

A reinforcing member surrounds coupling holes in a battery pack coverlay to protect insulation films.

An embossed electrode tab structure increases friction during ultrasonic welding, reducing wear and improving weldability.

A battery pack cover frame uses ribs and support portions to tightly couple bare cell side surfaces.

Corner rib units reinforce battery pack cases to prevent deformation during external shocks.

Brazing material melts via resistance heating to bond terminals, stabilizing the short-circuit against vehicle vibrations.

Segmented opposed plates and intersecting fusible bodies resolve load strength and space constraints in compact vehicle designs.

A tube-shaped battery sealing body uses a non-circular terminal protrusion to prevent electrode rotation.

A portable rechargeable battery pack incorporates a discharge circuit in parallel with its charge protection diode to enable power delivery through charging contacts.

Positioning positive and negative electro conductive members on crossing surfaces prevents short circuits from external metal contact or crushing impacts.

Adhering insulating film to the case outer surface suppresses crack expansion caused by spacer contact, maintaining insulation integrity.