Small-Sized Cells Cases/Jackets TRIZ Cases

Direct electrode terminal connection between adjacent battery cells eliminates relay tabs, resolving vibration stress and assembly complexity issues.

A prismatic battery current collector rib features an easily bendable part to prevent insulation penetration.

A secondary battery uses a protuberance at the electrode assembly edge to block molten material during thermal welding.

Foldable tabs on a battery retention label secure power cells via shear-resistant adhesive, resolving space and repair trade-offs in compact electronics.

End plates with recesses house movable fastening members to prevent loosening and reduce contact resistance during thermal expansion.

Segmented cell blocks connect via shared terminals to boost capacity while maintaining transportation safety and handling ease.

Relocating the seal portion from the large first surface to the smaller second surface suppresses uneven pressure distribution in stacked devices.

A rechargeable battery terminal connects to a cap plate via a round part with a curvature radius smaller than the connection part thickness.

Preliminary deposition of parylene, ceramic, and low-melting-point glass layers on stacked cells prevents water vapor permeation and leakage current.

A resin cylindrical battery case with a hollow structure reduces thermal conductivity, preventing rapid heat dissipation in low-temperature environments.

Aluminum electrolyte additives and optimized mass ratios reduce sulfation coarsening to extend battery life during frequent idling stop cycles.

Segmented rigid busbar segments with flexible joints reduce assembly complexity and enhance mechanical resilience in battery modules.

A negative-electrode terminal uses a segmented clad portion to bond aluminum and nickel layers.

A rechargeable battery terminal seal uses inclined sidewalls to create a mechanical wedge action that secures the connection between the electrode assembly and cap plate.

A battery pack design uses a leaf spring connection member and cap assembly to establish electrical connectivity between adjacent cells.

Segmented electrode leads with integrated connection parts enable precise ultrasonic or laser welding to bus bars.

Piezoelectric element triggers terminal short circuit to prevent fire from overcharge pressure.

A battery module housing portion includes a reinforcing plate positioned between battery cells to strengthen the structure.

A rechargeable battery pack uses a high voltage interruption device to disconnect power lines when internal pressure rises.

Heat expandable microcapsules fill voids in silicon oxide negative electrodes to prevent electrolyte infiltration and suppress thermal runaway.

A rechargeable battery terminal uses a copper bolt and aluminum nut riveted to the cap plate for secure electrical connection.

An energy storage apparatus positions an electrical device between electrode terminals to minimize volume.

Elastic terminal stopper seals connecting terminal through-hole, preventing electrolyte corrosion of current interruption mechanism.

Laser welding joins bus bars to external terminals using a thickness-direction space that acts as a thermal barrier.

A cap assembly uses a dual gasket structure to isolate the current intercepting member from the battery can.

Inclined battery cell groups in dual housing cases eliminate bus bar assembly costs while maintaining electrical connection reliability.

Segmented interface sealing component encloses battery terminals to prevent environmental damage while maintaining air circulation for heat dissipation.

Curved external surfaces create gaps for cooling fluid flow, resolving thermal runaway risks while accommodating electrode volume changes.

Pre-formed protruding portion compensates for dimensional tolerances to maintain weld strength and prevent deformation during manufacturing.