Small-Sized Cells Cases/Jackets TRIZ Cases

An insulation plate with a short-circuit hole and air opening prevents dew condensation from causing battery corrosion.

A beading groove in the cylindrical can secures the electrode lead plate flange and jelly roll position through mechanical deformation.

Rough sealing plug surfaces increase friction force to inhibit electrolyte leakage caused by sealing member degradation.

Embossed tray walls support braces and frame structures to distribute impact forces, preventing warpage during welding while enhancing crash energy absorption.

Merges flange and lead member into one current collector to reduce contact resistance and simplify assembly.

A battery module case features a recessed groove to increase contact area with the heat conducting member.

Metal case protects bare cell from impact while acting as antenna to improve sensitivity.

Brominated flame retardants in the electrolyte extinguish fires while maintaining electrochemical performance and minimizing cost.

A cylindrical battery cell uses a rotatable negative electrode tab to accommodate internal deformation during charge cycles.

A battery cell design places positive and negative terminals on the same lateral end to simplify wire bonding.

Bendable conductive portions extend horizontally under a cover plate to electrically connect battery cell terminals.

Stress buffering films on flexible battery electrode uncoated regions absorb compressive and tensile stresses to prevent internal short circuits.

A battery module uses thermal transfer fins to conduct heat from cells through a composite filler layer.

Cyclic sulfone compounds suppress electrolyte decomposition under high voltage, maintaining capacity retention during long-term cycling.

A battery cell design routes terminals internally and exposes lead taps externally to minimize overall height.

A top loading battery holder uses flexible retention tabs to secure energy storage devices within a compact housing structure.

A segmented cooling air space isolates gas from cell compartments to maintain thermal management without cross-contamination.

Bonding a sealing cover to an encapsulation casing eliminates heat-sealing folds, reducing volume and increasing energy density.

A swelling partition guides cell expansion to bend electrode tabs, triggering a controlled short circuit that prevents electrolyte leakage.

Longitudinal ribs on the inner wall of an accumulator connection pole reduce friction and prevent tilting during pole shaft insertion.

An aluminum battery case coated with an electrically insulative polymer material prevents short circuits and corrosion while simplifying assembly.

Integrated bending lug merges connector and cable functions to reduce contact resistance and assembly costs in battery systems.

Grooved terminal plates accommodate bent pins to manage thermal expansion, reducing manufacturing complexity and preventing deformation in secondary batteries.

Segmented separation films conform to stepped electrode laminates, resolving tension-induced bending defects and improving insertion properties.

Conductive battery case grounds the negative terminal while a ground member abuts the positive cover to block exposure.

Openings in the active material mixture layer accommodate silicon volume expansion, preventing cracks and short-circuits during winding.

A pre-stressed spring applies internal torque to increase mechanical load on a hearing aid battery contact point.

Segmented safety valve components with aligned radial vents improve gas discharge stability while managing structural complexity in secondary batteries.

A prismatic lithium battery uses a porous heat-resistant layer between electrodes to maintain structural integrity during operation.

A battery pack assembly uses flexible contact members to maintain electrical connection while keeping terminals enclosed within the housing.

A secondary battery collector tab uses a deviated branch part to join the terminal, increasing contact area.

An electrode lead design for pouch batteries uses a separable outer lead to maintain electrical continuity during normal operation.

Diffusion welding joins copper and aluminum terminal plates, resolving the trade-off between high electrical conductivity and reliable metallurgical bonding.

Bent shock absorbing units on battery pack leads absorb vibration energy, preventing damage to welded connection portions during operation.

Integrating a conductive layer into the laminated outer package eliminates electrostatic discharge damage while simplifying assembly steps.

Columnar crystal nickel plating on stainless steel covers increases peel and joint strength to prevent leakage during battery cycling.

Protective film on bent side edges restrains swelling and prevents short circuits in pouch cells without increasing total size.

A battery design routes terminals through a temperature control medium to dissipate heat directly from the electrical connections.

Segmented electrode unit cells with round corners accommodate curved device shapes while preventing short circuits through insulative tape protection.

Nested cover extensions fit into recessed case mounts to minimize volume while maintaining coupling strength and reliability.

Casing films feature a close contact zone between the thermally sealed area and cell element to relax peeling forces.

Resin-bonded woven glass fabric replaces metal to reduce vehicle mass while maintaining structural stiffness and corrosion resistance.

A secondary battery uses a slim part with a low tensile strength coating to enable smooth gas discharge.

Asymmetric corner radii in the battery can guide controlled deformation during compression, preventing electrode short circuits and ignition.

An intermediate heat-resistant insulating layer prevents resin melting from causing short circuits in parallel-connected secondary batteries.

An insulative coating on an aluminum can prevents corrosion at the negative terminal, increasing gravimetric energy density.

Stress relief grooves on battery end cover insulators absorb terminal deformation stress to prevent cracking and short circuits.

A segmented heat dissipating device transfers thermal energy from an electrochemical storage unit via direct contact surfaces.

A sealing body with a thicker peripheral region around the electrode terminal reduces stress concentration on the laser weld.

Replacing threaded assemblies, the T-shaped terminal uses riveting and positioning pins to eliminate short circuit risks while increasing current carrying area.