Small-Sized Cells Cases/Jackets TRIZ Cases

Ring terminal guides on busbar mounting members prevent rotation damage to electrical connectors during connection.

An intermediary copper component prevents temperature elevation during over-discharge by regulating battery voltage and reducing gas generation.

A cylindrical battery cap assembly features a surface-treated top plate with knurling to enhance scratch resistance.

A nickel-based cathode material with a porous inner portion buffers volume changes during cycling.

A battery module uses a thermally conductive case to dissipate heat from stacked cells.

A battery cover integrates a condensation chamber to capture and return vaporized electrolyte from vented gases.

Bent part tip length ratio of 8.0 to 10.0 percent of outer diameter improves sealing strength without increasing battery size.

Optimizing aluminum foil yield strength to 64-85 N/mm2 prevents pinhole formation and cracking in layered cell packaging films during complex molding processes.

Pre-formed notches in the sealing tape allow rapid unsealing to discharge internal gases, preventing pressure buildup and explosions during abnormal conditions.

A battery terminal component uses a raised pedestal surface to join internal and external terminals via plastic deformation.

Multi-tabbed electrodes with high aspect ratios distribute current across multiple contact points, preventing lithium plating during fast charging.

A flexible collecting tab connects the electrode assembly to the terminal plate in a secondary battery.

A battery module uses a segmented heat pipe to circulate coolant, reducing temperature differences between densely packed cylindrical cells.

Asymmetric projecting portions on a holding member eliminate waste spaces between adjacent battery modules while maintaining structural stability.

Edge-wise partitioning isolates dendrite shorts in Li-metal cells, preventing thermal runaway while maintaining high energy density.

An insulating layer in the lead tab prevents reconnection after pouch shrinkage, ensuring continuous current blocking to avoid ignition hazards.

Hybrid crimping and laser welding reduces contact resistance and prevents oxidation in sealed battery terminals.

A battery housing integrates vacuum insulation and cooling elements for thermal management.

Adhesive intermediate layer bonds printed electrodes while preventing short circuits through a rigid polymer matrix.

A battery pack uses a segmented mounting mechanism with exposed latching units to secure the circuit board and connectors.

Segmented battery tabs join distinct welding and reaction regions to resolve the contradiction between electrochemical stability and weldability.

Segmented master and slave batteries resolve the trade-off between increased energy storage and fixed tool interface dimensions.

Casing structures physically separate and orient battery cells, containing thermal runaway heat and molten slag within individual compartments.

Chain carbonates in the electrolyte solution maintain a specific self-diffusion coefficient at -20°C, resolving low-temperature performance degradation.

Three-dimensional electrode tab arrangement resolves thickness-reliability trade-offs in high-capacity battery cells by preventing connection defects.