Wound/Folded Electrode Electrodes TRIZ Cases

Tab lead-out device with conductive and insulating layers connects battery tabs to the cover plate.

Grooves around resistance-welded collectors capture spattered particles, preventing internal short-circuits caused by copper welding debris.

A secondary battery current collector plate uses varying thickness regions to optimize welding and heat dissipation.

A heat conducting member with spatially varying thermal conductivity optimizes waste heat transfer from battery electrodes to fluid channels.

An adhesive layer with 4-12 N/m force stabilizes stepped electrode sheets, preventing misalignment and corrosion during manufacturing.

Solid electrolyte layer generates gas to activate the electricity shut-off mechanism in non-aqueous batteries.

Sliding insulation separates melted fuse parts via gas pressure, extinguishing arcs and improving short-circuit safety.

Segmented lead plates bond tab bundles at deviated positions, resolving the trade-off between bundle quantity and bonding reliability.

Receiving grooves on electrode plates accommodate bent tabs while an isolation film prevents short circuits caused by tab-to-plate contact during vibration.

A secondary battery sealing plug uses a rubber-coated member and extension grooves to form a tight seal at the electrolyte injection hole.

Heat sealing creates a cavity within the seal portion to reduce thermal stress, extending service life for long-period energy storage applications.

Segmented electric core blocks with flexible connecting bridges manage stress accumulation during curling to prevent battery failure.

A battery separator combines a polyolefin shutdown layer with an aramid inorganic heat-resistant layer to maintain ion permeability.

Folded aluminum laminate film seals the hexahedral stack, reducing bulk while maintaining volumetric energy density.

A lithium-ion battery cell design uses multiple positive and negative lugs arranged in a laminated or staggered structure to improve current discharge.

Integrated cap plate fuse controls dimensions to resolve trade-offs between safety and internal resistance.

Varying rib heights on positive and negative collectors align leading ends, ensuring uniform compression across the battery pack.

Segmented conductive layers enable independent current collection paths for multiple lithium-ion cells, resolving efficiency defects from shared collectors.

A steel case secondary battery reduces heat propagation between cells by leveraging lower thermal conductivity compared to aluminum alternatives.

Rigid-flex circuit boards mount thermal switches between parallel cells to limit current flow and prevent thermal runaway in compact designs.

A battery electrode assembly joins plates and current collectors via ultrasonic welding to secure electrical connections.