Battery Cell Tab Connection Layout for Narrow Cell Spacing

The patent transitions from fastening tabs in the thickness direction (one dimension) to fastening tabs in the planar direction (another dimension). By arranging fastening members to connect tabs laterally rather than through the cell thickness, the design achieves secure electrical connection without requiring wide spacing between cells, thus resolving the contradiction between connection reliability and compact cell spacing.

The patent divides the fastening function into multiple fastening members distributed across the tab width. Instead of using a single thick screw through the entire tab thickness, multiple thinner fastening members are used to secure the tab in the planar direction, achieving the same connection reliability with reduced spacing requirements.

The patent arranges tab connection portions in different directions (first direction and second direction perpendicular to each other) rather than all in the same direction. This spatial arrangement in multiple dimensions allows adjacent connections to coexist without interference, enabling reduced spacing between battery cells while maintaining connection simplicity through systematic layout.

The patent combines multiple tab connection portions into a integrated structure where first and second connection portions work together. By merging these connections in a coordinated spatial arrangement, the design achieves compact cell spacing without requiring complex individual connection structures.