A welded multi-protrusion terminal improves current collector joining while saving space around the battery terminal structure.
Conductive adhesive through current-collector holes bonds electrode layers without outer adhesive, cutting thickness and interface resistance.
A thermoplastic-supported metal stack forms wrinkled weld regions to stabilize resistance, prevent layer fractures, and improve battery life.
A heat-shrink tube around the electrode assembly protects the case from welding burrs while reducing tab space to improve battery capacity.
A folded redundant lug section absorbs electrode expansion and vibration, reducing tearing risk, leakage, and connection failure.
Selective roughness on tab-attachment regions boosts welding strength and lowers contact resistance in rechargeable lithium battery substrates.
Clinching a bent electrode lead around stacked tabs improves coupling stability, while a plastic member covers burrs to protect the battery case.
Localized roughness on tab-attachment regions boosts weld adhesion and lowers contact resistance in rechargeable lithium battery substrates.
Continuous X-ray scanning selects the narrowest electrode projection to detect battery electrode shift accurately in less inspection time.
Laser-welded ribs and support elements create compact battery tab-to-terminal connections with lower manufacturing complexity and less welding deformation.
Insulating filling and covering parts stabilize electrode extensions to prevent metal exposure, short circuits, and manufacturing breakage.
Z-folded separator layers combined with outer lamination stacks enlarge positive electrode area while improving assembly stability and short-circuit resistance.
An eccentric collar structure shortens fastener spacing, limits end plate deformation, and preserves electrical contact in battery modules.
A tapered penetration hole and stepped smoothing edge improve battery terminal caulking by reducing gaps, deformation, and join errors.