About 19 results
https://drivepatents.com/patents/1390856 · 9 Jun 2026
A method includes electrically connecting a first battery cell to a second battery cell by joining a first tab terminal of the first battery cell to a second tab terminal of the second battery cell. The method further includes compressing the first tab ter...
https://drivepatents.com/patents/1114840 · 28 May 2026
In a power storage device, a welding portion at which a first conductive member and a second conductive member are welded is formed, an outer peripheral edge of a base portion includes a first portion located in a vicinity of the welding portion and a seco...
https://drivepatents.com/patents/1114837 · 28 May 2026
A battery cell, a method of welding electrode foils in a battery, and a method of forming a battery cell. The battery includes a foil stack. The foil stack includes a plurality of foil tabs each extending from a current collector and at least one internal ...
https://drivepatents.com/patents/1114839 · 28 May 2026
A welding apparatus for welding single cells stacked together to define a conductive cell for the production of electrical energy storage devices, each single cell including at least one first electrode, a second electrode and at least one separator film i...
https://drivepatents.com/patents/1114838 · 28 May 2026
The present disclosure provides a case for a secondary battery, a secondary battery including the case, and a method for manufacturing the secondary battery. A secondary battery may include an electrode assembly including a first electrode, a second electr...
https://drivepatents.com/patents/964947 · 26 May 2026
A battery module includes a battery cell stack that is formed by stacking a plurality of battery cells along a first direction, an insulating cover that covers both end parts of the battery cell stack, a holding member that wraps both end parts of the batt...
https://drivepatents.com/patents/1381503 · 23 Apr 2026
A method of manufacturing a lead tab for a secondary battery comprises the steps of: (a) providing heat of a predetermined temperature or higher to the lead tab having a processing pattern formed on each of top and bottom surfaces to form an oxide film on ...
https://drivepatents.com/patents/1381177 · 16 Apr 2026
Vehicles, battery assemblies, and methods for fabricating batteries are provided. A method for fabricating a battery includes arranging a plurality of foils associated with a plurality of electrodes of a battery cell in a stack, wherein the stack has an ou...
https://drivepatents.com/patents/1379475 · 12 Mar 2026
In one exemplary embodiment, an electrode sheet is provided. The electrode sheet has a longitudinal direction and a lateral direction and constitutes an electrode of a secondary battery by being wound with the lateral direction as an axial direction. The e...
https://drivepatents.com/patents/1378565 · 12 Feb 2026
A secondary battery includes an electrode assembly including a first electrode plate having at least one first electrode tab thereon, a second electrode plate having at least one second electrode tab thereon, and a separator between the first electrode pla...