About 37 results
https://drivepatents.com/patents/1390854 · 9 Jun 2026
An electrode assembly according to one exemplary embodiment of the present disclosure includes a unit cell including a positive electrode plate, a separator and a negative electrode plate, an electrode tab that is protruded from at least one of the positiv...
https://drivepatents.com/patents/1390855 · 9 Jun 2026
The disclosure relates to the technical field of batteries and provides a cylindrical battery including a winding cell. The winding cell includes a winding cell body and a first tab extending from one side of the winding cell body. The winding cell body is...
https://drivepatents.com/patents/1385771 · 4 Jun 2026
A secondary battery is provided and including a wound body including a positive electrode and a negative electrode includes a positive electrode tab and a protective tape. The positive electrode tab includes a tab root portion disposed on a positive electr...
https://drivepatents.com/patents/1114836 · 28 May 2026
A secondary battery includes a first electrode assembly including a first electrode tab that includes a plurality of first uncoated portions, each of the first uncoated portions being bent in a first direction, a second electrode assembly stacked on the fi...
https://drivepatents.com/patents/1114835 · 28 May 2026
A method of manufacturing a power storage device includes: inserting an electrode assembly into a case main body; and after inserting the electrode assembly into the case main body, joining a first conductive member and a second conductive member, the firs...
https://drivepatents.com/patents/1114834 · 28 May 2026
An electrode assembly includes: a first electrode; a second electrode; a separator that is disposed between the first electrode and the second electrode; a first electrode tab that is disposed on the first electrode; and a second electrode tab that is disp...
https://drivepatents.com/patents/1114833 · 28 May 2026
A battery cell, a battery, an electric device, and a method for preparing a battery cell are described. The battery cell includes: a housing having an opening; an end cap assembly for closing the opening; an electrode assembly accommodated inside the housi...
https://drivepatents.com/patents/1382361 · 7 May 2026
An electrochemical apparatus, including a first housing, a first connector connected to the first housing, an electrode plate assembly, a first tab, and a second tab. A first electrode plate of the electrode plate assembly is located on a winding inner sid...
https://drivepatents.com/patents/1382362 · 7 May 2026
An electrode plate, including a base portion and a tab. The base portion includes a first edge connected to the tab. The tab includes an extension portion and a connecting portion. The extension portion includes a first side edge and a second side edge. Th...
https://drivepatents.com/patents/1381930 · 30 Apr 2026
Disclosed are a tab welding structure and a battery. The tab welding structure includes a tab and a to-be-welded part, where the to-be-welded part is welded on the tab to form a connecting portion, a plurality of first welding mark structures that are conc...