About 37 results
https://drivepatents.com/patents/1378449 · 5 Feb 2026
A secondary battery includes an electrode assembly including a first electrode, a separator, and a second electrode, a case accommodating the electrode assembly, the case being electrically connected to the second electrode, a cap assembly sealing an openi...
https://drivepatents.com/patents/1378315 · 29 Jan 2026
A secondary battery includes a case, an electrode assembly inside the case, the electrode assembly including a first electrode and a second electrode, a first tab member connected to the first electrode, the first tab member extending from the electrode as...
https://drivepatents.com/patents/1378314 · 29 Jan 2026
A battery cell and a battery cell module and a method of forming batteries with improved electric resistance and uniform current density are provided. The battery cell includes a first and a second negative electrodes and a first and second positive electr...
https://drivepatents.com/patents/1378171 · 22 Jan 2026
The present disclosure relates to a secondary battery and a battery pack to prevent a local degradation phenomenon. To this end, a secondary battery may include a case, an electrode assembly disposed inside the case and having a first electrode and a secon...
https://drivepatents.com/patents/1378170 · 22 Jan 2026
A secondary battery and a battery pack including the same are disclosed. A secondary battery includes a case, an electrode assembly in the case and including a first electrode and a second electrode, a first tab member connected to the first electrode and ...
https://drivepatents.com/patents/1378044 · 15 Jan 2026
The present disclosure relates to a secondary battery, a secondary battery manufacturing method, and a battery pack, in which defects in bonding of an electrode can be prevented or substantially prevented and power efficiency is increased. To this end, the...
https://drivepatents.com/patents/1377665 · 25 Dec 2025
A secondary battery includes a cylindrical case, an electrode assembly accommodated in the cylindrical case, and a cap plate electrically connected to the electrode assembly and configured to seal the cylindrical case, wherein the cap plate includes a firs...
https://drivepatents.com/patents/1377514 · 18 Dec 2025
A tab welding structure and a battery are provided, relating to the field of battery technology. The tab welding structure includes a wound body with an electrode plate, and a full tab. The full tab is electrically connected to the electrode plate and loca...
https://drivepatents.com/patents/1391026 · 28 May 2025
The present disclosure relates to an energy storage device and an electrical equipment. The energy storage device includes a housing (10), a jellyroll (20), a connecting sheet (30), and a top cover (40). The jellyroll (20) is provided with a tab (21), and ...
https://drivepatents.com/patents/1372847 · 16 Jan 2025
An electrode assembly of a battery cell includes a first electrode plate and a first tab. The first tab is electrically connected to the first electrode plate. The first tab is located in a straight region. The first tab at least partially protrudes from a...