About 219 results
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https://drivepatents.com/patents/1394420 · 28 Jan 2026
Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side dir...
https://drivepatents.com/patents/1396758 · 28 Jan 2026
An electrochemical device includes a packaging bag, an electrode assembly, and a binder. The electrode assembly is disposed in the packaging bag. The binder is configured to bond the electrode assembly to the packaging bag. The binder includes a first bond...
https://drivepatents.com/patents/1387790 · 28 Jan 2026
The present disclosure relates to a rechargeable lithium battery. Some embodiments provide a rechargeable lithium battery including an electrode assembly being wound around a winding axis and including a positive electrode plate having a positive electrode...
https://drivepatents.com/patents/1378038 · 15 Jan 2026
A secondary battery includes: an electrode assembly including a through-hole in a thickness direction thereof, a case having an opening and accommodating the electrode assembly, a cap plate coupled to an end of the case having the opening of the case, and ...
https://drivepatents.com/patents/1377809 · 1 Jan 2026
A battery cell includes a Z-folded separator, C cathode electrodes arranged on one side of the Z-folded separator, and A anode electrodes arranged on the other side of the Z-folded separator, where A and C are integers greater than one. A reference core in...
https://drivepatents.com/patents/1377810 · 1 Jan 2026
The secondary battery may include an electrode assembly comprising a jelly roll including a first electrode and a second electrode, a case having an opening formed at one side and accommodating the electrode assembly and an electrolyte, and a cap assembly ...
https://drivepatents.com/patents/1377641 · 25 Dec 2025
A battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode and wound together; a case to accommodate the electrode assembly, and including a bottom portion...
https://drivepatents.com/patents/1387358 · 24 Dec 2025
A separator (170) includes first regions (R1), which include a first end portion (171) and a second end portion (172) opposite to each other in a first direction orthogonal to a thickness direction, and a second region (R2), which is sandwiched between the...
https://drivepatents.com/patents/1397835 · 17 Dec 2025
This application relates to a rolling apparatus and a processing device, which are used for rolling an electrode plate (1). The rolling apparatus includes a first roller (2) and a second roller (3), where the first roller (2) and the second roller (3) are ...
https://drivepatents.com/patents/1396343 · 10 Dec 2025
A cylindrical secondary battery according to the present disclosure includes a jelly-roll type electrode assembly having a structure in which a positive electrode plate and a negative electrode plate having a sheet shape and a separator interposed therebet...