About 106 results
https://drivepatents.com/patents/1393671 · 25 Mar 2026
Disclosed are a jelly-roll type electrode assembly and a secondary battery including the same.
https://drivepatents.com/patents/1398408 · 25 Mar 2026
A power storage device 10 includes a first electrode 21 having a first current collector, a second electrode 22 having a second current collector, and a separator 23. The first electrode 21, the second electrode 22, and the separator 23 form a columnar wou...
https://drivepatents.com/patents/1386158 · 11 Mar 2026
The present application provides a jelly roll and a punch cell, and relates to the field of lithium battery technologies. The jelly roll includes a negative electrode plate, along a winding direction, an inner surface of a bending region of the negative el...
https://drivepatents.com/patents/1386081 · 25 Feb 2026
A process unit (100) for secondary cell battery manufacture, comprising: a mounting plate (110) having a first horizontal rail (111) formed on an upper part; a vertical plate (120) vertically coupled to an upper part of one side of the mounting plate (110)...
https://drivepatents.com/patents/1399893 · 25 Feb 2026
The present invention relates to a separator sealing device and an apparatus for manufacturing a unit cell using the same, and more particularly, to a separator sealing device, which is capable of sealing a portion of a separator between an electrode and a...
https://drivepatents.com/patents/1393927 · 18 Feb 2026
The present invention provides a riveting structure of an electrode terminal, and a cylindrical battery cell, a battery pack, and a vehicle including the same, and a riveting structure of an electrode terminal includes: a battery can with one side open; an...
https://drivepatents.com/patents/1391181 · 4 Feb 2026
Disclosed herein is a battery tray that has multiple insertion holes into which charge/discharge terminals are inserted and multiple heat dissipation holes for air flow are formed at the bottom of a housing in which the batteries are accommodated, so that ...
https://drivepatents.com/patents/1388515 · 28 Jan 2026
The present application provides an electrode plate manufacturing device and an electrode plate manufacturing method, relating to battery field. The electrode plate manufacturing device includes an extrusion mechanism, a film forming mechanism and a combin...
https://drivepatents.com/patents/1392167 · 28 Jan 2026
One embodiment of the present invention provides a unit cell manufacturing device comprising a vision part for measuring a measurement value comprising the position information of at least one of the central electrode, the upper separator, the lower separa...
https://drivepatents.com/patents/1396516 · 28 Jan 2026
This application relates to a bare cell film coating apparatus and method, and a battery manufacturing system. The bare cell film coating apparatus includes: a supporting assembly, configured to support a cell assembly, where the cell assembly includes a b...