About 18 results
https://drivepatents.com/patents/1396054 · 22 Apr 2026
The present invention relates to a pouch for a secondary battery, in which one pouch and the other pouch are formed in a longitudinal direction, the pouch comprising: one accommodation groove and the other accommodation groove, which are formed in one surf...
https://drivepatents.com/patents/1379739 · 19 Mar 2026
A jelly-roll type electrode assembly in which a positive electrode, a separator, and a negative electrode are wound. The positive electrode includes a positive electrode edge portion adjacent to a winding center portion and a sealing portion surrounding th...
https://drivepatents.com/patents/1379432 · 12 Mar 2026
Disclosed is an assembly comprising at least one cell comprising an exterior surface; a bag with an interior surface and an exterior surface, wherein the bag surrounds the at least one cell; an inert gas filling a space between the interior surface of the ...
https://drivepatents.com/patents/1378429 · 5 Feb 2026
A battery manufacturing apparatus includes a can gripper configured to contact and fix a can, a stack gripper adjacent a side of the can gripper, the stack gripper being configured to fix a stack to be inserted into the can, and a stack pusher adjacent the...
https://drivepatents.com/patents/1392900 · 7 Jan 2026
Embodiments of the present application provide a battery cell, a battery, an electrical apparatus, and a manufacturing method of a battery cell. The battery cell includes a case, an electrode assembly, an end cover, a first terminal post, and a second term...
https://drivepatents.com/patents/1377811 · 1 Jan 2026
A secondary battery includes: a case having an open side surface; an electrode assembly inserted into the case through the open side surface, the electrode assembly including a bent electrode tab; a terminal electrically connected to the electrode tab of t...
https://drivepatents.com/patents/1398044 · 16 Jul 2025
Provided is a method of activating a secondary battery, which includes an operation of deriving a reduction reaction voltage according to an electrolyte additive, a pre-charging operation of pre-charging the secondary battery into which an electrolyte cont...
https://drivepatents.com/patents/1397787 · 14 Aug 2024
An end insulating plate (1) is arranged in a battery device to insulate a battery apparatus (2). The end insulating plate (1) has a bendable glue baffle (11) disposed at a bottom portion. In first and second states, the glue baffle (11) is bent towards a f...
https://drivepatents.com/patents/1366626 · 11 Jul 2024
The present disclosure relates to an apparatus for manufacturing a battery cell. For example, a battery cell includes a casing having two open sides and an auxiliary portion, and an electrode assembly configured to be inserted into the casing. The electrod...
https://drivepatents.com/patents/965798 · 24 Dec 2014
A rechargeable battery comprising a case and an electrode assembly located in said case, said case comprising a wall surrounding an opening, the rechargeable battery further comprising a retainer for holding said electrode assembly in place within the case...