About 13 results
https://drivepatents.com/patents/1382441 · 14 May 2026
There is provided an ultrasonic composite vibration device or the like that is configured by connecting a plurality of vibration elements so that stability of the connection state is improved. A first vibration element and an intermediate vibration element...
https://drivepatents.com/patents/1387146 · 15 Apr 2026
Provided is an ultrasonic horn (510) that can reduce the likelihood of damaging a plurality of stacked sheets of metal foil when the stacked sheets of metal foil and a metal member are ultrasonically bonded by applying ultrasonic vibration to the stacked s...
https://drivepatents.com/patents/1387692 · 1 Apr 2026
The present invention relates to a jig assembly for an electrode tab, which includes: a first pressing member and a second pressing member, which are configured to press electrode tab provided on a plurality of electrode parts so that the electrode tabs ar...
https://drivepatents.com/patents/1388837 · 4 Feb 2026
The present invention relates to an apparatus for welding electrode tabs protruding from an electrode assembly to each other and includes a guide part configured to gather the electrode tabs on a predetermined gathering area, a welding part configured to w...
https://drivepatents.com/patents/1391573 · 10 Sep 2025
An ultrasonic welding apparatus may weld a plurality of electrode tabs of an electrode assembly to each other. The ultrasonic welding apparatus may include: an anvil disposed at one side of the plurality of electrode tabs; a horn disposed to face the anvil...
https://drivepatents.com/patents/1399901 · 3 Sep 2025
The present invention comprises: an anvil provided so that an overlapping surface of an electrode tab and an electrode lead, which are provided in an electrode assembly, are disposed thereon; a horn configured to weld the overlapping surface disposed on th...
https://drivepatents.com/patents/1391250 · 11 Jun 2025
A method of producing a battery produces a battery that includes: an electrode body including current collector; a side face member including a terminal and disposed at a side face of the electrode body, the side face member having a joining face that is u...
https://drivepatents.com/patents/939359 · 10 Aug 2016
[Problem] To provide an apparatus for bonding separators in electrical devices wherein even if a unit that performs bonding using ultrasound is used in assembly-line equipment, the amount of space taken up by said equipment can be kept small. [0002] [Solut...
https://drivepatents.com/patents/974679 · 21 May 2014
Disclosed herein is a jelly roll for a secondary battery configured by winding a cathode sheet, a separator, and an anode sheet, wherein electrode tabs are connected to uncoated portions of the electrode sheets, to which electrode active materials are not ...
https://drivepatents.com/patents/985834 · 6 Mar 2013
An electric storage device, such as but not limited to a lithium ion secondary battery, including: an electrode assembly (1) having at least one protrusion portion (8A), said protrusion portion (8A) being formed of an end portion of any one of a positive e...