二次電池 - LG Energy Solution Limited

Title:

二次電池

Document Type and Number:

Japanese Patent JP7260229

Kind Code:

B2

Abstract:

The present invention relates to a secondary battery. The secondary battery comprises an electrode assembly in which a first electrode, a separator, and a second electrode are alternately stacked, and a can configured to accommodate the electrode assembly, wherein the first electrode is disposed on an end of the electrode assembly in one direction so that a first electrode non-coating portion that is not coated with an electrode active material protrudes more than the separator with respect to a direction of a winding center axis of the electrode assembly, the second is disposed on an end of the electrode assembly in the other direction so that a second electrode non-coating portion that is not coated with the electrode active material protrudes more than the separator with respect to the direction of the winding center axis of the electrode assembly, the can comprises a first can and a second can, the first electrode non-coating portion contacts a first connection part disposed on an end of one side of the first can, and the second electrode non-coating portion contacts a second connection part disposed on an end of the other side of the second can, and at least one of the first connection part or the second connection part comprises a protrusion connection part having a shape protruding in a direction of the electrode assembly.

More Like This:

WO/2012/141180	METHOD FOR PRODUCING LITHIUM FLUOROSULFONATE, LITHIUM FLUOROSULFONATE, NONAQUEOUS ELECTROLYTE SOLUTION, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
WO/2007/044904	METHOD OF MANUFACTURING LITHIUM BATTERY
WO/2013/069791	NON-AQUEOUS ELECTROLYTE SECONDARY CELL

Inventors:

Park, Jung Il
Kim, Ji Ho
Lee, Yeon Tae
Ko Myung Hoon
Kim, Ki Young
Kang, Gyun Soo

Application Number:

JP2021516879A

Publication Date:

April 18, 2023

Filing Date:

October 01, 2019

Export Citation:

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Assignee:

LG Energy Solution Limited

International Classes:

H01M10/052; H01M10/04; H01M10/0587; H01M50/107; H01M50/531; H01M50/538; H01M50/545; H01M50/548; H01M50/566

Domestic Patent References:

JP4347259B2
JP2005322649A
JP2015527723A

Foreign References:

US20130130066

Attorney, Agent or Firm:

Patent Attorney Corporation RYUKA International Patent Office

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