JELLY-ROLL TYPE ELECTRODE ASSEMBLY, BATTERY CELL INCLUDING SAME, AND CYLINDRICAL BATTERY

Title:

JELLY-ROLL TYPE ELECTRODE ASSEMBLY, BATTERY CELL INCLUDING SAME, AND CYLINDRICAL BATTERY

Document Type and Number:

WIPO Patent Application WO/2023/177199

Kind Code:

A1

Abstract:

A jelly-roll type electrode assembly according to an embodiment of the present invention, comprises: a positive electrode sheet; a negative electrode sheet; and a separator sheet placed between the positive electrode sheet and the negative electrode sheet, wherein part of the separator sheet facing one end of the positive electrode sheet positioned inside the jelly-roll type electrode assembly comprises a first separator sheet part facing the negative electrode sheet and a second separator sheet part facing the positive electrode sheet, and the coefficient of friction between the first separator sheet part and the negative electrode sheet is less than the coefficient of friction between the second separator sheet part and the positive electrode sheet.

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Inventors:

KIM SUDEOK (KR)
KIM HYOUNG KWON (KR)
KIM JIN SOO (KR)

Application Number:

PCT/KR2023/003447

Publication Date:

September 21, 2023

Filing Date:

March 15, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M10/04; H01M10/0587; H01M10/42

Foreign References:

KR20090111342A	2009-10-26
KR20140074220A	2014-06-17
JP2009037944A	2009-02-19
JP2003303624A	2003-10-24
JP2013089441A	2013-05-13

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

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