POSITIVE ELECTRODE AND SECONDARY BATTERY COMPRISING SAME POSITIVE ELECTRODE

Title:

POSITIVE ELECTRODE AND SECONDARY BATTERY COMPRISING SAME POSITIVE ELECTRODE

Document Type and Number:

WIPO Patent Application WO/2023/204620

Kind Code:

A1

Abstract:

Disclosed are a positive electrode and a secondary battery comprising same, the positive electrode comprising a positive electrode active material layer, wherein the positive electrode active material layer includes a positive electrode active material and a conductive material, the positive electrode active material includes a first lithium composite transition metal oxide in the form of a single particle consisting of one primary particle or a quasi-single particle which is an aggregate of 10 or less primary particles, the conductive material includes few-walled carbon nanotubes and single-walled carbon nanotubes, and the number of walls of the few-walled carbon nanotubes is 2-7.

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Inventors:

MOON IL JAE (KR)
PARK JOO HO (KR)
KIM WOO HA (KR)
YOON SUNG SOO (KR)

Application Number:

PCT/KR2023/005364

Publication Date:

October 26, 2023

Filing Date:

April 20, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

H01M4/62; C01B32/158; H01M4/02; H01M4/525

Foreign References:

KR20190041715A	2019-04-23
JP2021150051A	2021-09-27
KR20190131842A	2019-11-27
KR20210040804A	2021-04-14
JP2016048698A	2016-04-07

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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