CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Title:

CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2020/101331

Kind Code:

A1

Abstract:

Provided is a cathode active material for a lithium secondary battery, the cathode active material comprising secondary particles composed of a plurality of groups of primary particles, wherein the primary particles are provided on the surface part of the secondary particles, comprise first primary particles having a spinel structure at the ends thereof, and are composed of lithium (Ni), nickel (Ni), manganese (Mn), and tungsten (W) which is a doping element.

Inventors:

SUN YANG-KOOK (KR)
PARK GEON-TAE (KR)

Application Number:

PCT/KR2019/015383

Publication Date:

May 22, 2020

Filing Date:

November 13, 2019

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Assignee:

IUCF HYU (KR)

International Classes:

H01M4/525; C01G53/00; H01M4/36; H01M4/485; H01M4/505; H01M10/052

Domestic Patent References:

WO2012148157A2

2012-11-01

Foreign References:

US20110076564A1	2011-03-31
KR20170115939A	2017-10-18
KR20140034606A	2014-03-20
JP2017084513A	2017-05-18

Attorney, Agent or Firm:

CHOI, Hoon Sik (KR)

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