Title:
COMPOSITE CATHODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM ION BATTERY CONTAINING CATHODE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2018/038501
Kind Code:
A1
Abstract:
Disclosed are: a composite cathode active material for a lithium ion battery comprising a coating film, the composite cathode active material comprising a nickel-rich lithium nickel-based compound having a nickel content of 50-100 mol% on the basis of the total amount of transition metals, and a rare earth metal hydroxide formed on the surface of the nickel-rich lithium nickel-based compound; a manufacturing method therefor; and a lithium ion battery containing a cathode comprising the same.
Inventors:
LEE JAE HO (KR)
KWON SEON YOUNG (KR)
KIM KI HYUN (KR)
SONG YU MI (KR)
CHO KWANG HWAN (KR)
KWON SEON YOUNG (KR)
KIM KI HYUN (KR)
SONG YU MI (KR)
CHO KWANG HWAN (KR)
Application Number:
PCT/KR2017/009138
Publication Date:
March 01, 2018
Filing Date:
August 22, 2017
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M4/525; C01G53/00; H01M4/36; H01M10/0525
Foreign References:
| KR20110081079A | 2011-07-13 | |||
| KR20150080199A | 2015-07-09 | |||
| JP2015130340A | 2015-07-16 | |||
| KR20160091172A | 2016-08-02 | |||
| US20120156565A1 | 2012-06-21 |
Other References:
See also references of EP 3506400A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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