Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, MANUFACTURING METHOD THEREFOR AND LITHIUM RECHARGEABLE BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/096253
Kind Code:
A1
Abstract:
Disclosed are a positive electrode active material for a lithium rechargeable battery, a manufacturing method therefor and a lithium rechargeable battery comprising same, the positive electrode active material for a lithium rechargeable battery enabling the improvement of battery performance by having various types of carbon mixed and applied as a positive electrode active material. The positive electrode active material for a lithium rechargeable battery comprises two or more types of active material complexes having sulfur impregnated in a carbon material, wherein the carbon material included in any one type of active material complex, among the two or more types of active material complexes, differs from the carbon material included in another type of active material complex in terms of any one or more of average particle size and shape.
Inventors:
LEE CHOLONG (KR)
KIM YUN KYOUNG (KR)
KIM YUN KYOUNG (KR)
Application Number:
PCT/KR2019/014328
Publication Date:
May 14, 2020
Filing Date:
October 29, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/36; H01M4/38; H01M4/62; H01M10/052
Foreign References:
| CN106207097A | 2016-12-07 | |||
| KR20150142832A | 2015-12-23 | |||
| KR20160051610A | 2016-05-11 | |||
| KR20180017975A | 2018-02-21 | |||
| KR20170139761A | 2017-12-20 | |||
| KR20180136482A | 2018-12-24 | |||
| KR20190133909A | 2019-12-04 |
Other References:
See also references of EP 3817103A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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