Title:
正極活物質、その製造方法およびこれを含む正極とリチウム二次電池
Document Type and Number:
Japanese Patent JP6889213
Kind Code:
B2
Abstract:
Disclosed are a positive active material including a lithium cobalt oxide including secondary particles having an average particle diameter of 15 µm to 25 µm, wherein the secondary particle includes a plurality of primary particles having an average particle diameter of 2 µm to 10 µm, and the positive active material has pellet density of greater than or equal to 3.80 g/cm3. Further, a method of manufacturing a positive active material, and a positive electrode and a rechargeable lithium battery including the same are disclosed.
Inventors:
Hong Jun
Kim Eiki
Lee Jun Ritsu
Lee Sui
Zhang performance
Choe Ik-hyeon
Akiko
Kim Eiki
Lee Jun Ritsu
Lee Sui
Zhang performance
Choe Ik-hyeon
Akiko
Application Number:
JP2019151920A
Publication Date:
June 18, 2021
Filing Date:
August 22, 2019
Export Citation:
Assignee:
SAMSUNG SDI Co., LTD.
International Classes:
H01M4/525; H01M4/131; H01M4/36
Domestic Patent References:
| JP2013501317A | ||||
| JP2010116302A | ||||
| JP2006298669A | ||||
| JP2006310311A | ||||
| JP2004119218A |
Foreign References:
| CN106099059A |
Attorney, Agent or Firm:
Yasuhiko Murayama
Tatsuhiko Abe
Tatsuhiko Abe