	US 12,244,013 B2
	Composite cathode active material, method of preparing the same, cathode including the same, and secondary battery including the composite cathode active material
Sangbok Ma, Suwon-si (KR); Joonhee Kim, Seoul (KR); Jonghoon Ka, Suwon-si (KR); and Sungjin Lim, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jan. 7, 2022, as Appl. No. 17/570,791.
Claims priority of application No. 10-2021-0094476 (KR), filed on Jul. 19, 2021.
Prior Publication US 2023/0025348 A1, Jan. 26, 2023
Int. Cl. H01M 4/58 (2010.01); C01B 25/45 (2006.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01)

CPC H01M 4/5825 (2013.01) [C01B 25/45 (2013.01); H01M 4/0471 (2013.01); H01M 4/366 (2013.01); H01M 4/625 (2013.01); C01P 2002/50 (2013.01); C01P 2002/72 (2013.01); C01P 2002/77 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01)]

14 Claims

1. A composite cathode active material represented by at least one of LiCo_0.9Ti_0.1PO₄, LiCo_0.8Ti_0.2PO₄, LiCo_0.7Ti_0.3PO₄, LiCo_0.9V_0.1PO₄, LiCo_0.8V_0.2PO₄, LiCo_0.7V_0.3PO₄, LiCo_0.9Zn_0.1PO₄, LiCo_0.8Zn_0.2PO₄, LiCo_0.7Zn_0.3PO₄, LiCo_0.9Cu_0.1PO₄, LiCo_0.8Cu_0.2PO₄, LiCo_0.7Cu_0.3PO₄, LiCo_0.9Sc_0.1PO₄, LiCo_0.8Sc_0.2PO₄, LiCo_0.7Sc_0.3PO₄, LiCo_0.9Zn_0.05Ni_0.05PO₄, LiCo_0.8Zn_0.1Ni_0.1PO₄, LiCo_0.7Zn_0.15Ni_0.15PO₄,

LiCo_0.9Zn_0.05V_0.05PO₄, LiCo_0.8Zn_0.1V_0.1PO₄, LiCo_0.9Zn_0.15V_0.15PO₄, LiCo_0.9Ni_0.05V_0.05PO₄, LiCo_0.8Ni_0.1V_0.1PO₄, LiCo_0.7Ni_0.15V_0.15PO₄, LiCo_0.9Ti_0.05Zn_0.05PO₄, LiCo_0.8Ti_0.1Zn_0.1PO₄, LiCo_0.7Ti_0.15Zn_0.15PO₄,

LiCo_0.9Ti_0.05V_0.05PO₄, LiCo_0.8Ti_0.1V_0.1PO₄, or LiCo_0.7Ti_0.15V_0.15PO₄.