US 12,002,955 B2
Cathode active material for lithium secondary battery
Jaeshin Shin, Daegu (KR); Sun Hye Lim, Daegu (KR); Jeongsoo Son, Yeongdong-gun (KR); Jihye Ku, Gyeongju-si (KR); Sung Kyun Chang, Daegu (KR); Sang Hoon Jeon, Daegu (KR); and Ji Sun An, Daegu (KR)
Assigned to L&F CO., LTD., Daegu (KR)
Appl. No. 17/294,447
Filed by L&F CO., LTD., Daegu (KR)
PCT Filed Nov. 29, 2018, PCT No. PCT/KR2018/014898
§ 371(c)(1), (2) Date May 17, 2021,
PCT Pub. No. WO2020/111318, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 10-2018-0150320 (KR), filed on Nov. 29, 2018.
Prior Publication US 2022/0013774 A1, Jan. 13, 2022
Int. Cl. H01M 4/525 (2010.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01)
CPC H01M 4/525 (2013.01) [H01M 4/0471 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01)] 13 Claims
 
1. A cathode active material for a lithium secondary battery comprising:
a core containing lithium composite metal oxide; and
a coating layer disposed on the core, containing a mixture of lithium oxide, tungsten oxide, boron oxide and phosphorus oxide, and having an amorphous phase.