US 11,728,467 B2
Method of producing cathode active material, and method of producing lithium ion battery
Issei Sugiyama, Susono (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Oct. 6, 2020, as Appl. No. 17/64,132.
Claims priority of application No. 2019-192291 (JP), filed on Oct. 21, 2019.
Prior Publication US 2021/0119199 A1, Apr. 22, 2021
Int. Cl. H01M 4/131 (2010.01); H01M 4/134 (2010.01); H01M 4/1391 (2010.01); H01M 4/1395 (2010.01); H01M 4/525 (2010.01); H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/505 (2010.01)
CPC H01M 4/131 (2013.01) [H01M 4/0471 (2013.01); H01M 4/134 (2013.01); H01M 4/1391 (2013.01); H01M 4/1395 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0068 (2013.01)] 8 Claims
OG exemplary drawing
 
7. A cathode active material having the composition represented by LibNacMnpNiqCorO2 where 0<b+c≤1, p+q+r=1, and 3≤4p+2q+3r≤3.5, wherein O2 structure and O3 structure coexist in a layered direction in a single particle of the cathode active material.