	US 12,469,847 B2
	Doping strategy for layered oxide electrode materials used in sodium-ion batteries
Huolin Xin, Irvine, CA (US)
Assigned to THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed by THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed on Jun. 23, 2023, as Appl. No. 18/340,761.
Application 18/340,761 is a continuation in part of application No. 17/358,370, filed on Jun. 25, 2021, abandoned.
Claims priority of provisional application 63/044,099, filed on Jun. 25, 2020.
Prior Publication US 2023/0352672 A1, Nov. 2, 2023
Int. Cl. H01M 4/505 (2010.01); C01G 53/50 (2025.01); H01M 4/131 (2010.01); H01M 4/525 (2010.01); H01M 10/054 (2010.01)

CPC H01M 4/505 (2013.01) [C01G 53/50 (2013.01); H01M 4/131 (2013.01); H01M 4/525 (2013.01); H01M 10/054 (2013.01); C01P 2002/52 (2013.01); C01P 2002/72 (2013.01); C01P 2002/77 (2013.01); C01P 2002/85 (2013.01); C01P 2002/90 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2006/40 (2013.01)]

7 Claims

1. A composition used in a cathode for a sodium ion battery, the composition represented by a formula Na_aMn_bNi_cCo_dTi_eMg_fMo_gNb_hCu_iO_j,

wherein

a ranges from about 0.6 to 0.7,

b ranges from about 0.6 to 0.7,

c ranges from about 0.1 to 0.2,

d ranges from about 0.10 to 0.15,

e ranges from about 0.005 to 0.02,

f ranges from about 0.005 to 0.02,

g ranges from about 0.005 to 0.02,

h ranges from about 0.005 to 0.02,

i ranges from about 0.005 to 0.02, and

j ranges from about 1.9 to 2.1.