US 11,757,096 B2
Aluminum-doped lithium cobalt manganese oxide batteries
Hongli Dai, Los Altos, CA (US); Huiming Wu, San Jose, CA (US); Chi-Kai Lin, Sunnyvale, CA (US); Fulya Dogan-Key, Lemont, IL (US); Hakim H. Iddir, Hoffman Estates, IL (US); Anh D. Vu, Lemont, IL (US); John David Carter, Bolingbrook, IL (US); Xiaoping Wang, Naperville, IL (US); Yan Li, Westmont, IL (US); Zhenzhen Yang, Westmont, IL (US); Yanjie Cui, Arlington Heights, IL (US); James A. Gilbert, Bolingbrook, IL (US); Christopher S. Johnson, Naperville, IL (US); and Arthur Jeremy Kropf, Westmont, IL (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Aug. 21, 2020, as Appl. No. 16/999,307.
Claims priority of provisional application 62/889,920, filed on Aug. 21, 2019.
Prior Publication US 2021/0057745 A1, Feb. 25, 2021
Int. Cl. H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 4/04 (2006.01); H01M 4/02 (2006.01)
CPC H01M 4/525 (2013.01) [H01M 4/0402 (2013.01); H01M 4/0471 (2013.01); H01M 4/505 (2013.01); H01M 2004/028 (2013.01)] 28 Claims
OG exemplary drawing
1. A plurality of particles comprising a compound represented by Formula (I):
LiαCo1-x-y-zMnxMezAlyOδ,  Formula (I)
wherein 0.95≤α<1.30, 0<x≤0.05, 300 ppm≤y≤10,000 ppm, 0≤z≤0.1,
wherein Me is at least one element selected from B, Na, Mg, P, Ti, Ca, V, Cr, Fe, Ni, Cu, Zn, Sc, Y, Ga, Zr, Ru, Mo, La, Si, Nb, Ge, In, Sn, Sb, Te, and Ce, and 1.98≤δ≤2.04, and
wherein at an average particle surface, a molar ratio of Al/Co is at least 0.2 and equal to or less than 0.75.