	US 11,682,762 B2
	Nanocrystals of polycrystalline layered lithium nickel metal oxides
Suresh Sriramulu, Lexington, MA (US); Jane Rempel, Arlington, MA (US); Adrian W. Pullen, Boston, MA (US); and David Ofer, Lexington, MA (US)
Assigned to CAMX Power LLC, Lexington, MA (US)
Filed by CAMX Power LLC, Lexington, MA (US)
Filed on Sep. 22, 2021, as Appl. No. 17/481,719.
Application 17/481,719 is a continuation of application No. 16/096,403, granted, now 11,158,853, previously published as PCT/US2017/029913, filed on Apr. 27, 2017.
Claims priority of provisional application 62/328,447, filed on Apr. 27, 2016.
Prior Publication US 2022/0006086 A1, Jan. 6, 2022
Int. Cl. H01M 4/00 (2006.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); C01G 53/00 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01)

CPC H01M 4/525 (2013.01) [C01G 53/42 (2013.01); C01G 53/66 (2013.01); H01M 4/366 (2013.01); H01M 4/62 (2013.01); H01M 4/621 (2013.01); H01M 10/052 (2013.01); C01P 2002/60 (2013.01); C01P 2002/76 (2013.01); C01P 2002/77 (2013.01); C01P 2006/40 (2013.01)]

18 Claims

1. An electrochemically active polycrystalline particle comprising:

a plurality of nanocrystals, the plurality of nanocrystals comprising a first composition defined by Li_1+xMO_2+y, wherein

−0.1≤x≤0.3,

−0.3≤y≤0.3, and

wherein M comprises nickel at greater than or equal to 80 atomic percent; and

said plurality of nanocrystals having an average crystallite size of less than or equal to 85 nanometers as measured by X-ray diffraction.