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Cathode active materials having improved particle morphologies

Patent ·
OSTI ID:1840424

Mixed-metal oxides and lithiated mixed-metal oxides are disclosed that involve compounds according to, respectively, NixMnyCozMeαOβ and Li1+γNixMnyCozMeαOβ. In these compounds, Me is selected from B, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Fe, Cu, Zn, Ga, Ge, Zr, Nb, Mo, Ru, Ag, In, and combinations thereof; 0≤x≤1; 0≤y≤1; 0≤z<1; x+y+z>0; 0≤α≤0.5; and x+y+α>0. For the mixed-metal oxides, 1≤β≤5. For the lithiated mixed-metal oxides, −0.1≤γ≤1.0 and 1.9≤β≤3. The mixed-metal oxides and the lithiated mixed-metal oxides include particles having an average density greater than or equal to 90% of an ideal crystalline density.

Research Organization:
Apple Inc., Cupertino, CA (United States)
Sponsoring Organization:
USDOE
Assignee:
Apple Inc. (Cupertino, CA)
Patent Number(s):
11,114,663
Application Number:
16/802,162
OSTI ID:
1840424
Country of Publication:
United States
Language:
English

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