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Title: Cathode active materials having improved particle morphologies

Abstract

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.

Inventors:
; ;
Issue Date:
Research Org.:
Apple Inc., Cupertino, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1840424
Patent Number(s):
11114663
Application Number:
16/802,162
Assignee:
Apple Inc. (Cupertino, CA)
Patent Classifications (CPCs):
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01D - COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
DOE Contract Number:  
85F59; CRADA 1500801
Resource Type:
Patent
Resource Relation:
Patent File Date: 02/26/2020
Country of Publication:
United States
Language:
English

Citation Formats

Dai, Hongli, Wu, Huiming, and Wang, Dapeng. Cathode active materials having improved particle morphologies. United States: N. p., 2021. Web.
Dai, Hongli, Wu, Huiming, & Wang, Dapeng. Cathode active materials having improved particle morphologies. United States.
Dai, Hongli, Wu, Huiming, and Wang, Dapeng. Tue . "Cathode active materials having improved particle morphologies". United States. https://www.osti.gov/servlets/purl/1840424.
@article{osti_1840424,
title = {Cathode active materials having improved particle morphologies},
author = {Dai, Hongli and Wu, Huiming and Wang, Dapeng},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {9}
}

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