Lithium and manganese rich positive active material compositions
AssigneeFord Global Technologies, LLC
InventorsEunsung Lee, Chi Paik
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Abstract
A positive electrode active material includes a compound represented by formula 1: Li(1.333-0.667x-y)Mn(0.667-0.333x)NixMyO2 or Li(4/3-2/3x-y)Mn(2/3-1/3x)NixMyO2 (1) wherein, M is Co, Cr, or a combination thereof, 0.13<x<0.5; and 0<y<0.333.
Claims19
A positive electrode active material comprising a compound represented by formula 1:
- Li(1.333-0.667x-y)Mn(0.667-0.333x)NixMyO2 or Li(4/3-2/3x-y)Mn(2/3-1/3x)NixMyO2 (1)
- wherein:
- M is Co, Cr, or a combination thereof,
- 0.13<x<0.5;
- and
- 0<y<0.13.
A positive electrode for a lithium-ion battery, the positive electrode comprising a positive electrode active material comprising a compound represented by Chemical Formula 1:
- Li(1.333-0.667 x-y)Mn(0.667-0.333 x)NixMyO2 or Li(4/3-2/3 x-y)Mn(2/3-1/3 x)NixMyO2 (1)
- wherein:
- M is Co, Cr, or a combination thereof,
- 0.13<x<0.5;
- and
- 0<y<0.13.
A rechargeable lithium-ion battery comprising at least one lithium-ion battery cell, each lithium-ion battery cell including:
- a positive electrode comprising a compound represented by formula 1:
- Li(1.333-0.667 x-y)Mn(0.667-0.333 x)NixMyO2 or Li(4/3-2/3 x-y)Mn(2/3-1/3 x)NixMyO2 (1)
- wherein:
- M is Co, Cr, or a combination thereof,
- 0.13<x<0.5;
- and
- 0<y<0.13;
- a negative electrode including a negative active material;
- and
- an electrolyte.
Dependencies are inferred from the claim text.