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US 12,597,602 B2Granted
Lithium and manganese rich positive active material compositions
AssigneeFord Global Technologies, LLC
InventorsEunsung Lee, Chi Paik, Robert J. Kudla, Mary Fredrick, Jason Aaron Lupescu, Yisun Aaron Cheng
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Abstract
A positive electrode active material includes a compound represented by formula 1: Li 1.1 Mn 0.52 Ni 0 . 3 8 - x M x O 2 ( 1 ) wherein: M is Co or Cr; 2<average oxidation state of Ni ion<2.15; and 0<x<0.06.
Claims14
A positive electrode active material comprising a compound represented by formula 1:
- Li
- 1.1
-
- Mn
- 0.52
-
- Ni
- 0
- .
- 3
-
- 8
- -
- x
-
- M
- x
-
- O
- 2
- (
- 1
- )
- wherein:
- M is Co or Cr;
- 2<average oxidation state of Ni ion<2.15;
- and
- 0<x<0.06.
25 more elements
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
- 1.1
-
- Mn
- 0.52
-
- Ni
- 0
- .
- 3
-
- 8
- -
- x
-
- M
- x
-
- O
- 2
- (
- 1
- )
- wherein:
- M is Co or Cr;
- 2<average oxidation state of Ni ion<2.15;
- 0<x<0.06;
- and
- a negative electrode including a negative active material;
- and
- an electrolyte contacting the positive electrode and the negative electrode.
29 more elements
Dependencies are inferred from the claim text.