IP Library › Granted Patent US 11,870,069
Granted Patent B2
US 11,870,069 · App. 16/178,304 · Granted Jan 9, 2024

Cathode active materials for lithium-ion batteries

Inventors: Huiming Wu (San Jose, CA); Hongli Dai (Los Altos, CA); Dapeng Wang (Cupertino, CA); Christopher S. Johnson (Naperville, IL); John David Carter (Bolingbrook, IL); Yanjie Cui (Arlington Heights, CA); Arturo Gutierrez (Naperville, IL); Hakim H Iddir (Hoffman Estates, IL); Arthur Jeremy Kropf (Westmont, IL); Yan Li (Westmont, IL); Victor A. Maroni (Naperville, IL); Anh D. Vu (Naperville, IL); Xiaoping Wang (Naperville, IL); Zhenzhen Yang (Westmont, IL)
Assignee: Apple Inc.
H01M4/525H01M4/131H01M4/523H01B1/08H01M4/0471H01M4/366H01M4/485H01M4/502H01M4/505H01M4/582H01M4/5825H01M4/661H01M10/0525H01M2004/021H01M2004/028H01M2220/30
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,870,069
App. No.
16/178,304
Granted
Jan 9, 2024
Kind
B2
Abstract

Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.

Claims (16)

1. A compound of Formula (VII):

Li α Co 1−x−y M y Mn x O δ   (VII)

wherein

M is Al,

0.95≤α≤1.00,

0.001≤x≤0.07,

0<y≤0.05, and

1.98≤δ≤2.04.

2. The compound according to claim 1 , wherein 0.95≤α≤0.98.

3. The compound according to claim 1 , wherein 0.01≤y≤ 0 . 03 .

4. The compound according to claim 1 , wherein 0.02≤y≤ 0 . 03 .

5. The compound according to claim 1 , wherein 0.002≤y≤ 0 . 004 .

6. The compound of claim 1 , wherein 0.002≤y≤ 0 . 005 .

7. The compound of claim 1 , wherein M is in an amount of at least 2000 ppm.

8. The compound of claim 1 , wherein M is in an amount of at least 900 ppm.

9. The compound of claim 1 , wherein M is in an amount of at least 500 ppm.

Continuity (5)
Division 15804186 · Nov 6, 2017
Continuation 15458618 · Mar 14, 2017
Provisional Application 62307964 · Mar 14, 2016
Provisional Application 62307956 · Mar 14, 2016
Related Publication 20190074514A1 · Mar 7, 2019