Back to results
US 9,722,244 B2Granted
Positive electrode material for lithium-ion battery
AssigneesSaft, Umicore AG & Co. KG
InventorsChristian Jordy, Georges Caillon, Thierry Hezeque, Stephane Levasseur, Nina V. Kosova, Evgeniya T. Devyatkina
Life of this patent
Estimating the term…
Abstract
A compound of formula Li4+xMnM1aM2bOc wherein: M1 is selected from the group consisting in Ni, Mn, Co, Fe and a mixture thereof; M2 is selected from the group consisting in Si, Ti, Mo, B, Al and a mixture thereof; with: −1.2≦x≦3; 0<a≦2.5; 0≦b≦1.5; 4.3≦c≦10; and c=4+a+n·b+x/2 wherein n=2 when M2 is selected from the group consisting in Si, Ti, Mo or a mixture thereof; and n=1.5 when M2 is selected from the group consisting in B, Al or a mixture thereof; and n=0 if b=0.
Claims9
A compound of formula Li4+xMnM1aM2bOc
- wherein:
- M1 is selected from the group consisting in Ni, Mn, Co, Fe and a mixture thereof;
- M2 is selected from the group consisting in Si, Ti, Mo, B, Al and a mixture thereof;
- with:
- −1.2≦x≦3;
- 0<a≦2.5;
- 0<b≦1.5;
- 4.3≦c≦10;
- and
- c=4+a+(n·b)+x/2
- wherein:
- n=2 when M2 is selected from the group consisting in Si, Ti, Mo or a mixture thereof;
- and
- n=1.5 when M2 is selected from the group consisting in B, Al or a mixture thereof.
11 more elements
Dependencies are inferred from the claim text.