Lithium-ion battery
First Claim
1. A lithium-ion battery comprising:
- a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1-x-y)O2, LiAlxCoyNi(1-x-y)O2, LiTixCoyNi(1-x-y)O2, and combinations thereof; and
a negative electrode comprising a current collector and an active material comprising a lithium titanate material;
the current collector of the negative electrode comprising a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof;
whereby the battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.
1 Assignment
0 Petitions
Accused Products
Abstract
A lithium-ion battery includes a positive electrode that includes a current collector that includes a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1-x-y)O2, LiAlxCoyNi(1-x-y)O2, LiTixCoyNi(1-x-y)O2, and combinations thereof. The battery also includes a negative electrode that includes a current collector and an active material comprising a lithium titanate material. The current collector of the negative electrode includes a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof. The battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity.
171 Citations
29 Claims
-
1. A lithium-ion battery comprising:
-
a positive electrode comprising a current collector and an active material comprising a material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1-x-y)O2, LiAlxCoyNi(1-x-y)O2, LiTixCoyNi(1-x-y)O2, and combinations thereof; and
a negative electrode comprising a current collector and an active material comprising a lithium titanate material;
the current collector of the negative electrode comprising a material selected from the group consisting of aluminum, titanium, silver, and combinations thereof;
whereby the battery is configured for cycling to near-zero-voltage conditions without a substantial loss of battery capacity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A lithium-ion battery comprising:
-
a positive electrode comprising a current collector and an active material selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1-x-y)O2, LiAlxCoyNi(1-x-y)O2, LiTixCoyNi(1-x-y)O2, and combinations thereof;
a negative electrode comprising a negative current collector and an active material provided on the negative current collector, the negative current collector comprising aluminum and the active material provided on the negative current collector comprising a lithium titanate material. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A lithium-ion battery comprising:
-
a positive electrode comprising an aluminum current collector and an active material provided in contact with the aluminum current collector and selected from the group consisting of LiCoO2, LiMn2O4, LiNixCoyNi(1-x-y)O2, LiAlxCoyNi(1-x-y)O2, LiTixCoyNi(1-x-y)O2, and combinations thereof;
a negative electrode comprising an aluminum current collector and an active material, the active material provided on the current collector of the negative electrode comprising Li4Ti5O12;
wherein the positive electrode and the negative electrode have a zero voltage crossing potential above a decomposition potential of the active material provided on the positive electrode. - View Dependent Claims (25, 26, 27, 28, 29)
-
Specification