Battery pack and vehicle
First Claim
1. A battery pack comprising nonaqueous electrolyte batteries, each comprising:
- a positive electrode containing a lithium-transition metal oxide having a layered crystal structure;
a negative electrode containing a lithium-titanium composite oxide having a spinel structure; and
a nonaqueous electrolyte, wherein the positive electrodes and the negative electrodes satisfy the formula (1) given below;
1.02≦
X≦
2
(1) where X is a ratio of an available electric capacity of each of the negative electrodes at 25°
C. to an available electric capacity of each of the positive electrodes at 25°
C.
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Accused Products
Abstract
A battery pack includes nonaqueous electrolyte batteries each comprising a positive electrode and a negative electrode. The positive electrode contains a lithium-transition metal oxide having a layered crystal structure. The negative electrode contains a lithium-titanium composite oxide having a spinel structure. And the positive electrodes and the negative electrodes satisfy the formula (1) given below:
1.02≦X≦2 (1) where X is a ratio of an available electric capacity of each of the negative electrodes at 25° C. to an available electric capacity of each of the positive electrodes at 25° C.
83 Citations
20 Claims
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1. A battery pack comprising nonaqueous electrolyte batteries, each comprising:
-
a positive electrode containing a lithium-transition metal oxide having a layered crystal structure;
a negative electrode containing a lithium-titanium composite oxide having a spinel structure; and
a nonaqueous electrolyte, wherein the positive electrodes and the negative electrodes satisfy the formula (1) given below;
1.02≦
X≦
2
(1)where X is a ratio of an available electric capacity of each of the negative electrodes at 25°
C. to an available electric capacity of each of the positive electrodes at 25°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification