Non-aqueous electrolyte rechargeable battery

Details Non-aqueous electrolyte rechargeable battery Non-aqueous electrolyte rechargeable battery

2007-08-14

2007-08-14

Alejandro, Raymond (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231900, C429S231300, C429S231600, C429S223000, C429S224000, C429S231100

Reexamination Certificate

active

10730049

ABSTRACT:
A non-aqueous electrolyte rechargeable battery including: (a) a positive electrode capable of charging and discharging lithium; (b) a negative electrode capable of charging and discharging lithium; (c) a separator or a lithium ion conductive layer interposed between the positive electrode and the negative electrode; and (d) a lithium ion conductive non-aqueous electrolyte, wherein the positive electrode contains a mixture of a first positive electrode active material and a second positive electrode active material, the first positive electrode active material includes lithium oxide containing manganese, the lithium oxide further contains aluminum and/or magnesium, and the second positive electrode active material includes LixCo1-y-zMgyAlzO2where 1≦x≦1.03, 0.005≦y≦0.1 and 0.001≦z<0.02.

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