Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

2005-11-15

2005-11-15

Barr, Michael (Department: 1746)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C429S223000, C429S224000

Reexamination Certificate

active

06964830

ABSTRACT:
A lithium secondary battery using lithium manganese oxide as a positive active material and having excellent charge and discharge cycle properties.As a positive active material of a lithium secondary battery, lithium manganese oxide having a cubic spinel structure, in which the strength ratio (P2/P1strength ratio) of the primary endothermal peak (P1) appearing around 950° C. and the secondary endothermal peak (P2) appearing around 1100°0 C. in differential thermal analysis is under 1, is used.

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Yamada, Atsuo et al., “Synthesis and Structural Aspects of LiMn2O4±δas a Cathode for Rechargeable Lithium Batteries,”J. Electrochem. Soc., vol. 142, No. 7, Jul. 1995, pp 2149-2156.
Atsuo Yamada et al., “Synthesis and structural aspects of Li2Mn204 as a cathode for rechargeable lithium batteries,” J. Electrochem. Soc., vol. 142, No. 7, Jul. 7, 1995, pp. 2149-2156.

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